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Sony KV-ES29M31 Service Manual page 58

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KV-ES29M31/ES29M61
RM-916
5-3. PICTURE QUALITY ADJUSTMENTS
SUB COLOR ADJUSTMENT (SCL)
1. Set to service mode.
2. Input RF PAL colorbar signal.
Set A/V control to PERSONAL.
3. Set to VP7 (Service mode) "DYC" = 0
4. Set the following condition.
Picture to 100%, Color to 0% and Bright to 0%.
5. Connect an oscilloscope to the pin 3 (BLUE) of CN705, C
board.
6. Using the 1 and 4 buttons select SAJ 3 (Service mode)
"SCL".
7. Using the 3 and 6 buttons on the Remote Commander to
adjust to VB2 = VB3 = VB4 with 3 and 6.
8. Write into the memory by pressing "MUTING" then "0".
9. Input NTSC colorbar signal to VIDEO1 and select VIDEO1
input.
10. Adjust as step 4. and 8. by receving NTSC colorbar.
11. Reset to VP 7 (Service mode) "DYC" = 1.
-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
00
0E
10
13
JGL
04
05
PICTURE QUALITY : HI-FINE
ECO MODE
WIDE MODE
DRC-MF
INPUT SIGNAL
Video Color Bar (White and Color 75%)
RF Color Bar (White and Color 75%)
CAUTION
After the above Adjustments, these adjustment parameters must be
recovered to the original condition.
VR ; R100 (the pin 6 of CN1100)
VB ; B100 (the pin 7 of CN1100)
http://cxema.ru
PIC
3F
DYC
0
CLO
7
HUO 7
PIO
0
BBT
0
LML 3
: OFF
: OFF
: DRC1250
1. NTSC VIDEO INPUT
Input signal ; NTSC color bar, 75% to Video 1.
[TWIN] mode, [Service] mode.
(i) SUB CONTRAST
Condition :
SAJ
JGL
SAJ
Adjusting parameter:
LEFT
RIGHT ;
VR
VR1 - VR2 = VR = 1.88 ± 0.07 (Vp-p)
(ii) SUB HUE/SUB COL
Condition :
SAJ
JGL
SAJ
Adjusting parameter:
LEFT
RIGHT ;
VB1 VB2 VB3
VB1 = VB4 ± 50 mV
VB2 = VB3 ± 50 mV
– 58 –
00
PIC
3F
02
COL
0
01
RGB
4
13
PIO
0
;
YCT
08
YOL
SYC
08
YOL
VR2
GND
02
COL
1F
01
RGB
7
10
HUO 7
;
YCT
0A
COL
YCT
00
TNT
SYC
0A
COL
SYC
00
TNT
VB4

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