22
XTL-W7000
SECTION 5
ELECTRICAL ADJUSTMENTS
MAIN SECTION
VCO CENTER FREQUENCY ADJUSTMENT
Setting:
Adjustment Location:
MAIN board
TP1003
+
–
frequency counter
TP1001 (GND)
Procedure:
1. Connect the TP1002 to ground and enter the VCO adjustments
mode.
2. Connect a frequency counter to the TP1003 and TP1001
(GND) on the MAIN board.
3. Adjust the CT1001 on MAIN board so that the value of
frequency counter becomes as following specified value.
Specified value:
NTSC model : 15.734 kHz
±
0.02 kHz
PAL model
: 15.625 kHz
±
0.02 kHz
CT1001
– MAIN Board (Component Side) –
– MAIN Board (Conductor Side) –
TP1001
TP1003
TP1002