42
PDV-LC10
Adjustment Points (PCB Part)
Adjustment Items
6.1 ADJUSTMENT ITEMS AND LOCATION
6. ADJUSTMENT
[Electrical Part]
16MHz Master Clock Adjustment
1
6.2 JIGS AND MEASURING
INSTRUMENTS
EXCHANGE PCB ASSY
Mechanical
point
Electric
point
Exchange board
PDVDM ASSY
Note : is adjusted already.
6.3 NECESSARY ADJUSTMENT POINTS
When
Adjustment Points
CN201
1, 2
: Focus Error
3, 4
: GND
5, 6
: RF
7
: S REQ
8
: 3.3V
9,10 : Tracking Error
11,12 : VREF (Approx. 2.5V)
13
: VCO DR
14
: Focus Drive (DSP output)
PDVDM ASSY
1
IC610
PD4995A
IC602
PD3410A
IC901
SIDE A
CN401
CN201
SIDE B
CN601
DOWNLOAD
CN1
BATTERY/
TV TUNER
1
1
1
7
8
13
2
2
14
Dual-trace oscilloscope
(with delay)
Frequency band
≥
40MHz
Frequency counter
Display digit
≥
8-digit
CH1
CH2
(X)
(Y)
Screwdriver (small)
VC901