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JVC AV-20FD22 Service Manual
JVC AV-20FD22 Service Manual

JVC AV-20FD22 Service Manual

Tv/dvd combo
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SERVICE MANUAL
CONTENTS
„ SPECIFICATIONS
OPERATING INSTRUCTIONS (APPENDED)
„ SAFETY PRECAUTIONS
„ SPECIFIC SERVICE INSTRUCTIONS
„ SERVICE ADJUSTMENTS
„ GUIDE FOR REPAIRING
STANDARD CIRCUIT DIAGRAM (APPENDED)
„ PARTS LIST
TV/DVD COMBO
AV-20FD22
COPYRIGHT © 2001 VICTOR COMPANY OF JAPAN, LTD.
AV-20FD22
2
3
7
13
18
32
No. 51821
Mar. 2001

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Table of Contents
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Summary of Contents for JVC AV-20FD22

  • Page 1 AV-20FD22 SERVICE MANUAL TV/DVD COMBO AV-20FD22 CONTENTS „ SPECIFICATIONS OPERATING INSTRUCTIONS (APPENDED) „ SAFETY PRECAUTIONS „ SPECIFIC SERVICE INSTRUCTIONS „ SERVICE ADJUSTMENTS „ GUIDE FOR REPAIRING STANDARD CIRCUIT DIAGRAM (APPENDED) „ PARTS LIST No. 51821 COPYRIGHT © 2001 VICTOR COMPANY OF JAPAN, LTD.
  • Page 2: Specifications

    AV-20FD22 SPECIFICATIONS GENERAL Power supply: AC 120V 60Hz Power consumption: Operation: 120W Stand by: 8W Weight: 56.1lbs (25.5 kg) Dimensions: Width : 22-5/8 inches (574 mm) Height: 20-3/8 inches (515 mm) Depth : 19-1/8 inches (483 mm) TELEVISION Picture tube:...
  • Page 3 AV-20FD22 SAFTY PRECAUITONS CAUTION THIS DIGITAL VIDEO PLAYER EMPLOYS A LASER SYSTEM. TO ENSURE PROPER USE OF THIS PRODUCT, PLEASE READ THIS SERVICE MANUAL CARE- FULLY AND RETAIN FOR FUTURE REFERENCE. SHOULD THE UNIT REQUIRE MAINTENANCE, CONTACT AN AUTHORIZED SERVICE LOCATION-SEE SERVICE PROCEDURE.
  • Page 4: Important Service Safety Information

    AV-20FD22 IMPORTANT SERVICE SAFETY INFORMATION Operating the receiver outside of its cabinet or with its The picture tube used in this receiver employs integral back removed involves a shock hazard. Work on these implosion protection. Replace with a tube of the same models should only be performed by those who are type number for continued safety.
  • Page 5: Important Safeguards

    AV-20FD22 IMPORTANT SAFEGUARDS READ INSTRUCTIONS All the safety and operating instructions should be read before the unit is operated. RETAIN INSTRUCTIONS The safety and operating instructions should be retained for future reference. HEED WARNINGS All warnings on the unit and in the operating instructions should be adhered to.
  • Page 6 AV-20FD22 IMPORTANT SAFEGUARDS (CONTINUED) DAMAGE REQUIRING SERVICE Unplug this unit from the wall outlet and refer servicing to qualified service personnel under the following conditions: When the power-supply cord or plug is damaged. If liquid has been spilled, or objects have fallen into the unit.
  • Page 7: Removal Of Mechanical Parts And P.c. Boards

    AV-20FD22 SPECIFIC SERVICE INSTRUCTIONS DISASSEMBLY INSTRUCTIONS 1-3: TV/DVD BLOCK (Refer to Fig. 1-3) 1. REMOVAL OF MECHANICAL PARTS Remove the 2 screws 1. AND P.C. BOARDS Disconnect the following connectors: 1-1: BACK CABINET (Refer to Fig. 1-1) (CP104, CP301, CP302, CP401 and CP502).
  • Page 8 AV-20FD22 DISASSEMBLY INSTRUCTIONS 1-5: FRONT TRAY PLATE/TOP SHIELD (Refer to Fig. 1-5) Remove the Front Tray Plate in the direction of arrow (A). CD Deck Remove the 9 screws 1. Remove the Top Shield in the direction of arrow (B).
  • Page 9: Removal Of Anode Cap

    AV-20FD22 DISASSEMBLY INSTRUCTIONS 3. After one side is removed, pull in the opposite direction 2. REMOVAL OF ANODE CAP to remove the other. Read the following NOTED items before starting work. NOTE After turning the power off there might still be a potential Take care not to damage the Rubber Cap.
  • Page 10: Service Mode List

    AV-20FD22 SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter the Service Mode, press both set key and remote control key. Press both the VOL. key and remocon keys simultaneously for more than 1 second.
  • Page 11: Self-Diagnosis

    AV-20FD22 SELF-DIAGNOSIS The Self-Diagnosis function will operate when both STOP button on the set and Channel button (9) on the remote control are pressed simultaneously (for more than 3 seconds) at DVD LOGO screen with No Disc. NOTE: No diagnosis of FL CHECK on the TV/DVD Player.
  • Page 12: Note For The Replacing Of Memory Ic

    AV-20FD22 NOTE FOR THE REPLACING OF MEMORY IC If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to TABLE 1.
  • Page 13: Service Adjustment

    AV-20FD22 SERVICE ADJUSTMENT ELECTRICAL ADJUSTMENTS BEFORE MAKING ELECTRICAL FUNCTION FUNCTION ADJUSTMENTS R CUT OFF BRI. AV(CENT.) G CUT OFF BRI. AV(MAX) Read and perform these adjustments when repairing the B CUT OFF BRI. AV(MIN) G DRIVE COL. AV(CENT.) circuits or replacing electrical parts or PCB assemblies.
  • Page 14 AV-20FD22 ELECTRICAL ADJUSTMENTS 2-4: WHITE BALANCE 2-9: VERTICAL SHIFT NOTE: Adjust after performing CUT OFF adjustment. NOTE: Adjust after performing adjustments in section 2-8. Place the set with Aging Test for more than 15 minutes. Receive the center cross signal from the Pattern Receive the white 100% signal from the Pattern Generator.
  • Page 15 AV-20FD22 ELECTRICAL ADJUSTMENTS 2-14: CORNER CORR BOTTOM 2-18: SUB BRIGHT CENTER Receive the crosshatch signal from the Pattern Receive the monoscope pattern. (RF Input) Generator. Using the remote control, set the brightness and Using the remote control, set the brightness and contrast to normal position.
  • Page 16 AV-20FD22 ELECTRICAL ADJUSTMENTS 2-20: SUB TINT CENTER 2-21: SUB COLOR CENTER Receive the color bar pattern. (RF Input) Receive the color bar pattern. (RF Input) Using the remote control, set the brightness, contrast, Using the remote control, set the brightness, contrast, color and tint to normal position.
  • Page 17: Purity And Convergence Adjustments

    AV-20FD22 ELECTRICAL ADJUSTMENTS PURITY AND CONVERGENCE 3-3: STATIC CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 3-2. NOTE Receive the crosshatch pattern from the color bar Turn the unit on and let it warm up for at least 30 generator.
  • Page 18: Guide For Repairing

    AV-20FD22 GUIDE FOR REPAIRING MAJOR COMPONENTS LOCATION GUIDE IC101 IC701 TP901 IC601 TU001 CP101 AV PCB R449 TP401 J801 TP803 TP801 T501 CRT PCB FB401 VR502 FOCUS VOLUME SCREEN VOLUME MAIN PCB...
  • Page 19 AV-20FD22 IC DESCRIPTION OEC6063A Symbol Logic Function Function Negative power supply (Ground) X-RAY TEST Output X-RAY test output C-MOS RGB/COMP Output It changes "Rgb/Composite" picture signal for "DVD". C-MOS TV MUTE Output Volume muting output C-MOS EXT MUTE Output External picture/volume muting output...
  • Page 20: Troubleshooting Guide

    AV-20FD22 TROUBLESHOOTING GUIDE (TV SECTION) NO POWER(1) When it pushed Check of AT +8V line and AT POWER ON SW as for +5V line. LED is it lighted? Is the voltage at Check Q505 and associated pin1 of Q505 circuit.
  • Page 21 AV-20FD22 TROUBLESHOOTING GUIDE NO POWER(2) Change of F501. F501 OK? Is the voltage at Check D501 and associated pin8 of T501 circuit. DC170V? Is the voltage at pin1 of Change of T501. IC501 DC16V? Is the voltage at pin4 Change of IC501.
  • Page 22 AV-20FD22 TROUBLESHOOTING GUIDE NO SOUND INSERT CD301 & CD302. CD301&CD302 INSERT OK? Is the voltage at Check SOUND +B Line. pin1 of IC302 DC6.6V? Is the voltage at Check TV POWER H Line and pin5 of IC302 associated circuit. DC3.9V? Check Q301 and A_MUTE Line.
  • Page 23 AV-20FD22 TROUBLESHOOTING GUIDE NO PICTURE Is the setting of BRIGHT is adjusted to center, the BRIGHT center CONTRAST is adjusted to max. and CONTRAST max? Is the voltage at Check P.CON+9V Line. pin23,36,53 of IC601 DC9V? Is the voltage at Check CHROMA+5V Line.
  • Page 24 AV-20FD22 TROUBLESHOOTING GUIDE NO COLOR Is the setting of the Adjust the COLOR setting. COLOR central? Is the receiving of Receive the color signal. the color signal? Is the waveform at Check X601 associated circuit. pin42 of IC601 normal? Check IC601 and associated...
  • Page 25 AV-20FD22 TROUBLESHOOTING GUIDE NO VERTICAL Is the normal signal Check IC601 associated output to 34PIN of circuit. IC601? Is the normal signal Check R449 and Q401. input in the base of Q405? Is the normal signal Check FB401 and associated output to 9PIN of circuit.
  • Page 26 AV-20FD22 TROUBLESHOOTING GUIDE NO OSD Is there the waveform Check IC601 associated of 22,23 and also circuit. 24PIN of IC101? Is there the waveform Check IC601 associated of 20,21 and also circuit. 22PIN of IC601? Check the pin25 of IC101 and...
  • Page 27 AV-20FD22 TROUBLESHOOTING GUIDE (DVD SECTION) DVD DECK NO OPEN/CLOSE CHECK CHECK DISPLAY DVD CONNECTION CHECK CABLE CD811. OSD. CD811. CHECK MAIN PCB (P.CON 5V,PCON. 9V,P.CON 5V_D). POSSIBLE TO OPEN/CLOSE CHANGE DVD DECK. BY MECHANIC. REFER TO "INSTABILITY DVD DVD MODE STABILITY.
  • Page 28 AV-20FD22 TROUBLESHOOTING GUIDE DVD NO PICTURE CHECK CONNECTION CONNECTION TRY CD4002. AGAIN CD4002. CHECK DVD DECK CONNECTOR CHANGE DVD DECK. BEND OR SHORT? CHECK OSILLATION CHANGE X1001. OF X1001. CHECK OUTPUT SIGNAL CHANGE IC8501. IC8501 49,50PIN? CHANGE IC4001.
  • Page 29 AV-20FD22 TROUBLESHOOTING GUIDE DVD NO PLAY CHECK CHECK DVD DECK AFTER READING,CHECK CONNECTION CONNECTOR BEND OR "INCORRECT DISC"DISPLAY. CD4001. SHORT? CONNECTION TRY AGAIN CD4001. WHEN PLAY,CHECK THE CHANGE DVD DECK. DECK MOTOR TUCH. CHECK OUTPUT SIGNAL CHECK THE CIRCUIT IC8501 8,10,13PIN? AROUND IC701.
  • Page 30 AV-20FD22 TROUBLESHOOTING GUIDE INSTABILITY DVD MODE CHECK CONNECTION CONNECTION TRY AGAIN CD4002. CD4002. CHECK DVD DECK CHANGE DVD DECK. CONNECTOR BAND OR SHORT? CHECK CONNECTION CONNECTION TRY AGAIN CP8002,CP8003. CP8002,CP8003. CHANGE DVD DECK.
  • Page 31 AV-20FD22 TROUBLESHOOTING GUIDE CD NO PLAY WHEN READING, CHECK THE DECK CHANGE DVD DECK. MOTOR TURN. CHECK DVD DECK CHANGE DVD DECK. CONNECTOR BEND OR SHORT? CHECK INPUT SIGNAL CHECK CONNECTION CP4002 IC4001 3,5,6PIN? & AROUND THE CIRCUIT. CHANGE IC4001.
  • Page 32 AV-20FD22 AV-20FD22 AV-20FD22 STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS 1.SAFETY The Components identified by the symbol are critical for safety. For continued safety, replace safety critical components only with manufacturer’s recommended parts. 2.INDICATION OF PARTS SYMBOL [EXAMPLE] In the PC board...
  • Page 33: Semiconductor Base Connections

    AV-20FD22 AV-20FD22 SEMICONDUCTOR BASE CONNECTIONS STEREO DIODE CATHODE ANODE ANODE CATHODE 1SS133T-77 11E1N-TA1B2 10ELS2N-TA1B2 1SS355 TE-17 SLR-342VCT32 FMV-3FULF027-102 GBL06L-6177 AU02A-EIC 11ES1-EIC 10ELS6-TA2B5 MTZJ10B T-77 SB040-G3 1N4005-EIC MTZJ11B T-77 21DQ09N-TA2B1 MTZJ27B T-77 RMPG06J-G3 MTZJ30B T-77 RU2AM-EIC MTZJ5.1B T-77 SB140-EIC TV POWER MTZJ5.6B T-77...
  • Page 34: Tv Block Diagram

    AV-20FD22 AV-20FD22 BLOCK DIAGRAM TV BLOCK DIAGRAM FROM OPERATION BLOCK RESET IC102 PST600C AT+5V TU001 VOL UP MAIN IC101 OEC6063A VOL DOWN X101 16MHz Q103 CH UP H.BUFFER Q205 Q105 PRE AMP CH DOWN BUFFER SAW FILTER FROM DVD BLOCK...
  • Page 35: Dvd Block Diagram

    AV-20FD22 AV-20FD22 DVD BLOCK DIAGRAM AUDIO SW TO TV BLOCK IC8504 SN74LV4052APW Q7013, Q7005 SPDIF(CD) DVD REQ J7002 LINE DRIVER COAXIAL SPDIF(DVD) DIGITAL OUT DVD ROM DRIVE DVD ERR,DVD SOS,DVD VALID,DVD STB DVD: "L" DVD/CD CD : "H" ZERO DVD DATA (0-7)
  • Page 36: Power Block Diagram

    AV-20FD22 AV-20FD22 POWER BLOCK DIAGRAM Q504 RELAY DEGAUSS_H DRIVER Q154, Q155, Q156 P.CON+3.3V DEGAUSS RELAY +5V REG. P.CON+3.3V RY501 IC154 KIA7805API Q153 P.CON 5V P.CON+D5V DRIVER Q158, Q159, Q160 P.CON+3.3V P.CON+3.3V_A Q150 +5.6V REG. AT+5.6V Q151 P.CON+5V P.CON+A5V TRANSFORMER DRIVER...
  • Page 37: Wiring Connection Diagram

    AV-20FD22 AV-20FD22 WIRING CONNECTION DIAGRAM INTERCONNECTION DIAGRAM COMMAND TRANSMITTER TM101 OS101 Vout HEADPHONE OPERATION PCB J301 PCB030 CAUTION: SINCE THESE PARTS MARKED BY TEAA65 CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY TO OS751 ATTENTION: LES PIECES REPAREES PAR UN...
  • Page 38 AV-20FD22 AV-20FD22 Circuit Diagram [ SYSCON PWB(MPEG) CIRCUIT DIAGRAM ] MPEG SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO LOADER CP4001 R4001 CD4001 IMSA-9615S-26C-P DVDDAT7 SDT7 C4007 2S0Q0901 DVDDAT6 SDT6 0.001 B FROM/TO VIDEO ENCORDER DVDDAT5 C4008 SDT5 P.CON+3.3VA 6.3V DVDDAT4 SDT4 DGND...
  • Page 39: Sdram Schematic Diagram

    AV-20FD22 AV-20FD22 [ SYSCON PWB(SDRAM) CIRCUIT DIAGRAM ] SDRAM SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO MPEG S-DRAM IC4002 HY57V161610DTC-8 MD15 I/O15 I/O0 MD14 MA10 I/O14 I/O1 MA11 MCS0# VSSQ VSSQ MRAS# MPCLK MD13 MCAS# I/O13 I/O2 MWE# MDQM MD12 I/O12 I/O3...
  • Page 40: Syscon Schematic Diagram

    AV-20FD22 AV-20FD22 [ SYSCON PWB(SYSCON) CIRCUIT DIAGRAM ] SYSCON SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO VIDEO ENCORDER B1001 N2012ZP600T25 DVD_RESET MUTE P.CON+3.3V P.CON+D5V DGND RESET MPGSTBY EEPROM IC1006 BR24C01AF-WE2 SSC-MRST SSC-MTSR CD/DVD TEST R1004 4.7K R1005 NC NC NC NC NC...
  • Page 41 AV-20FD22 AV-20FD22 [ SYSCON PWB(VIDEO ENCODER) CIRCUIT DIAGRAM ] VIDEO ENCORDER SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO MPEG FROM/TO POWER P.CON+3.3VA DGND P.CON+3.3V.MP P.CON+3.3V CP8501_1 AMCLK IMSA-9604S-18Z14 CLK27 ABCLK ALRCLK SPDIF-DVD SSC-MRST SSC-MRST ASDAT0 YUV0 YUV0 SSC-MTSR SSC-MTSR TTXDAT C8514 YUV1...
  • Page 42: Power Schematic Diagram

    AV-20FD22 AV-20FD22 [ AV PWB(POWER) CIRCUIT DIAGRAM ] POWER SCHEMATIC DIAGRAM (AV PCB) DIGITAL AUDIO SIGNAL(PB) PLAYBACK LUMINANCE SIGNAL CAUTION: SINCE THESE PARTS MARKED BY ATTENTION: LES PIECES REPAREES PAR UN ETANT NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME...
  • Page 43 AV-20FD22 AV-20FD22 [ AV PWB(MICON/TUNER) CIRCUIT DIAGRAM ] MICON /TUNER SCHEMATIC DIAGRAM FROM/TO DEFLECTION (AV PCB) TU001 TECC1040PG32D CD403 CP101 TKC-M06X-A1 I2C SCL R005 I2C SDA I2C_OFF I2C OFF R174 TUNER_AGC FROM/TO I/O TV/DVD EXT_MUTE RESET IC102 PST600C FROM/TO VIF/SIF/CHROMA...
  • Page 44 AV-20FD22 AV-20FD22 [ AV PWB(VIF/SIF/CHROMA) CIRCUIT DIAGRAM ] VIF/SIF/CHROMA SCHEMATIC DIAGRAM (AV PCB) L601 L203 100uH 0305 100uH 0305 EXT AUDIO DRV. Q204 2SC2412K R220 R226 C227 FROM/TO POWER DVD_GND R204 T.V.BUF. EW_OUT 3.3K R205 Q203 V.OUT 2SC2412K W849 L201...
  • Page 45: Sound Amp Schematic Diagram

    AV-20FD22 AV-20FD22 [ AV PWB(SOUND AMP) CIRCUIT DIAGRAM ] SOUND AMP SCHEMATIC DIAGRAM (AV PCB) SOUND_AMP IC302 AN7522 C307 C348 0.01 0.01 HS301 763WAA0199 L CH CP301 CD301 SPEAKER TID-X02P-M1 CU123801 SP OUT L+ SP351 MSF-18D5SB05-02 SP OUT L- R CH...
  • Page 46: I/O Schematic Diagram

    AV-20FD22 AV-20FD22 [ AV PWB(I/O AMP) CIRCUIT DIAGRAM ] I/O SCHEMATIC DIAGRAM (AV PCB) MUTE SW Q7005 DTA114EKA MUTE SW Q7007 FROM/TO AV SW 2SC2412K R7025 MONITOR_A_L MUTE SW MUTE SW Q7004 2.2K Q7008 MONITOR_A_R 2SC2412K 2SC2412K R7014 R7020 R7026 DVD_A_L 2.2K...
  • Page 47 AV-20FD22 AV-20FD22 [ AV PWB(AV SW) CIRCUIT DIAGRAM ] AV SW SCHEMATIC DIAGRAM (AV PCB) R8008 1/2W FRONT AUDIO(R) J8001 AV1-15DS-2 C8007 R8015 BUFFER Q8002 2SC2412K FRONT AUDIO(L) J8002 AV1-15DS-4 C8008 R8016 BUFFER Q8003 2SC2412K FRONT VIDEO J8003 AV1-15DS-3 FROM/TO POWER L701 P.CON+9V...
  • Page 48 AV-20FD22 AV-20FD22 [ AV PWB(COMB FILTER) CIRCUIT DIAGRAM ] COMB FILTER SCHEMATIC DIAGRAM (AV PCB) C758 C765 FROM/TO AV SW 27P CH 0.47 R762 W858 MONITOR_V BUFFER Q753 2SA1037AK FROM/TO POWER P.CON+9V L755 P.CON+A5V 100uH 0305 W831 W863 A.VSS BIAS1 TEST D.VCC...
  • Page 49 AV-20FD22 AV-20FD22 [ AV PWB(STEREO) CIRCUIT DIAGRAM ] STEREO SCHEMATIC DIAGRAM (AV PCB) FROM/TO MICON/TUNER R911 1/4W R912 1/4W TU.AU-L TP901 FROM/TO AV SW TUNER_A_L TUNER_A_R FROM/TO VIF/SIF/CHROMA TU_AUDIO IIC Decoder St.PLL OUT SW Pilot Input Cancel Switch L-R Filter...
  • Page 50: Operation Schematic Diagram

    AV-20FD22 AV-20FD22 [ OPERATON PWB CIRCUIT DIAGRAM ] OPERATION SCHEMATIC DIAGRAM (OPERATION PCB) OS751 PIC-28143TC5 FROM/TO MICON/TUNER CP751 CD751 IMSA-9604S-06Z13 2S062101 REMOCON OUT R757 AT+5.6V 2701/4W POWER ON LED R751 R752 R754 R755 R756 KEY A 8201/4W 1K1/4W 1.5K 1/4W 2.7K 1/4W...
  • Page 51: Tv Power Schematic Diagram

    AV-20FD22 AV-20FD22 [ MAIN PWB(TV POWER) CIRCUIT DIAGRAM ] TV POWER SCHEMATIC DIAGRAM (MAIN PCB) FBT+12V DEGAUSS_H TV.POWER_H R528 126.1 126.9 P.CON+30V 68K 1/2W 6.3A 125V 2.5A 125V 126.7 +B 130V DRIVE 130V DRIVE R531 Q503 126.9 Q509 RELAY DRIVE...
  • Page 52: Deflection Schematic Diagram

    AV-20FD22 AV-20FD22 [ MAIN PWB(DEFLECTION) CIRCUIT DIAGRAM ] DEFLECTION SCHEMATIC DIAGRAM (MAIN PCB) V.OUTPUT AN5522 IC401 THERMAL PROTECTION FROM/TO MICON/TUNER TO DY CP403 PUMP UP CP401 003P-2100 B06B-DVS 26.3 12.5 25.9 FROM/TO POWER CP820B 52147-1210 C412 H.OUT 500V P.CON+30V R412 R427 V.OUT...
  • Page 53: Crt Schematic Diagram

    AV-20FD22 AV-20FD22 [ CRT PWB CIRCUIT DIAGRAM ] CRT SCHEMATIC DIAGRAM (CRT PCB) FROM VIF/SIF/CHROMA RED AMP TP801 Q807 CP850B 2SC1740SP R807 52147-0510 RED AMP Q804_1 2.7K 1/4W 150.0 2SC2621 R.OUT G.OUT R804 B.OUT 220 1/4W CLAMP R814 1.8K 1/4W 132.5...
  • Page 54: Pattern Diagrams

    AV-20FD22 AV-20FD22 PATTERN DIAGRAMS [ SYSCON PWB PATTERN ] (TOP SIDE) ( BOTTOM SIDE) CP8501_1 C4018 IC4002 IC8504 B4002 C4019 C4010 R4027 R1014 C1010 C4005 R1018 R1011 R1009 R1010 C4014 R1004 C4003 C1001 C1008 C4002 R1005 C1002 IC8503 IC1001 C1009...
  • Page 55 AV-20FD22 AV-20FD22 [ AV PWB PATTERN(INSERTED PARTS) ] SOLDER SIDE C319 C347 CP8001 CP301 J301 W005 IC302 R337 CP104 L302 HS301 W217 W173 HS150 R180 B301 D155 W054 D150 R153 W810 W021 IC153 Q151 IC152 Q150 Q157 W082 W244 W859...
  • Page 56 AV-20FD22 AV-20FD22 [ AV PWB PATTERN(CHIP MOUNTED PARTS) ] SOLDER SIDE C351 C642 Q8002 R226 Q202 Q204 C8009 Q203 C617 IC902 C628 Q8003 C8010 R611 C626 R617 C204 R004 R627 C619 R629 C779 Q7014 C774 IC602 R218 Q604 Q205 C7049...
  • Page 57 AV-20FD22 AV-20FD22 [ MAIN/CRT PWB PATTERN ] C412 D515 CP810B R511 R420 R529 R514 IC401 HS401 Q508 R526 CP403 R524 W019 Q502 R504 D536 CP820B W031 VR502 Q501 D401 R412 R427 R423 R425 W803 FH504 W001 R417 D410 HS502_1 W814...
  • Page 58 AV-20FD22 AV-20FD22 [ OPERATION PWB PATTERN ] SW751 SW753 SW756 SW754 SW755 SW752 D751 R751 R756 R755 R754 R757 R752 Q751 CP751 R753 No.51821 No.51821 2-51 2-52...
  • Page 59 AV-20FD22 AV-20FD22 WAVEFORMS MPEG VIF/SIF/CHROMA SDRAM MICON/TUNER SOUND AMP VIDEO ENCODER IN/OUT NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 60 AV-20FD22 3$576 /,67 &$87,21 „ 7KH SDUWV LGHQWLILHG E\ WKH V\PERO DUH LPSRUWDQW IRU WKH VDIHW\  :KHQHYHU UHSODFLQJ WKHVH SDUWV EH VXUH WR XVH VSHFLILHG RQHV WR VHFXUH WKH VDIHW\  „ 7KH SDUWV QRW LQGLFDWHG LQ WKLV 3DUWV /LVW DQG WKRVH ZKLFK DUH ILOOHG ZLWK OLQHV  LQ WKH 3DUWV 1R FROXPQV ZLOO QRW EH VXSSOLHG  „...
  • Page 61: Mechanical Replacement Parts List

    AV-20FD22 MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION X-A58702Q720 CABINET,FRONT ASSY X-8117540A64 SCREW,TAPPING(B0) TRUSS 4x16 X-7230007172 SHEET,IC X-8117540804 SCREW,TAPPING(B0) TRUSS X-713WPA0144 GLASS,LED X-8121J50B54 SCREW,TAPPING(B0) GW20 5x28 X-761WPA0223 HOLDER,FBT X-8110630A04 SCREW,TAP TITE(P) BRAZIER 3x10...
  • Page 62: Mechanical Exploded View

    AV-20FD22 MECHANICAL EXPLODED VIEW J801 PCB110 (CRT PCB) L503 X-028R20024 X-043221017R FB401 V801 X-098W210428 PCB070 (MAIN PCB) SP352 X-070W546003 PCB030 (OPERATION PCB) SP351 X-070W546003...
  • Page 63 AV-20FD22 MECHANICAL EXPLODED VIEW DK4001 PCB010 (SYSCON PCB) TU001 X-0145K00055 PCB250 (AV PCB)
  • Page 64: Electrical Replacement Parts List

    AV-20FD22 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS RESISTORS R003 X-R801R7101J 100 OHM 1/10W R219 X-R801R7560J OHM 1/10W R004 X-R801R7101J 100 OHM 1/10W R220 X-R801R7101J 100 OHM 1/10W R005 X-R801R7153J 15K OHM 1/10W...
  • Page 65 AV-20FD22 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS RESISTORS R503 X-R002T4332J 3.3K OHM 1/4W R755 X-R002T4272J 2.7K OHM 1/4W R504 X-R002T4471J 470 OHM 1/4W R755 X-R801R7821J 820 OHM 1/10W R505 X-R3X28B333J R,METAL OXIDE...
  • Page 66 AV-20FD22 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS RESISTORS R4016 X-R803R9181J 180 OHM 1/16W R8016 X-R801R7102J OHM 1/10W R4017 X-R803R9181J 180 OHM 1/16W R8017 X-R002T4750J OHM 1/4W R4018 X-R803R9181J 180 OHM 1/16W...
  • Page 67 AV-20FD22 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION CAPACITORS CAPACITORS C227 X-E02LU2470M UF 16V C510 X-E5EZT5470M UF 50V C301 X-E02LU2101M 100 UF 16V C512 X-C0JTB05H2K 220 PF 500V B C302 X-E50HU52R2M 2.2 UF 50V...
  • Page 68 AV-20FD22 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION CAPACITORS CAPACITORS C759 X-CS0RB0414K 0.01 UF 50V B C7002 X-CS0RB04Q2K 470 PF 50V B C760 X-CS0RB0414K 0.01 UF 50V B C7003 X-E02L02471M 470 UF 16V...
  • Page 69 AV-20FD22 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION CAPACITORS C8534 X-E50HU0470M UF 6.3V IC101 X-I55D06063A OEC6063A C8535 X-CS0PF0315Z 0.1 UF 25V F IC102 X-I9UJ0T600C PST600C C8536 X-E50HU0220M UF 6.3V IC152 X-I1KA97805A KIA7805API C8537 X-E50HU0220M UF 6.3V...
  • Page 70 AV-20FD22 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION TRANSISTORS JACKS Q804 X-TC3Q026210 TRANSISTOR,SILICON 2SC2621(D,E)-RAC J8002 X-060Q421022 RCA JACK AV1-15DS-4 Q805 X-TC3Q026210 TRANSISTOR,SILICON 2SC2621(D,E)-RAC J8003 X-060Q421021 RCA JACK AV1-15DS-3 Q806 X-TC3Q026210 TRANSISTOR,SILICON 2SC2621(D,E)-RAC SWITCHES...
  • Page 71 AV-20FD22 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION MISCELLANEOUS CP8003X-069J7I0029 CONNECTOR PCB SIDE IMSA-9604S-18Z14 CP8004X-067R011019 WIRE HOLDER 51048-1110 CP8005X-067R012019 WIRE HOLDER 51048-1210 CP8006X-067R005019 WIRE HOLDER 51048-0510 CP803 X-067R105019 WIRE HOLDER 51052-0500 CP803B X-067R105019 WIRE HOLDER 51052-0500 CP810B X-069R2B0589...
  • Page 72: Accessory Replacement Parts List

    AV-20FD22 1, 7, 8, 9, 10, 11, 12 ACCESSORY REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION RM-C394G TRANSMITTER X-791WHA0085 LAMIFILM,BAG X-792WHA0315 PACKAGE,TOP X-792WHA0316 PACKAGE,BOTTOM X-793WCD1340 GIFT BOX X-A58702R975 INSTRUCTION BOOK KIT X-JB5KD500 POLYBAG X-J5500112 GUARANTEE CARD X-J5500115 SERVICE STATION LIST...
  • Page 73 JVC SERVICE & ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP. Head office : 1700 Valley Road, Wayne, New Jersey 07470 (973)315-5000 East Coast : 10 New Maple Avenue, Pine Brook, New Jersey 07058 (973)396-1000 Midwest 705 Enterprise St. Aurora, Illinois 60504...

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