Electrical Adjustment - Sony STR-V333ES Service Manual

[IDLING CURRENT ADJUSTMENT]
Measuring Instrument:
Adjustment Procedure:
Channel Test point Adjustment element
FRONT L TP501
FRONT R TP551
CENTER TP601
REAR L TP701
REAR R TP751
Adjustment Location:
[POWER AMP BOARD]
TP551
RV551
TP751
[OSD ADJUSTMENT]
Measuring Instrument:
Procedure:
1. Connect the frequency counter to check connector (TP201) of
the S VIDEO board.
2. Connect between Pin 3 to Pin 4 of TP201 by lead wire.
3. Adjust the respective adjustment element so that the frequency
counter read specification.
MODEL
Adj.
EXCEPT
US,CND,TW model
I
US, CND, TW model
All models
II
4. After check, remove the lead wire connected in step 2.
Adjustment Location:
[S-VIDEO BOARD]
10
SECTION 4

ELECTRICAL ADJUSTMENT

Digital voltmeter
Adjust the respective adjustment elements so that the voltage (absolute value) across the corresponding
testpoints satisfies the specification.
Specification
RV501
RV551
RV601
6mV
RV701
RV751
TP501
TP601
RV601
TP701
RV701
RV751
frequency counter
Adjustment
element
CT202
NTSC
(CLOCK BOARD)
CT201
PAL
(CLOCK BOARD
CT203
(S-VIDEO BOARD)
CT204
(S-VIDEO BOARD)
CT203
CT204
1
TP201
RV501
S- VIDEO
BOARD
TP201
1 4
measurement
point
TP201
Pin 1
TP201
Pin 2
[CLOCK BOARD]
4
frequency counter
+
–
Shorting
Specification
7.2MHz ± Hz
14.306MHz ± Hz
CT201
CT202