No. 52003
AV-36F703
AV-36F713
AV-36F803
22
ADJUSTMENTS
CHECK OF THE B1 POWER SUPPLY
Item
Measuring
instrument
Test point
Ad justment part
Description
Check of
B1 POWER
SUPPLY
DC Voltmeter
【
【
【
【
B1
】
】
】
】
Connector
(pin1 & pin3)
TP-91(pin1)
TP-E(
#
):(pin3)
1. Receive the blac k-and-white signal. (color off)
2. Connect the DC voltmeter to
【
B1
】
connector pin
【
1
】
(TP-91)
and TP-E(
#
) (B1 connector pin
【
3
】
).
3. Confirm that the voltage is DC134.5V
±
2V.
ADJUSTMENT OF VCO
Item
Measuring
instrument
Test point
Ad justment part
Description
Be sure to input the signal.
MAIN VCO
adjustment
Signal
generator
Remote
control unit
10:VCO
MAIN VCO(T111)
[MAIN PWB]
1. Receive the color bar s ignal.
2. Enter to the SERVICE MENU mode.
3. Select the
10:VCO
mode from the SERVICE MENU.
4. Push the FUNCTION / key, with the remote c ontrol unit
and s elect the tuner to MAIN.
5. Confirm that the color change from
HIGH LEVEL
to
LOW
LEVEL
by adjust the MAIN VCO at MAIN PWB, and chec k the
SYNC
is
YES
.
6. Adjust until
REFERENCE LEVEL
mark turns green.
And then confirm that the
SYNC
is
YES
again.
7. Press the EXIT key to return to SERVICE MENU.
Be sure to input the signal.
SUB VCO
adjustment
Signal
generator
Remote
control unit
10:VCO
SUB VCO(T4111)
[PIP PWB]
1. Receive the color bar s ignal.
2. Enter to the SERVICE MENU mode.
3. Select the
10:VCO
mode from the SERVICE MENU.
4. Push the FUNCTION / key with the remote control unit,
and s elect the tuner to SUB.
5. Confirm that the c olor c hange from
HIGH LEVEL
to
LOW
LEVEL
by adjus t the SUB VCO at PIP PWB, and check the
SYNC
is
YES
.
6. Adjust until
REFERENCE LEVEL
mark turns green.
And then confirm that the
SYNC
is
YES
again.
7. Press the EXIT key to return to the SERVICE MENU screen.
TUNER
MAIN
HIGH LEVEL
REFERENCE LEVEL
LOW LEVEL
SYNC :
YES
GREEN
TUNER
SUB
HIGH LEVEL
REFERENCE LEVEL
LOW LEVEL
SYNC :
YES
GREEN
Only for
AV-36F803
/Y
