Audio And Sus Comm If Assys - Pioneer PDP-425CMX Service Manual

1

3.8 AUDIO and SUS COMM IF ASSYS

SUB ASSY (3/3)
A
AUDIO ASSY
IC3001
12V to 9V
L/R
#2, 27
B Audio Controle
ALM #5
COMM I/F ASSY
#1
REMIN
#2
LED CTL1
#3
LED CTL2
C
RLS
#5
#11
#9
#7
#6 REMIN
+3.3V +6.5V
#16,#13
#2
D
#15,#20
#1
#33,#35
#21,#25
#19,#23
#27
#29
E
#17
#31
#30,#32
#24
#26,#28
#34,#36,#38,#39,#40
#4,#14
F
* used only by the slot of external vender.
36
1
2
+12V
+9V
IC3001
L/R
#11, 19
Audio
Controller
SCL,SDA
Mute
#17, 18
#9
+5V
IC2301
#1
#10
#13,#2
IR COMM OUT
IR COMM IN
+5V
VCC DOWN2
RXD,TXD(RXD PDP,TXD PDP)
PLE CTL PLE CTL2(APL CTL,APL CTL2)
RXD2,TXD2(APL RXD,APL TXD)
STL LINK
CB MUTE
4G/5GSLT VER
KEY(KEY COMM IN)
RXD GU,TXD GU (RXD CARD,TXD CARD)
FIRST RXD *
INT EXT,GET UART
GPC1~GPC5 *
*
CSL ST1,CSL ST2
2
3
CN3003
+12V
R+
#31, 32
+9V
#36, 38
+12V R-
IC3002
L+
Audio
#41, 43
Amplifier
L-
#47, 48
DC detect
#14
#6
IRSW
Detection of
6.5V decrease
*
*
#21,#22,#23,#24,#25
PDP-425CMX
3
4
#2
#3
#4
#105,#106
#121,#123
#122#124
#109
#108
#125
#107
#19,#20
#16
#17,#18
#10,#11
4