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KV-20S90 / 21SE43C

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 Sound Volumne + Power

SERVICE ADJUSTMENT MODE ON

1. The CRT displays the item being adjusted.
Mode Display
Item
Item
Data
SERVICE HSIZ 0
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
WRITE
ENTER
Green
Red
MUTING
SERVICE
1. Press 8 then ENTER on the Remote Commander to initialize.

Mode

Carry out Step 1 when adjusting

IDs 0-7 and when replacing and

adjusting IC003

SERVICE RESET

2. Turn set off then on to exit service adjustment mode.

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 confi rm they were adjusted.

4-3. REMOTE ADJUSTMENT BUTTONS AND

INDICATORS

SECTION 4: CIRCUIT ADJUSTMENTS

ELECTRICAL ADJUSTMENTS BY REMOTE COMMANDER

Use the Remote Commander
(RM-Y155) to perform the circuit adjustments in this section.
Test Equipment Required: 1. Pattern generator 2. Frequency counter 3. Digital multimeter 4. Audio oscillator
RM-Y155

MUTING

DISPLAY

1
2
3
4
5
6
8
0

VOLUME (+)

POWER

ENTER

(Enter into
memory)
(Service Mode)
Disp. (Item up)
(Device Item Up)
Disp. (Item down)
(Initialize)
(Service Mode)
Item (Data up)
Item (Data down)
(Device item down)
(Enter into
memory)
(Remove from
memory)
(Service Mode)