XW-HTP550
13
5
6
7
8
5
6
7
8
C
D
F
A
B
E
G
TX MODULE
C
PRIMARY ASSY
A
MAIN ASSY
POWER Supply
9
ANT1
+5V
8
7
5
6
11
12
9
8
7
5
6
1
2
1
2
11
12
CN8201
(12P)
Ch4
Ch3
Ch2
Ch1
Ch
Ch4
Ch3
Ch2
Ch1
Ch
CN3701
(12P)
5
1
2
7
LIN
RIN
V+5RF
V+5RF
V+9RF
VA+9
Y0
X0
Y (Rch)
X (Lch)
IC3301
BA4558
OP AMP
5
3
8
4
1
Lch
Rch
7
IC3302
LA4663
Power IC
SP
PROTECT
Q3511
Q3451 Q3452
Q3454 Q3453
Q3455
4
5 6
9
AN1
CN2
CN3401
(5P)
L IN
VCC2
VCC1
L +OUT
R +OUT
Relay Control
MAIN
MAIN
L +
L -
R +
R-
MUTE
11
L –OUT
12
R –OUT
14
+B
INSIDE
SPEAKER
AC IN
RELAY
DRIVE
POWER
RELAY
RY3301
+B
VP(+B)
2
8
7
R IN
GND
NEUTRAL
LIVE
FU1
S1
T1
POWER
TRANSFORMER
VPRE9
1
2
2
1
2
1
CN11
2
3
4
1
2
3
4
1
D11
D12
D13
D17
VA+9
VD+9
V+9RF
5
4
1
2
3.3V REG.
3.3V REG.
2.8V REG.
EEPROM
BBIC
RF IC + PA
ADC
IC15
REG 9V
NJM78M09FA
3
1