Electrical Adjustment - Sony BDP-CX7000ES Service Manual

BDP-CX7000ES
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
Adjustment location:
– VP-062EJ Board (Component Side) –
30
SECTION 5

ELECTRICAL ADJUSTMENT

1.00 ± 0.05 Vp-p
Fig. 1
RV702
Component video output Y
adjustment
IC703
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
RV701
Composite video level
adjustment
1.00 ± 0.05 Vp-p
Fig. 2