Read Sony KV-21FS105 (serv.man2) Service Manual online
17
KV-21FS105
KV-21FS105
4-1. SETTING 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
Sound Volume +
Power
Service Adjustment Mode In
1. The CRT displays the item being adjusted.
SERVICE
HSIZ
Display
Item
Mode
Item
Data
Data
0
2. Press 1 or 2 on the Remote Commander to select an item.
3. Press 3 or 6 on the Remote Commander to change the data.
4. To save into memory, press MUTING then ENTER .
Service Adjustment Mode Memory
ENTER
MUTING
SERVICE
WRITE
1. Press 8 then ENTER on the Remote Commander to initialize.
Carry out Step 1 when adjusting
ID’s 0-4 and when replacing and
adjusting IC003.
ID’s 0-4 and when replacing and
adjusting IC003.
SERVICE
RESET
2. To exit Service Adjustment mode, turn set off then on..
SECTION 4: CIRCUIT ADJUSTMENTS
ELECTRICAL ADJUSTMENTS BY REMOTE COMMANDER
Use the Remote Commander (RM-Y173) to perform the circuit adjustments in this section.
Test Equipment Required: 1. Pattern generator 2. Frequency counter 3. Digital multimeter 4. Audio oscillator
4-2. MEMORY WRITE CONFIRMATION
METHOD
1. After adjustment, remove 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 confi rm they were adjusted.
4-3. REMOTE ADJUSTMENT BUTTONS AND
INDICATORS
RM-Y173
POWER
(Service Mode)
3
Item
(Data up)
(Data up)
5
(Device item
down)
(Device item
down)
ENTER
(Enter into
memory)
memory)
0
(Remove from
memory)
memory)
6
Item
(Data down)
(Data down)
DISPLAY
(Service Mode)
MUTING
(Enter into
memory)
memory)
2
(Device Item Up)
4
Disp. (Item down)
8
(Initialize)
1
Disp. (Item up)
VOLUME (+)
(Service Mode)
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