JVC AV-14F7 Manual de usuario

AV-14F7

No. 56098 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

SERVICE MANUAL

COLOUR TELEVISION

AV-14F7(VT)

Sep. 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-14FM 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-14FM Service Manual (No. 51753, Jul. 2000)

Note: The page in parentheses shows the one for the AV-14FM service manual (No. 51753, Jul. 2000).

AV-14F7

AV-14F7-VT

AV-14F7

No. 560982

AV-14FM AV-14F7(VT)

!REF. NO. PART NAME DESCRIPTION

PART No. PART No.

■EXPLODED VIEW PARTS LIST (Page 32)

!V01 A34AGT15X PICTURE TUBE

A34JLL91X84 PICTURE TUBE ITC

!L01 QQW0093-001 CELD025-005J6 DEGAUSSING COIL

DY01 QQD0046-001 DEF YOKE

1 LC10831-002B-H LC10831-011B-H FRONT CABINET

10 CE42153-00AJ1 WEDGE ASSY (×3)

11 CE40305-00B PC MAGNET

!16 CM12961-D01-VH CM12961-D01-KH REAR COVER

!19 LC20377-001B-H GG20001-010A-H RATING LABEL

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

— SCG-1017A-H2 SCG-1249A-CK MAIN PWB ASSY

R1103 NRSA63J-100X CH MG R 10Ω1/16W J

NRSA02J-820X CH MG R 82Ω1/10W J

R1112 NRSA63J-100X CH MG R 10Ω1/16W J

NRSA02J-220X CH MG R 22Ω1/10W J

R1303 NRSA63J-101X CH MG R 100Ω1/16W J

NRSA02J-221X CH MG R 220Ω1/10W J

R1304 NRSA63J-101X CH MG R 100Ω1/16W J

NRSA02J-221X CH MG R 220Ω1/10W J

R1305 NRSA63J-101X CH MG R 100Ω1/16W J

NRSA02J-221X CH MG R 220Ω1/10W J

R1347 NRSA02J-392X CH MG R 3.9kΩ1/10W J

R1348 NRSA02J-472X CH MG R 4.7kΩ1/10W J

R1369 QRE122J-394 C R 390kΩ1/2W J

R1528 QRE122J-471 C R 470Ω1/2W J

R1529 QRL039J-121 OM R 120Ω3W J

QRG029J-271 OM R 270Ω2W J

C1317 NCB31EK-473X CH C CAP. 0.047µF 25V K

NCB21HK-473X CH C CAP. 0.047µF 50V K

C1351 QCZ0121-102 C CAP. 1000pF 3kV Z

C1352 QFZ0097-103 MM CAP. 0.01µF 1250V K

C1354 NDC31HJ-271X CH C CAP. 270pF 50V J

NDC21HJ-221X CH C CAP. 220pF 50V J

C1355 NDC31HJ-221X CH C CAP. 220pF 50V J

NDC21HJ-271X CH C CAP. 270pF 50V J

PARTS DIFFERENCE TABLE

The different parts between AV-14FM and AV-14F7(VT) are described below:

AV-14F7

No. 56098 3

C1527 QFZ0199-224 MPP CAP. 0.22µF 250V J

QFZ0199-184 MPP CAP. 0.18µF 250V J

C1530 QCB32HK-561 C CAP. 560pF 500V K

C1582 QFZ0199-204 MPP CAP. 0.2µF 250V J

QFZ0199-184 MPP CAP. 0.18µF 250V J

C1657 QCB31HK-103 C CAP. 0.01µF 50V K

L1522 QQR1005-003 LINEARITY COIL

L1551 QQLZ026-640 QQLZ018-670 HEATER CHOKE

IC1701 MN1873287JB1 MN1873287JD1 IC (MICROCOMPUTER)

IC1702 AT24C08-21PM AT24C08-14F7VT IC (MEMORY) (Service)

J1006 QNN0281-002 PIN JACK

TU1001 QAU0202-001 QAU0186-001 TUNER

■PACKING PARTS LIST (Page 38)

1 LC10453-092A-H GG10007-010A PACKING CASE

4 RM-C364-1H RM-C367-1H REMOCON UNIT

!6 LCT0733-001A-H LCT0768-001A INST BOOK

!7 LCT0734-001A-H DIGEST MANUAL

8 CM47385-00B-H CM43936-001 POS/SERIAL LABEL (×2)

— CEAB005-00AJ1 MATCHING BOX

AV-14FM AV-14F7(VT)

!REF. NO. PART NAME DESCRIPTION

PART No. PART No.

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

AV-14F7

No. 560984

SPECIFICATIONS(Page 2)

Item Content

Dimensions (W ×H ×D) 462mm ×340.5mm ×375mm

Mass 10kg

TV RF System B / G, I, D / K, K1, M

Colour System TV Mode PAL / SECAM / NTSC3.58 / NTSC4.43

VIDEO Mode PAL / SECAM / NTSC3.58 / NTSC4.43

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 70W (Max.) / 47W (Avg.)

Picture Tube Visible size : 34cm measured diagonally

High Voltage 22.5kV ±1.5kV (at zero beam current)

Speaker 5cm ×9cm Oval type ×2

Audio Output 3W (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-C367-1H (Battery size : AA/R06/UM-3 ×2)

Design & specifications are subject to change without notice.

AV-14F7

No. 56098 5

SETTING OF SYSTEM CONSTANT SET (Page 9)

Table 1

SPECIFIC SERVICE INSTRUCTIONS

USER SETTING VALUES (Page 9)

Table 2

Setting item Setting contents Setting value

COLOUR MULTI.

BILINGUAL NO

TUNER MU

ECO SENSOR YES

LANGUAGE E/V

B/B SOUND OFF

LOCK 180

COLOUR AUTO NO

QSS MINT

ALC NO

TEXT RATE 20

AMP TUNER YES

VNR NO

MULTI. TRIPLE PAL

YES NO

MU MA

YES NO

E/V 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 OFF TIMER OFF

LANGUAGE VIETNAMESE

AUTO SHUTOFF OFF

VOLUME Appropriate sound volume ECO SENSOR OFF

TV/VIDEO TV BLUE BACK OFF

ON SCREEN DISPLAY POSITION NUMBER DISPLAY ON TIMER PR1 0:00

COLOUR SYSTEM AUTO PAL CHILD LOCK OFF

SOUND SYSTEM B / G PICTURE BOOSTER OFF

Refer to OPERATING

INSTRUCTION

CHANNEL PRESET

AV-14F7

No. 560986

SERVICE ADJUSTMENTS

■Initial Setting Value

■IF CIRCUIT ADJUSTMENT -- Adjustment of DELAY POINT (Page 17)

■V/C (VIDEO/CHROMA) CIRCUIT ADJUSTMENT (Page 17)

[SUB MENU 2. V/C]

Adjustment of SUB COLOUR-II (Page 20)

Adjustment of SUB TINT-II (Page 21)

Adjustment part Description

5. COLOUR

PAL COLOUR Value (A) in the figure: Set to +9V (W & G).

SECAM COLOUR Value (A) in the figure: Set to +3V (W & G).

NTSC 3.58 COLOUR Value (A) in the figure: Set to +7V (W & G).

Adjustment part Description

6. TINT

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

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 / +80/0

7. SECAM BL ADJUST −32 ~ +31 0 bbb

8. SHARP TV / VIDEO −32 ~ +31 −15 / +5bbb

9. AMP T. SHARP −16 ~ +15 0 bbb

: Do not adjust.

AV-14F7

No. 56098 7

■DEFLECTION CIRCUIT ADJUSTMENT (Page 23)

: Do not adjust.

■VSM PRESET ADJUSTMENT (Page 25)

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 +15 +11

SETTING VALUE

SHARP +15 +15 +12

SETTING VALUE

[Setting Values for SUB MENU 4. VSM PRESET]

Initial setting value

Setting item Adjustment name Variable range 50Hz 60Hz

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

2. HOR. POSITION Horizontal center −16 ~ +15 +1 +4

3. VER. HEIGHT Vertical height −64 ~ +63 −40 0

4. VER. LINEARITY Vertical linearity −32 ~ +31 +13 −3

5. VER. SCURVE Vertical scurve −32 ~ +31 −32 0

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

: Do not adjust.

[SUB MENU 3. DEF]

AV-14F7

No. 560988 CTH 0009

CRT

AV14F7VT-CK #3

VICTOR COMPANY OF JAPAN, LIMITED

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

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 b

3. ABL 1 b

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 −3bbb

24. READ DATA

■PRESET ADJUSTMENT (Page 26)

[SUB MENU 5. PRESET]

: 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.

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