Overall Block Diagram (1/2) - Pioneer PDP-425CMX Service Manual

1

3.3 OVERALL BLOCK DIAGRAM (1/2)

General Block Diagram (1/2)
A
KEY ASSY
IC2201
S2201
S2202
S2203
S2204
S2205
S2206
S2207
S2208
X2201
3.84MHz
B
(DIN)
MAIN ASSY
CN7001
INPUT2
(DVI)
+7V
IC7006
7V to 5V
RGB
CN5002
H/V
INPUT1
C
(15p D-SUB)
IC5002
IC5004
Video SW
IC5007
CN5003
RGB
BUF
H/V
ANALOG
IC5008
RGB OUT
(15p D-SUB)
BUF
D
IC5001
BUF
CN5001
CN6301
CN4005 CN4002
E
AV
VIDEO SLOT I/F ASSY
VIDEO SLOT
F
28
1
2
COMM SLOT ASSY
CN2001
(9p D-SUB)
JA2002
(DIN)
JA2003
(DIN)
IC7001
DVI
Receiver
IC7003
5V to 3.3V
+3.3V
H/V
+5V
+9V
+3.3V
+5V
IC5005
SyncSW
+3.3V
H/V
H/V
IC6301
OE
CN5301
CN6302
CN4004
CN4003
D1
D2
CN4006
Control signal
Analog Video signal
Sync signal
Power Supply
2
3
IC2001
IC2003
IC2002
232C
IC2004
Transceiver
IC2005
IC2006
IC2007
+5V
IC5601
Video
RGB
SW
+3.3V
IC5603
LPF
Sync SW
H/V
+5V
IC5901
RGB
Video
SW
+3.3V
LPF
IC5902
Sync SW
H/V
L/R
INPUT1
D3
JA5371
PS
INPUT2
JA5372
OUTPUT
JA5373
Digital Audio signal
Analog Audio signal
PDP-425CMX
3
4
COMM SLOT I/F ASSY
IC2301
SEL
+5V
RGB
IC5602
LPF
+5V
IC5605
H/V
Sync sep
+5V
IC5606
BUF
H/V
+5V
IC5905 RGB
LPF
+5V
IC5903
IC5904
Sync sep
H/V
+12V
IC5308
(mini Jack)
Audio
L/R
SW
(mini Jack)
L/R
(mini Jack)
L/R
Digital Video signal, CLK, Sync
TMDS, LVDS
4
SW
CN9011
KEY
H/V
IC5604
SW
H/V
+3.3V
H/V
SW
+2.5V
IC8002
2.5V to 1.5V
+3.3V
IC8003
3.3V to 1.5V
CLK
X8001
CLK
X8002