Service manual

XL-MP150
4 – 2
0
+B10
+B3
POWER AMP
KIA7812AP
REGULATOR
VOLTAGE
VOLTAGE
VOLTAGE
KIA7810AP
REGULATOR
KIA7805AP
REGULATOR
2A 125V
2A 125V
4A 125V
4A 125V
D842-D845
POWER
TRANSFORMER
RELAY
DRIVER
AC_RLY
P_IN
+B7(A_5V)
+B8(SW_+5V)
+B_PROTECT
VL+
VL-
GND
SP_RLY
AC 120V,60 Hz
SUPPLY CORD
AC POWER
SP DET
-VF
TO DISPLAY SECTION
QS01
QS05
QS03
CNS02
CNS01
TRANSFORMER
POWER
REGULATOR
VOLTAGE
UNSW_5.6V
KIA78L05
VOLTAGE
REGULATOR
DRIVER
4A 125V
R-OUT
L-OUT
STK412-410
POWER AMP.
L
R
VL-
VH-
VL+
VH+
VF1
VF2
M971
-20dBATT
+B3
FAN MOTOR
HEADPHONES
SUB WOOFER
OUT-PUT
SPEAKER TERMINAL
M
35
17
48
11
6
1
14
18
7
5
2
+B5
+B5
(SUB)
(MAIN)
T.F
A_+10V
L
D_+8V
C
TION
M_+8V
+B1
+B1
M_+13V
2
3
4
6
9
5
7
8
1
NS_SW1
NS_SW2
SW_5V
UNSW5.6
M_+13V
S_MUTE
REC/PLAY
SP_DET
-20dB
VF1
-VF
VF2
AC_RLYCON
P_IN
A_+10V
+B_PROTECT
+B_PROTECT
D_GND
SP_RLY
T_BIAS
CLK
DI
CE
DO
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
KIA4558F
TO SPEAKER
LIGHT UP
Q906
Q904
Q901
IC901
F802
IC854
Q841
Q801
IC855
F804
F803
IC851
IC852
IC853
D802
D801
F801
F805
PT801
JK953
JK701
SO901
RL914
Q905
RL841
RELAY
PT841
RELAY
CNP701B
IC503
Q850
Figure 4-2 BLOCK DIAGRAM (2/6)