Operation 1 And Operation 2 Pcb Assys - Pioneer DV-300-K Service Manual

1

10.7 OPERATION 1 and OPERATION 2 PCB ASSYS

A
Switches
SW652 : DOWN
SW653 : ENTER
SW654 : RIGHT
SW655 : RETURN
SW656 : MENU
SW657 : UP
B
SW658 : TOPMENU
SW659 : LEFT
SW660 : STOP
SW661 : HOMEMENU
SW662 : +SKIP
SW663 : PLAY
SW664 : -SKIP
SW665 : PAUSE
SW666 : EJECT
C
OPERATION 2 PCB ASSY
(A2K001A280)
Switches
SW667 : POWER
PCB280
DEF129
D
SW667
POWER
EVQ11L05R
E
F
58
1
2
OPERATION 1 PCB ASSY
(A2K008A270)
DOWN
SW652
EVQ11L05R EVQ11L05R
RETURN
SW655
EVQ11L05R EVQ11L05R
MENU
SW656
EVQ11L05R EVQ11L05R
TOPMENU
SW658
EVQ11L05R
EVQ11L05R
SW1
SW2
DV-300-K
2
3
DVD CD
32 31
D651 1SS133
D652 1SS133
D654 1SS133
D655 1SS133
D656 1SS133
D657 1SS133
D658 1SS133
D659 1SS133
ENTER
SW653
RIGHT
SW654
UP
SW657
LEFT
P7 -12.0
SW659
P6 -6.0
EVQ11L05R
-18.0
HOMEMENU
P5
SW661
-18.0
P4
EVQ11L05R
-18.0
P3
-18.0
P2
-18.0
P1
-18.0
-18.0
EJECT
NC
SW666
-18.0
NC
-18.0
NC
Vout 1
GND 2
B+ 3
OS651
ROM-V340TAO
3
4
V651 HNV-08SS44T
TRACK ALL
28 27 26 25 24 23 22 21 20 19 18
-6.0 -13.0 -12.6 -9.5 -13.0 -9.5 -19.0 -19.0 -15.6
22 21 20 19 18 17 16
23 P7
P6
P5
P4
FIP DRIVER IC
IC651
P3
PT6315
P2
P1
-28V
GR12
GR10
34 GR9
GR11
34 35 36 37 38 39 40
-18.0 -18.0 -18.0 -16.0 -16.0 -16.0 -16.0 -16.0 -16.0
C659_1
100P CH
R666
2.2 1/4W
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
4
REPEA
17 16 15 14 13 12 11
SW2
SW1
3.3 0
15 14 13 12
K2
12 GND K1
STB
CLK
DI
DO
OSC
LED4
LED3
44 GND LED2
LED1
41 42 43 44
3.3 0