Operation Pcb Assy - Pioneer DV-120-K Service Manual

1

10.7 OPERATION PCB ASSY

A
IR
R666
EV+3OR5
47 1/16W
B
C
D
E
F
48
1
2
OS651
KSM-2001TC2P
Switches
SW667 : POWER
POWER
SW667
EVQ11L05R
PCB271
DEH159
NEXT PLAY
SW662 SW663
EVQ11L05R
EVQ11L05R
PREV STOP
SW664 SW660
EVQ11L05R
EVQ11L05R
2
3
1 Vout
2 GND
3 B+
SW2
OPEN/CLOSE
SW666
EVQ11L05R
SW1
NOTE: THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
DV-120-K
3
4
DISPLAY SCHEMATIC
V651 GYXS-2511CG
DIG1 DIG2 DIG3 DIG4 DIG5
A
DP1 DP2
F B
G
E C
D
13 12 11 10 9 8 7 6 5 4 3 2 1
1.161.141.141.111.21 1 1.961.861.621.59 1.8 1.6 1.8
NC NC
NC
3.3 3.3 3.3
15 16 17 18 19 20
14 13 12 11 10 9
3.3 3.3 3.3 3.3
NC 3.3
R656
1K 1/16W
R655
1K 1/16W
4
2.66
2.91 3.3 0
21 22 23
8 7 6
2.49 2.47 3.3 2.96