Sanyo FISHER DVD-1500 Service Manual page 22

TROUBLE SHOOTING (CHECK WAVEFORM)
-Respond to numbering of each list of "CHECK FLOW AND TROUBLE SHOOTING"
(30)
POWER ON -> DISC distinction (DVD)
-> auto ajust. -> AUTO PLAY
MLD2 SEL
HFM
LCSW
LCD1/2
GND
(32)
DVD PAUSE
MLD2 RF
TE
RPO
RPZ
VRA
(34)
DVD one-layer
INIT. process
FOCUS DRV.
IC601 25pin
Lens down
Disc jugement
FE
TP513
TE
TP512
spindle
IC601 22pin
VRA
AUTO PLAY MODE
Servo on
(31)
DVD PLAY -> STOP
MLD2
SEL
HFM
LCSW
LCD1/2
(33)
CD PAUSE
MLD2 RF
TE
RPO
RPZ
VRA
(35)
Auto ajust. DVD one-layer
FOCUS DRV.
IC601 25pin
FE
TP513
TE
TP512
Disc jugement
INIT. process
SLED
IC601 20pin
VRA
Normal initial
- 21 -
PLAY
External circumference
Internal circumference Internal circumference
Servo aligment
Data read
External circumference
Servo aligment