Electrical Adjustment - Sony BDP-CX7000ES Service Manual

BDP-CX7000ES
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In making adjustment, adjustment related parts arrangement.
This section describes procedures and instructions necessary for
adjusting electrical circuits in this set.
Instruments required:
1) Color monitor TV
2) Oscilloscope 1 or 2 phenomena, band width over 100 MHz,
with delay mode
3) Standard commander (RM-ADP036)
ADJUSTMENT OF VIDEO SYSTEM
1. Composite Video Level Adjustment (VP-062EJ BOARD)
Mode Video output test in service mode
Signal Color bar
VIDEO OUT connector
Test point
（75 Ω terminated）
Instrument Oscilloscope
Adjusting ele-
RV701
ment
Specifi cation 1.00 ± 0.05 Vp-p
Adjusting method:
1) In the service mode initial menu [1] Diag → Audio Video Test
→ [ENT] Gen. TONE & Color Bar
Video output test, set so that color bar are generated.
2) Adjust the RV701 to attain 1.00 ± 0.05 Vp-p
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Fig. 1
Adjustment location:
– VP-062EJ Board (Component Side) –
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SECTION 5

ELECTRICAL ADJUSTMENT

1.00 ± 0.05 Vp-p
RV702
Component video output Y Composite video level
adjustment
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2. Component Video Output Y Adjustment (VP-062EJ BOARD)
Mode Video output test in service mode
Signal Color bar
VIDEO OUT connector
Test point
（75 Ω terminated）
Instrument Oscilloscope
Adjusting ele-
RV702
ment
Specifi cation 1.00 ± 0.05 Vp-p
Adjusting method:
1) In the service mode initial menu [1] Diag → Audio Video Test
→ [ENT] Gen. TONE & Color Bar
Video output test, set so that color bar are generated.
2) Adjust the RV702 to attain 1.00 ± 0.05 Vp-p
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3 6 7 1 3 1 5
RV701
adjustment
co
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9 4 2 8
1.00 ± 0.05 Vp-p
Fig. 2
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