Sony TRINITRON KV-ES38N90, Service Manual

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KV-ES38N90
RM-958
(ii) SUB HUE/SUB COL
Condition : SAJ 02 COL 1F
JGL 01 RGB 7
SAJ 10 HUO 7
Adjusting parameter:
LEFT ; YCT 0A COL
YCT 00 TNT
RIGHT ; SYC 0A COL
SYC 00 TNT
VB1 VB2 VB3
VB4
VB1 = VB4 ± 70 mV
VB2 = VB3 ± 70 mV
6-3. PICTURE QUALITY ADJUSTMENTS
H-TRAPIZIUM ADJUSTMENT
1. Input a cross hatch/dot signal.
2. Adjust DAC 4 HTR to make H-Trapizoid distortion best.
SUB CONTRAST, SUB HUE, SUB COLOR
Adjustment condition
SAJ 00 PIC 3F
06 DYC 0
0E CLO 6
10 HUO 7
13 PIO 0
JGL 04 BBT 0
05 LML 3
PICTURE QUALITY : HI-FINE
ECO MODE : OFF
WIDE MODE : OFF
DRC-MF : DRC1050
INPUT SIGNAL
Video Color Bar (White and Color 75%)
RF Color Bar (White and Color 75%)
MEASUREMENT POINT
VR ; R100 (the pin 6 of CN1100 at A board)
VB ; B100 (the pin 7 of CN1100 at A board)
CAUTION
After the above Adjustment, these adjustment parameters must
be recovered to the original condition.
Original condition
SAJ 00 PIC 28 HI-FINE
SAJ 06 DYC 0 HI-FINE
50 TV 50 VIDEO 60 TV 60 VIDEO
OE CLO 9 8 6 6
10 HUO 8 8 9 9
13 PIO TWIN = 3
JGL 04 BBT 3
05 LML 0
1. NTSC VIDEO IN PUT
Input signal ; NTSC color bar, 75% to Video 1.
[TWIN] mode, [Service] mode.
(i) SUB CONTRAST
Condition : SAJ 00 PIC 3F
02 COL 0
JGL 01 RGB 4
SAJ 13 PIO 0
Adjusting parameter:
LEFT ; YCT 08 YOL
RIGHT ; SYC 08 YOL
VR1
VR2
GND
VR1 - VR2 = VR = 1.85 ± 0.07 (Vp-p)
2. NTSC RF INPUT
Input signal ; NTSC RF color bar, 75%.
[TWIN] mode, [Service] mode.
(i) SUB CONTRAST
Condition : SAJ 00 PIC 3F
02 COL 0
JGL 01 RGB 4
Adjusting parameter:
LEFT ; YCT 04 SCT
RIGHT ; SYC 04 SCT
VR1
VR2
GND
VR1 - VR2 = VR = 1.85 ± 0.07 (Vp-p)
(ii) SUB HUE/SUB COL
Condition : SAJ 02 COL 1F
JGL 01 RGB 7
SAJ 10 HUO 7
Adjusting parameter:
LEFT ; YCT 03 SCL
YCT 00 TNT
RIGHT ; SYC 03 SCL
SYC 00 TNT
VB1 VB2 VB3
VB4
VB1 = VB4 ± 70 mV
VB2 = VB3 ± 70 mV