AV-32D503
AV-32D303
AV-32D203
ADJUSTMENTS
BASIC ADJUSTMENT
Measuring
ItemTest pointAdjustment partDescription
instrument
Check ofDC Voltmeter 1 : TP-911. Receive the black and white signal. (color off)
B1 power3 : TP-E(#)2. Connect the DC voltmeter to B1 connector 1 pin (TP-91) and
supply
TP-E(#).
B1 connector
3. Confirm that the voltage is DC134V?2V.
MAIN VCORemoteVCO (MAIN)" Under normal conditions, no adjustment is required. And it must
adjustmentcontrol unit[SERVICE MENU]not adjust without signal.
1. Receive the NTSC broadcast.
CW TRANSF.
2. Select the 10 VCO mode from the SERVICE MENU.
[MAIN PWB]
3. It checks that turn the CW TRANSF. and the character of
?HIGH LEVEL? changes the color.
4. Next, it check that turn the CW TRANSF. on the contrary and
the color of ?LOW LEVEL? changed.
5. At this time, it checks that ?SYNC? is ?YES?.
6. Turn the CW TRANSF. and it is made for the character of
?REFERENCE LEVEL? to become green. Again, it checks that
?SYNC? is ?YES?.
TUNER MAIN
HIGH LEVEL
REFERENCE LEVEL GREEN
LOW LEVEL
SYNC NO
SUB VCORemoteVCO (SUB)" Under normal conditions, no adjustment is required. And it must
adjustmentcontrol unit[SERVICE MENU]not adjust without signal.
Only for1. Receive the NTSC broadcast.
AV-32D503SUB CW TRANSF.2. Push the PIP key on the remote control unit. And display any
[PIP PWB]
broadcast program in the PIP screen that difference from MAIN
screen.
3. Select the 10 VCO mode and switch the SUB mode by pressing
the CURSOR / key.
4. It checks that turn the SUB CW TRANSF. and the character of
?HIGH LEVEL? changes the color.
5. Next, it check that turn the SUB CW TRANSF. on the contrary
and the color of ?LOW LEVEL? changed.
6. At this time, it checks that ?SYNC? is ?YES?.
7. Turn the SUB CW TRANSF. and it is made for the character of
?REFERENCE LEVEL? to become green. Again, it checks that
?SYNC? is ?YES?.
TUNER SUB
HIGH LEVEL
REFERENCE LEVEL GREEN
LOW LEVEL
SYNC NO
No. 5194723 |
ACEC
JVC
