JVC AV-14F4 Manuale utente
AV-14F4
No. 56008 1
BASIC CHASSIS
CG
SERVICE MANUAL
COLOUR TELEVISION
AV-14F4(BK)
AV-14F4
COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD. No. 56081
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-14FT 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-14FT Service Manual (No. 56077, Sep. 2000)
Note: The page in parentheses shows the one for the AV-14FT service manual (No. 56077, Sep. 2000).
MODEL NO.
XXXXX XXXXXXX
XXXXXXX XXXXX
XXXXXX
XXXXX
XXX XXXXX XXXXX
XXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXX
SERIALNo.
XXXXXX–XXX
XXXX XX XXXX
XXX XX XXXX
Identify model name
Basic model name
AV-14F4
AV-14F4-BK
AV-14F4
No. 560082
AV-14FT AV-14F4(BK)
!!
!!
!REF. NO. PART NAME DESCRIPTION
PART No. PART No.
■EXPLODED VIEW PARTS LIST (Page 28)
1 LC10831-005A-H LC10831-008A-H FRONT CABINET
!14 QMP40D0-200J5 QMPR010-200-E2 POWER CORD
or QMP40D0-200J3 or QMPR010-200-K2
!17 LC20377-010B-H CM22960-073-H RATING LABEL
■PRINTED WIRING BOARD PARTS LIST (Page 30)
— SCG-1252A-H2 SCG-1258A-BK MAIN PWB ASSY
R1161 NRSA02J-102X CH MG R 1kΩ1/10W J
R1162 NRSA02J-122X CH MG R 1.2kΩ1/10W J
R1163 NRSA02J-222X CH MG R 2.2kΩ1/10W J
R1164 NRSA02J-221X CH MG R 220Ω1/10W J
R1165 NRSA02J-220X CH MG R 22Ω1/10W J
R1166 NRSA02J-821X CH MG R 820Ω1/10W J
R1771 NRSA02J-821X CH MG R 820Ω1/10W J
NRSA02J-222X CH MG R 2.2kΩ1/10W J
R1773 NRSA02J-122X CH MG R 1.2kΩ1/10W J
C1161 NCB21HK-103X CH C CAP. 0.01µF 50V K
C1164 NCB21HK-103X CH C CAP. 0.01µF 50V K
C1165 NCB21HK-103X CH C CAP. 0.01µF 50V K
C1166 NCB21HK-104X CH C CAP. 0.1µF 50V K
D1705 L-132XND-T16 LED (ORG)
SLR-342MG-T16 LED (GRE)
Q1161 2SC2412K/QR/-X CHIP TRANSISTOR
Q1710 DTC124EKA-X DIGI TRANSISTOR
IC1701 MN1873287JA MN1873287JC IC (MICROCOMPUTER)
IC1702 AT24C08-21FTR AT24C08-21F4BK IC (MEMORY) (Service)
CF1161 SFE5.74MC2 C TRAP
CF1162 SFE5.74MC2 C TRAP
TU1001 QAU0192-001 QAU0186-001 TUNER
PARTS DIFFERENCE TABLE
The different parts between AV-14FT and AV-14F4(BK) are described below:
AV-14F4
No. 56008 3
AV-14FT AV-14F4(BK)
!!
!!
!REF. NO. PART NAME DESCRIPTION
PART No. PART No.
■PACKING PARTS LIST (Page 34)
1 GG10056-010A-H CP11434-062-H PACKING CASE
5 RM-C364-1H RM-C368-1H REMOCON UNIT
!7 LCT0757-001A-H LCT0761-001A-H INST BOOK
!8 LCT0758-001A-H DIGEST MANUAL
— ATEAB001-00A MATCHING BOX
AV-14F4
No. 560084
SPECIFICATIONS(Page 2)
Item Content
Dimensions (W ×H ×D) 462mm ×340.5mm ×375mm
Mass 10kg
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
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-C368-1H (Battery size : AA/R06/UM-3 ×2)
Design & specifications are subject to change without notice.
AV-14F4
No. 56008 5
Setting item Setting value Setting item Setting value
SUB POWER ON PICTURE MODE (VSM) BRIGHT
CHANNEL POSITION 1 POSITION OFF TIMER OFF
LANGUAGE THAI
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
BILINGUAL MODE I
SETTING OF SYSTEM CONSTANT SET (Page 7)
Table 1
USER SETTING VALUES (Page 7)
Table 2
Refer to OPERATING
INSTRUCTION
CHANNEL PRESET
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 YES
VNR NO
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
YES NO
AV-14F4
No. 560086
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) 0~127 43
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.
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 +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 +9V (W & G).
Adjustment part Description
6. TINT
NTSC 3.58 TINT Value (B) in the figure: Set to +7V (W & Cy).
AV-14F4
No. 56008 7
■DEFLECTION CIRCUIT ADJUSTMENT (Page 20)
: Do not adjust.
■VSM PRESET ADJUSTMENT (Page 22)
VSM preset
VSM mode BRIGHT STANDARD SOFT
Setting item
TINT +15 bb
bb
bbb
bb
b
SETTING VALUE
COLOUR +15 bb
bb
bbb
bb
b
SETTING VALUE
BRIGHT +15 bb
bb
bbb
bb
b
SETTING VALUE
CONT. +30 +19 +14
SETTING VALUE
SHARP +20 +20 +15
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 4. DEF]
AV-14F4
No. 560088
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 23)
[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.
CTH 0009
CRT
AV14F4BK-BK #3
VICTOR COMPANY OF JAPAN, LIMITED
TELEVISION RECEIVER DIVISION 1106 Heta, Iwai-city, Ibaraki-prefecture, 306-0698, Japan
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