Service Adjustments - JVC AV-14F7 Service Manual

AV-14F7

SERVICE ADJUSTMENTS

Initial Setting Value
IF CIRCUIT ADJUSTMENT -- Adjustment of DELAY POINT (Page 17)
Setting (Adjustment) Item
NTSC3.58
DELAY POINT
(AGC TAKE-
Others
OVER)
V/C (VIDEO/CHROMA) CIRCUIT ADJUSTMENT (Page 17)
[SUB MENU 2. V/C]
Colour system
Setting item
1. CUT OFF (R / G / B)
2. DRIVE (R / B)
3. BRIGHT
4. CONT.
5. COLOUR (P / S / N3 / N4)
6. TINT (N3 / N4) TV / VIDEO
7. SECAM BL ADJUST
8. SHARP TV / VIDEO
9. AMP T. SHARP
: Do not adjust.
Adjustment of SUB COLOUR-II (Page 20)
Adjustment part
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 of SUB TINT-II (Page 21)
Adjustment part
6. TINT
NTSC 3.58 TINT Value (B) in the figure: Set to +5V (W & Cy).
6
Variable Initial setting
range value
48
0 ~ 127
43
Variable
range PAL
−128 ~ +127 −50
−64 ~ +63
−128 ~ +127
−64 ~ +63
−64 ~ +63
−64 ~ +63
−32 ~ +31
−32 ~ +31 −15 / +5
−16 ~ +15
Description
Description
No. 56098
Initial setting value
SECAM
b
b
0
b
0
b
0
b
0
b
0
b
b
0
NTSC 3.58 NTSC 4.43
b b
b b
b b
b b
b b
0 / +8
0 / 0
b b
b b
b b