Sony HCD-VX77 Service Manual Download Page 38 | Manualshive

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HCD-VX77/VX77J

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7-13. PRINTED WIRING BOARD – POWER AMP SECTION –

• See page 23 for Circuit Boards Location.

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Summary of Contents for HCD-VX77

Page 1: ...ce of 16 ohms VIDEO CD CD player section System Compact disc and digital audio system Laser Semiconductor laser λ 780nm Emission duration continuous Laser output Max 44 6 µW This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick up Block with 7 mm aperture Frequency response 2 Hz 20 kHz 0 5 dB Wavelength 780 790 nm Signal to noise ratio More t...

Page 2: ...n 31 7 7 Schematic Diagram Video 2 3 Section 32 7 8 Schematic Diagram Video 3 3 Section 33 7 9 Printed Wiring Board Main Section 34 7 10 Schematic Diagram Main 1 3 Section 35 7 11 Schematic Diagram Main 2 3 Section 36 7 12 Schematic Diagram Main 3 3 Section 37 7 13 Printed Wiring Board Power AMP Section 38 7 14 Schematic Diagram Power AMP Section 39 7 15 Printed Wiring Board Panel Section 40 7 16 ...

Page 3: ...ly force on the conductor when soldering or unsoldering NOTES ON HANDLING THE OPTICAL PICK UP BLOCK OR BASE UNIT The laser diode in the optical pick up block may suffer electrostatic break down because of the potential difference generated by the charged electrostatic load etc on clothing and the human body During repair pay attention to electrostatic break down and also use the procedure in the p...

Page 4: ...nction for the VIDEO and AUDIO decoder sections Connecting to the LED between TP522 and TP523 on the VIDEO BOARD Immediately after the power on the self diagnosis function searches each operation of IC s around the mechanism control microcomputer IC701 and TP5 The results can be checked by LED of the VIDEO board Oscilloscope Waveform Symptom No error MPEG decoder IC505 error MPEG decoder IC505 or ...

Page 5: ... CD SYNC HI DUB button qk KARAOKE PON MPX button ql MIC1 MIC2 jack w MIC LEVEL knob wa ECHO LEVEL knob ws EQ EDIT button wd SPECTRUM button wf DISPLAY button wg 1 button and indicator wh Function indicator wj TUNER BAND button wk CINEMA SPACE button wl MD VIDEO button e gG SELECT button ea button es X button ed button ef x button eg V GROOVE button and indicator eh PICTURE EFFECT button ej CURSOL ...

Page 6: ...e hour indication flashes 2 Press or repeatedly to set the hour Step 2 Setting the time You must set the time before using the timer functions continued N X x x M m nN O v V b B X 1 3 5 2 4 TV 1 TV VOL TV CH TV VIDEO 8 1 Press TUNER BAND repeatedly until the band you want appears in the display Every time you press this button the band changes as follows FM y AM Step 3 Presetting radio stations Yo...

Page 7: ...se Top Side panel L 5Two screws Case 7Two screws BVTP 3 10 1Two screws Case 9Two screws BVTP 3 10 3Two screws BVTP 3 10 6Screw Case 2Screw Case 2 Pull out the disc tray 1 Turn the pulley to the direction of arrow pulley Loading panel assy Front panel side CD mechanism deck CDM58 3 3 1 UPPER CASE TOP 3 2 LOADING PANEL ASSY ...

Page 8: ...Connector CN601 1Flat type wire CN304 6Three screws BVTT 3 6 5Screw BVTP 3 10 4Screw BVTP 3 10 0Two screws BVTP 3 10 qaTwo screws BVTP 2 6 8 qs 6Tape mechanism deck 5Five screws BVTP 2 6 8 1Screw BVTP 2 6 8 2Bracket Heart cam R 4Bracket Heart cam L 3Screw BVTP 2 6 8 3 3 FRONT PANEL SECTION 3 4 TAPE MECHANISM DECK ...

Page 9: ...h board 1Knob Volume 8 5FR knob 4Bracket FR qdFive claws 0Three claws 9Three screws BVTP 2 6 8 3Two bosses four pins 6Spring 2Two screws BVTP 2 6 8 7Knob MIC 8Two screws BVTT 4 8 2Six screws BVTP 3 10 1Two screws BVTP 3 10 4Panel back 7Two screws BVTT 4 8 0Trans board 9Trans 5Connector CN975 6Connector CN977 3Connector CN891 3 5 PANEL BOARD 3 6 TRANS BOARD ...

Page 10: ... 16 1Two screws BVTP 3 8 2Main board Connector CN502 Connector CN503 5Power AMP board 6Screw PS 2 6 5 3Screw PS 2 6 5 2Leaf SW board 1Five claws 4Head A board 5Head B board 7Remove the four solderings 3 7 MAIN BOARD AND AMP BOARD 3 8 LEAF SW BOARD HEAD A BOARD AND HEAD B BOARD ...

Page 11: ... screws BVTP 2 6 8 4Three screws BVTP 2 6 8 9Screw PTPWH 2 6 8 q Tray 1Screw BVTP 2 6 8 qaScrew BVTP 2 6 8 7Flat type wire CN721 6Motor board qsSensor board 8Connector CN722 2Driver board 3Connector CN701 5Remove the two solderings of motor 3 9 BASE UNIT 3 10 DRIVER BOARD MOTOR BOARD SENSOR BOARD AND VIDEO BOARD ...

Page 12: ...M buttons simultaneously The message VACS OFF or VACS ON appears Change over of MW Tuner Step between 9 kHz and 10 kHz A step of MW channels can be changed over between 9 kHz and 10 kHz Procedure 1 Press 1 button to turn the set ON 2 Select the function TUNER and press TUNER BAND button to select the BAND MW 3 Press 1 button to turn the set OFF 4 Press ENTER and 1 buttons simultaneously and the di...

Page 13: ...cked at this moment becomes the default setting It means that the default disc only is accessed when any other discs are selected even though the display indication changes accordingly At the same time the DISC SKIP EX CHANGE and OPEN CLOSE cannot be accepted It means that the tray motor and the turntable motor are disabled of their operation 11 When a tape is inserted in Deck B and recording is s...

Page 14: ...rror EDC NO DISC error When aging operation is complete be sure to perform the MC Cold Reset to reset the error history D No disc error 01 FOCUS ERROR 02 GFS ERROR 03 SETUP ERROR 01 NO DISC judgment without chucking retry 02 NO DISC judgment after chucking retry Status at the time of NO DISC judgment High order digits only 1 STOP 2 SETUP 3 TOC READ 4 ACCESS 5 PLAY BACK 6 PAUSE 7 MANUAL SEARCH PLAY...

Page 15: ...ce 1 Rewind is executed up to the top of tape A and B 2 A tape on FWD side is played for 2 minutes 3 FF is executed up to either made for 20 second or the end of tape 4 A tape is reversed and the tape on REV side is played for 2 minutes 5 Rewind is executed up to the top of tape 6 Returns to step 2 and repeat steps from 2 to 5 Function Change Mode elect either VIDEO or MD of the external FUNCTION ...

Page 16: ...For reference the color bars signal can be observed at J302 VIDEO OUT and the sound signal can be observed at J101 VIDEO MD AUDIO OUT using an oscilloscope 1 Connect the lead wire to both ends of the land of SL503 of the VIDEO board 2 Turn the power on Press CD button to select CD 3 After 2 or 3 seconds later connect the lead wire 4 After measuring remove the lead wire connected VIDEO BOARD SIDE A...

Page 17: ...s adjustments for both decks Procedure 1 Mode Playback Precaution 1 Clean the following parts with a denatured alcohol moistened swab record playback heads pinch rollers erase head rubber belts capstan idlers 2 Demagnetize the record playback head with a head demagnetizer 3 Do not use a magnetized screwdriver for the adjustments 4 After the adjustments apply suitable locking compound to the parts ...

Page 18: ... 4 Adjust RV1001 on the LEAF SW board do that frequency counter reads 6 000 30 Hz 5 Press the CD SYNC HI DUB button Then back to NORMAL speed mode 6 Adjust RV1002 on the LEAF SW board so that frequency counter reads 3 000 15 Hz Adjustment Location LEAF SW board Playback level Adjustment DECK A DECK B Procedure Mode Playback Deck A is RV302 L CH and RV352 R CH Deck B is RV303 L CH and RV353 R CH so...

Page 19: ...level adjustment the RV304 L CH and RV354 R CH on theAUDIO board to repeat steps 4 and 5 Adjustable level Playback output of 315 Hz to playback output of 10 kHz 1 0 dB Adjustment Location MAIN board REC Level Adjustment DECK B Procedure INTRODUCTION When set to the test mode performed in Tape Speed Adjustment when the tape is rewound after recording the REC memory mode which rewinds only the recor...

Page 20: ...th neutral detergent when the signal level is low than specified value with the following checks S Curve Check Procedure 1 Connect oscilloscope to TP FEO 2 Connect between TP FEI and TP VC by lead wire 3 Connect between TP AGCCON and TP GND by lead wire 4 Turn Power switch on 5 Load a disc YEDS 18 and actuate the focus search In consequence of open and close the disc tray actuate the focus search ...

Page 21: ...andA DC voltage on the oscilloscope waveform 1 track jump waveform Specification level x 100 less than 22 6 After check remove the lead wire connected in step 1 RF PLL Free run Frequency Procedure 1 Connect frequency counter to test point XPCK with lead wire 2 Turned Power switch on 3 Put the disc YEDS 18 in to play the number five track Confirm that reading on frequency counter is 4 3218MHz VOLT ...

Page 22: ...requency counter read 27MHz 80Hz at STOP condition VIDEO BOARD SIDE B Adjustment Location VIDEO BOARD SIDE A frequency counter VIDEO board 27 MHz SL501 IC502 SL502 SL503 TEST MODE SL501 SL502 CT503 SL503 TEST MODE VIDEO FREQUENCY 27MHz GND IC507 IC505 Adjustment Location BD BOARD SIDE B TP VC TP RF TP TEO TP IOP TP FEO TP AGND TP DGND TP AGCCON IC102 ...

Page 23: ... to ground under no signal detuned conditions Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path F FM f AM E PB DECK A d PB DECK B G REC DECK B J CD c digital out Abbreviatio...

Page 24: ...mVp p 2 5V 2 6Vp p 7 5µsec 1 IC502 qd XOUT 2 IC505 ug COUT 3 IC505 yl YOUT 4 IC304 9 COUT 5 IC304 qg YOUT 6 IC509 1 XT1 7 IC509 ql LRCK 8 IC509 qj BCK 9 IC504 8 384FS q IC504 6 27M 4Vp p 10MHz H 1Vp p H 1Vp p 2Vp p H 2Vp p H 27MHz 5 8Vp p 4 6Vp p 44 1kHz 4 8Vp p 2 11MHz 4 8Vp p 33 8MHz 3 8Vp p 27MHz 1 IC401 qa STOP MODE 3 0Vp p 32 768kHz 3 4Vp p 2 IC401 qd STOP MODE 3 T301 4 TAPE B REC MODE 16MHz ...

Page 25: ... COIL 09 Q101 RF AMP IC103 VC 12 A 5 B 6 C 7 D 8 E 11 F 10 LD 3 PD 4 IC102 MOTOR COIL DRIVE VO1 14 VO1 VO2 VO2 13 12 11 16 15 M M102 SLED MOTOR 18 17 M M101 SPINDLE MOTOR F F T T 2 OPIN1 OPIN1 OPIN2 OPIN2 OPIN4 OPIN3 3 5 6 26 27 23 20 MDP 25 SFDR 29 SRDR 30 TRDR 32 TFDR 31 FRDR 34 FFDR 33 STBY1 STBY2 DIGITAL SIGNAL PROC D A CONV IC101 DIGITAL SERVO 64 D OUT RFAC 50 17 RFI 16 RFO 14 FE 13 TE 22 LD ...

Page 26: ...8 37 36 77 20 21 33 32 31 69 HD OUT 6 CD C2P0 CD LRCK CD BCK HRDY HD IN HCK HINT HSEL RESET PGIO2 VSYNC CSYNC INVERTER Q502 CD DATA MWE WE RAS UCAS LCAS A0 A8 DQ1 DQ16 RASO CAS MCE MD0 I MD15 MA0 I MA10 Y OUT DA DATA DA BCK 111 VCK IN 106 DA XCLK 86 110 DA LRCK 108 112 119 117 113 114 121 101 93 PGIO3 HSYNC INVERTER Q501 60 3 5 4 13 14 28 29 38 42 40 10 8 4 13 5 1 1 3 8 6 11 1 3 2 7 19 17 DATA0 CL...

Page 27: ...LOCK A120 70 B120 70 A HALF B HALF A PLAY B PLAY A SHUT B SHUT A TRG M B TRG M CAP M H L CAP M 19 79 TC RELAY IC401 2 2 MASTER CONTROL 76 EQ H N 78 ALC 75 BIAS 74 REC MUTE 73 NR ON OFF 72 R PB PAS 71 TC MUTE 70 AMS IN 4 DATA 5 1 2 3 1 2 3 CLK SURROUND1 SURROUND2 SURROUND3 83 DBFB ON OFF DC BIAS Q141 6V A 12V 84 LINE MUTE 100 STK MUTE 87 RELAY H 82 PROTECT 30 IIC DATA 10 XC IN 11 XC OUT 15 X IN 13 ...

Page 28: ...HCD VX77 VX77J 28 28 7 3 PRINTED WIRING BOARD BD SECTION See page 23 for Circuit Boards Location ...

Page 29: ...HCD VX77 VX77J 29 29 7 4 SCHEMATIC DIAGRAM BD SECTION See page 24 for Waveforms See page 57 for IC Block Diagrams See page 48 for IC Pin Function PIN FUNCTION ...

Page 30: ...IC504 C 2 IC505 B 2 IC507 B 3 IC509 C 3 Q501 B 1 Q502 B 1 Semiconductor Location Ref No Location IC301 A 3 IC302 A 3 IC304 A 2 IC501 C 2 IC502 D 2 IC506 C 1 Q531 B 3 Semiconductor Location 7 5 PRINTED WIRING BOARD VIDEO SECTION See page 23 for Circuit Boards Location ...

Page 31: ...HCD VX77 VX77J 31 31 7 6 SCHEMATIC DIAGRAM VIDEO 1 3 SECTION See page 24 for Waveforms See page 60 for IC Block Diagrams See page 49 for IC Pin Function 4 8 4 8 4 8 4 8 PIN FUNCTION ...

Page 32: ...HCD VX77 VX77J 32 32 7 7 SCHEMATIC DIAGRAM VIDEO 2 3 SECTION See page 24 for Waveforms See page 49 for IC Pin Function See page 30 for Printed Wiring Board PIN FUNCTION ...

Page 33: ...HCD VX77 VX77J 33 33 7 8 SCHEMATIC DIAGRAM VIDEO 3 3 SECTION See page 24 for Waveforms See page 49 for IC Pin Function See page 30 for Printed Wiring Board ...

Page 34: ...E 4 IC401 B 3 IC501 B 4 IC601 C 8 IC651 A 7 IC681 C 7 IC682 D 7 IC911 B 6 IC951 E 5 IC961 F 6 Q101 C 5 Q102 C 4 Q103 G 6 Q141 C 4 Q151 C 5 Q152 C 5 Q153 G 6 Q301 G 4 Q302 G 3 Q303 G 4 Q304 F 3 Q305 F 4 Q391 D 2 Q392 D 2 Q393 D 2 Q394 C 2 Q395 D 2 Q396 D 2 Q397 C 2 Q501 B 4 Q503 C 3 Q504 C 3 Q505 C 3 Q601 B 7 Q602 A 8 Q611 C 7 Q612 C 7 Q821 F 8 Q822 F 8 Q823 E 8 Q824 E 8 Q825 E 8 Q828 E 8 Q829 E 8 ...

Page 35: ...HCD VX77 VX77J 35 35 7 10 SCHEMATIC DIAGRAM MAIN 1 3 SECTION See page 59 for IC Block Diagrams ...

Page 36: ...HCD VX77 VX77J 36 36 7 11 SCHEMATIC DIAGRAM MAIN 2 3 SECTION See page 24 for Waveforms See page 58 for IC Block Diagrams See page 54 for IC Pin Function See page 34 for Printed Wiring Board PIN FUNCTION ...

Page 37: ...HCD VX77 VX77J 37 37 7 12 SCHEMATIC DIAGRAM MAIN 3 3 SECTION See page 34 for Printed Wiring Board ...

Page 38: ...HCD VX77 VX77J 38 38 7 13 PRINTED WIRING BOARD POWER AMP SECTION See page 23 for Circuit Boards Location Page 46 Page 34 Page 34 Page 46 ...

Page 39: ...HCD VX77 VX77J 39 39 7 14 SCHEMATIC DIAGRAM POWER AMP SECTION ...

Page 40: ...18 C 2 D630 A 6 D631 A 5 D632 A 4 IC601 C 5 IC602 F 4 IC603 B 7 IC721 E 8 IC722 F 8 Q604 D 8 Q605 B 2 Q606 D 7 Q607 D 7 Q608 C 7 Q609 C 7 Q610 C 7 Q611 C 7 Q612 C 7 Q613 C 6 Q614 C 6 Q615 D 3 Q621 B 7 Q622 E 7 Q623 F 7 Q624 E 5 Q625 F 4 Q626 C 2 Q630 A 7 Q631 A 7 Q632 A 4 Q633 A 7 Q634 A 7 Q635 A 3 Q721 G 6 Semiconductor Location 1 2 A B C D E F G 3 4 5 6 7 8 Page 34 09 PICTURE EFFECT CHINEMA SPAC...

Page 41: ...77 VX77J 41 41 7 16 SCHEMATIC DIAGRAM PANEL SECTION See page 24 for Waveforms See page 58 for IC Block Diagrams See page 56 for IC Pin Function 4 8 0 9 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 0 7 0 7 2 5 PIN FUNCTION ...

Page 42: ...42 7 17 PRINTED WIRING BOARD LEAF SW SECTION See page 23 for Circuit Boards Location Ref No Location D1001 A 2 D1002 A 5 IC1001 A 1 IC1002 A 5 Q1001 A 2 Semiconductor Location 1 2 A B C 3 4 5 6 Page 34 Page 34 Page 34 09 ...

Page 43: ...HCD VX77 VX77J 43 43 7 18 SCHEMATIC DIAGRAM LEAF SW SECTION ...

Page 44: ...D VX77 VX77J 44 44 Ref No Location D701 E 1 IC701 E 1 IC711 B 5 7 19 PRINTED WIRING BOARD DRIVER SECTION See page 23 for Circuit Boards Location Semiconductor Location 09 1 2 A B C D E F G 3 4 5 6 Page 34 ...

Page 45: ...HCD VX77 VX77J 45 45 7 20 SCHEMATIC DIAGRAM DRIVER SECTION See page 58 for IC Block Diagrams ...

Page 46: ...HCD VX77 VX77J 46 46 7 21 PRINTED WIRING BOARD TRANS SECTION See page 23 for Circuit Boards Location Page 38 Page 38 ...

Page 47: ...HCD VX77 VX77J 47 47 7 22 SCHEMATIC DIAGRAM TRANS SECTION ...

Page 48: ...ck input for SQSO read out 78 SCSY I Sub code input 79 SBSO O Sub P through Sub W serial output Not used 80 EXCR I Clock input for SBSO read out Pin No 1 DVDD0 Digital power supply 2 XRST I System reset 3 MUTE I Muting selection pin 4 DATA I Serial data input supplied from CPU 5 XLAT I Latch input supplied from CPU 6 CLOK I Serial data transfer clock input supplied from CPU 7 SENS O SENS output 8 ...

Page 49: ...o CD interruption input IC505 21 CL680 HSEL O Video CD select data of the host MPU IC505 22 DF LATCH O Digital filter latch output IC509 23 CL680 HRDY I Ready signal input for communication to the host MPU IC505 24 680 RESET O Video CD reset output IC505 L reset 25 H SYNC IN I H sync signal input 26 BGP I BGP output 27 LPH O Double control output IC101 H double 28 LD ON O Laser diode ON OFF output...

Page 50: ...6 to 72 A6 to A0 I Not used 73 TEST LED O TEST LED for MPEG decoder 74 TEST 1 I Test mode for Video CD check 75 TEST 2 I Test mode for servo check 76 TEST 3 I Not used 77 DEVICE RESET O Device system rest output L reset 78 STANDBY I Not used 79 FL CS I Not used 80 FL I Not used 81 to 88 D7 to D0 I Not used 89 MIC CTRL I Not used 90 KEY 1 I Not used 91 KEY 2 I Not used 92 KEY 3 I Not used 93 NY PAL...

Page 51: ...ocode ROM DRAM and CL680 22 VDD3 3 3V Power supply 23 MD9 I O Data bus between Microcode ROM DRAM and CL680 24 MD10 I O Data bus between Microcode ROM DRAM and CL680 25 MD11 I O Data bus between Microcode ROM DRAM and CL680 26 MD12 I O Data bus between Microcode ROM DRAM and CL680 27 MD13 I O Data bus between Microcode ROM DRAM and CL680 28 MD14 I O Data bus between Microcode ROM DRAM and CL680 29...

Page 52: ...ium input voltage each input pin and I O pin 62 NC Not used 63 NC Not used 64 NC Not used 65 AGND DAC Ground 66 AVDD DAC 3 3V Power supply 67 COMPOS OUT O Not used 68 AGND DAC Ground 69 Y OUT O Luminance signal out 70 AVDD DAC 3 3V Power supply 71 AGND DAC Ground 72 RREF I Fix the video signal output level 73 1 235V VREF O Reference voltage 1 235V 74 AVDD DAC 3 3V Power supply 75 C OUT O Chrominan...

Page 53: ...maxium output voltage certain output pins Connected to 5V 110 DA DATA O Digital Audio data 111 DA BCK O Digital Audio bit clock 112 HD OUT O Serial Data output from CL680 to the host MPU 113 HRDY O Ready signal CL680 is ready for communication to the host MPU 114 HINT O Request signal for interrupting the host MPU 115 CDG SCK I O Not used 116 VSS Ground 117 HCK I Host clock referance signal for th...

Page 54: ...ut STEREO detect signal input L ON H OF TUNED detect signal input L ON H OFF TUNER chip eneble output TUNER data output TUNER data input TUNER clock signal output IIC SCL output IIC SDA output Not used Subcode Q data input CD data Connected to ground Subcode Q data input CD clock Connected to ground Not used CD data input Not used CD clock input Connected to ground Not used Clock check signal inpu...

Page 55: ...OFF EQ High Normal select signal output H High L Normal Playback deckA B select signal output H deckB L deckA ALC ON OFF signal output L ON H OFF Tape deck relay ON OFF signal output H ON L OFF Not used STANDBY relay control signal output Speaker protect signal input L ON H OFF Not used Line mute signal output L ON H OFF CD POWER ON OFF signal output H ON L OFF Not used Speaker terminal relay cont...

Page 56: ...35 N C VKK VDD Xin VSS Xout RESET N C TEST WAKE UP I2C data I2C clk N C SIRCS IC601 DISPLAY CONTROL TMP88CP77F 1A22 PANEL BOARD Pin No 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 17 19 20 21 25 26 27 28 29 30 31 32 33 49 50 51 52 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 I O I I I I O O O O O O O O O I I I I O O O O O I I O I I I O O O I I Description VOLUME A signal input VOLUME B signal input Hea...

Page 57: ...62 61 60 59 58 57 56 55 45 46 47 48 49 50 51 52 53 54 44 43 42 41 25 26 27 28 29 30 31 32 33 34 40 39 38 37 36 35 80 79 78 77 76 75 74 73 72 71 65 66 67 68 69 70 SUR NF KEYIN1 DPLIN1 RECAP RECB1 F1A1 F1B1 F2A1 F2B1 F3A1 F3B1 FOUT1 FCIN1 TCA1 TCB1 TCC1 TCOUT1 SEFFIN1 SEFFA1 SEFFB1 SEFFD1 SEFFC1 SEFFOUT1 VOLIN1 MIC IN KEYIN2 DPLIN2 RECA2 RECB2 F1A2 F1B2 F2A2 F2B2 F3A2 F3B2 FOUT2 TCIN2 TCA2 TCB2 TCC2...

Page 58: ... CURRENT BPF DET BPF DET BPF DET BPF DET DET RESET Bias REFFERENCE CURRENT DET DET BPF BPF IC701 BA6956AN DRIVER BOARD 1 2 3 4 5 6 7 8 9 CONTROL LOGIC TSD VREF OUT2 OUT1 RNF VM VCC FIN GND RIN IC103 LA2615 MAIN BOARD VCC 6 5 1 2 3 4 7 8 14 15 16 GDR GURP AOG LPFC N C VOC L OUT R OUT CONT1 CONT2 CONT3 GND HPFC VREF L IN R IN 11 12 10 13 9 ON OFF VREF LEVEL ATT ANALOG SURROUND SW A B SW A B ...

Page 59: ...COUNTER 1 16 1 17 4bits SWALLOW COUNTER 1 16 1 17 4bits POWER ON RESET 1 2 C B I F REFERENCE DIVIDER REFERENCE DIVIDER C B I F 2 DATA SHIFT REGISTER LATCH IC601 BA1450 MAIN BOARD 1 2 3 4 5 6 7 8 9 10 11 12 16 17 18 19 20 21 22 23 24 15 14 13 AM OSC AM MIX AM IF FM IF FM DET AM DET SD DET AGC LED DRIVER COMP SD SW VCO PD 1 2 DECODER VREG 1 2 FM IN FM DET TUNED STEREO IF OUT R OUT L OUT AM FM FM AM ...

Page 60: ...4 15 16 VCC1 OUTA1 OUTA2 VCC2 MIXOUT1 MIXOUT2 N C OUTB MUTEA INA GND GND GND N C INB MUTEB 11 12 10 13 9 75Ω 6dB 75Ω 6dB 20k Chroma Mute 75Ω 6dB Mute 6 5 1 2 3 4 7 8 14 N C GND PHASE DELAY N C N C FREQUENCY CHARACTERISTIC COMPENSATION VIDEO OUTPUT N C DIFFERENTIATION INPUT V CONTROL N C DIFFERENTIATION OUTPUT 11 VIDEO INPUT 12 10 13 9 SECONDARY DIFFERENTIATION GAIN ADJ LPF LOWER LIMITER 1 LOWER LI...

Page 61: ...the last of this parts list Abbreviation EA Saudi Arabia model MY Malaysia model SP Singapore model TH Thai model IA Indonesian model HK Hong Kong model The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified 1 3 363 099 01 SCREW CASE 3 TP2 2 3 363 099 41 SCREW CASE 3 TP2 3 4 225 038 31 SIDE PANEL L 4 4 225 018 71 LOADING PANEL...

Page 62: ...A CD SWITCH BOARD COMPLETE VX77 TH 54 A 4473 045 A CD SWITCH BOARD COMPLETE VX77J 55 4 962 708 81 EMBLEM 4 A SONY 56 4 225 033 01 FR KNOB 57 X 4952 661 1 FRONT PANEL ASSY VX77 MY SP EA HK IA TH VX77J 57 X 4952 675 1 FRONT PANEL ASSY VX77 E 58 4 224 562 01 BRACKET HEART CAM L 59 4 224 803 01 SPRING PUSH COMPRESSION COIL 60 4 224 104 11 DAMPER 61 4 224 560 01 CAM L HEART 62 4 224 559 01 CAM R HEART ...

Page 63: ...TRANS BOARD COMPLETE VX77 MY SP EA HK IA E 105 A 4473 166 A TRANS BOARD COMPLETE VX77 TH 105 A 4473 345 A TRANS BOARD COMPLETE VX77J 106 3 703 244 00 BUSHING FBS001 CORD 107 A 4428 344 A POWER AMP BOARD COMPLETE VX77 MY SP EA HK IA E 107 A 4473 170 A POWER AMP BOARD COMPLETE VX77 TH 107 A 4473 342 A POWER AMP BOARD COMPLETE VX77J 0108 1 575 653 11 CORD POWER VX77 E IA VX77J 0108 1 777 071 51 CORD ...

Page 64: ...used 8 4 TAPE MECHANISM DECK SECTION 1 TCM 230PWR11 Ref No Part No Description Remarks Ref No Part No Description Remarks 151 3 016 574 01 SPRING HEAD TENSION 152 X 3374 156 1 PINCH LEVER REV ASSY 153 X 3374 155 1 PINCH LEVER FWD ASSY 154 3 017 365 01 BASE PINCH LEVER FWD 155 3 017 366 01 BASE PINCH LEVER REV 156 3 016 567 01 SPRING CASSETTE LEAF HP101 A 2004 778 A BASE A ASSY HEAD HRPE101A 2004 7...

Page 65: ...ECHANICAL 210 3 016 566 01 SLIDER REVERSE 211 A 2007 838 A LEAF SW BOARD COMPLETE 212 4 228 450 01 SPRING REVERSE SLIDER TORSION 213 3 019 208 01 WASHER STOPPER 214 3 027 453 01 SPRING GROUND TENSION 215 3 030 823 01 SCREW BVTT 2X3 5 216 A 2004 753 A BLOCK B ASSY MECHANICAL 217 X 3378 042 1 FLYWHEEL B FWD ASSY 218 X 3378 043 1 FLYWHEEL B REV ASSY 219 7 685 851 04 SCREW BVTT 2X4 S 220 7 628 254 15 ...

Page 66: ...1 983 11 WIRE FLAT TYPE 8 CORE 260 1 675 911 11 SENSOR BOARD 261 1 675 912 11 DRIVER BOARD 262 X 4952 608 1 CAM U D ASSY 263 4 221 681 01 LEVER EX 264 4 221 682 01 LEVER LIFTER 265 4 221 688 01 PULLEY B CHUCKING 266 1 471 035 11 MAGNET ASSY 267 X 4952 019 1 PULLEY A ASSY CHUCKING 268 X 4951 889 1 HOLDER BU ASSY 269 4 222 097 01 SCREW STEP 270 4 227 045 01 SPRING INSULATOR COIL 271 4 985 672 01 SCR...

Page 67: ... 8 820 116 01 OPTICAL PICK UP KSM 213DAP 302 1 769 069 11 WIRE FLAT TYPE 16 CORE 303 A 4725 003 A BD BOARD COMPLETE 304 4 951 620 01 SCREW 2 6X8 BVTP The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Ver 1 1 2001 08 ...

Page 68: ...A5982FM IC103 8 752 085 51 IC CXA2568M T6 IC104 8 759 325 67 IC TC7SH04F TE85R IC104 8 759 398 25 IC TC7SH04F TE85L COIL L101 1 414 234 22 INDUCTOR CHIP 0uH L102 1 410 377 31 INDUCTOR CHIP 4 7uH TRANSISTOR Q101 8 729 049 31 TRANSISTOR 2SB710 RTX RESISTOR R101 1 216 077 91 RES CHIP 15K 5 1 10W R102 1 216 097 91 RES CHIP 100K 5 1 10W R103 1 216 077 91 RES CHIP 15K 5 1 10W R104 1 216 085 00 METAL CHI...

Page 69: ...A CD SWITCH BOARD COMPLETE VX77 TH A 4473 045 A CD SWITCH BOARD COMPLETE VX77J DIODE D630 8 719 056 13 DIODE SML79423C TP15 DISC 1 D631 8 719 056 13 DIODE SML79423C TP15 DISC 2 D632 8 719 056 13 DIODE SML79423C TP15 DISC 3 TRANSISTOR Q630 8 729 422 57 TRANSISTOR BN1A4M TP Q631 8 729 422 57 TRANSISTOR BN1A4M TP Q632 8 729 422 57 TRANSISTOR BN1A4M TP Q633 8 729 422 57 TRANSISTOR BN1A4M TP Q634 8 729...

Page 70: ...95 11 MYLAR 0 068uF 5 00 50V C109 1 163 019 00 CERAMIC CHIP 0 0068uF 10 50V C110 1 163 019 00 CERAMIC CHIP 0 0068uF 10 50V C111 1 163 018 00 CERAMIC CHIP 0 0056uF 5 50V C112 1 126 961 11 ELECT 2 2uF 20 00 50V C113 1 126 957 11 ELECT 0 22uF 20 00 50V C115 1 136 169 00 MYLAR 0 22uF 5 00 50V C116 1 136 169 00 MYLAR 0 22uF 5 00 50V C117 1 126 964 11 ELECT 10uF 20 00 50V C118 1 126 961 11 ELECT 2 2uF 2...

Page 71: ...1 ELECT 0 47uF 20 00 50V C358 1 126 964 11 ELECT 10uF 20 00 50V C359 1 137 194 81 MYLAR 0 47uF 5 00 50V C360 1 163 005 11 CERAMIC CHIP 470PF 10 50V C362 1 163 017 00 CERAMIC CHIP 0 0047uF 5 50V C363 1 163 017 00 CERAMIC CHIP 0 0047uF 5 50V C368 1 126 964 11 ELECT 10uF 20 00 50V C369 1 126 961 11 ELECT 2 2uF 20 00 50V C370 1 126 961 11 ELECT 2 2uF 20 00 50V C371 1 163 131 00 CERAMIC CHIP 390PF 5 50...

Page 72: ... C932 1 126 925 11 ELECT 470uF 20 00 10V C951 1 126 960 11 ELECT 1uF 20 00 50V C961 1 126 960 11 ELECT 1uF 20 00 50V C962 1 126 926 11 ELECT 1000uF 20 00 10V FILTER CF601 1 760 023 11 FILTER CERAMIC CF602 1 760 023 11 FILTER CERAMIC CONNECTOR CN201 1 565 937 11 SOCKET CONNECTOR 13P CN202 1 785 336 11 PIN CONNECTOR LIGHT ANGLE 10P CN301 1 568 449 11 HOUSING CONNECTOR PC BOARD 3P CN304 1 569 934 11 ...

Page 73: ...T 0 JR604 1 216 296 91 SHORT 0 JR605 1 216 296 91 SHORT 0 JR606 1 216 296 91 SHORT 0 JR607 1 216 295 91 SHORT 0 JR608 1 216 296 91 SHORT 0 JR611 1 216 296 91 SHORT 0 JR612 1 216 295 91 SHORT 0 JR615 1 216 295 91 SHORT 0 JR616 1 216 295 91 SHORT 0 JR619 1 216 295 91 SHORT 0 JR632 1 216 295 91 SHORT 0 JR634 1 216 295 91 SHORT 0 JR640 1 216 295 91 SHORT 0 JR922 1 216 295 91 SHORT 0 JR923 1 216 295 91...

Page 74: ...16 057 00 METAL CHIP 2 2K 5 1 10W R164 1 216 097 91 RES CHIP 100K 5 1 10W R165 1 216 073 00 METAL CHIP 10K 5 1 10W R166 1 216 065 91 RES CHIP 4 7K 5 1 10W R171 1 216 073 00 METAL CHIP 10K 5 1 10W R172 1 216 073 00 METAL CHIP 10K 5 1 10W R173 1 216 073 00 METAL CHIP 10K 5 1 10W R175 1 216 073 00 METAL CHIP 10K 5 1 10W R181 1 216 049 91 RES CHIP 1K 5 1 10W R182 1 216 049 91 RES CHIP 1K 5 1 10W R201 ...

Page 75: ...6 174 00 RES CHIP 100 5 1 8W R494 1 216 295 91 SHORT 0 R495 1 216 077 91 RES CHIP 15K 5 1 10W R496 1 216 089 91 RES CHIP 47K 5 1 10W R497 1 216 073 00 METAL CHIP 10K 5 1 10W EA R497 1 216 053 00 METAL CHIP 1 5K 5 1 10W EXCEPT EA R498 1 216 089 91 RES CHIP 47K 5 1 10W R499 1 216 025 91 RES CHIP 100 5 1 10W R501 1 216 073 00 METAL CHIP 10K 5 1 10W R502 1 216 089 91 RES CHIP 47K 5 1 10W R503 1 216 08...

Page 76: ...J CARBON 220K RV351 1 241 764 11 RES ADJ CARBON 10K RV352 1 241 762 11 RES ADJ CARBON 2 2K RV353 1 241 762 11 RES ADJ CARBON 2 2K RV354 1 241 768 11 RES ADJ CARBON 220K RV611 1 241 765 11 RES ADJ CARBON 22K RELAY RY801 1 755 372 11 RELAY TRANSFORMER T301 1 423 980 11 TRANSFORMER BIAS OSCILLATION T601 1 435 195 11 TRANSFORMER DISCRIMINATOR TERMINAL TM601 1 694 555 11 TERMINAL BOARD 4P FM AM TM801 1...

Page 77: ... 0 01uF 30 00 16V C749 1 162 306 11 CERAMIC 0 01uF 30 00 16V C750 1 162 282 31 CERAMIC 100PF 10 50V C751 1 162 282 31 CERAMIC 100PF 10 50V C752 1 162 282 31 CERAMIC 100PF 10 50V C753 1 162 282 31 CERAMIC 100PF 10 50V C754 1 162 282 31 CERAMIC 100PF 10 50V C755 1 162 282 31 CERAMIC 100PF 10 50V C756 1 162 282 31 CERAMIC 100PF 10 50V C757 1 162 282 31 CERAMIC 100PF 10 50V C758 1 162 282 31 CERAMIC 1...

Page 78: ...00K 5 1 4W R639 1 249 441 11 CARBON 100K 5 1 4W R640 1 249 441 11 CARBON 100K 5 1 4W R641 1 249 441 11 CARBON 100K 5 1 4W R642 1 249 441 11 CARBON 100K 5 1 4W R643 1 249 441 11 CARBON 100K 5 1 4W R644 1 249 441 11 CARBON 100K 5 1 4W R651 1 249 429 11 CARBON 10K 5 1 4W R652 1 249 410 11 CARBON 270 5 1 4W F R653 1 249 411 11 CARBON 330 5 1 4W R654 1 249 413 11 CARBON 470 5 1 4W F R655 1 249 415 11 C...

Page 79: ...21 SWITCH KEYBOARD 1 S638 1 762 875 21 SWITCH KEYBOARD GROOVE S639 1 762 875 21 SWITCH KEYBOARD EQ EDIT S640 1 762 875 21 SWITCH KEYBOARD SPECTRUM S641 1 762 875 21 SWITCH KEYBOARD DISPLAY VIBRATOR X601 1 579 352 11 VIBRATOR CERAMIC 12 5MHz A 4428 344 A POWER AMP BOARD COMPLETE VX77 MY SP EA HK IA E A 4473 170 A POWER AMP BOARD COMPLETE VX77 TH A 4473 342 A POWER AMP BOARD COMPLETE VX77J 7 685 646...

Page 80: ... 11 CARBON 390 5 1 4W R554 1 249 438 11 CARBON 56K 5 1 4W R555 1 249 417 11 CARBON 1K 5 1 4W F R556 1 249 431 11 CARBON 15K 5 1 4W R557 1 249 441 11 CARBON 100K 5 1 4W R558 1 220 891 11 METAL 0 1 10 5W R559 1 260 076 11 CARBON 10 5 1 2W R560 1 220 891 11 METAL 0 1 10 5W 0R561 1 212 881 11 FUSIBLE 100 5 1 4W R581 1 249 435 11 CARBON 33K 5 1 4W R582 1 249 435 11 CARBON 33K 5 1 4W R591 1 249 441 11 C...

Page 81: ...100uF 20 6 3V C541 1 165 319 11 CERAMIC CHIP 0 1uF 50V C542 1 126 206 11 ELECT CHIP 100uF 20 6 3V C543 1 126 206 11 ELECT CHIP 100uF 20 6 3V C544 1 165 319 11 CERAMIC CHIP 0 1uF 50V C545 1 165 319 11 CERAMIC CHIP 0 1uF 50V C546 1 165 319 11 CERAMIC CHIP 0 1uF 50V C547 1 126 193 11 ELECT 1uF 20 50V C548 1 165 319 11 CERAMIC CHIP 0 1uF 50V C549 1 165 319 11 CERAMIC CHIP 0 1uF 50V C550 1 163 275 11 C...

Page 82: ...5 1 10W R501 1 216 025 91 RES CHIP 100 5 1 10W R502 1 216 025 91 RES CHIP 100 5 1 10W R503 1 216 025 91 RES CHIP 100 5 1 10W R504 1 216 025 91 RES CHIP 100 5 1 10W R505 1 216 025 91 RES CHIP 100 5 1 10W R506 1 216 025 91 RES CHIP 100 5 1 10W R507 1 216 073 00 METAL CHIP 10K 5 1 10W R508 1 216 073 00 METAL CHIP 10K 5 1 10W R516 1 216 073 00 METAL CHIP 10K 5 1 10W R517 1 216 073 00 METAL CHIP 10K 5 ...

Page 83: ...RE FLAT TYPE 8 CORE 266 1 471 035 11 MAGNET ASSY 0301 8 820 116 01 OPTICAL PICK UP KSM 213DAP 302 1 769 069 11 WIRE FLAT TYPE 16 CORE HP101 A 2004 778 A BASE A ASSY HEAD HRPE101A 2004 779 A BASE B ASSY HEAD M1 X 3378 241 1 MOTOR ASSY INCLUDING PULLEY M721 A 4672 826 A MOTOR ASSY INCLUDING PULLEY M961 1 763 072 11 FAN DC FL601 1 517 928 11 INDICATOR TUBE FLUORESCENT HARDWARE LIST 1 7 628 254 05 SCR...

Page 84: ...jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 1 2001 08 Correction of exploded views Tape mechanism deck section and 276 SPM 01030 1 0 2001 05 New ...

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