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JVC AV-20FD22 Service Manual

JVC AV-20FD22 Manual Online:

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JVC AV-20FD22 User Manual
JVC AV-20FD22 User Guide
JVC AV-20FD22 Online Manual

Text of JVC AV-20FD22 User Guide:

  • JVC AV-20FD22, 8 AV-20FD22 DISASSEMBLY INSTRUCTIONS 1-5: FRONT TRAY PLATE/TOP SHIELD (Refer to Fig. 1-5) 1. 2. 3. Remove the Front Tray Plate in the direction of arrow (A). Remove the 9 screws 1. Remove the Top Shield in the direction of arrow (B). Front Tray Plate 1 1 1 1 1 1 1 1 1 Top Shield DVD Block Fig. 1-5 1-6: AV PCB/SYSCON PCB/CD DECK (Refer to Fig. 1-6) 1. 2. 3. 4. 5. 6. 7. 8. 9. Remove the 3 screws 1. Remove the AV PCB in the direction of arrow (A). Remove the 4 screws 2. Remove the Angle Deck in the direction of arrow (B). Disconnect the following connectors: (CP4001 and CP4002). Remove the 4 screws 3. Remove the CD Deck in the direction of arrow (C). Remove the 4 screws 4. Rem

  • JVC AV-20FD22, 19 AV-20FD22 IC DESCRIPTION OEC6063A No. Symbol I/O Logic Function Function 1 VSS - - Negative power supply (Ground) 2 X-RAY TEST Output 1 X-RAY test output C-MOS 3 RGB/COMP Output - It changes "Rgb/Composite" picture signal for "DVD". C-MOS 4 TV MUTE Output 1 Volume muting output C-MOS 5 EXT MUTE Output 1 External picture/volume muting output C-MOS 6 DVD RESET Output 0 Enforced reset output for DVD C-MOS 7 TV POWER Output 1 Power control output C-MOS 8 VOLUME PWM Output - Puls width modulation output for the volume control C-MOS 9 UART CLOCK Output - The asynchronous clock output C-MOS 10 UART START BIT Input - The entry for the asynchronous Start bit detection C-MOS

  • JVC AV-20FD22, AV-20FD22 AV-20FD22 No.51821 No.51821 2-3 2-4 BLOCK DIAGRAM HV F S DY801 FBT 1 V801 CRT 9 FB401 CHROMA/IF IC601 TB1253N 14 15 34 16 X601 3.579545MHz 10 25 12 24 31 Q406 H.OUT Q405 H.DRIVE V.OUT IC401 AN5522 3 1 Q109 BUFFER 38 33 6 7 9 R.OUT G.OUT B.OUT SAW FILTER CF203 54 1 Q205 IF TU001 11 54 SDA SCL 1 AGC PRE AMP Q103 H.BUFFER Q105 BUFFER *B *C 51 20 22 21 55 45 42 SPEAKER SP302 SPEAKER SP301 SOUND AMP IC302 AN7522 9 6 8 2 4 12 10 HEADPHONE J301 SOUND+B Q301 MUTE VIDEO SW IC602 LA7151M 1 10 3 6 5 8 *C COMB FILTER IC751 TC90A45P 15 4 10 *B *D 13 Q751, Q752 BUFFER Q754 BUFFER Y DEGITAL

  • JVC AV-20FD22, AV-20FD22 No.51821 No.51821 AV-20FD22 2-5 2-6 SSC FROM_SYSCON(SCLK) TO_SYSCON(ATN/,HRST) VIDEO ENCODER IC8501 BT865AKRF SDRAM IC4002 HY57V161610 EEPROM IC1006 BR24C01 AUDIO DAC IC8503 PCM1716E DVD BLOCK DIAGRAM CS0/CS1/RAS/CAS/WE/DOM/CLS ADDRESS BUS (MA0-11) DVD ROM DRIVE CD DATA (ERR, FRM, DAT, CLK) DVD DATA (0-7) DVD ERR,DVD SOS,DVD VALID,DVD STB DVD REQ X4001 27MHz *E*D *A *A *A MPEG IC4001 MD36710X DE-EMPHASIS(GENERAL-PURPOSE PORT) AMCLK, ABCLK, ALRCLK, ASDATA VSYNC/.HSYNC/.CLK27 YUVO-7 *C *B ZERO L R CVBS Y C ANALOGUE AUDIO OUT ANALOGUE YC OUT AUDIO

  • JVC AV-20FD22, 2 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: Type 20 (508 mm diagonal) Tuner type: Quartz PLL Frequency Synthesized Receiving channels: VHF 2-13 UHF 14-69 CATV 14-36 (A)-(W) 37-59 (AA)-(WW) 60-85 (AAA)-(ZZZ) 86-94 (86)-(94) 95-99 (A-5)-(A-1) 100-125 (100)-(125) 01 (5A) Antenna input: VHF/UHF In 75 ohm coaxial Speaker: 3" (76 mm), 8 ohm x 2 Audio output power: 2.5W + 2.5W DVD/CD player Signal system: NTSC Applicable di

  • JVC AV-20FD22, 21 AV-20FD22 TROUBLESHOOTING GUIDE NO POWER(2) Change of F501. YES Is the voltage at pin8 of T501 DC170V? NO YES NO YES NO YES NO Change of T501. Check IC501 and associated circuit and change of Q505. F501 OK? Check D501 and associated circuit. Is the voltage at pin4 of IC501 DC18V and pin5 2V? Change of IC501. YES NO Check I503 and associated circuit. Is the voltage at pin1 of IC501 DC16V? Is the voltage at pin1 of Q505 DC7.3V?

  • JVC AV-20FD22, 5 AV-20FD22 IMPORTANT SAFEGUARDS 1. 2. 3. 4. 5. 6. 7. 8. 8A. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 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. FOLLOW INSTRUCTIONS All operating and use instructions should be followed. CLEANING Unplug this unit from the

  • AV-20FD22 No.51821 No.51821 AV-20FD22 2-49 2-50 [ MAIN/CRT PWB PATTERN ] 0 Q505 C 50 8 C515 C506 FH502 FH501 C505 R542 CP502 C509 F501 R543 HS501 D501 C507 D517 R541 RY501 R503 R505 D521 D518 R506 D512 C521 ICP501 B504 IC503 ICP504 C519 Q508 ICP502 D510 F502 FH503 FH504 D509 R519 Q510 R520 R518 C516 C538 R534 D505 R521 W014 Q509 C534 R526 D508 D504 W008 R511 R528 R531 W011 W013

  • 32 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

  • JVC AV-20FD22, 44 AV-20FD22 1, 7, 8, 9, 10, 11, 12 3 2 4 5 ACCESSORY REPLACEMENT PARTS LIST REF. NO . PART NO. DESCRIPTION 1 RM-C394G TRANSMITTER 2 X-791WHA0085 LAMIFILM,BAG 3 X-792WHA0315 PACKAGE,TOP 4 X-792WHA0316 PACKAGE,BOTTOM 5 X-793WCD1340 GIFT BOX 6 X-A58702R975 INSTRUCTION BOOK KIT 7 X-JB5KD500 POLYBAG 8 X-J5500112 GUARANTEE CARD 9 X-J5500115 SERVICE STATION LIST 10 X-J5500117 REGISTRATION CARD 11 X-J5501202 GUARANTEE CARD 12 X-J5870201 INSTRUCTION BOOK

  • AV-20FD22 No.51821 No.51821 AV-20FD22 2-37 2-38 [ MAIN PWB(TV POWER) CIRCUIT DIAGRAM ] A B C D E F G H A B C D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 D515 MTZJ30B D534 MTZJ10B D528 MTZJ5.6B W810 W803 W822 W831 Q503 2SC4160 -OEC-YAC1 +B 130V DRIVE Q510 2SC2909 130V SWITCH Q502 KTC3198 SWITCH Q504 KTC3198 RELAY DRIVE Q507 KTC3198 FEED BACK SWITCHING Q508 2SD1246 SWI

  • JVC AV-20FD22, 29 AV-20FD22 TROUBLESHOOTING GUIDE DVD NO PLAY Yes No CHECK CONNECTION CD4001. Yes No CONNECTION TRY AGAIN CD4001. No WHEN PLAY,CHECK THE DECK MOTOR TUCH. No CHANGE DVD DECK. Yes Yes No CHECK OUTPUT SIGNAL IC8501 8,10,13PIN? REFER TO"DVD NO PICTURE". CHECK THE CIRCUIT AROUND IC701. AFTER READING,CHECK "INCORRECT DISC"DISPLAY. CHECK DVD DECK CONNECTOR BEND OR SHORT?

  • JVC AV-20FD22, 3 AV-20FD22 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. USE OF CONTROLS, ADJUSTMENTS OR THE PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE. TO PREVENT DIRECT EXPOSURE TO LASER BEAM, DO NOT TRY TO OPEN THE ENCLOSURE. VISIBLE LASER RADIATION MAY BE PRESENT WHEN THE ENCLOSURE IS OPENED. DO NOT STARE INTO BEAM. Location of the required Marking The

  • JVC AV-20FD22, AV-20FD22 No.51821 No.51821 AV-20FD22 2-9 2-10 WIRING CONNECTION DIAGRAM A B C D E F G H A B C D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 CP401 1 2 3 4 5 6 CP801 1 2 3 CP820B 1 10 11 12 2 3 4 5 6 7 8 9 CP8005 1 10 11 12 2 3 4 5 6 7 8 9 S501 S502 BLACK WHITE BLADE WIDE CD501 AC120V 60Hz EE H1NCH1H2 J7003 REAR A/V IN JACK 1 2 34 5 6 H1H1 H2 EE J7002 REAR A/V OUT JACK 1 2 3 4 5 CP810B 1 10 11 2 3 4 5 6 7 8 9 CP8004 1 10 11 2 3 4 5 6 7 8 9 CP803B 1 2 3 4 5 CP803A 1 2 3 4 5 CP8006 1 2 3 4 5 CP850B 1 2 3 4 5 6 5 4 3 2 1 CP751 6 5 4 3 2 1 CP104 6 5 4 3 2 1 CP811 6 5 4 3

  • JVC AV-20FD22, 37 AV-20FD22 REF . NO . PART NO . DESCRIPTION REF . NO . PART NO . DESCRIPTION RESISTORS RESISTORS R503 X-R002T4332J RC 3.3K OHM 1/4W R755 X-R002T4272J RC 2.7K OHM 1/4W R504 X-R002T4471J RC 470 OHM 1/4W R755 X-R801R7821J RC 820 OHM 1/10W  R505 X-R3X28B333J R,METAL OXIDE 33K OHM 3W R756 X-R002T4682J RC 6.8K OHM 1/4W R506 X-R002T4182J RC 1.8K OHM 1/4W R756 X-R801R7821J RC 820 OHM 1/10W R508 X-R002T4431J RC 430 OHM 1/4W R757 X-R002T4271J RC 270 OHM 1/4W  R509 X-R65584010J R,FUSE 1 OHM 1/4W R757 X-R801R7681J RC 680 OHM 1/10W R511 X-R002T4102J RC 1K OHM 1/4W R759 X-R801R7470J RC 47 OHM 1/10W R514 X-R002T4681J RC 680 OHM 1/4W R760 X-

  • JVC AV-20FD22, 10 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. Press both the STOP key and remocon keys simultaneously for more than 3 seconds. Set Key Remocon Key Operations Initialization of the factory on TV. NOTE: No operation at DVD mode. Do not use this for the normal servicing. Initialization of the factory on DVD. NOTE: The operation will work only wi

  • JVC AV-20FD22, 11 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. Diagnosis Items Diagnosis Method/Result Assumed Defects 1. FL CHECK "FL" will appear on the TV Monitor. Then all indicators will turn on and go out. All light up (3 seconds) ---> All go out (1 second) ---> All light up al

  • JVC AV-20FD22, 13 AV-20FD22 ELECTRICAL ADJUSTMENTS 1. Read and perform these adjustments when repairing the circuits or replacing electrical parts or PCB assemblies. CAUTION • • • • Use an isolation transformer when performing any service on this chassis. Before removing the anode cap, discharge electricity because it contains high voltage. When removing a PCB or related component, after unfastening or changing a wire, be sure to put the wire back in its original position. Inferior silicon grease can damage IC's and transistors. When replacing IC's and transistors, use only specified silicon grease. Remove all old silicon before applying new

  • AV-20FD22 AV-20FD22 No.51821 No.51821 2-11 2-12 Circuit Diagram [ SYSCON PWB(MPEG) CIRCUIT DIAGRAM ] A B C D E F G H A B C D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 B4001 N2012ZP600T25 R4015 180 R4014 180 R4006 100 R4018 180 R4017 180 R4016 180 R4007 180 R4013 180 R4005 180 R4012 4.7K R4011 4.7K R4003 4.7K R4002 4.7K R4020 4.7K R4010 100 R4009 180 R4008 180 R4004 4.7

  • JVC AV-20FD22, 20 AV-20FD22 TROUBLESHOOTING GUIDE NO POWER(1) (TV SECTION) Check of AT +8V line and AT +5V line. YES Is the voltage at pin1 of Q505 DC7.3V? NO YES NO YES NO YES NO Q510,Q509,Q503 OK? Check Q510,Q509,Q503 and TV POWER H Line. Check IC501 and associated circuit. When it pushed POWER ON SW as for LED is it lighted? Is the voltage at pin34 of IC101 DC4.7V? Check Q505 and associated circuit. Check IC101 and associated circuit.

  • JVC AV-20FD22, AV-20FD22 No.51821 No.51821 AV-20FD22 2-41 2-42 [ CRT PWB CIRCUIT DIAGRAM ] A B C D E F G H A B C D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 CP803B 51052-0500 1 2 3 4 5 CP850B 52147-0510 1 2 3 4 5 TM101 EUR524344 BT001 R6P(AR)XICI BT002 R6P(AR)XICI L804 150uH 0607 L802 150uH 0607 L803 150uH 0607 F J801 CVT3275-5101 1 10 11 4 5 6 7 8 9 CP801 TS-80P-03-V1 1 2 3 R.SIGNAL G.SIGNAL B.SIGNAL CP807 005P-2100 1 TP803 TP801 TP802 W877 Q808 2SC1740SP GREEN AMP Q809 2SC1740SP BLUE AMP Q804_1 2SC2621 RED AMP Q807 2SC1740SP RED AMP Q805_1 2SC2621 GREEN AMP Q806_1 2SC26

  • JVC AV-20FD22, 27 AV-20FD22 TROUBLESHOOTING GUIDE Yes No CHECK DISPLAY DVD OSD. DVD DECK NO OPEN/CLOSE CHECK CONNECTION CD811. No CHECK CABLE CD811. Yes CHECK MAIN PCB (P.CON 5V,PCON. 9V,P.CON 5V_D). Yes No Yes No REFER TO "INSTABILITY DVD MODE". DVD MODE STABILITY. CHANGE DVD DECK. CHANGE DVD DECK. (DVD SECTION) POSSIBLE TO OPEN/CLOSE BY MECHANIC.

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