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JVC AV-20N83/BK Service Manual

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SERVICE MANUAL
AV-20N83
AV-21D83
PICTURE
MUTING
BOOSTER
POWER
SYSTEM
CINEMA
COLOUR SOUND
SURROUND
ECO
DISPLAY
SENSOR
MENU
1 2
/
TV/VIDEO
1
2
3
OFF
TIMER
4
5
6
PICTURE
MODE
7
8
9
CHANNEL
RETURN+
SCAN
-/--
0
CHANNEL
VOLUME
RM-C1017
TV
RM-C1017-1H
RM-C1027-1H
[AV-20N83
]
[AV-21D83
]
/BK
/VT
[AV-21D83
]
[AV-20N83
]
/BK
/VT
CONTENTS
SPECIFICATIONS ....................................................................................................................................2
a
OPERATING INSTRUCTIONS (APPENDIX)
SAFETY PRECAUTIONS .........................................................................................................................3
FEATURES ..............................................................................................................................................4
FUNCTIONS .............................................................................................................................................5
SPECIFIC SERVICE INSTRUCTIONS ....................................................................................................6
SERVICE ADJUSTMENTS ....................................................................................................................16
a
STANDARD CIRCUIT DIAGRAM (APPENDIX) .................................................................................. 2-1
PARTS LIST ...........................................................................................................................................41
COLOUR TELEVISION
/BK
/BK
[AV-20N83
, AV-20N83
/BK
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
AV-21D83
AV-20N83
]
[AV-21D83
/VT
AV-20N83
AV-21D83
BASIC CHASSIS
CH
/VT
/VT
, AV-21D83
]
/BK
/VT
No. 52076
Dec. 2002

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Summary of Contents for JVC AV-20N83/BK

  • Page 1: Table Of Contents

    AV-20N83 AV-21D83 SERVICE MANUAL COLOUR TELEVISION BASIC CHASSIS AV-20N83 AV-21D83 AV-21D83 AV-20N83 PICTURE MUTING BOOSTER POWER SYSTEM CINEMA COLOUR SOUND SURROUND DISPLAY SENSOR MENU TV/VIDEO TIMER PICTURE MODE CHANNEL RETURN+ SCAN -/-- CHANNEL VOLUME RM-C1017 RM-C1017-1H RM-C1027-1H [AV-20N83 [AV-21D83 [AV-21D83 [AV-20N83 [AV-20N83 , AV-20N83...

  • Page 2: Specifications

    AV-20N83 AV-21D83 SPECIFICATIONS Contents Items AV-20N83 AV-21D83 AV-20N83 AV-21D83 Dimensions (W × H × D) 61.9cm × 45.8cm × 48.8cm 59.8cm × 46.8cm × 47.8cm 61.9cm × 45.8cm × 48.8cm Mass 19kg 21kg 18kg TV RF System B, G B, G, D, K, K1, M Colour System TV Mode PAL / SECAM...

  • Page 3: Safety Precautions

    AV-20N83 AV-21D83 SAFETY PRECAUTIONS 1. The design of this product contains special hardware, many circuits 8. When service is required, observe the original lead dress. Extra and components specially for safety purposes. For continued pro- precaution should be given to assure correct lead dress in the high tection, no changes should be made to the original design unless voltage circuit area.

  • Page 4: Features

    AV-20N83 AV-21D83 FEATURES s New chassis design enables use of an interactive on-screen control. s Built-in DIGITAL ECO MODE (ECONOMY, ECOLOGY). s Pure flat CRT produces fine textured picture in every detail. In accordance with the brightness in a room, the brightness and/or s Wide range voltage (110V ~ 240V) for AC power input.

  • Page 5: Functions

    AV-20N83 AV-21D83 FUNCTIONS FRONT PANEL [AV-20N83 , AV-20N83 MENU VOLUME POWER POWER CHANNEL L/MONO EXIT IN (VIDEO-3) [AV-21D83 , AV-21D83 MENU CHANNEL VOLUME L/MONO POWER POWER EXIT IN (VIDEO-3) REAR PANEL COMPONENT VIDEO-1 ( VIDEO-2 ) OUTPUT INPUT INPUT MONO MONO REMOTE CONTROL UNIT RM-C1017-1H...

  • Page 6: Specific Service Instructions

    AV-20N83 SPECIFIC SERVICE INSTRUCTIONS DISASSEMBLY PROCEDURE [AV-20N83 , AV-20N83 REMOVING THE REAR COVER 1. Unplug the power supply cord. Å ı 2. Remove the 6 screws marked and 4 screws marked as shown in Fig.1. 3. Withdraw the Rear cover toward you. [CAUTION] •...
  • Page 7 AV-20N83 PICTURE TUBE FRONT CABINET (X2) (X2) SPEAKER MAIN PWB (CRT SOCKET PWB) MAIN PWB (X2) SPEAKER (X2) REAR COVER (X6) Fig.1 No. 52076...
  • Page 8 AV-21D83 DISASSEMBLY PROCEDURE [AV-21D83 , AV-21D83 REMOVING THE REAR COVER 1. Unplug the power supply cord. Å ı 2. Remove the 7 screws marked and 4 screws marked as shown in Fig.1. 3. Withdraw the Rear cover toward you. [CAUTION] •...
  • Page 9 AV-21D83 PICTURE TUBE (X2) FRONT CABINET SPEAKER (X2) MAIN PWB (CRT SOCKET PWB) MAIN PWB (X2) SPEAKER (X2) REAR COVER A (X7) B (X4) Fig.1 No. 52076...
  • Page 10 AV-20N83 AV-21D83 REMOVING THE CRT CRT CHANGE TABLE * Replacement of the CRT should be performed by 2 or more persons. • After removing the rear cover, chassis etc., 1. Putting the CRT change table on soft cloth, the CRT change table should also be covered with such soft cloth (shown in Fig.
  • Page 11 AV-20N83 AV-21D83 REPLACEMENT OF MEMORY IC 1. MEMORY IC (6) User setting This TV uses the following memory IC. Check the user setting values in Table 2, and if setting value is Memory IC: IC1702 on MAIN PW Board different, set the correct value. The memory IC memorizes data for correctly operating the video For setting, refer to the OPERATING INSTRUCTIONS.
  • Page 12 AV-20N83 AV-21D83 SETTING OF SYSTEM CONSTANT SET Setting value Setting item Setting content AV-20N83 AV-21D83 AV-21D83 AV-20N83 MULTI TRIPLE SINGLE VIET SYSTEM SINGLE VIET COMB TILT EASTERN UKRANIAN RUSSIAN TEXT PAN EURO ARABK SUPER BASS E/ T LANGUAGE BILINGUAL B/B SOUND TUNER COLOUR AUTO LOCK 1MHz...
  • Page 13 AV-20N83 AV-21D83 USER SETTING VALUES Setting item Setting value SUB POWER CHANNEL POSITION 1 POSITION CHANNEL PRESET REFER TO OPERATING INSTRUCTIONS VOLUME 15 ± 2 TV/VIDEO COMPRESS (16:9) AUTO SHUTOFF CHILD LOCK BLUE BACK VIDEO-2 SET VIDEO LANGUAGE THAI [AV-20N83 , AV-21D83 only] VIET [AV-21D83...
  • Page 14 AV-20N83 AV-21D83 SERVICE MENU SETTING ITEMS Service menu Setting item Service menu Setting item 1. IF 1. VCO 5. PRESET 1. PSNS 2. DELAY POINT 2. ACL Do not adjust 3. MUS 4. MAT 2. VC 1. CUTOFF(R/G) 5. FCO 2.
  • Page 15 AV-20N83 AV-21D83 REPLACEMENT OF CHIP COMPONENT CAUTIONS 1. Avoid heating for more than 3 seconds. 2. Do not rub the electrodes and the resist parts of the pattern. 3. When removing a chip part, melt the solder adequately. 4. Do not reuse a chip part after removing it. SOLDERING IRON 1.

  • Page 16: Service Adjustments

    AV-20N83 AV-21D83 SERVICE ADJUSTMENTS ADJUSTMENT PREPARATION 1. You can make the necessary adjustments for this unit with either the remote control unit or with the adjustment equipment and parts as given below. 2. Adjustment with the remote control unit is made on the basis of the initial setting values, however, the new setting values which set the screen to its optimum condition may differ from the initial settings.
  • Page 17 AV-20N83 AV-21D83 ADJUSTMENT LOCATIONS MAIN PWB ASS'Y S783 S781 J773 J772 J771 J770 S784 S782 S780 FRONT S780 : MENU POWER SW S781 : CH– S782 : CH+ S783 : VOL– S901 CN001 S784 : VOL+ IC702 IC701 J801 J802 J803 J804 TU001 UPPER : FOCUS (F1)
  • Page 18 AV-20N83 AV-21D83 BASIC OPERATION IN SERVICE MENU 1. TOOL OF SERVICE MENU OPERATION Operate the SERVICE MENU with the remote control unit. 2. SERVICE MENU ITEMS With the SERVICE MENU,various settings (adjustments)can be made,and they are broadly classified in the following items of settings: •...
  • Page 19 AV-20N83 AV-21D83 SERVICE MENU SUB MENU 1. IF SERVICE MENU 1. IF 2. VC VCO (CW) ***** 3. DEF 4. VSM PRESET TOO HIGH 5. PRESET 1. VCO ABOVE REFERENCE 6. PLUG & PLAY (ON) BELOW REFERENCE 2. DELAY POINT TOO LOW 1-6 : SELECT DISPLAY : EXIT...
  • Page 20 AV-20N83 AV-21D83 ADJUSTMENTS B1 POWER SUPPLY Measuring Item Test point Adjustment part Description instrument Check of Signal B1 (pin 1) 1. Receive a black and white signal. generator GND (pin 5) 2. Connect a DC voltmeter between B1 and GND B1 POWER SUPPLY [CN00S...
  • Page 21 AV-20N83 AV-21D83 VC (VIDEO/CHROMA) CIRCUIT ADJUSTMENTS The setting (adjustment) using the remote control unit is made on the basis of the initial setting values. The setting values which adjust the screen to the optimum condition can be different from the initial setting values. •...
  • Page 22 AV-20N83 AV-21D83 Measuring Item Test point Adjustment part Description instrument Signal 2. DRIVE (R) Notes: Adjustment of WHITE generator DRIVE (G) • Proceed to the following adjustment after having completed the ad- BALANCE DRIVE (B) justment of LOW LIGHT WHITE BALANCE. Remote •...
  • Page 23 AV-20N83 AV-21D83 Measuring Item Test point Adjustment part Description instrument Remote 5. COLOUR [Method of adjustment without measuring instrument] Adjustment control unit Notes: • Proceed to the following adjustment after having completed the ad- COLOUR-I justment of SUB CONT. • Set PICTURE MODE (VSM) to “BRIGHT”. –...
  • Page 24 AV-20N83 AV-21D83 Measuring Item Test point Adjustment part Description instrument Adjustment Signal 6. TINT [Method of adjustment without measuring instrument] generator Notes: SUB TINT-I • Proceed to the following adjustment after having completed the Remote adjustment of SUB CONT. control unit •...
  • Page 25 AV-20N83 AV-21D83 DEFLECTION CIRCUIT ADJUSTMENTS The setting (adjustment) using the remote control unit is made on the basis of the initial setting values. The setting values which adjust the screen to the optimum condition can be different from the initial setting values. Note: Proceed to the following adjustment after having completed the adjustments of SUB BRIGHT and SUB PICTURE.
  • Page 26 AV-20N83 AV-21D83 Measuring Item Test point Adjustment part Description instrument Adjustment 2. VER. HEIGHT 9. Receive a PAL cross-hatch signal. Signal 13. V. ZOOM 10. Select 2. VER. HEIGHT with the MENU &/^ key. generator V. HEIGHT 11. Set the initial setting value of 2. VER. HEIGHT with the MENU */Tkey.
  • Page 27 AV-20N83 AV-21D83 Measuring Item Test point Adjustment part Description instrument 23. Select 7. EW-PIN with the MENU &/^ key. Adjustment 7. EW-PIN Signal 24. Set the initial setting value of 7. EW-PIN with the MENU */Tkey. generator SIDE PIN 25. Adjust 7. EW-PIN so that the first vertical lines at the left and right edges on the screen are straight.
  • Page 28 AV-20N83 AV-21D83 Measuring Item Test point Adjustment part Description instrument 32. Select 9. UP CORNER with the MENU &/^ key. Adjustment 9. UP CORNER Signal 10. DW CORNER 33. Set the initial setting value of 9. UP CORNER with the MENU generator */Tkey.
  • Page 29 AV-20N83 AV-21D83 [COMPRESS (16 : 9) : ON, fv: 50Hz mode ] Measuring Item Test point Adjustment part Description instrument Adjustment Signal 13. V. ZOOM 1. Receive a PAL cross-hatch signal of vertical frrequency 50Hz. generator 2. VER. HEIGHT 2. Select COMPRESS from the MENU and set COMPRESS to ON. V.
  • Page 30 AV-20N83 AV-21D83 [COMPRESS (16 : 9) : OFF, fv: 60Hz mode ] Measuring Item Test point Adjustment part Description instrument Adjustment Signal 1. VER. SLOPE 1. Receive a NTSC circle pattern signal of vertical frequency 60Hz. generator 2. Select 3. DEF from the SERVICE MENU. 3.
  • Page 31 AV-20N83 AV-21D83 Measuring Item Test point Adjustment part Description instrument Adjustment 2. VER. HEIGHT 9. Receive a NTSC cross-hatch signal. Signal 13. V. ZOOM 10. Select 2. VER. HEIGHT with the MENU &/^ key. generator V. HEIGHT 11. Set the initial setting value of 2. VER. HEIGHT with the MENU */Tkey.
  • Page 32 AV-20N83 AV-21D83 Measuring Item Test point Adjustment part Description instrument 23. Select 7. EW-PIN with the MENU &/^ key. Adjustment 7. EW-PIN Signal 24. Set the initial setting value of 7. EW-PIN with the MENU */Tkey. generator SIDE PIN 25. Adjust 7. EW-PIN so that the first vertical lines at the left and right edges on the screen are straight.
  • Page 33 AV-20N83 AV-21D83 Measuring Item Test point Adjustment part Description instrument 32. Select 9. UP CORNER with the MENU &/^ key. Adjustment 9. UP CORNER Signal 10. DW CORNER 33. Set the initial setting value of 9. UP CORNER with the MENU generator */Tkey.
  • Page 34 AV-20N83 AV-21D83 [COMPRESS (16 : 9) : ON, fV: 60Hz mode ] Measuring Item Test point Adjustment part Description instrument Signal 13. V. ZOOM 1. Receive a NTSC cross-hatch signal of vertical frrequency 60Hz. Adjustment generator 2. VER. HEIGHT 2. Select COMPRESS from the MENU and set COMPRESS to ON. 3.
  • Page 35 AV-20N83 AV-21D83 [VIDEO - 2 SET : COMPONENT, fv: 50/60Hz mode] Measuring Item Test point Adjustment part Description instrument Adjustment 5. HOR. POSITION 1. Receive a PAL circle pattern signal to VIDEO-2 terminal. Signal 2. Select VIDEO-2 SET from the MENU and set VIDEO-2 SET to generator H.
  • Page 36 AV-20N83 AV-21D83 PRESET SETTING • Do not adjust 5. PRESET in the SERVICE MENU as it requires no adjustment. [SUB MENU 5. PRESET] Setting item Variable range Initial setting value AV-20N83 AV-21D83 AV-21D83 AV-20N83 PSNS IFLH AFCW 00/01/10/11 50 – 95 READ STATUS —...
  • Page 37 AV-20N83 AV-21D83 PURITY ADJUSTMENT Note: The final adjustment of CONVERGENCE must be done after the FOCUS adjustment. (CONVERGENCE is changed by FOCUS adjustment.) When makes difference by FOCUS adjustment, should be WEDGE DEFLECTION reconfirming PURITY adjustment. YOKE 1. Demagnetize CRT with the demagnetizer. 2.
  • Page 38 AV-20N83 AV-21D83 CONVERGENCE ADJUSTMENTS STATIC CONVERGENCE ADJUSTMENT 1. Input a crosshatch signal. 2. Using 4-pole convergence magnets, overlap the red and blue lines in the centre of the screen (Fig. 4) and turn them to magenta (red/blue). (FRONT VIEW) 3. Using 6-pole convergence magnets, overlap the magenta(red/blue) and green lines in the centre of the screen and turn them to white.
  • Page 39 AV-20N83 AV-21D83 SELF-CHECK FUNCTIONS 1. Outline This model has self-check functions given below.When an abnormality has been detected,the SUB POWER is turned off and both ECO and ON TIMER LEDs flash to inform of the failure.An abnormality is detected by the signal input state of the control line connected to the microcomputer. 2.
  • Page 40 AV-20N83 AV-21D83 SERVICE NOTE : No. 52076...
  • Page 41 VICTOR COMPANY OF JAPAN, LIMITED HOME AV NETWORK BUSINESS UNIT 12,3-chome,Moriya-cho,Kanagawa-ku,Yokohama,Kanagawa-prefecture,221-8528,Japan Printed in Japan AV20N83BK-BK AV21D83VT-CK AV21D83BK-BK AV20N83VT-CK 0212 WPC...

  • Page 42: Parts List

    AV-20N83 AV-21D83 PARTS LIST CAUTION q The parts identified by the symbol are important for the safety . Whenever replacing these parts, be sure to use specified ones to secure the safety . q The parts not indicated in this Parts List and those which are filled with lines --- in the Parts No. columns will not be supplied . q P.
  • Page 43 AV-20N83 AV-21D83 CONTENTS USING P.W. BOARD & REMOTE CONTROL UNIT ................. EXPLODED VIEW PARTS LIST -1 [AV-20N83 , AV-20N83 ] .............. EXPLODED VIEW -1 [AV-20N83 , AV-20N83 ]..................EXPLODED VIEW PARTS LIST -2 [AV-20N83 , AV-20N83 ] ............. EXPLODED VIEW -2 [AV-20N83 , AV-20N83 ] ..................

  • Page 44: Using P.w. Board & Remote Control Unit

    ! Ref.No. Part No. Part Name Description Local LC10438-028A-H FRONT CABI [AV-20N83 LC10438-034A-HK FRONT CABI [AV-20N83 LC30665-001A-H REMOCON LENS LC30663-003A-H POWER KNOB LC20318-003A-H CONTROL KNOB LC30664-001B-H E.E. WINDOW CM48006-007-C JVC MARK CM35235-003-H SPRING EXPLODED VIEW -1 [AV-20N83 , AV-20N83 No. 52076...

  • Page 45: Exploded View Parts List -2

    AV-20N83 EXPLODED VIEW PARTS LIST -2 [AV-20N83 , AV-20N83 ! Ref.No. Part No. Part Name Description Local ! V01 A48LWX10X PICTURE TUBE [AV-20N83 ! V01 A48JLL91X01 PICTURE TUBE (ITC) Inc. DEF YOKE [AV-20N83 ! L01 QQW0156-001 DEG COIL ! DY01 QQD0081-001 DEFLECTION YOKE [AV-20N83...

  • Page 46: Exploded View -2

    AV-20N83 EXPLODED VIEW -2 [AV-20N83 , AV-20N83 V101 DY01 T1551 <PICTURE TUBE (REAR SIDE)> No. 52076...

  • Page 47: Exploded View Parts List -3

    ! Ref.No. Part No. Part Name Description Local LC11129-024A-H FRONT CABI [AV-21D83 LC11129-025A-HK FRONT CABI [AV-21D83 GG30021-002A-H LED LENS GG30019-003A-H POWER KNOB GG20006-003A-H CONTROL KNOB GG30020-001A-H E.E. WINDOW GG40023-001A-H JVC MARK CM35235-003-H SPRING EXPLODED VIEW -3 [AV-21D83 , AV-21D83 No. 52076...

  • Page 48: Exploded View Parts List -15

    AV-21D83 EXPLODED VIEW PARTS LIST -15 [AV-21D83 , AV-21D83 ! Ref.No. Part No. Part Name Description Local ! V01 A51LMV10X PICTURE TUBE [AV-21D83 ! V01 A51JSW51X07 PICTURE TUBE (ITC) Inc. DEF YOKE [AV-21D83 ! L01 QQW0157-001 DEG COIL ! DY01 CE20336-00A DEFLECTION YOKE [AV-21D83...

  • Page 49: Exploded View -15

    AV-21D83 EXPLODED VIEW -15 [AV-21D83 , AV-21D83 DY01 ! T1551 ! 11 <PICTURE TUBE (REAR SIDE)> No. 52076...

  • Page 50: Printed Wiring Board Parts List

    AV-20N83 PRINTED WIRING BOARD PARTS LIST [AV-20N83 MAIN PW BOARD ASS’Y (SCH-1090A-BK) ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local RESISTOR RESISTOR R1001 NRSA63J-221X MG R 220¸ 1/16W R1384 NRSA63J-103X MG R 10k¸...
  • Page 51 AV-20N83 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local RESISTOR RESISTOR R1719 NRSA63J-221X MG R 220¸ 1/16W R1831 NRSA63J-222X MG R 2.2k¸ 1/16W R1720 NRSA63J-102X MG R 1k¸ 1/16W R1832 NRSA63J-122X MG R 1.2k¸...
  • Page 52 AV-20N83 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local CAPACITOR CAPACITOR C1131 NCB31HK-103X C CAP. 0.01µF 50V K C1645 QETN1HM-475Z E CAP. 4.7µF 50V M C1132 NCB31HK-103X C CAP. 0.01µF 50V K C1650 QEHR1HM-106Z...
  • Page 53 AV-20N83 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local CAPACITOR DIODE C1820 NCF31AZ-105X C CAP. 1µF D1101 1SS268-X SI. DIODE C1821 NCF31AZ-105X C CAP. 1µF D1350 1SS244-T2 SI. DIODE C1822 QETN1CM-477Z E CAP.
  • Page 54 AV-20N83 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local TRANSISTOR OTHERS Q1101 2SC5083/L-P/-T TRANSISTOR LC30114-001C-H LED HOLDER Q1102 UN2212-X DIGI. TRANSISTOR CM35921-B02 CDS HOLDER Q1104 2SB709A/QR/-X TRANSISTOR CF1130 QAX0694-001Z C FILTER Q1108 2SD601A/QR/-X TRANSISTOR...

  • Page 55: Difference Parts List Between Av-20N83

    AV-20N83 AV-21D83 DIFFERENCE PARTS LIST BETWEEN AV-20N83 AND AV-21D83 In the DIFFERENCE PARTS LIST BETWEEN AV-20N83 and AV-21D83 , only difference points between these models are written. For other parts not mentioned in the list, please refer to the PARTS LIST (P49 – P53) for the AV- 20N83 DIFFERENCE PARTS LIST Part No.

  • Page 56: Printed Wiring Board Parts List

    AV-20N83 PRINTED WIRING BOARD PARTS LIST [AV-20N83 MAIN PW BOARD ASS’Y (SCH-1316A-CK) ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local RESISTOR RESISTOR R1001 NRSA63J-221X MG R 220¸ 1/16W R1373 NRSA63J-331X MG R 330¸...
  • Page 57 AV-20N83 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local RESISTOR RESISTOR R1710 NRSA63J-472X MG R 4.7k¸ 1/16W R1815 NRSA63J-101X MG R 100¸ 1/16W R1711 NRSA63J-101X MG R 100¸ 1/16W R1818 NRSA63J-222X MG R 2.2k¸...
  • Page 58 AV-20N83 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local CAPACITOR CAPACITOR C1102 NCB31HK-472X C CAP. 4700pF 50V K C1634 QETN1HM-475Z E CAP. 4.7µF 50V M C1103 NCB31HK-472X C CAP. 4700pF 50V K C1635 QETN1HM-107Z...
  • Page 59 AV-20N83 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local CAPACITOR COIL C1807 NCF31AZ-105X C CAP. 1µF L1001 CE42050-001Z BEADS CORE C1808 NCF31AZ-105X C CAP. 1µF L1002 CE42050-001Z BEADS CORE C1810 NCF31AZ-105X C CAP.
  • Page 60 AV-20N83 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local DIODE D1954 RGP30B-F1 SI. DIODE IC1130 M52342SP I.C(MONO-ANA) D1956 RU3AM-LFC4 SI. DIODE IC1401 AN5522 I.C(MONO-ANA) D1964 MA3330/L/-X ZENER DIODE IC1602 NJW1138M-X I.C(MONO-ANA) D1965 1SS133-T2...
  • Page 61 AV-20N83 ! Symbol No. ! Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local OTHERS W1325 NRSA63J-0R0X MG R 0.0¸ 1/16W W1326 NRSA63J-0R0X MG R 0.0¸ 1/16W W1330 NRSA63J-0R0X MG R 0.0¸ 1/16W W1333 NRSA63J-0R0X MG R 0.0¸...

  • Page 62: Difference Parts List Between Av-21D83

    AV-20N83 AV-21D83 DIFFERENCE PARTS LIST BETWEEN AV-21D83 AND AV-20N83 In the DIFFERENCE PARTS LIST BETWEEN AV-21D83 and AV-20N83 , only difference points between these models are written. For other parts not mentioned in the list, please refer to the PARTS LIST (P55 – P60) for the AV- 20N83 DIFFERENCE PARTS LIST Part No.

  • Page 63: Packing

    AV-20N83 PACKING [AV-20N83 , AV-20N83 <TV SET SIDE VIEW> PACKING PARTS LIST [AV-20N83 , AV-20N83 ! Ref.No. Part No. Part Name Description Local CP30967-003-H POLY BAG [AV-20N83 GG30033-001A-E POLY BAG [AV-20N83 GG10056-075A-H P CASE [AV-20N83 GG10007-024A-E P CASE [AV-20N83 LC10469-002A-H CUSHION ASSY [AV-20N83 LC10469-004A...

  • Page 64: Packing

    AV-21D83 PACKING [AV-21D83 , AV-21D83 <TV SET SIDE VIEW> PACKING PARTS LIST [AV-21D83 , AV-21D83 ! Ref.No. Part No. Part Name Description Local CP30967-003-H POLY BAG [AV-21D83 GG30033-001A-E POLY BAG [AV-21D83 GG10056-078A-H P CASE [AV-21D83 GG10007-025A-E P CASE [AV-21D83 GG10131-001B-H CUSHION ASSY [AV-21D83 GG10131-003A-E...
  • Page 65 AV-20N83 AV-21D83 SCHEMATIC DIAGRAMS COLOUR TELEVISION BASIC CHASSIS AV-20N83 AV-21D83 AV-21D83 AV-20N83 CD-ROM No. SML200212 PICTURE POWER MUTING BOOSTER SYSTEM CINEMA COLOUR SOUND SURROUND DISPLAY SENSOR MENU TV/VIDEO TIMER PICTURE MODE CHANNEL RETURN+ SCAN -/-- CHANNEL VOLUME RM-C1017 RM-C1017-1H RM-C1027-1H [AV-20N83 [AV-21D83 [AV-21D83...
  • Page 66 AV-20N83 AV-21D83 AV-20N83 AV-21D83 AV-21D83 STANDARD CIRCUIT DIAGRAM AV-20N83 q NOTE ON USING CIRCUIT DIAGRAMS • Type 1. SAFETY No indication : Ceramic capacitor The components identified by the symbol and shading are : Mylar capacitor critical for safety. For continued safety replace safety critical : Metalized mylar capacitor components only with manufactures recommended parts.
  • Page 67 AV-20N83 AV-21D83 CONTENTS SEMICONDUCTOR SHAPES ..........................2-2 BLOCK DIAGRAM ................................2-3 CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM (1/3) [AV-20N83 , AV-21D83 ................2-5 MAIN PWB CIRCUIT DIAGRAMS (2/3, 3/3) [AV-20N83 , AV-21D83 ..............2-7 MAIN PWB CIRCUIT DIAGRAM (1/3) [AV-21D83 , AV-20N83 ................
  • Page 68 AV-20N83 AV-20N83 AV-21D83 AV-21D83 BLOCK DIAGRAM MAIN PWB MAIN (CRT SOCKET) TU001 TUNER SIF IN1 ROUT SF101 SAW FILTER RGB DRIVE SIF IN2 GOUT BOUT IF IN1 SF102 SAW FILTER IF IN2 AV-20N83 , AV-21D83 Q136 Q137 IC130 QSS OUT CF140 SOUND FM 29,30...
  • Page 69 AV-20N83 AV-20N83 AV-21D83 AV-21D83 CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM (1/3) [AV-20N83 , AV-21D83 D760 R786 R136 C133 R143 R139 R137 4.7K IC760 SLR-342VR-T16 100/16 S780 S781 S782 S783 S784 Y601 Q136 2.2K D771 GP1UM281QK QSW0619-003Z QSW0619-003Z QSW0619-003Z QSW0619-003Z QSW0619-003Z ∗1 R138 CN001...
  • Page 70 AV-20N83 AV-20N83 AV-21D83 AV-21D83 MAIN PWB CIRCUIT DIAGRAMS (2/3, 3/3) [AV-20N83 , AV-21D83 DEG COIL L101 C350 R352 ∗ 470p L350 R357 1.5K D350 R356 1SS244-T2 CNDEG SK351 ∗ 1/2W QGZ5003C1-02 PROTECT QNZ0537-001 D351 136.7V R350 139.7V 139.8V Q351 CRT SOCKET IC401 IC401 D408...
  • Page 71 AV-21D83 AV-21D83 AV-20N83 AV-20N83 MAIN PWB CIRCUIT DIAGRAM (1/3) [AV-21D83 , AV-20N83 TO SPEAKER D760 R786 R136 C133 R143 4.7K SLR-342VR-T16 100/16 R139 R137 IC760 S780 S781 S782 S783 S784 Y601 Q136 2.2K D771 GP1UM281QK R138 CN001 QSW0619-003Z QSW0619-003Z QSW0619-003Z QSW0619-003Z QSW0619-003Z ∗1...
  • Page 72 AV-21D83 AV-21D83 AV-20N83 AV-20N83 MAIN PWB CIRCUIT DIAGRAMS (2/3, 3/3) [AV-21D83 , AV-20N83 DEG COIL C350 R352 470p L350 R357 1.5K D350 R356 1/2W 1SS244-T2 CNDEG SK351 QGZ5003C1-02 QNZ0537-001 ∗ PROTECT D351 136.7V R350 139.8V CRT SOCKET IC401 IC401 139.7V Q351 D408 R425...
  • Page 73 AV-20N83 AV-20N83 AV-21D83 AV-21D83 PATTERN DIAGRAMS MAIN PWB PATTERN R970 D965 R596 J801 J802 J803 J804 Y102 R593 CKF1672-BH1-1 R597 R808 Y103 TU001 Q953 L951 IC951 C684 Y101 R810 Y914 R991 D956 R687 Y913 R801 R802 D911 W051 R686 R595 UL MARK Q592 C807...
  • Page 74 AV-20N83 AV-21D83 MAIN PWB (CRT SOCKET) PATTERN No.52076 2-15...
  • Page 75 VICTOR COMPANY OF JAPAN, LIMITED HOME AV NETWORK BUSINESS UNIT 12,3-chome,Moriya-cho,Kanagawa-ku,Yokohama,Kanagawa-prefecture,221-8528,Japan Printed in Japan AV20N83BK-BK AV21D83VT-CK AV21D83BK-BK AV20N83VT-CK 0212 WPC...

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