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JVC AV-21P4(BK) Service Manual

Jvc av-21p4(bk) colour television
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SERVICE MANUAL
This service manual mainly consists of the following items:
• The items which differ from those for the AV-21PM service manual.
• The initial value for each setting item.
For details other than those described in this manual, please refer to the following service manual.
Reference Service Manual: AV-21PM Service Manual (No. 56055, Aug. 2000)
Note: The page in parentheses shows the one for the AV-21PM service manual (No. 56055, Aug. 2000).
HOW TO IDENTIFY MODEL
While referring to the illustration given below, identify model name on the rating label affixed to the rear cover.
COPYRIGHT © 2000 VICTOR COMPANY OF JAPAN, LTD.

COLOUR TELEVISION

AV-21P4
Basic model name
MODEL NO.
XXXX XX XXXX
XXXXX XXXXXXX
XXXXXXX XXXXX
XXXXXX
XXXXX
XXX XXXXX XXXXX
XXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXX
SERIAL No.
Identify model name
AV-21P4-BK
(BK)
AV-21P4
XXX XX XXXX
XXXXXX–XXX
No. 56059
AV-21P4
AV-21P4
BASIC CHASSIS
CG-F
No. 56059
1
Aug. 2000

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Summary of Contents for JVC AV-21P4(BK)

  • Page 1: Colour Television

    AV-21P4 AV-21P4 SERVICE MANUAL COLOUR TELEVISION BASIC CHASSIS AV-21P4 CG-F (BK) This service manual mainly consists of the following items: • The items which differ from those for the AV-21PM service manual. • The initial value for each setting item. For details other than those described in this manual, please refer to the following service manual.

  • Page 2: Parts Difference Table

    AV-21P4 PARTS DIFFERENCE TABLE The different parts between AV-21PM and AV-21P4 are described below: (BK) AV-21PM AV-21P4 (BK) REF. NO. PART NAME DESCRIPTION ! ! ! ! ! PART No. PART No. EXPLODED VIEW PARTS LIST (Page 30) LC10549-015A-H LC10549-010A-H FRONT CABI ASSY QMP40D0-200J5 QMPR010-200-E2...

  • Page 3: Specifications

    AV-21P4 SPECIFICATIONS (Page 2) Item Content Dimensions (W × H × D) 596mm × 468.5mm × 481.5mm Mass 25kg TV RF System B / G, I, D / K, K1 Colour System TV Mode PAL / SECAM VIDEO Mode PAL / SECAM / NTSC3.58 / NTSC4.43 Stereo System Bilingual in A2 (Monaural) Receiving Frequency VHF (VL)

  • Page 4: Specific Service Instructions

    AV-21P4 SPECIFIC SERVICE INSTRUCTIONS SETTING OF SYSTEM CONSTANT SET (Page 7) Table 1 Setting item Setting contents Setting value COLOUR TRIPLE MULTI. TRIPLE BILINGUAL TUNER ECO SENSOR LANGUAGE B/B SOUND LOCK COLOUR AUTO MINT MINT MQSS TEXT RATE AMP TUNER EW-PIN IC USER SETTING VALUES (Page 7) Table 2...

  • Page 5: Service Adjustments

    AV-21P4 SERVICE ADJUSTMENTS Initial Setting Value IF CIRCUIT ADJUSTMENT -- Adjustment of DELAY POINT (Page 15) Variable Initial setting Setting (Adjustment) Item range value NTSC3.58 DELAY POINT 0 ~ 127 (AGC TAKE- Others OVER) V/C (VIDEO/CHROMA) CIRCUIT ADJUSTMENT (Page 15) [SUB MENU 2.
  • Page 6 AV-21P4 DEFLECTION CIRCUIT ADJUSTMENT (Page 20) [SUB MENU 3. DEF] Initial setting value Setting item Adjustment name Variable range 50Hz 60Hz −4 ~ +3 −2 −2 1. VER. POSITION Vertical center −16 ~ +15 −1 2. HOR. POSITION Horizontal center −64 ~ +63 −2 3.
  • Page 7 AV-21P4 PRESET ADJUSTMENT (Page 24) [SUB MENU 5. PRESET] Colour system Initial setting value Setting item SECAM NTSC 3.58 NTSC 4.43 1. C-TRAP FIX 2. SHARP PEAK 3. ABL 4. GAMMA 5. Y.DELAY TIME VIDEO 6. BLACK EXP START 7. C-BPF VIDEO 8.
  • Page 8 AV-21P4 VICTOR COMPANY OF JAPAN, LIMITED TELEVISION RECEIVER DIVISION 1106 Heta, Iwai-city, Ibaraki-prefecture, 306-0698, Japan AV21P4BK-BK #3 CTH 0008 No. 56059...

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