Sony KV-EX29M61, Service Manual

Page: 49 / 114

KV-EX29M61
RM-964
– 49 –
7-3. PICTURE QUALITY ADJUSTMENTS
PICTURE ADJUSTMENT
1. Set to service mode.
2. Set A/V control to HI-FINE.
3. Set the following condition.
Adjustment condition
SAJ 00 PIC 3F
06 DYC 00
0E CLO 06
10 HUO 07
JGL 04 BBT 00
05 LML 03
ECO MODE : OFF
WIDE MODE : OFF
DRC-MF : DRC1250
MEASUREMENT POINT
VR : R100 (the pin 6 of CN1100)
VB : B100 (the pin 7 of CN1100)
CAUTION
After Adjustment, these adjustment parameters must be
recovered to the original condition.
Original Condition
SAJ 00 PIC 28 HI-FINE
06 DYC 0 HI-FINE
JGL 04 BBT 03
05 LML 00
1. DRIVE ADJUSTMENT (VIDEO MODE)
Input signal : PAL Color bar, to Video 1 [Service] mode.
(i) SUB CONTRAST
Condition : SAJ 00 PIC 3F
02 COL 00
JGL 01 RGB 04
Adjusting parameter:
YCT 08 YOL
2. DRIVE ADJUSTMENT (RF MODE)
Input signal : PAL Color bar HI-FINE Mode.
(i) SUB CONTRAST
Condition : SAJ 00 PIC 3F
02 COL 00
JGL 01 RGB 04
Adjusting parameter:
YCT 04 SCT
50 TV 50 VIDEO 60 TV 60 VIDEO
0E CLO 09 08 09 09
1O HUO 08 08 09 09
(ii) Copy SCT data to NTSC (RF MODE)
VR
VR2
GND
VR1 - VR2 = VR = 2.35 ± 0.07 (Vp-p)
SUB HUE/COL ADJUSTMENT
1. SUB HUE/SUB COL (VIDEO MODE)
Input signal : NTSC Color bar HI-FINE Mode.
Condition : SAJ 02 COL 1F
JGL 01 RGB 07
SAJ 10 HUO 07
Adjusting parameter:
YCT 0A COL
YCT 00 TNT
After the adjustment SAJ 10 HUO 9
2. SUB HUE/SUB COL (NTSC RF MODE)
Input signal : NTSC Color bar.
Condition : SAJ 02 COL 1F
JGL 01 RGB 07
SAJ 10 HUO 07
Adjusting parameter:
YCT 03 SCL
YCT 00 TNT
VB1 VB2 VB3
VB4
VB1 = VB4 ± 70 mV
VB2 = VB3 ± 70 mV
3. SUB COLOR ADJUSTMENT (PAL RF MODE)
Input signal : RF PAL Color bar HI-FINE Mode.
Condition : SAJ 02 COL 1F
JGL 01 RGB 07
Adjusting parameter:
YCT 03 SCL
VB1 VB2 VB3
VB4
VB1 = VB2 = VB3
PAL
NTSC