Read Sony KV-SW342M50 Service Manual online
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KV-SW342M50/M61/M80/N60
RM-GA002
Cathode setting voltage:
170 V
170 V
± 2 (VDC)
2-3. FOCUS ADJUSTMENT
FOCUS adjustment should be completed before W/B
adjustment.
adjustment.
1. Receive digital monoscope pattern.
2. Set Picture Mode to "DYNAMIC".
3. Adjust focus VR to obtain a just focus at the
2. Set Picture Mode to "DYNAMIC".
3. Adjust focus VR to obtain a just focus at the
center of the screen.
4. Change the receiving signal to white pattern
and blue back.
5. Confirm magenta ring is not noticeable. In case
magenta ring is obvious, then adjust FOCUS VR
to balance magenta ring and FOCUS.
to balance magenta ring and FOCUS.
2-4. G2 (SCREEN) ADJUSTMENTS
1. Set the following condition:
- Picture and Brightness to "STANDARD".
- TV to Video mode.
- WHBL 16 "RGBB" to 01.
- TV to Video mode.
- WHBL 16 "RGBB" to 01.
2. Connect R,G,B of the C/CV board cathode to
oscilloscope.
3. Adjust Brightness to obtain the cathode value
to the value stated below.
4. Adjust SCREEN VR on the FBT until the scanning line
disapprars.
5. Finally set WHBL 16 "RGBB" back to 00.
FLYBACK TRANSFORMER (T503)
Focus
Screen
2-5. WHITE BALANCE ADJUSTMENT
1. Set to Service Mode
2. Input white raster signal using signal generator.
3. Set the following condition:
2. Input white raster signal using signal generator.
3. Set the following condition:
Picture "DYNAMIC", PICT 006 "WTS" to 00.
4. At Higlight condition, select WHBL 03 "GDRV"
and 04 "BDRV" with 1 and 4 butter of the
remote commander then adjust the data with
3 and 6 button.
remote commander then adjust the data with
3 and 6 button.
5. At Cutoff, select WHBL 00 "BKOR" and 01 "BKOG"
and adjust the data.
6. Perform adjustment at Hightlight and Cutoff condition
until it reaches its target.
7. Write data into memory by pressing [MUTING]
➔-.
8. Finally set PICT 006 "WTS" back to its original data.
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