Page 1
AV-F2983
AV-F2983
SERVICE MANUAL
COLOUR TELEVISION
BASIC CHASSIS
CM-II'
AV-F2983(MA)
This service manual mainly consists of the following items:
• The items which differ from those for the AV-F29MX3 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-F29MX3 Service Manual (No. 51641, Sep. 1999)
Note: The page in parentheses shows the one for the AV-F29MX3 Service Manual (No. 51641, Sep. 1999).
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-F2983
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-F2983-MA
COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD.
No. 56043 1
No. 56043
Aug. 2000
Page 2
AV-F2983
PARTS DIFFERENCE TABLE
The different parts between AV-F29MX3 and AV-F2983(MA) are described below:
!!
! REF. NO. PART NAME DESCRIPTION
!!
AV-F29MX3 AV-F2983(MA)
PART No. PART No.
■ EXPLODED VIEW PARTS LIST (Pages 33 and 34)
! V01 A68KVL74X02/DT/ A68KVL74X03/DT/ PICTURE TUBE
1 LC10414-001C-H LC10414-010A-H FRONT CABINET
4 LC20294-001A-H LC20294-004A-H DOOR
! 25 LC20377-010B-H LC20377-001B-H RATING LABEL
■ PACKING PARTS LIST (Page 63)
1 CP11781-051-H GG10056-028A-H PACKING CASE
! 7 LCT0434-001A-H LCT0847-001A-H INST BOOK
! 8 LCT0520-001A-H DIGEST MANUAL
— LCT0435-001A-H DIGEST MANUAL
No. 560432
Page 3
SPECIFICATIONS (Page 2)
Item Content
Dimensions (W × H × D) 765mm × 591mm × 524.6mm
Mass 38kg
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 75Ω Unbalanced
Power Input AC110 ~ 240V, 50 / 60Hz
Power Consumption 165W (Max.) / 120W (Avg.)
Picture Tube Visible size : 68cm measured diagonally
High Voltage 31kV +1/−1.5kV (at zero beam current)
Speaker 6cm × 12 cm Oval type × 2
Audio Output 5W + 5W
Input (S/Video-1, Video 1Vp-p, 75Ω
Video-2 & -3, Audio) S/Video Y: 1Vp-p Positive (negative sync provided, when terminated with 75Ω)
C: 0.286Vp-p (burst signal, when terminated with 75Ω)
Audio (L/R) 500mVrms (−4dBs), High impedance
Output Video 1Vp-p, 75Ω
Audio (L/R) 500mVrms (−4(syn) –4dBs), Low impedance, RCA × 2
Headphone Jack Stereo mini jack (3.5ø)
Remote Control Unit RM-C235-1C (Battery size : AA/R06/UM-3 × 2)
AV-F2983
Design & specifications are subject to change without notice.
No. 56043 3
Page 4
AV-F2983
SPECIFIC SERVICE INSTRUCTIONS
SETTING OF SYSTEM CONSTANT SET (Page 9)
Table 1
Setting item Setting contents Setting value
1. COLOUR AUTO NO
2. COLOUR MULTI
3. ECO SENSOR YES
4. BASS NO-SB-ON
5. VOL. LIMITER YES
6. TEXT NO
7. MSP NO
8. LANGUAGE E/R/A/F
9. EW-PIN IC YES
10. B/B OFF MUTE OFF
11. LED 3
12. D/K NICAM NO
13. ALC YES
14. BBE NO
YES NO
MULTI. TRIPLE PAL
YES NO
YES-BB YES-BB-SB YES-SB
NO-SB-OFF NO-SB-ON YES-BA
YES NO
YES NO
YES NO NO-A2
E/R/A/F E/A/F E/A E/F
YES NO
ON OFF
23
YES NO
YES NO
YES NO
USER SETTING VALUES (Page 9)
Table 2
Setting item Setting value Setting item Setting value
SUB POWER ON BASS CENTER
CHANNEL POSITION 1 POSITION BALANCE CENTER
CHANNEL PRESET
VOLUME Appropriate sound volume AUTO SHUTOFF OFF
TV/VIDEO TV ECO SENSOR OFF
ON SCREEN DISPLAY POSITION NUMBER DISPLAY LANGUAGE ENGLISH
COLOUR SYSTEM AUTO PAL ALC HIGH
SOUND SYSTEM B / G BLUE BACK OFF
PICTURE MODE (VSM) BRIGHT ON TIMER PR1 0:00
LIVE SPATIAL OFF CHILD LOCK OFF
TREBLE CENTER
Refer to OPERATING VNR OFF
INSTRUCTIONS OFF TIMER OFF
No. 560434
Page 5
SERVICE ADJUSTMENTS
■ Initial Setting Value
■ IF CIRCUIT ADJUSTMENT -- Adjustment of DELAY POINT (Page 17)
AV-F2983
Setting
(Adjustment)
item
DELAY POINT
(AGC TAKE-OVER)
Variable Initial setting
range value
0 ~ 63 19
V/C (VIDEO/CHROMA) CIRCUIT ADJUSTMENT (Page 17)
[SUB MENU 2. V/C]
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 0 b b b
2. DRIVE (R / B) −128 ~ +127 0 b b b
3. BRIGHT −128 ~ +127 +6 b b b
4. CONT. −42 ~ +42 +3 b b b
5. COLOUR −60 ~ +68 +21 +16 +19 0
6. TINT TV / VIDEO −64 ~ +63 +4 / −4 −4 / −4
7. BLACK OFFSET (R-Y / B-Y) −8 ~ +7 +4 / +2
8. SHARP TV / VIDEO −32 ~ +31 −7 / +1 b b b
9. TEXT (RGB) CONT. −128 ~ +77 +50 b b b
10. B.S.OFF 0 ~ +1 0 b b b
11. B.S.POINT 0 ~ +7 +5 b b b
12. DC TRAN RATE 0 ~ +7 +3 b b b
13. APA-CON FO/SW 0 ~ +3 +1 b b b
14. VSM PHASE 0 ~ +3 +2 b b b
15. VSM GAIN 0 ~ +3 +1 b b b
16. CLL SW 0 ~ +1 +1 b b b
17. CLL LEVEL 0 ~ +3 +2 b b b
18. ABL POINT 0 ~ +7 +2 b b b
19. ABL GAIN 0 ~ +7 +2 b b b
20. Y-DL (TV / VIDEO / S) 0 ~ +7 +2 / +4 / +2 +3 / +3 / +2 +4 / +4 / +2 b
21. P.ACL SW 0 ~ +1 +1 b b b
22. WPL SW 0 ~ +1 0 b b b
23. Y GAMMA 0 ~ +1 0 b b b
: Do not adjust.
No. 56043 5
Page 6
AV-F2983
Adjustment of SUB COLOUR-II (Page 20)
Adjustment part Description
5. COLOUR
PAL COLOUR Value (A) in the figure: Set to +13V (W & G).
SECAM COLOUR Value (A) in the figure: Set to +11V (W & G).
NTSC 3.58 COLOUR Value (A) in the figure: Set to +11V (W & G).
Adjustment of SUB TINT-II (Page 21)
Adjustment part Description
6. TINT
NTSC 3.58 TINT Value (B) in the figure: Set to +8V (W & Cy).
■ DEFLECTION CIRCUIT ADJUSTMENT (Page 23)
[SUB MENU 4. DEF]
Setting item Adjustment name Variable range
1. TRAPEZ Trapezoidal distortion correction −32 ~ +31 −8 −1
2. V-SHIFT Vertical center −32 ~ +31 0 +5
3. V-SIZE Vertical height −64 ~ +63 −10 0
4. H-CENT Horizontal center −16 ~ +15 −13 −10
5. H-SIZE Horizontal width −64 ~ +63 +17 0
6. EW-PIN Side pin correction −64 ~ +63 −15 −1
7. V-S. CR Vertical height correction −64 ~ +63 0 +1
8. V-EDGE Vertical edge correction −64 ~ +63 +2 −1
9. EW-COR Side pin fore correction −64 ~ +63 −6 −1
10. V-LINE Vertical linearity −16 ~ +15 0 +3
11. H-COMP Horizontal compensation 0 ~ +15 0 0
: Do not adjust.
Initial setting value
50Hz 60Hz
No. 560436
Page 7
■ VSM PRESET ADJUSTMENT (Page 27)
[Setting Values for SUB MENU 5. VSM PRESET]
VSM preset
VSM mode BRIGHT STANDARD SOFT
Setting item
AV-F2983
1. TINT
SETTING VALUE
2. COLOUR
SETTING VALUE
3. BRIGHT
SETTING VALUE
4. CONT.
SETTING VALUE
5. SHARP
SETTING VALUE
: Do not adjust.
0
0
0
+15
0
bb
b
bb
bb
b
bb
bb
b
bb
+4
bb
b
bb
bb
b
bb
bb
b
bb
bb
b
bb
−4
−3
■ CENTER ADJUSTMENT (Page 27)
● Do not adjust 6. CENTER (TREBLE, BASS) in the SERVICE MENU as it requires no adjustment.
[SUB MENU 6. CENTER]
Setting item Initial setting value (fixed)
TREBLE +2
BASS 0
: Do not adjust.
No. 56043 7
Page 8
AV-F2983
VICTOR COMPANY OF JAPAN, LIMITED
TELEVISION RECEIVER DIVISION 1106 Heta, Iwai-city, Ibaraki-prefecture, 306-0698, Japan
No. 560438
AVF2983MA-H #3
CTH 0008
CRT
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