Sony KL-X9200M Service Manual page 35

A BOARD ADJUSTMENT
Y-Level Adjustment
3D comb Y-level adjustment (RV2101)
1. Input NTSC 10 step signal.
2. Connect oscilloscope to TP2101.
3. Adjust with RV2101 so that the value becomes 1.48V
±0.05Vp-p.
1.48V ±0.05Vp-p
*Except Sync part
Sync
Digital comb Y-level adjustment (RV2301)
1. Input NTSC 10 step signal.
2. Connect oscilloscope to TP2301.
3. In the SERVICE mode, change ECBM of [TDA9143-1]
to "1".
4. Adjust with RV2301 so that the value becomes 1.48V
±0.05Vp-p.
1.48V ±0.05Vp-p
*Except Sync part
Sync
MCP Output Adjustment
1. Green offset adjustment
1) Input 1Vpp of NTSC 10 step signal from Video input 1.
2) Connect oscilloscope to TP6002(G).
3) In the SERVICE mode, select SUB BRT OFFSET of
[CXA2101-1] and adjust so that pedestal level and 0IRE
level become equal.
4) save data.
0IRE
Make this part flat
2. Green drive level adjustment
1)
2)
3)
4)
3. Blue offset adjustment
1)
2)
3)
4)
4. Blue drive level adjustment
1)
2)
3)
4)
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Input 1Vp-p of NTSC 10 step signal from Video input 1.
Connect oscilloscope to TP6002(G).
In the SERVICE mode, select G DRIVE of [CXA2101-
1] and adjust so that the value becomes 0.7V ±0.03Vp-p.
save data.
0.7V ±0.03Vp-p
0IRE
Input 1Vpp of NTSC 10 step signal from Video input 1.
Connect oscilloscope to TP6001(B).
In the SERVICE mode, select CB OFFSET1of
[CXA2101-1] and adjust so that pedestal level and 0IRE
level become equal.
save data.
0IRE
Make this part flat
Input 1Vpp of NTSC 10 step signal from Video input 1.
Connect oscilloscope to TP6001(B).
In the SERVICE mode, select B DRIVE of [CXA2101-
1] and adjust so that the value becomes 0.7V ±0.03Vp-p.
Save data.
0.7V ±0.03Vp-p
0IRE
KL-X9200M/X9200U
RM-902
100IRE
100IRE
100IRE