DP-2 A-397 STERE AMPLIFIER A-397 SERVICE MANUAL This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already known and understood by the users, and have therefore not been restated. WARNING: IMPRTANT NTICE Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruction of expensive components, and failure of the product to perform as specified. For these reasons, we advise all YAMAHA product owners that any service required should be performed by an authorized YAMAHA Retailer or the appointed service representative. IMPRTANT: The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or recognition of any applicable technical capabilities, or establish a principle-agent relationship of any form. The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and service departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributor's Service Division. WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss). IMPRTANT: Turn the unit FF during disassembly and part replacement. Recheck all work before you apply power to the unit. CNTENTS T SERVICE PERSNNEL.................. 2 3 IMPEDANCE SELECTR...................... 3 REMTE CNTRL PANEL................... 3 FRNT PANEL.............................. 3 REAR PANELS............................ 6 SPECIFICATINS / 7 8 INTERNAL VIEW............................. 8 DISASSEMBLY PRCEDURES / 9 ADJUSTMENT / IC DATA / 2 BLCK DIAGRAM........................... 3 PIN CNTIN DIAGRAM / PRINTED CIRCUIT BARD................ 2 SCHEMATIC DIAGRAM................... 2 22 PARTS LIST............................. 23 33 REMTE CNTRL RA.................. 3 976 2 YAMAHA CRPRATIN. All rights reseved. This manual is copyrighted by YAMAHA and may not be copied or redistributed either in print or electronically without permission..9
A-397 T SERVICE PERSNNEL. Critical Components Information Components having special characteristics are marked Z and must be replaced with parts having specifications equal to those originally installed. WALL UTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER R EQUIVALENT 2. Leakage Current Measurement (For 2V Models nly) When service has been completed, it is imperative to verify that all exposed conductive surfaces are properly insulated from supply circuits. INSULATING TABLE Meter impedance should be equivalent to ohms shunted by.µf. A V Leakage current must not exceed.ma. Be sure to test for leakage with the AC plug in both polarities. CAUTIN F, F2 : FR CNTINUED PRTECTIN AGAINST RISK F FIRE, REPLACE NLY WITH SAME TYPE 6A, 2V FUSE. CAUTIN F, F2 : REPLACE WITH SAME TYPE 6A, 2V FUSE. ATTENTIN F, F2 : UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 6A, 2V. WARNING: CHEMICAL CNTENT NTICE! The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm. D NT PLACE SLDER, ELECTRICAL/ELECTRNIC R PLASTIC CMPNENTS IN YUR MUTH FR ANY REASN WHATSEVER! A-397 Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. About Lead Free Solder / The P.C.B.s installed in this unit are soldered using the following solder. Side A SMT REFLW Process Side B Solder Dip MI FLW Process Among some types of lead free solder currently available, it is recommended to use one of the following types for the repair work. Sn + Ag + Cu (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth) 2
DP-2 A-397 A-397 Caution:. As the melting point temperature of the lead free solder is about 3 C to C ( F to 7 F) higher than that of the lead solder, be sure to use a soldering iron suitable to each solder. 2. If lead solder must be used, be sure to remove lead free solder from each terminal section of the parts to be replaced and from the area around it completely before soldering, or make sure that the lead free solder and lead solder melt together fully. IMPEDANCE SELECTR REMTE CNTRL PANEL IMPEDANCE SELECTR WARNING: Do not change the setting of the IMPEDANCE SELECTR switch when the unit power is switched on, as doing so may damage the unit. FRNT PANEL 3
A-397 A-397 REAR PANELS C models R model T model
DP-2 A-397 A-397 A model B model G, E models
A-397 A-397 L model J model 6
DP-2 A-397 A-397 SPECIFICATINS AUDI SECTIN / Minimum RMS utput Power (Power Amp. Section) / L/R, 2 Hz to 2 khz C, R, T, A, B, G, E, L, J models (.9% THD, 8 ohms)...... 6 W + 6 W C, R, T, A, B, G, E, J models (.38% THD, 6 ohms)........ 7 W + 7 W Dynamic Power Per Channel (IHF) / 8/6//2 ohms....................... /2// W Maximum Power Per Channel (B, G, E models) khz,.7 % THD, ohms......................... 9 W IEC Power (B, G, E models) khz,.9% THD, 8 ohms....................... 7 W Power Band Width / L/R,.% THD, 3 W, 8 ohms............ Hz to khz Damping Factor / 2 Hz to 2 khz, SPEAKER-A, 8 ohms......... 2 or more Maximum Power (EIAJ) / khz, % THD R, T, L, J models (8 ohms)........................ W R, T, J models (6 ohms).......................... W Input Sensitivity/Input Impedance / PHN MM......................... 2. mv/7 k-ohms CD, etc............................. 6 mv/7 k-ohms Maximum Input Signal / PHN MM, khz,.3 % THD................. mv CD, etc., khz,. % THD........................ 2.2 V utput Level/utput Impedance / REC UT.......................... 6 mv/.6 k-ohms Headphone Jack Rated utput/utput Impedance / CD, etc. khz, mv, 8 ohms,.9% THD........ 2 mv/68 ohms Frequency Response / CD, etc. 2 Hz to 2 khz...................... ±. db CD/DVD DIRECT AMP N, Hz to khz..... ±. db RIAA Equalization Deviation / PHN MM................................ ±.3 db Total Harmonic Distortion (2 Hz to 2 khz) / PHN MM to REC UT (3 V).................3 % or less CD, etc. to SP UT (2. W/8 ohms)........9 % or less Signal to Noise Ratio (IHF-A Network) / PHN MM (Input shorted, mv).......... 88 db or more CD (CD DIRECT AMP N, Input shorted, 6mV)...... db or more Residual Noise (IHF-A Network) / CD DIRECT AMP N..................... 3 µv or less CD DIRECT AMP FF................... µv or less Channel Separation / CD, etc. (Input. k-ohms shorted) khz.............................. 6 db or more khz.............................. db or more Tone Control Characteristics / BASS Boost/Cut (2 Hz)............. + db/- db Turnover Frequency................. 3 Hz TREBLE Boost/Cut (2 khz)............ + db/- db Turnover Frequency................. 3. khz Continuous Loudness Control / Attenuation ( khz)............................ -3 db Gain Tracking Error / to -6 db............................... 2 db or less GENERAL / Power Supply / C model............................. AC 2 V, 6 Hz R model............. AC /2/22/23-2 V, /6 Hz T model............................. AC 22 V, Hz A model............................. AC 2 V, Hz B, G, E models........................ AC 23 V, Hz L model.................... AC 22/23-2 V, /6 Hz J model........................... AC V, /6 Hz Power Consumption /................... 7 W Standby Power Consumption / C, T, A, B, G, E, J models......................... W R model (AC /2 V).......................... W R, L models (AC 22/23-2 V)................... 2.7 W Maximum Power Consumption R model ( khz, 6 ohms, % THD)............... W AC utlet / 3 Switched utlet R, J models.......................... W Max. total C, T, G, E, L models.................. W Max. total Switched utlet A, B models............................ W Max. Dimensions (W x H x D) /......................... 3 x x 39 mm (7-/8" x -/6" x -3/8") Weight /......................... 8.3 kg (8 lbs oz) Finish /........ Black color (C, R, A, B, G, E, L models) Titanium color (R, B, G, E, L models) Gold color (J, T, L models) Accessories /................. Remote Control x Battery (Manganese Dry) x 2 * Specifications subject to change without notice. C... Canadian model R... General model T... Chinese model A... Australian model B... British model G... European model E... South European model L... Singapore model J... Japanese model 7
A-397 DIMENSINS 2. (7/8") 3 (-/8") 8. 3 (3-3/") (3/") (-/6") 39 (-3/8") Unit : mm (inch) 3 (7-/8") 2 (3/6") INTERNAL VIEW A-397 q w e r t y u i o!!!2 o!3!!!2!6 q MAIN (2) P.C.B. w MAIN () P.C.B. (R, L models) e MAIN () P.C.B. r MAIN () P.C.B. t MAIN (6) P.C.B. y MAIN (3) P.C.B. u FUNCTIN () P.C.B. i FUNCTIN () P.C.B. o FUNCTIN (2) P.C.B.! FUNCTIN (7) P.C.B.! FUNCTIN (6) P.C.B.!2 FUNCTIN () P.C.B.!3 FUNCTIN () P.C.B.! FUNCTIN (8) P.C.B.! FUNCTIN () P.C.B.!6 FUNCTIN (2) P.C.B.!7 FUNCTIN (9) P.C.B.!8 FUNCTIN (3) P.C.B. 8!7!!!8
DP-2 A-397 A-397 DISASSEMBLY PRCEDURES Remove parts in disassembly order as numbered. Disconnect the power cable from the AC outlet.. Removal of Top Cover a. Remove screws ( q ), screw ( w ) and screws ( e ). (Fig. ) b. Slide the Top Cover rearward to remove it. (Fig. ) 2. Removal of Front Panel Unit a. Remove the INPUT knob. b. Remove screw ( r ) and then remove the Support Top. (Fig. ) c. Remove 7 screws ( t ) and then remove the Front Panel Unit. (Fig. ) 3. Removal of Plate Side Remove 2 push rivets ( y ) and then remove the Plate Side L/R. (Fig. ). Removal of Sub Chassis Unit a. Remove push rivet ( u ). (Fig. ) b. Remove 2 screws ( i ) and then slide the Sub Chassis Unit forward. (Fig. ) c. Loosen the harness fixture fixing the cable. d. Remove connectors CB22, CB226, CB32, CB36, CB32, CB8 and CB68 and then remove the Sub Chassis Unit. (Fig. ) q w e r t y u i Top Cover q e Sub Chassis Unit w e CB68 t CB8 CB32 u CB32 Knob t i r CB36 Support Top CB22 Plate Side L i y q CB226 Front Panel Unit Plate Side R y Fig. 9
A-397. Removal of Amp Unit a. Remove screw ( o ) attaching the Impedance Selector. (Fig. 2) b. Remove 2 screws (!) attaching the Speaker Termnal. (Fig. 2) c. Remove 2 screws (!) and then remove the MAIN () P.C.B. (Fig. 2) (R, L models only) d. Remove 2 screws (!2) and 2 screws (!3). (Fig. 2) e. Remove connectors CB3 and CB. (Fig. 2) f. Remove the Amp Unit. (Fig. 2) o!!!2!3 Amp Unit!3 CB3 Impedance Selector!3!2 Speaker Terminal CB MAIN () P.C.B. A-397! o! Fig. 2
DP-2 A-397 A-397 ADJUSTMENT CNFIRMATIN F IDLING CURRENT. Right after the power is turned on, confirm that the voltage across the terminals of R6 (L ch) and R6 (R ch) are between.mv to.mv. 2. If the measured voltage exceeds.mv, open (cut off) R (L ch), R2 (R ch) and reconfirm the voltage. 3. Confirm that the voltage is between.2mv and 3.mV after 6 minutes. R6 (L ch) R6 (R ch) Cut.mV mv R (L ch) R2 (R ch) R6 R6 R R2
A-397 IC DATA IC3 : M383GA-FP (FUNCTIN () P.C.B.) 8-bit Microprocessor VCC VREF AVSS P/INT3/PWM P3/INT2/SCMP2 P2/INT P/INT P/CNTR P27/CNTR/SRDY P26/SCLK P2/TD P2/RD P23 P22 CNVSS P2/CIN P2/CUT RESET IN UT VSS 2 3 6 7 8 9 2 3 6 7 8 9 2 2 2 39 38 37 36 3 3 33 32 3 3 29 28 27 26 2 2 23 22 P3/AN P3/AN P32/AN2 P33/AN3 P3/AN P/SIN2 P/SUT2 P2/SCLK2 P3/SRDY2 P/(AN) P/(AN6) P6/(AN7) P7/(AN8) P/(LED) P/(LED) P2/(LED2) P3/(LED3) P/(LED) P/(LED) P6/(LED6) P7/(LED7) A-397 No. Port Name I/ Function 2 3 6 7 8 9 2 3 6 7 8 9 2 2 22 23 2 2 26 27 28 29 3 3 32 33 3 3 36 37 38 39 2 VCC VREF AVSS P/INT3/PWM P3/INT2/SCMP2 P2/INT P/INT P/CNTR P27/CNTR//SRDY P26/SCLK P2/TD P2/RD P23 P22 CNVSS P2/CIN P2/CUT /RESET IN UT VSS P7/(LED7) P6/(LED6) P/(LED) P/(LED) P3/(LED3) P2/(LED2) P/(LED) P/(LED) P7(AN8) P6(AN7) P(AN6) P(AN) P3//SRDY2 P2/SCLK2 P/SUT2 P/SIN2 P3/AN P33/AN3 P32/AN2 P3/AN P3/AN PD TPM/PD PS REM PRINH CEI CK DATA TM/DEST VRUP VRDN CNVSS D3 CDM LEDA LEDTP LEDM LEDC LEDT LEDP LSBY LEDCDD LEDTM/PD ENL ENR MUTE CDD PRI RYSP RYPS PRDC PRPS THMR THML REC MCU MCU MCU I I I I I /I MCU I MCU MCU MCU MCU I I I I I I I I I Power Supply, +V AD Reference AD Ground Power Down Detect Tape Monitor /Pure Direct SW SYSTEM Power SW Remote Control (Wake up) Release the Protection Chip Enable (INPUT SEL) Clock Data Tape Monitor (397)/Destination Distinction (97) Motor Volume (UP) Motor Volume (DWN) Vss: when single chip mode is used, Vcc: when flash writing is used A-97/397 Detect CD Direct Mute Reset scillator In scillator ut Ground LED (AU) LED (TAPE) LED (MD) LED (CD) LED (TUNER) LED (PHN) LED (PWER) LED (CD DIRECT) LED (TAPE MNITR/PURE DIRECT) Rotary Encoder (Left) Rotary Encoder (Right) Mute CD Direct SW Protection (verload) Speaker Relay Power Relay Protection (DC) Protection (Power Supply) Protection (Temperature Detection) Protection (Temperature Detection) Rec ut Selector Detect 2
DP-2 A-397 A-397 BLCK DIAGRAM CD/DVD PHN TUNER AU TAPE IN TAPE UT MD IN MD UT CD/DVD DIRECT AMP CD/DVD DIRECT AMP db IC2 Q,2 N SW3 VR2 IC32 db FF db PHN EQ AMP IC INPUT SELECTR IC2 CD-D MUTE M MTR DRIVER Main VR IC2 CDD TAPE MNITR IC3 TAPE MNITR SW32 IC6 INH IC2 TAPE CD-D MUTE MAIN MUTE STANDBY /N Remote Control IC3,32 LUDNESS BALANCE TNE CNTRL VR3 3 Q3 Q B B LB RYPS (Power N/FF) + + + + + N Q,2 PWER AMP Q 3 RY2 FF 3.8dB RY3 RY MAIN MUTE A RYSP B SW8 Q26 D 8 SW D2 D9 2S + T D3 6 Q RYPS SP A SP B PHNES LB Q27 Q2 RY SW68 PWER SERIAL DATA (Input Select) Main VR Protection L3 MHz Q33 Q3 TAPE CDD 9 2 Microprocessor 3, 3,38 3 7 33 36 IC3 6 7 3,32 2 37 SW62 U63 Input Select Tape Monitor SW622 RYSP 3
A-397 PIN CNTIN DIAGRAM ICs LM6CIZ NJM268MD-TE2 NJU732AM M383GA-FP LB6 TC3BP 6 22 3: GND 2: Vout : +Vs 8 3 2 2 6 8 Transistors 2SA933AS (R, S) 2SD9F (S, T) 2SC7S (Q, R, S) B C E 2SA97 (GR, BL) 2SA (Y) 2SA (, Y) 2SC8 (Y) 2SC27 (, Y) 2SC2NC-AT 2SA2NC-AT E C B 2SA38 (, Y) 2SC32 (, Y) E CB 2SA37K (Q, R, S) DTCEKA DTCEKA 2SC88 (S, T) 2SB27 (Q, R, S) 2SD93 (R, S) 2SA9 (, P, Y) 2SC68 (, P, Y) 2SC66 (, P, Y) C B E E B C B CE B C E Diodes A-397 SS33 SS39 SS SS76 SS27A HZS2B2TD HZS62TD Anode SS3 MA839-L MA87-L MA8-M MA862-M MA868-L MA89-H Anode SVB2 Cathode Cathode
A B C D E F G H A-397 PRINTED CIRCUIT BARD (Foil side) FUNCTIN () P.C.B. (Side A) FUNCTIN () P.C.B. (Side B) Lead Free Solder Used FUNCTIN (3) P.C.B. FUNCTIN (8) CB6 FUNCTIN () W 2 CH (Side B) Lead Free Solder Used MAIN (3) CB2 2 2 CH2 2 22 2 3 FUNCTIN (3) P.C.B. (Side A) FUNCTIN () CB6 FUNCTIN (2) P.C.B. MAIN () CB22 MAIN (6) CB226 8 (Side A) FUNCTIN (6) CB3 CD/DVD DIRECT AMP TAPE MNITR VLUME Point q (Pin 2 of IC3) Point w CH : Emitter of Q39 CH 2 : Collector of Q3 AC PWER N (Connect the power cable) AC PWER FF (Disconnect the power cable) AC PWER N (Connect the power cable) 6
A B C D E F G H A-397 PRINTED CIRCUIT BARD (Foil side) FUNCTIN () P.C.B. (Side A) FUNCTIN () P.C.B. (Side B) Lead Free Solder Used CD/DVD 2 3 TUNER IN UT TAPE FUNCTIN () CB32 8 IN UT MD 6 9 8 8 PHN FUNCTIN () P.C.B. (Side A) FUNCTIN () P.C.B. (Side B) Lead Free Solder Used 3 6 AU 6 6
A B C D E F G H A-397 PRINTED CIRCUIT BARD (Foil side) FUNCTIN (6) P.C.B. (Side A) MAIN () W2 FUNCTIN (6) P.C.B. (Side B) Lead Free Solder Used FUNCTIN () CB3 8 8 2 BASS TREBLE BALANCE LUDNESS 3 FUNCTIN (8) P.C.B. (Side A) FUNCTIN (7) P.C.B. FUNCTIN () CB3 (Side A) MAIN () CB FUNCTIN () CB63 PHN TUNER CD/DVD TAPE MD AU FUNCTIN (8) P.C.B. B A SPEAKERS PHNES (Side B) Lead Free Solder Used 6 7
A B C D E F G H A-397 PRINTED CIRCUIT BARD (Foil side) FUNCTIN (9) P.C.B. (Side A) FUNCTIN () P.C.B. (Side A) FUNCTIN () P.C.B. (Side A) TAPE MNITR CD/DVD DIRECT AMP STANDBY /N FUNCTIN (8) CB63 STANDBY FUNCTIN () CB33 2 INPUT FUNCTIN (9) P.C.B. (Side B) Lead Free Solder Used FUNCTIN () P.C.B. (Side B) Lead Free Solder Used FUNCTIN (2) P.C.B. (Side A) 3 PWER MAIN (2) W 6 8
A B C D E F G H A-397 PRINTED CIRCUIT BARD (Foil side) Lead Free Solder Used MAIN (3) P.C.B. (Side A) 2 MAIN () P.C.B. (Side A) FUNCTIN () CB36 Q2A Q2C SPEAKERS A B 3 R FUNCTIN (6) CB32 L Q23A Q23C MAIN (2) CB IMPEDANCE SELECTR FUNCTIN (7) CB8 MAIN () Circuit No. C8 R98, 99 : NT USED : USED/APPLICABLE R, T, A, B, G, E, L C, J PWER TRANSFRMER 6 9
A B C D E F G H A-397 PRINTED CIRCUIT BARD (Foil side) Lead Free Solder Used FUNCTIN (2) CB68 MAIN (2) P.C.B. (Side A) PWER CABLE MAIN () P.C.B. (Side A) R, L models MAIN (2) CB MAIN () Circuit No. R F2 CB23, 2 J2 23 J2 : NT USED : USED/APPLICABLE L 2 AC UTLETS PWER TRANSFRMER 3 MAIN () CB2 PWER TRANSFRMER (C, T, A, B, G, E, J) or MAIN () W2 (R, L) VLTAGE SELECTR SW2 2V 2/ 6 22V 2 3/6 7 V 3 /7 8 2V /8 MAIN (2) Circuit No. J F R2, 3 C, 2 Q2, 3 D2 CB2, 3 J J2 : NT USED : USED/APPLICABLE C R T A B G, E L MAIN () P.C.B. (Side A) MAIN (6) P.C.B. (Side A) FUNCTIN () W3 FUNCTIN () W3 6 2
A B C D E F G H I J K A-397 SCHEMATIC DIAGRAM (FUNCTIN) IC32,, 2, 3, 32: NJM268MD-TE Dual P-Amp UT IN 2 +IN 3 + +VCC 7 UT2 6 IN2 VCC +IN2 + Page 22 B-6 T MAIN () W2.... 8...8.8 2..... CD/DVD DIRECT AMP N..7 -.7 3....2.2 -. -. CD/DVD DIRECT AMP FF 3.. -.2...3. -3.2.. -6.9 Page 22 A- T MAIN (3) CB2 Page 22 B-3 T MAIN () CB.7.7. 6.3 Page 22 A- T MAIN () CB22.7.7 CD/DVD DIRECT AMP N.2....7..............2... 2 CH2...7.7 2. 6.3 6.3 Page 22 A-2 T MAIN (6) CB226....9.7.7... 2.2 2. 2 CH CD/DVD DIRECT AMP FF. 2. 2.. 7.3 6.9 6.9 9.6 6 9.6 2.. 2.. 9.6-9. 9.6 2..2 9.6 2.. 7.6 -.7-9..6.8.....2.8.6.2 Page 22 I- T MAIN (2) W 2.. 2...... IC2: NJU732AM Analog Function Switch IC3: TC3BP Triple 2 Channel Analog Multiplexers/Demultiplexers L 2 29 R VDD 6 8 L2 3 L3 L-CM L 6 L 7 L6 8 L-CM2 9 L7 L8 L-CM3 2 ST VDD 3 VEE NC 3 LEVEL SHIFTER LATCH CNTRL LATCH LEVEL SHIFTER 28 R2 27 R3 26 R-CM 2 R 2 R 23 R6 22 R-CM2 2 R7 2 R8 9 R-CM3 7 DATA 6 CK VSS 8 NC A B C 9 INH 6 8 VSS LGIC LEVEL CNVERTER 7 VEE UT C IN UT C IN UT C IN UT C IN UT C IN UT C IN -CMMN 2 3 I 2 Y IY Z 3 IZ Z-CMMN Y-CMMN INHIBIT (Pin 6) L L L L L L L L H CNTRL INPUTS C B (Pin 9) (Pin ) L L L L L H L H H L H L H H H H * * * Don t Care A (Pin ) L H L H L H L H * N CHANNEL (Pin 2), Y (Pin 2), Z (Pin ) (Pin 3), Y (Pin ), Z (Pin 3), Y, Z, Y, Z, Y, Z, Y, Z, Y, Z, Y, Z, Y, Z, Y, Z NTE IN GND IC2: LB6 Motor Driver P 3 UT 2 VCC 2 8 UT 2 INPUT LGIC P2 VCC 9 7 PRE DRIVER VZ 6 IN 2 Point q (Pin 2 of IC3) Point w CH : Emitter of Q39 CH 2 : Collector of Q3 AC PWER N (Connect the power cable) AC PWER FF (Disconnect the power cable) AC PWER N (Connect the power cable) * All voltages are measured with a MΩ/V DC electronic volt meter. * Components having special characteristics are marked Z and must be replaced with parts having specifications equal to those originally installed. * Schematic diagram is subject to change without notice. Z 2
A B C D E F G H I J K L A-397 SCHEMATIC DIAGRAM (MAIN) Page 2 J- Page 2 G-6 T FUNCTIN (2) CB68. 6.3 T FUNCTIN () W3 2. 2. 8.6 2. 8.6 2. 6.3.7.. 3. 3. 22.9 22.9 AC3.7.7 AC7.3 3 Page 2 J- T FUNCTIN () CB36.7 32. 3. 26.9 26.7.7...7.7...6.7. (2.) AC6.7 6.2 6.2 -. (-2.) -3.8 -.9 -.9 -.3-2.8 Page 2 J- T FUNCTIN () CB36. 9.9. 9. 9...2.2.....2...2 -. -. 6 -..7.7.. -9.2-9. -9.2-9. -9.2-9. -9.2-8. -8. -. -. -. -. -. -. SPEAKERS. -9. -9. -9. -9.7-9.7. Page 2 I- T FUNCTIN (6) CB32-9.7-9.7-9. 7 -. -9.2-9.2-9. -9. -9. -8. -9. -8. -9. -. -. -. -. -. -.. -9.2-9....7.7 -...2. 8 +Vs IC22, 226 : LM6CIZ Temperature Sensor 9. 9..2 9.9.2..6.6..2 * All voltages are measured with a MΩ/V DC electronic volt meter. * Components having special characteristics are marked Z and must be replaced with parts having specifications equal to those originally installed. * Schematic diagram is subject to change without notice. Vout 9.9. Z GND 22
DP-2 A-397 A-397 PARTS LIST ELECTRICAL PARTS WARNING Components having special characteristics are marked Z and must be replaced with parts having specifications equal to those originally installed. Z ABBREVIATINS IN THIS LIST ARE AS FLLWS : C.A.EL.CHP C.CE C.CE.ARRAY C.CE.CHP C.CE.ML C.CE.M.CHP C.CE.SAFTY C.CE.TUBLR C.CE.SMI C.EL C.MICA C.ML.FLM C.MP C.MYLAR C.MYLAR.ML C.PAPER C.PLS C.PL C.PLY C.PP C.TNTL C.TNTL.CHP C.TRIM CN CN.BS.PIN CN.CANNN CN.DIN CN.FLAT CN.PST CIL.M.AM CIL.AT.FM CIL.DT.FM CIL.M.FM CIL.UTPT DID.ARRAY DIDE.BRG DIDE.CHP DIDE.SHT DIDE.VAR DID.Z.CHP DIDE.ZENR DSCR.CE FER.BEAD FER.CRE FET.CHP FL.DSPLY FLTR.CE FLTR.CMB FLTR.LC.RF GND.MTL GND.TERM HLDER.FUS IC.PRTCT JUMPER.CN JUMPER.TST L.DTCT : CHIP ALUMI. ELECTRLYTIC CAP : CERAMIC CAP : CERAMIC CAP ARRAY : CHIP CERAMIC CAP : MULTILAYER CERAMIC CAP : CHIP MULTILAYER CERAMIC CAP : RECGNIZED CERAMIC CAP : CERAMIC TUBULAR CAP : SEMI CNDUCTIVE CERAMIC CAP : ELECTRLYTIC CAP : MICA CAP : MULTILAYER FILM CAP : METALLIZED PAPER CAP : MYLAR FILM CAP : MULTILAYER MYLAR FILM CAP : PAPER CAPACITR : PLYSTYRENE FILM CAP : PLYESTER FILM CAP : PLYETHYLENE FILM CAP : PLYPRPYLENE FILM CAP : TANTALUM CAP : CHIP TANTALUM CAP : TRIMMER CAP : CNTR : CNTR, BASE PIN : CNTR, CANNN : CNTR, DIN : CNTR, FLAT CABLE : CNTR, BASE PST : CIL, AM MI : CIL, FM ANTENNA : CIL, FM DETECT : CIL, FM MI : UTPUT CIL : DIDE ARRAY : DIDE BRIDGE : CHIP DIDE : SCHTTKY BARRIER DIDE : VARACTR DIDE : CHIP ZENER DIDE : ZENER DIDE : CERAMIC DISCRIMINATR : FERRITE BEADS : FERRITE CRE : CHIP FET : FLURESCENT DISPLAY : CERAMIC FILTER : CMB FILTER MDULE : LC FILTER,EMI : GRUND PLATE : GRUND TERMINAL : FUSE HLDER : IC PRTECTR : JUMPER CNTR : JUMPER, TEST PINT : LIGHT DETECTING MDULE L.EMIT : LIGHT EMITTING MDULE LED.DSPLY : LED DISPLAY LED.INFRD : LED, INFRARED MDUL.RF : MDULATR, RF PHT.CPL : PHT CUPLER PHT.INTR : PHT INTERRUPTER PHT.RFLCT : PHT REFLECTR PIN.TEST : PIN, TEST PINT PLST.RIVET : PLASTIC RIVET R.ARRAY : RESISTR ARRAY R.CAR : CARBN RESISTR R.CAR.CHP : CHIP RESISTR R.CAR.FP : FLAME PRF CARBN RESISTR R.CEMENT : CEMENT RESISTR R.FUS : FUSABLE RESISTR R.MTL.CHP : CHIP METAL FILM RESISTR R.MTL.FLM : METAL FILM RESISTR R.MTL.D : METAL IDE FILM RESISTR R.MTL.PLAT : METAL PLATE RESISTR RSNR.CE : CERAMIC RESNATR RSNR.CRYS : CRYSTAL RESNATR R.TW.CEM : TWIN CEMENT FIED RESISTR SCR.BND.HD : BIND HEAD B-TITE SCREW SCR.BW.HD : BW HEAD TAPPING SCREW SCR.CUP : CUP TITE SCREW SCR.TERM : SCREW TERMINAL SCR.TR : SCREW, TRANSISTR SUPRT.PCB : SUPPRT, P.C.B. SURG.PRTCT : SURGE PRTECTR SW.TACT : TACT SWITCH SW.LEAF : LEAF SWITCH SW.LEVER : LEVER SWITCH SW.MICR : MICR SWITCH SW.PUSH : PUSH SWITCH SW.RT.ENC : RTARY ENCDER SW.RT.MTR : RTARY SWITCH WITH MTR SW.RT : RTARY SWITCH SW.SLIDE : SLIDE SWITCH TERM.SP : SPEAKER TERMINAL TERM.WRAP : WRAPPING TERMINAL THRMST.CHP : CHIP THERMISTR TR.CHP : CHIP TRANSISTR TR.DGT : DIGITAL TRANSISTR TR.DGT.CHP : CHIP DIGITAL TRANSISTR TRANS : TRANSFRMER TRANS.PULS : PULSE TRANSFRMER TRANS.PWR : PWER TRANSFRMER ASS y TUNER.AM : TUNER PACK, AM TUNER.FM : TUNER PACK, FM TUNER.PK : FRNT-END TUNER PACK VR : RTARY PTENTIMETER VR.MTR : PTENTIMETER WITH MTR VR.SW : PTENTIMETER WITH RTARY SW VR.SLIDE : SLIDE PTENTIMETER VR.TRIM : TRIMMER PTENTIMETER 23
A-397 P.C.B. FUNCTIN A-397 2 Note) Those parts marked with # are not included in the P.C.B. ass'y.
DP-2 A-397 A-397 P.C.B. FUNCTIN Note) Those parts marked with # are not included in the P.C.B. ass'y. 2
A-397 P.C.B. FUNCTIN & MAIN A-397 Z Z Z Z 26 Note) Those parts marked with # are not included in the P.C.B. ass'y.
DP-2 A-397 A-397 P.C.B. MAIN Z Z Z Z Z Z Z Z Z Z Z Note) Those parts marked with # are not included in the P.C.B. ass'y. 27
A-397 P.C.B. MAIN A-397 Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z 28 Note) Those parts marked with # are not included in the P.C.B. ass'y.
DP-2 A-397 A-397 P.C.B. MAIN & CHIP RESISTRS Z Z Z Z Z Z NTE The chip resistor is not supplied as a replacement part. When a chip resistor is necessary, use the following part. AA672: CHIP RESISTR SAMPLE BK Note) Those parts marked with # are not included in the P.C.B. ass'y. 29
A B C D E A-397 EPLDED VIEW 7 2 3 2 - -2 - -3 8-6 8 2 8 68 7 2- -2-3 3-2-2 - - - 7 3-- 3-2- 3-2- 3--6 6-2 3--3 3-2- 3-3-2-3-2 3-8 ()or(6) 2-2 6 7 8 2 3-3-- 3--2 3-2-3 2-3-- 6 3-6 (2) 3-3--3 3-6 3-6 () 6 (7) 3-- 3-6 (9) () 3-3 3-- 3-2 3-8 6 (8) 3-2 3-8 6 (6) 6 () 6 (3) 8 7 72 32 6 (2) 6 () 7 8 68 2-2--6 2-- 2---A 2-- 2---C 2-2- (2) () (3) 2-6 () 6 () 6 33 6 2--7 3 ()or(6) 32 2--7 2---C 2-2 2-- 2-6 2---A 2-- 2--6 6 8 8 2 8 8 8 2-2 33 8 8 32 7 3
DP-2 A-397 A-397 MECHANICAL PARTS Z Z Note) Those parts marked with # are not included in the P.C.B. ass'y. 3
A-397 A-397 Z Z Z Z Z Z Z Z Z Z Z Z Z 32 Note) Those parts marked with # are not included in the P.C.B. ass'y.
DP-2 A-397 A-397 Note) Those parts marked with # are not included in the P.C.B. ass'y. 33
A B C D E A-397 REMTE CNTRL RA SCHEMATIC DIAGRAM +3V K7 K9 K8 SW ID2 K2 K26 ID 2 D 2 KI/6 KI/7 KI/ KI/ 2 9 K K6 K9 K7 3 Q R Ω C 7µF R2 7Ω.MHz 3 6 7 8 9 S S/LED REM VDD UT IN GND S2 U µpd67amc 3 KI/3 KI/2 KI/ KI/ KI3 KI2 KI KI 8 7 6 3 2 K2 K29 K6 K23 K27 K K22 K8 K3 K2 K28 K2 K J KEY N. LAYUT YAMAHA RA IR CDE TABLE 2 Key No. Key Name (no key) Format CD Code (ID) DEVICE (no code) TAPE 3 6 2 3 PWER CD/DVD PHN 7A-D 7A- 7A- 7 8 9 6 TUNER STANDBY 7A-6 7A-E 7 MD 7A-C9 8 TAPE 7A-8 6 9 AU (no key) (no key) 7A- (no code) (no code) 7 8 2 3 (no key) (no key) (no key) (no code) (no code) (no code) 9 6 PRESET (+) VLUME (+) 7A- 7A-A 2 22 23 2 7 8 9 PRESET (-) VLUME (-) A/B/C/D/E 7A- 7A-B 7A-2 6 2 26 27 28 3 29 2 2 22 23 2 (no key) Device Device Device Device REW PAUSE FF DISPLAY (no code) 7A-D REW 7A-9 A/B 7A-C FF 7A-A 7A- 7A-6 7A-2 (no code) 2 Device SKIP (-) 7A-B DIR A 7A-7 26 Device STP 7A-9 STP 7A-3 27 Device SKIP (+) 7A-A DIR B 7A- 28 Device DISC SKIP 7A-F REC 7A- 29 Device PLAY 7A-8 PLAY 7A- 3 (no sw) 3 CD/TAPE 7 3
DP-2 A-397 A-397 Parts List for Carbon Resistors Value. Ω.8 Ω 2.2 Ω 3.3 Ω.7 Ω.6 Ω Ω Ω 22 Ω 27 Ω 33 Ω 39 Ω 7 Ω 6 Ω 68 Ω 7 Ω 82 Ω 9 Ω Ω Ω 2 Ω Ω 6 Ω 8 Ω 2 Ω 22 Ω 27 Ω 33 Ω 39 Ω 3 Ω 7 Ω Ω 6 Ω 68 Ω 82 Ω 9 Ω. kω.2 kω. kω.8 kω 2. kω 2.2 kω 2. kω 2.7 kω 3. kω 3.3 kω 3.6 kω 3.9 kω.7 kω. kω.6 kω 6.8 kω 8.2 kω 9. kω /W Type Part No. HJ3 3 HJ3 38 HJ3 322 HJ3 333 HJ3 37 HJ3 36 HF HJ3 HF 22 HJ3 27 HF 33 HJ3 7 HF 7 HF 6 HF 68 HF 7 HF 82 HF 9 HF HJ3 HF 2 HF HJ3 6 HF 8 HF 2 HF 22 HF 27 HF 33 HF 39 HF 3 HF 7 HF HF 6 HF 68 HF 82 HF 9 HF 6 HF 62 HF 6 HF 68 HJ3 62 HF 622 HJ3 62 HF 627 HF 63 HF 633 HJ3 636 HF 639 HF 67 HF 6 HF 66 HF 668 HF 682 HF 69 /6W Type Part No. HF8 3 HF8 322 HF8 333 HF8 37 HF8 36 HF HF8 HF 22 HF8 27 HF 33 HF8 39 HF 7 HF 6 HF 68 HF 7 HF 82 HF 9 HF HF8 HF 2 HF HF 8 HF 2 HF 22 HF 27 HF 33 HF 39 HF 3 HF 7 HF HF 6 HF 68 HF 82 HF 9 HF 6 HF 62 HF 6 HF 68 HF8 62 HF 622 HF8 62 HF 627 HF 63 HF 633 HF8 636 HF 639 HF 67 HF 6 HF 66 HF 668 HF 682 HF 69 Value kω kω 2 kω 3 kω kω 8 kω 22 kω 2 kω 27 kω 3 kω 33 kω 36 kω 39 kω 7 kω kω 6 kω 62 kω 68 kω 82 kω 9 kω kω kω 2 kω kω 8 kω 22 kω 27 kω 3 kω 33 kω 39 kω 7 kω 6 kω 68 kω 82 kω. MΩ.2 MΩ. MΩ.8 MΩ 2.2 MΩ 3.3 MΩ 3.9 MΩ.7 MΩ /W Type Part No. HF 7 HF 7 HJ3 72 HF 73 HF 7 HF 78 HF 722 HF 72 HJ3 727 HF 73 HF 733 HF 736 HF 739 HF 77 HF 7 HF 76 HF 762 HF 768 HF 782 HF 79 HF 8 HF 8 HF 82 HF 8 HF 88 HJ3 822 HF 827 HF 83 HF 833 HJ3 839 HF 87 HJ3 86 HJ3 868 HJ3 882 HF 9 HJ3 92 HJ3 9 HJ3 98 HJ3 922 HJ3 933 HJ3 939 HJ3 97 /W Type HJ3 mm /6W Type Part No. HF 7 HF 7 HF8 72 HF 73 HF 7 HF 78 HF 722 HF 72 HF8 727 HF 73 HF 733 HF 736 HF 739 HF 77 HF 7 HF 76 HF 762 HF 768 HF 782 HF 79 HF 8 HF 8 HF 82 HF 8 HF 88 HF8 822 HF 827 HF 83 HF 833 HF8 839 HF 87 HF8 86 HF8 868 HF8 882 HF 9 HF8 9 HF8 98 HF8 922 HF8 933 HF8 97 /W Type HF /6W Type HF8 mm 992 3
A-397 A-397