Sony KD-30XS955 Service Manual page 18

2-6.2. VIDEO INPUT - SUB HUE/SUB COLOR
ADJUSTMENT
Preparation:
• Input a Color Bar signal to VIDEO 1 (75 IRE 75%).
• Set picture mode: Single (Full) (PRO MODE Reset).
• Picture: Max
1. Set to Service Mode and adjust as follows:
2170P-2
NO. Name Control Function
01 RGBS R ON
2. Connect an oscilloscope to Pin 5 of CN9001 (B. DRV) on the
CX Board.
3. 0Adjust color according to Service Mode for SCLO.
4. Adjust color according to Service Mode for SHUO.
2103-1
NO. Name
03 SCOL
04 SHUE
VB1
COLOR: VB1 < VB4 (=20mV ± 200 mV)
HUE: VB2 < VB3 (=20mV ± 200 mV)
5. Write data into memory.
KD-30XS955/34XBR960/34XS955/36XS955
Avg. Data
7
4
Control Function
SUB-COL
SUB-HUE
VB4
VB2 VB3
2-6.3. RF INPUT - SUB CONTRAST
ADJUSTMENT
Preparation:
• Input a Color Bar signal to RF (75 IRE 75%).
• Set picture mode: Single (Full) (PRO MODE).
• Picture: Max
• Color: Min
1. Set to Service Mode and adjust as follows:
2170P-2
NO. Name Control Function
01 RGBS R ON
2. Connect an oscilloscope to Pin 1 of CN9001 (R. DRV) on the
CX Board.
3. Adjust contrast according to service mode for SCON.
2103-1
NO. Name
02 SCON
white
VR1
(32XS/34XBR/34XS/36XS) = 1.60 ± 0.05 Vpp
4. Write data from Step 3 above, into memory.
KD-30XS955/34XBR960/34XS955/36XS955
Avg. Data
4
Control Function
SUB-CONT
black
VR2
GND
VR
18