JVC AV-21P8(VT) Service Manual

SERVICE MANUAL

COLOUR TELEVISION

BASIC CHASSIS

CM-F

AV-21P8(VT)

This service manual mainly consists of the following items:

• The items which differ from those for the AV-21PX 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-21PX Service Manual (No. 56039, Jul. 2000)

AV-21P8

Note: The page in parentheses shows the one for the AV-21PX service manual (No. 56039, Jul. 2000).

HOW TO IDENTIFY MODEL

While referring to the illustration given below, identify model name on the rating label affixed to the rear cover.

Basic model name

AV-21P8

MODEL NO.

XXXXX XXXXXXX XXXXXXX XXXXX

XXXXXX

XXXXX

XXX XXXXX XXXXX

XXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXX

SERIAL No.

XXXX XX XXXX XXX XX XXXX

XXXXXX–XXX

Identify model name

AV-21P8-VT

No. 56096 1

No. 56096

Jul. 2000

AV-21P8

PARTS DIFFERENCE TABLE

The different parts between AV-21PX and AV-21P8(VT) are described below:

! REF. NO. PART NAME DESCRIPTION

AV-21PX AV-21P8(VT) PART No. PART No.

■ EXPLODED VIEW PARTS LIST (Page 32)

! L01 QQW0058-001 QQW0067-001 DEG COIL

1 LC10549-012A-H LC10549-011A-HK FRONT CABI ASSY

! 17 LC10551-002A-H LC10551-002A-HK REAR COVER ! 18 LC20377-010B-H GG20001-017A-H RATING LABEL

■ PRINTED WIRING BOARD PARTS LIST [MAIN PWB ASSY] (Page 34-)

— SCM-1613A-H2 SCM-1618A-CK MAIN PWB ASSY

C1972 QEHR1AM-108Z E CAP. 1000µF 10V M

QETM1CM-108 E CAP. 1000µF 16V M

C1974 QEHR1CM-107Z E CAP. 100µF 16V M

QFN31HJ-222 M CAP. 2200pF 50V J D1553 RH1S-T3 RH1S-LFA1 SI DIODE D1554 RH1S-T3 RH1S-LFA1 SI DIODE IC1701 M37204MC-D47SP M37204MC-E40SP IC (MICROCOMPUTER) IC1702 AT24C08-AV21PS AT24C08-21P8VT IC (MEMORY) (Service)

■ PRINTED WIRING BOARD PARTS LIST [INNER PIN PWB ASSY] (Page 37)

— SCM-2102A-H2 SCM-2104A-CK INNER PIN PWB ASSY

■ PRINTED WIRING BOARD PARTS LIST [CRT SOCKET PWB ASSY] (Page 37-)

— SCM-3302A-H2 SCM-3304A-CK CRT SOCKET PWB ASSY D3302 RH1S-T3 RH1S-LFA1 SI DIODE SI DIODE D3303 RH1S-T3 RH1S-LFA1 SI DIODE SI DIODE

■ PRINTED WIRING BOARD PARTS LIST [FRONT CONTROL PWB ASSY] (Page 39)

— SCM-8302A-H2 SCM-8306A-CK FRONT CONTROL PWB

ASSY

■ PRINTED WIRING BOARD PARTS LIST [ALC PWB ASSY] (Page 39)

— SCM0A105A-H2 SCM0A106A-CK ALC PWB ASSY

■ PRINTED WIRING BOARD PARTS LIST [IF PWB ASSY] (Page 40-)

— SCM0F302A-H2 SCM0F303A-CK IF PWB ASSY R0609 NRSA02J-471X CHIP RESISTOR C0609 NCB21HK-103X CHIP C CAPACITOR Q0101 2SC5083/L-P/-T 2SC5082/L-P/ SI TRANSISTOR Q0603 DTC124EKA-X DIGI TRANSISTOR CF0606 QAX0337-001 CERAMIC FILTER

No. 560962

AV-21P8

! REF. NO. PART NAME DESCRIPTION

AV-21PX AV-21P8(VT) PART No. PART No.

■ PRINTED WIRING BOARD PARTS LIST [AV SW PWB ASSY] (Page 41-)

— SCM0Y502A-H2 SCM0Y503A-CK AV SW PWB ASSY

C0302 QENC1EM-106Z BP E CAP. 10µF 25V M