Service Adjustments - JVC AV-21P8 Service Manual

AV-21P8

SERVICE ADJUSTMENTS

Initial Setting Value
IF CIRCUIT ADJUSTMENT -- Adjustment of DELAY POINT (Page 15)
Setting
(Adjustment)
item
DELAY POINT
(AGC TAKE-OVER)
V/C (VIDEO/CHROMA) CIRCUIT ADJUSTMENT (Page 15)
[SUB MENU 2. V/C]
Colour system
Setting item
1. CUT OFF (R / G / B)
2. DRIVE (R / B)
3. BRIGHT (RF/VIDEO)
4. CONT. (RF/VIDEO)
5. COLOUR
6. TINT (TV / VIDEO)
7. BLACK OFFSET (R-Y / B-Y)
8. SHARP (TV / VIDEO)
9. TEXT (RGB) CONT.
10. B.S.OFF
11. B.S.POINT
12. DC TRAN RATE
13. APA-CON FO/SW
14. VSM PHASE
15. VSM GAIN
16. CLL SW
17. CLL LEVEL
18. ABL POINT
19. ABL GAIN
20. Y-DL (TV / VIDEO / S)
21. P.ACL SW
22. WPL SW
23. Y GAMMA
: Do not adjust.
6
Variable Initial setting
range value
0 ~ 63 19
Variable
range
−128 ~ +127
−128 ~ +127
−128 ~ +127
−42 ~ +42 0 / −6
−60 ~ +68
−64 ~ +63
−8 ~ +7
−32 ~ +31 −15 / 0
−128 ~ +77
0 ~ +1
0 ~ +7
0 ~ +7
0 ~ +3
0 ~ +3
0 ~ +3
0 ~ +1
0 ~ +3
0 ~ +7
0 ~ +7
0 ~ +7 +2 / +4 / +2
0 ~ +1
0 ~ +1
0 ~ +1
No. 56095
Initial setting value
PAL SECAM
b
0
b
0
+2 / −1
0 / 0
−7 / −8
+11 +3
+4 / +2
b
b
+10
b
0
b
+6
b
0
b
+1
b
+3
b
+1
b
+1
b
+2
b
+5
b
+1
+3 / +3 / +2
b
+1
b
0
b
0
NTSC 3.58 NTSC 4.43
b b
b b
0 / −2
−8 / −7
+15
0
+12 / 0 0 / −4
−20 / 0
b b
b b
b b
b b
b b
b b
b b
b b
b b
b b
b b
+2 / +2 / +2 +4 / +4 / +2
b b
b b
b b