– 21 –
XL-3600
XL-3700/C
Figure 21 BLOCK DIAGRAM (3/3)
VOLTAGE
REGULATOR
3
1
3
2
1
AC INPUT
SOCKET
AC120V,60Hz
AC 120V,60Hz
AC POWER SUPPLY CORD
POWER
TRANSFORMER
(SUB)
CNP681
SO651
IC681
AN78L05
CONSTANT
RLY601
T681
D681~D684
Q683
5
4
3
2
5
4
3
2
1
1
3
1 2
2
POWER
TRANSFORMER
(MAIN)
TF
T651
4.0A 125V
CNP651
F652
4.0A 125V
F651
1.6A 125V
F653
Q604
Q605
D651~D654
D657~D660
Q105
Q106
Q109
Q108
Q103
Q104
Q101
Q102
Q603
Q601
Q602
M
M802
FAN MOTOR
Q881
Q882
Q883
Q884
Q606
Q607
CD +B
+B
+B3
–B
–B
CD_7.2V
+B1
+B2
+B3
+B4
+B3
M_12V
A_12V
15
13
10 11
7
6
8
1
IN1
GND
VE2
VE1
+VCC
9
–VCC
IN2
POWER AMP.
IC101
STK40203
L-CH
L-CH
R-CH
R-CH
R-CH
L-CH
SPEAKER TERMINAL
+
+
SO601
HEADPHONES
1
2
3
4
5
9
10
JK101
VSS
VDD
IC401
LC75342M
15
14
13
12
11
10
9
17
18
19
20
21
22
23
24
25
26
27
28
29
16
8
7
6
5
4 3 2 1
CE
DI
30
CL
LOGIC
TUN L
CD L
TUN R
R-CH OUT
R-CH OUT
L-CH OUT
R-CH IN
L-CH IN
L-CH OUT
A_12V
NC
FUNCTION/VOLUME
EQUALIZER
AUX R
AUX L
CD R
MUTE
VOLTAGE
REGULATOR
+B6
L
IL
UP UNIT
D_GND
MAIN PWB
+B4
+B2
+B
Q201
Q203
Q107
Q891
2
3
1
A_GND
CD_L
CD_R
1
2
3
4
5
1
12
11
10
9
8
7
5 6
4
2 3
13
P_MUTE
CD +B
CL
DI
CE
DO
FM ST
SD
A_GND
TUN R
TUN L
D
_
GND
A_12V
D_GND
SURROUND
M
PWB
FROM
DISPLAY PWB
5 6 7 8
4 3 2 1
SURROUND
CONTROL
1
2
3
PROTECT
AMP_DET
SP_RLY
FROM
DISPLAY PWB
1 2 3 4 5 6 7
M_GND
M_12V
FAN_CONT
FAN_DEC
USWD_5.6V
P_CONT
D_GND
FROM
DISPLAY PWB
KIA4558P
CNP803
CNP702
IC201
CNP703
CNP701
RLY101