Sony KP-48V75 Service Manual page 37

KP-48V75/53V75/61V75
RM-Y903
RM-Y903 RM-Y903
3-9. ELECTRICAL ADJUSTMENT BY REMOTE
COMMANDER
By using Remote Commander (RM-Y903),all circuit adjustments
can be made.
NOTE : Test Equipment Required.
1. Pattern Generator
2. Frequency counter
3. Digital multimeter
4. Audio oscillator
1. METHOD OF SETTING THE SERVICE ADJUSTMENT MODE
SERVICE MODE PROCEDURE
1. Standby mode. (Power off)
2. DISPLAY n 5 n VOL (+) n TV POWER
(
+
5
on the Remote Commander.
(Press each button within a second.)
SERVICE MODE ADJUSTMENT
Category Adjustment item
SERVICE VP VPOS 31
0000
3. The CRT displays the item being adjusted.
4. Press 1 or 4 on the Remote Commander to select the item.
5. Press 3 or 6 on the Remote Commander to change the data.
6. Press 2 or 5 on the Remote Commander to select the cat-
egory.
7. If you want to recover the latest values press 7 then [ENTER] to
read the memory.
8. Press [MUTING] then [ENTER] to write into memory.
SERVICE MODE ADJUSTMENT
SERVICE VP VPOS 31
0000
8. Press 8 then [ENTER] on the Remote Commander to initialize.
9. Turn set off and on to exit.
)
DATA
0
MUTING WRITE
↓
0
ENTER
2. MEMORY WRITE CONFIRMATION METHOD
1. After adjustment, remove the plug from AC outlet, and then
replace the plug in AC outlet again.
2. Turn the power switch ON and set to Service Mode.
3. Call the adjusted items again and confirm they were adjusted.
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