Section 4: Circuit Adjustments; Setting The Service Adjustment Mode; Memory Write Confirmation Method; Remote Adjustment Buttons And Indicators - Sony TRINITRON KV-20FA210 Service Manual

ELECTRICAL ADJUSTMENTS BY REMOTE COMMANDER

Use the Remote Commander (RM-Y180)
Test Equipment Required: 1. Pattern generator 2. Frequency counter 3. Digital multimeter 4. Audio oscillator
4-1. SETTING THE SERVICE ADJUSTMENT
MODE
1. Standby mode (Power off).
2. Press the following buttons on the remote commander within a
second of each other:
Display Channel 5
SERVICE ADJUSTMENT MODE ON
1. The CRT displays the item being adjusted.
Mode Category
service
Signal
ntsc
Type
vchp 00000000
2. Press 1 or 4 on the Remote Commander to select the item.
3. Press 3 or 6 on the Remote Commander to change the data.
4. Press MUTING then ENTER to write into memory.
SERVICE ADJUSTMENT MODE MEMORY
Mode Category
service
Signal
ntsc
Type
vchp 00000000
1. Press 8 then ENTER on the Remote Commander to initialize.
Display
Item
Mode Category
service defl hsiz
Signal write
ntsc
Type
vchp 00000000 00000000
3. Press MUTING then ENTER to write into memory.
2. Turn set off then on to exit Service Adjustment Mode.

SECTION 4: CIRCUIT ADJUSTMENTS

to perform the circuit adjustments in this section.
Sound Volumne +
Display
Item
Item
Data
defl hsiz 16
00000000
Display Item
Item Data
defl hsiz 16
write
00000000
Item
Data
16
Carry out Step 1 when adjusting
IDs 0-7 and when replacing and
adjusting IC002
4-2. MEMORY WRITE CONFIRMATION
METHOD
1. After adjustment, pull out the plug from the AC outlet, then replace
the plug in the AC outlet again.
2. Turn the power switch ON and set to Service Mode.
3. Call the adjusted items again to confirm they were adjusted.
Power
4-3. REMOTE ADJUSTMENT BUTTONS AND
INDICATORS
VOLUME (+)
(Service Mode)
— 17 —
3
Item
(Data up)
6
Item
(Data down)
5
(Device item
down)
ENTER
(Enter into
memory)
0
(Remove from
memory)
RM-Y180
KV-21FA210