Sony BA-4D Instrukcja serwisowa - Strona 5
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Use the Remote Commander (RM-Y168) to perform the circuit adjustments in this section.
NOTE: Test Equipment Required:
• Pattern generator
• Frequency counter
• Digital multimeter
• Audio oscillator
5-1. Setting the Service Adjustment Mode
1. Standby mode (power off).
2. Display
Channel 5
on the Remote Commander (press each button within a
second).
Service Adjustment Mode On
1. The CRT displays the item being adjusted.
Disp.
(Item)
SERVICE
2. Press
or
on the Remote Commander to select an
item.
3. Press
or
on the Remote Commander to change the data.
4. Press
then
Service Adjustment Mode Memory
SERVICE
WRITE
1. Press
then
on the Remote Commander to
initialize.
SERVICE
RESET
Carry out step 1 when adjusting
IDs 0–4 and when replacing
and adjusting IC003.
2. Turn set off then on to exit service adjustment mode.
SECTION 5
CIRCUIT ADJUSTMENTS
+
Sound volume
Power ON
Item
Data
HSIZ
0
to save into the memory.
MUTING
Green
ENTER
Red
— 19 —
KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/
29AL66C/29SL42/29SL42C/29SL46/29XL42M
5-2. Memory Write Confirmation Method
1. After adjustment, remove the power plug from the AC
outlet, then plug it in again.
2. Turn the power switch ON and set to service mode.
3. Call the adjusted items again to confirm they were adjusted.
5-3. Adjust Buttons and Indicators