JVC AV-21F4EE - Service Adjustments; IF Circuit Adjustment; V;C (Video;Chroma) Circuit Adjustment; Adjustment of Sub Colour-II

AV-21F4EE
No. 56006C 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]
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 +8V (W & G).
SECAM COLOUR Value (A) in the figure: Set to +6V (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 +7V (W & Cy).
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 −5 / +15 bbb
: Do not adjust.
Variable Initial setting
range value
Setting (Adjustment) Item
DELAY POINT
(AGC TAKE-OVER)
0 ~ 127 43