Pioneer DV-2850S Service Manual page 33

5
A
DVD MT PCB ASSY
15
Foot of R4026(IC2301 - pin 1) [TROPEN]
[Tray is Open]
V: 1V/div. H: 5µsec/div.
17
Foot of R618 (IC4002 - pin 37) [DMSO]
[DMSO_OPEN]
V: 1V/div. H: 10µsec/div.
CN2303 - pin 1
18
(IC2301 - pin 11)
[MOT_SPDL+]
V: 2V/div. H: 2msec/div.
5
6
16
Foot of R4002(IC2301 - pin 2 [TRCLOSE]
[Tray is closing]
15
16
V: 1V/div. H: 5µsec/div.
[DMSO_PLAY]
V: 1V/div. H: 10µsec/div.
DV-2850-S
6
7
15
16
[DMS~3]
OPEN KEY ON Tray:
opening
PLAY
PLAY KEY ON:
starting a turn of disc
Braking a turn of disc
V: 1V/div. H: 2sec/div.
7
8
A
B
C
D
E
F
33
8