Pioneer DVD-102 Service Manual page 8

1
DVD -102, DVD -A02
3.2 MAIN BOARD ASSY (ATAPI) (1/3)
A
B
0 V
0 V
C
CD FOCUS IN
2
4
1V/div., 5ms/div.
: SIGNAL ROUTE
D
V
: DC Voltage in
" TEST MODE "
A
1/3
8
1
2
MAIN BOARD ASSY (1/3)
A
1/3
(DWX1854)
VSHF GENERATION
ACTUATOR &
LOADING MOTOR
3
CD FOCUS IN
2
–GND
–GND
1V/div., 50ms/div.
CD SEARCH (Full stroke)
1
3
1V/div., 20ms/div.
2
3
CD 30 TRACK JUMP (FWD)
1
5
1V/div., 1ms/div.
3V
DRIVER
5
DVD FOCUS IN
2
–GND
4
1V/div., 5ms/div.
CD SEARCH (FWD Full stroke)
1
–GND
5
–GND
1V/div., 20ms/div.
3
4
CD 1 TRACK JUMP (FWD)
1
–GND
5
–GND
1V/div., 200µs/div.
0.2V
DVD FOCUS IN
2
–GND –GND
–GND
1V/div., 50ms/div.
DVD SEARCH (FWD Full stroke)
1
–GND –GND
3
–GND
–GND
1V/div., 20ms/div.
4
–GND
–GND