Sanyo FISHER DVD-1500 Service Manual page 34

TROUBLE SHOOTING (CHECK VOLTAGE)
-Respond to numbering of each list of "CHECK FLOW AND TROUBLE SHOOTING"
Voltage table
BUS line name
1
TIME TIME
EQ EQ
2
*FRST Normal
HRST→L (0) state、→L (0) 40 msec
（Power on state or Tlay open state）
3
MLD1 The voltage between thing of A and B 4.5Ｖ
MLD2
MLD1
MLD2
4
IC602 22pin
Spindle VCD
DVD
5
IC601 20ﾋﾟﾝ play
Sled F-skip
B-skip
6
OPEN_SW OPEN_SW
CLOSE_SW CLOSE_SW
*FRST
HRST
< B - skip >
FMO
VCD･CD
NO DISC
open state close state play state play state
3.9 3.9 0.2
2.6 2.6 3.9
＊It changes with disc
4.8 V
Refer to a drawing und
open state close state
− ＋
＋ −
(V)
stop play
1.6 1.9
1.6 1.5
(V)
2.0 DVD/VCD/CD is all same.
2.5 〃
1.5 〃
close openning open closing
4.8 4.8 0
0 4.8 4.8
(V)
BUS line name
DVD
*3.9
7
LCSW
*2.3
8
CD/*DVD
9
VR
10
2VR
11
EMPHA
(V)
close
4.8 4.8
4.8 0
openning
close
open-sw
close-sw
< F - skip >
2.0V
FMO
0.84V
- 33 -
(V)
VCD/CD 4.8
DVD 0
(V)
VCD/CD 4.8
DVD 0
2.0 V
4.0 V
(V)
（CD only）
on 0
off 4.8
closing
open
close
4.8V - 5.0V
0V
4.8V - 5.0V
0V
3.2V
2.0V