Power board
220V
Signal output
Xl100
Xs1
Xs2
Xs3
Xs4
Transformer
RDS outlet
Xp25
SWM
RLY0
P_RC
OVER
L2
R2
C2
Sl2
Sr2
VC+
GND
VC-
GND
SWM
L1
R1
C1
Sl1
Sr1
RLY
P_RC
P_LRM
P_CSM
SWITCH
Transformer entry-level
Secondary coil
View board
Mic or earphone board
GND
~8.5V
~8.5V
D+5V
DGND
L1
R1
Video board
Xs101
PH_SW
GND
MIC
+12V
-12V
GND
Xs100
xs101
xp20
Xs22
Xs16
Xs17
Xs14
Xp14
Xp17
Xp16
LAT
CE
CLK
DATA
DO
P_DIST
OK_DAT
OK_CLK
P_KT
R E M
D S T
DCK
DDA
Signal board
Decode board
Secondary coil
+5VD
RLYC
NC
DDA
DCK
DST
FAN
REMMOTE
GND