Overall Block Diagram (2/2) - Pioneer PDP-434CMX Service Manual

1

3.1.3 OVERALL BLOCK DIAGRAM (2/2)

• Block Diagram
A
AV I/O ASSY
L/R
INPUT 1
AUDIO IN
IC7601
L/R
INPUT 2
SELECTOR
AUDIO IN
L/R
IC7608
L/R
AUDIO OUT
SELECTOR
B
IC7610
INPUT 1
6dB AMP
RGB
RGB
IC7013
H/V
6dB AMP
OUTPUT
SELECTOR
IC7503
DVI
INPUT 2
RECEIVER
C
TXD2/
RXD2
CB OUT
IC9451
232C
DRIVER
CB IN
TXD/
D
RXD
232C
COMM SLOT ASSY
IC7801
INPUT 3
VIDEO AMP
IC7802
INPUT 4
VIDEO AMP
E
OUTPUT
INPUT 5
(PDA-5004)
INPUT 3
(PDA-5004)
INPUT 4
IC7803
(PDA-5003) 3-1 SEL
INPUT 3/4
INPUT 5
F
44
1
2
IC7602
L/R IC7603
VOLUME
RGB
H/V
IC7611
BUFFER
H/V
RGB
H/V
RGB
H/V AV4
CN7605
COMM SLOT
I/F ASSY
TXD/
CS5
RXD
CN8903
IC6255
PD0278A
YCbCr
HD/VD
IC6107
V+13V
PD0278A
V+12V
YCbCr
RGB
IC7902
HV
2-1 SEL
6dB AMP
V+3V
L/R
VIDEO SLOT 1 ASSY
or
VIDEO SLOT 2 ASSY
PDP-504CMX/1
2
3
AV1
IC7606
+L/+R
IC7605
IC7607
-L/-R
AV3
LEG_R
LEG_G
AV2
IC8707
KEY
IF UCOM
AV5
V+3.3V_STB
V+6.5V
V+3.3V
V+5V
CS1
RE1
CS4
IR RECEIVE
ASSY
CS3
CS2
CN8902
CN8952
VS2
VS4
VS3
VS5 VS1
VIDEO
SLOT I/F
ASSY
3
4
P6
CN5002
V+16
AP1
AP2
IC5002
+L +L
L
-L -L
IC5003
+R +R
POWER AMP
R
-R -R
V+12V
V+3V
V+6.5V
AUDIO AMP ASSY
LO1 LO2
LED OPT
ASSY
KY1 KY2
KEY CONTROL
ASSY
AV6
AV I/O I/F
ASSY
4
AP3