Sony KV-36XBR450, Service Manual, Page: 14 / 329

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KV-32HS20/36HS20/36HS20H/32XBR450/36XBR450/36XBR450H
2-6.3. RF INPUT - TWO PICTURE SUB
CONTRAST ADJUSTMENT
Preparation:
• Input a Color Bar signal to RF (75 IRE 75%).
• Set picture mode: P&P (PRO MODE).
1. Set to service mode and adjust as follows:
NO. Name Control Function Avg. Data
00 UPIC PICTURE 63
02 UCOL COLOR 0
NO. Name Control Function Avg. Data
01 RGBS R ON 4
2150P-4
2150P-2
INITIAL DATA (IMPORTANT)
NO. Name Control Function Avg. Data
23 SCON SUB-CONT 9
NO. Name Control Function Avg. Data
00 YLEV Y-OUT 23
NO. Name Control Function Avg. Data
00 YLEV Y-OUT 23
2150P-4
2103-1
2103-2
Note : Use the same average data as 2-6.1, items 3 and 4 after the
adjustment
2. Connect an oscilloscope to pin 1 of CN9001 (R. DRV) on the C
Board.
3. Adjust MAIN (left) side contrast according to service mode fro SCON.
NO. Name Control Function
02 SCON SUB-CONT
2103-1
4. Adjust SUB (right) side contrast according to service mode for SCON.
NO. Name Control Function
02 SCON SUB-CONT
2103-2
white
black
GND
VR2
VR1
32”: VR1-VR2 = VR = 1.92 ± 0.05 Vp-p
36”: VR1-VR2 = VR = 2.00 ± 0.05 Vp-p
5. Write data from steps 3 and 4 above, into memory.
2-6.4. RF INPUT - SUB HUE/SUB COLOR
ADJUSTMENT
Preparation:
• Input a Color Bar signal to RF (75 IRE 75%).
• Set picture mode: P&P (PRO MODE).
1. Set to service mode and adjust as follows:
NO. Name Control Function Avg. Data
00 UPIC PICTURE 63
02 UCOL COLOR 31
NO. Name Control Function Avg. Data
01 RGBS R ON 7
2150P-4
2150P-4
INITIAL DATA (IMPORTANT)
NO. Name Control Function Avg. Data
24 CLOF OFFSET for UCOL 8
25 HUOF OFFSET for UHUE 4
NO. Name Control Function Avg. Data
01 CLEV CB & CR-OUT 17
20 CBOF CB-OFFSET 31
21 CROF CR-OFFSET 31
NO. Name Control Function Avg. Data
01 CLEV CB & CR-OUT 17
20 CBOF CB-OFFSET 31
21 CROF CR-OFFSET 31
2150P-4
2103-1
2103-2
Note : Use the same average data as 2-6.2, items 3-6 after the
adjustment.
2. Connect an oscilloscope to pin 5 of CN9001 (B. DRV) on the C Board.
3. Adjust MAIN (left) side color according to service mode for SCOL.
4. Adjust MAIN (left) side color according to service mode for SHUE.
NO. Name Control Function
03 SCOL SUB COLOR
04 SHUE SUB HUE
2103-1
5. Adjust SUB (right) side color according to service mode for SCOL.
6. Adjust SUB (right) side color according to service mode for SHUE.
NO. Name Control Function
03 SCOL SUB COLOR
04 SHUE SUB HUE
2103-2
VB4
VB3 VB2 VB1