Sanyo FISHER DVD-1500 AU, Service Manual

Page: 34 / 74

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