JVC AV-21P4(BK) User manual

AV-21P4

No. 56059 1

MODEL NO.

XXXXX XXXXXXX

XXXXXXX XXXXX

XXXXXX

XXXXX

XXX XXXXX XXXXX

XXXXXXXXXXXXXXXXXXXXX

XXXXXXXXXXXXXXX

SERIALNo.

XXXXXX–XXX

XXXX XX XXXX

XXX XX XXXX

Identify model name

Basic model name

BASIC CHASSIS

CG-F

AV-21P4

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.

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).

AV-21P4

SERVICE MANUAL

COLOUR TELEVISION

AV-21P4(BK)

AV-21P4-BK

AV-21P4

No. 560592

PARTS DIFFERENCE TABLE

The different parts between AV-21PM and AV-21P4(BK) are described below:

AV-21PM AV-21P4(BK)

!REF. NO. PART NAME DESCRIPTION

PART No. PART No.

■ EXPLODED VIEW PARTS LIST (Page 30)

1 LC10549-015A-H LC10549-010A-H FRONT CABI ASSY

!14 QMP40D0-200J5 QMPR010-200-E2 POWER CORD

or QMP40D0-200J3 or QMPR010-200-K2

!17 LC20377-010B-H CM22960-078-H RATING LABEL

■ PRINTED WIRING BOARD PARTS LIST [MAIN PWB ASSY] (Page 32-)

— SCG-1232A-H2 SCG-1265A-BK MAIN PWB ASSY

IC1701 MN1873287JB1 MN1873287JC1 IC (MICROCOMPUTER)

IC1702 AT24C08-21PM AT24C08-21P4BK IC (MEMORY) (Service)

— SCG-3001A-H2 SCG-3001A-BK CRT SOCKET PWBASSY

— SCG-8001A-H2 SCG-8002A-BK FRONT CONTROL PWB

ASSY

■ PACKING PARTS LIST (Page 38)

1 GG10044-008A-H GG10045-006A-H PACKING CASE

4 RM-C364-1H RM-C365-1H REMOCON UNIT

5 CP30966-001-H QPA02503505 POLY BAG

!6 LCT0795-001A-H LCT0799-001A-H INST BOOK

!8 LCT0796-001A-H DIGEST MANUAL

— ATEAB001-00A MATCHING BOX

AV-21P4

No. 56059 3

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) 46.25MHz ~ 168.25MHz

VHF (VH) 175.25MHz ~ 463.25MHz

UHF 471.25MHz ~ 863.25MHz

CATV ●Cable TVs of Mid (X-Z, S1-S10)

Super (S11-S20) & Hyper (S21-S41) bands receivable

Intermediate VIF Carrier 38.0MHz

Frequency 31.5MHz (6.5MHz)

SIF Carrier 32.0MHz (6.0MHz)

32.5MHz (5.5MHz)

33.5MHz (4.5MHz)

Colour Sub Carrier Frequency PAL (4.43MHz)

SECAM (4.40625MHz / 4.25MHz)

NTSC (3.58MHz / 4.43MHz)

Aerial Input Terminal 75ΩUnbalanced

Power Input Rating: AC110 ~ 240V, 50/60Hz Operating: AC90 ~ 260V, 50/60Hz

Power Consumption 116W (Max.) / 74W (Avg.)

Picture Tube Visible size : 51cm measured diagonally

High Voltage 28.0kV ±1.5kV (at zero beam current)

Speaker 5cm ×12cm Oval type ×2

Audio Output 5W (Monaural)

Input Video 1Vp-p, 75Ω

Audio 500mVrms (−4dBs), High impedance

Output Video 1Vp-p, 75Ω

Audio 500mVrms (–4dBs), Low impedance

Headphone Jack Stereo mini jack (3.5ø)

Remote Control Unit RM-C365-1H (Battery size : AA/R06/UM-3 ×2)

Design & specifications are subject to change without notice.

AV-21P4

No. 560594

SETTING OF SYSTEM CONSTANT SET (Page 7)

Table 1

USER SETTING VALUES (Page 7)

Table 2

SPECIFIC SERVICE INSTRUCTIONS

Setting item Setting contents Setting value

COLOUR TRIPLE

BILINGUAL YES

TUNER MU

ECO SENSOR YES

LANGUAGE E/T

B/B SOUND OFF

LOCK 180

COLOUR AUTO NO

QSS MINT

ALC NO

TEXT RATE 20

AMP TUNER NO

VNR YES

EW-PIN IC YES

MULTI. TRIPLE PAL

YES NO

MU MA

YES NO

E/T E

ON OFF

YES 10 20 ... 230

250 240

YES NO

MINT MQSS

YES NO

10 20 40 80

YES NO

Setting item Setting value Setting item Setting value

SUB POWER ON PICTURE MODE (VSM) BRIGHT

CHANNEL POSITION 1 POSITION VNR OFF

OFF TIMER OFF

LANGUAGE THAI

VOLUME Appropriate sound volume AUTO SHUTOFF OFF

TV/VIDEO TV ECO SENSOR OFF

ON SCREEN DISPLAY POSITION NUMBER DISPLAY BLUE BACK OFF

COLOUR SYSTEM AUTO PAL ON TIMER PR1 0:00

SOUND SYSTEM B / G CHILD LOCK OFF

BILINGUAL MODE I

Refer to OPERATING

INSTRUCTION

CHANNEL PRESET

AV-21P4

No. 56059 5

SERVICE ADJUSTMENTS

■Initial Setting Value

■IF CIRCUIT ADJUSTMENT -- Adjustment of DELAY POINT (Page 15)

■V/C (VIDEO/CHROMA) CIRCUIT ADJUSTMENT (Page 15)

[SUB MENU 2. V/C]

Variable Initial setting

range value

Setting (Adjustment) Item

DELAY POINT

(AGC TAKE-

OVER)

NTSC3.58

Others 0~127 48

Colour system Variable Initial setting value

Setting item range PAL SECAM NTSC 3.58 NTSC 4.43

1. CUT OFF (R / G / B) −128 ~ +127 −50 bbb

2. DRIVE (R / B) −64 ~ +63 0 bbb

3. BRIGHT −128 ~ +127 0 bbb

4. CONT. −64 ~ +63 0 bbb

5. COLOUR (P / S / N3 / N4) −64 ~ +63 0 bbb

6. TINT (N3 / N4) TV / VIDEO −64 ~ +63 0 / 0 0 / 0

7. SECAM BL ADJUST −32 ~ +31 0 bbb

8. SHARP TV / VIDEO −32 ~ +31 −14 / +8bbb

: Do not adjust.

Adjustment of SUB COLOUR-II (Page 18)

Adjustment of SUB TINT-II (Page 19)

Adjustment part Description

5. COLOUR

PAL COLOUR Value (A) in the figure: Set to +12V (W & G).

SECAM COLOUR Value (A) in the figure: Set to +13V (W & G).

NTSC 3.58 COLOUR Value (A) in the figure: Set to +8V (W & G).

Adjustment part Description

6. TINT

NTSC 3.58 TINT Value (B) in the figure: Set to +5V (W & Cy).

AV-21P4

No. 560596

■DEFLECTION CIRCUIT ADJUSTMENT (Page 20)

[SUB MENU 3. DEF]

■VSM PRESET ADJUSTMENT (Page 23)

[Setting Values for SUB MENU 4. VSM PRESET]

: Do not adjust.

VSM preset

VSM mode BRIGHT STANDARD SOFT

Setting item

TINT +15 bb

bbb

SETTING VALUE

COLOUR +15 bb

bbb

SETTING VALUE

BRIGHT +15 bb

bbb

SETTING VALUE

CONT. +30 +19 +14

SETTING VALUE

SHARP +20 bb

b+15

SETTING VALUE

Initial setting value

Setting item Adjustment name Variable range 50Hz 60Hz

1. VER. POSITION Vertical center −4 ~ +3−2−2

2. HOR. POSITION Horizontal center −16 ~ +15 −1 +1

3. VER. HEIGHT Vertical height −64 ~ +63 +13 −2

4. VER. LINEARITY Vertical linearity −16 ~ +15 +7 0

5. VER. SCURVE Vertical scurve −16 ~ +15 −5 0

6. HOR. VCO ADJUST Horizontal VCO −64 ~ +63 0 0

7. HOR. WIDTH Horizontal width −32 ~ +31 −1 −5

8. EW-PIN Side pin correction −32 ~ +31 −5 0

9. EW-CORNER Side pin fore correction −8 ~ +7 −3 +2

10. TRAPEZ Trapezoidal distortion correction −32 ~ +31 −13 −5

11. VER. EDGE Vertical edge correction −8 ~ +7 0 0

12. HOR. COMP Horizontal compensation −8 ~ +7 −2 −2

13. VER. POS2 Vertical center 2 −4 ~ +3 0 0

: Do not adjust.

AV-21P4

No. 56059 7

Colour system Initial setting value

Setting item PAL SECAM NTSC 3.58 NTSC 4.43

1. C-TRAP FIX 1 bbb

2. SHARP PEAK 0 bbb

3. ABL 1 bbb

4. GAMMA 0 bbb

5. Y.DELAY TIME TV 0 2 2 3

VIDEO 0 2 0 2

6. BLACK EXP START 3 bbb

7. C-BPF TV 1 b0 b

VIDEO 1 bbb

8. CW/SCP 0 bbb

9. V.IF DET. LEVEL 0 bbb

11. IF AGC MIN. 0 bbb

12. V.IF AGC 0 bbb

13. V.IF PMOD 0 bbb

19. VNR 15 bbb

20. RGB LIM. 1 bbb

21. RGB LIMIT LEVEL 2 bbb

23. TEXT H. POSITION 5 bbb

24. READ DATA

: Do not adjust.

TV RF system Initial setting value

Setting item B/G I D/K M

10. S.IF DET. LEVEL 0 bbb

14. S.IF BPF BW ADJUST 0 bbb

15. S.IF TRAP FO ADJUST 0 bbb

16. S.IF TRAP FO ADJUST 2 0 bbb

17. S.IF-TRAP 0 bbb

18. S.IF-BPF 0 bb 1

22. S.IF SW 1 bb 0

: Do not adjust.

PRESET ADJUSTMENT (Page 24)

[SUB MENU 5. PRESET]

AV-21P4

No. 560598 AV21P4BK-BK #3 CTH 0008

CRT

VICTOR COMPANY OF JAPAN, LIMITED

TELEVISION RECEIVER DIVISION 1106 Heta, Iwai-city, Ibaraki-prefecture, 306-0698, Japan

Table of contents

Popular TV manuals by other brands

Philips

Philips Colour Television Service manual

Toshiba

Toshiba 27A10 owner's manual

Philips

Philips 42PF9630A/37 user manual

Hitachi

Hitachi 32FX48B operating guide

DAEWOO ELECTRONICS

DAEWOO ELECTRONICS DTQ-14V1FC Service manual

Changhong Electric

Changhong Electric uhd55b6000is Operation manual

Philips

Philips Matchline 21CE7551 operating instructions

Panasonic

Panasonic Genus TX-G10 operating instructions

Toshiba

Toshiba 19A20 Service manual

Philips

Philips 25PT4523-16 manual

Sony

Sony XBR-100Z9D reference guide

Philips

Philips PR0930X3 owner's manual

Philips

Philips Brilliance 231P4QPY user manual

Samsung

Samsung 55S9 B Series Quick setup guide

Philips

Philips 32HF9385D Käyttöopas

Sharp

Sharp LC-40FI5012E user manual

Loewe

Loewe Table Stand Reference 55 user guide

Philips

Philips 32PFH5300 Service manual