Sony KV-32XBR400, Руководство по обслуживанию

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KV-32XBR400/36XBR400/36XBR400H/38DRC1/38DRC1C
3-4. FOCUS ADJUSTMENT
1. Input Monoscope signal.
2. Set VIDEO MODE: Standard (RESET).
3. Adjust focus VR counter-clockwise to confirm the dot's
shape is centered.
4. Confirm center focus with focus VR.
3-5. SCREEN (G2)
1. Input a monoscope pattern. (NTSC)
2. Set to service mode and adjust as follows:
CXA 2150P-2
No. Disp. Item Avg.
00 ALBK ALL_BLK 0
3. Adjust RV9002 on the C Board so that voltage on red, green
and blue cathodes is 170.0 +0.5V DC.
4. Adjust horizontal line at top of screen so it is cutoff.
Note: Never set ALBK to 1 when external power supply is
connected to cathode.
3-6. PICTURE QUALITY ADJUSTMENT
Initial set-up condition
1. Set PRO MODE (Picture : MAX, GAMMA :0)
2. Dynamic-color: Off (=Trinitone: MID).
3. Set the service mode to the following:
C2150P-4
No. Name Control Function Avg. Data
06 UDCL Dynamic Color: OFF 0
08 UGRAM GRAMMA 0
15 DCTR DC-TRAN 0
16 DPIC DYNAMIC PIC:OFF 0
4. Input Signal (480i):
Color Bar Video 75 IRE (White) 75% modulation
7.5% Set-up
Color Bar RF 75 IRE (White) 75% modulation
7.5% Set-up
3-6-1. VIDEO INPUT -Two Picture Sub
Contrast Adjustment
1. Input a Color Bar signal to VIDEO 1 (75 IRE 75%).
2. Set picture mode: P&P (PRO MODE).
3. Set to service mode and adjust as follows:
2150P-4
No. Name Control Function Avg. Data
00 UPIC PICTURE 63
02 UCOL COLOR 0
2150P-2
No. Name Control Function Avg. Data
01 RGBS R ON 4
INITIAL DATA (IMPORTANT)
2150P-4
No. Name Control Function Avg. Data
23 SCON SUB-CONT 9
2103-1
No. Name Control Function Avg. Data
00 YLEV Y-OUT 23
2103-2
No. Name Control Function Avg. Data
00 YLEV Y-OUT 23
4. Connect oscilloscope to Pin 1 of CN9001 (R. DRV) on C
Board.
5. Adjust MAIN (left) side contrast according to service mode
for SCON.
2103-1
No. Name Control Function
02 SCON SUB-CONT
6. Adjust SUB (right) side contrast according to service mode
for SCON.
2103-2
No. Name Control Function
02 SCON SUB-CONT
32”: VR1-VR2 = VR = 1.92 +0.05 Vp-p
36”/ 38”: VR1-VR2 = VR = 2.0 +0.05 Vp-p
7. Write data from 5 and 6 above into memory.