Read Sharp XL-HP737 (serv.man4) Service Manual online
XL-HP737
4 – 2
+B10
+B10
+B10
+B10
+B3
+B10
+B10
+B3
AN80T53
MULTI
REGULATOR
2
3
5
6
7
1
4
+B4(8V)
2A 125V
2A 125V
4A 125V
4A
125V
D842-D845
POWER
TRANSFORMER
RELAY
DRIVER
AC_RLY
P_IN
AC_RLY
T_SOL
T_MOTOR
VOL_JOG
PROTECT
+B8(D_5V)
+B7(A_5V)
+B7(A_5V)
5V)
5V)
+B9(SW_+5V)
+B_PROTECT
5V)
13V
SW
VCC
GND
5.1V
8.5V
10V
VL+
VLñ
GND
SMUTE
TIME LED
TIME LED
SP_RLY
T_REC/PLAY
T_BIAS
VLOAD
VOL_LED
ILLU_LED
P_IN
AC
120V,60
Hz
SUPPLY
CORD
AC
POWER
SP DET
ñVF
T.F
VDD
TRANSFORMER
POWER
REGULATOR
VOLTAGE
UNSW_5.6V
AN78L05
VOLTAGE
REGULATOR
VR701
VOLUME
KEY
ASS'Y
MECHANISM
TAPE
DRIVER
4A 125V
R-OUT
L-OUT
STK412-490
POWER AMP.
L
R
R
VLñ
VHñ
VL+
VH+
VF1
VF2
M971
RESET
4.19403MHz
REMOTE SENSOR
VDD -20dBATT
+B10
+B10
LED701
LED708
LED707
+B5
VDD
+B3
FAN MOTOR
FL DISPLAY
CE
CLK
DI
DO
TO CD SECTION
RESET
AVDD
REMOCON
HEADPHONES
SUB WOOFER
PRE-OUT
SPEAKER TERMINAL
M
SYSTEM
MUTE
8
11
6
1
14
18
7
48
5
2
44
43
24
21
15
12
11
7
6
10
17 18 19 20
3 4
2
1
50 51
9
2
3
1
31
30
29
47
53
56
41
42
42
45
79
36
38
46
25
40
13
33
34
39
1 2
16
(SUB)
(MAIN)
MOTOR/
DRIVER
SOLENOID
A_+10V
LD_+8V
SW701-SW705
SW709-SW728
SYSTEM MICROCOMPUTER
S30
S10
S9
G1
VF1
VF2
47
8
5
78
58
80
4
100
IXA003AW
(Serial No.40100012~40103011)
IXA021AW
(Serial No.40203012~)
FL701
RX701
Q906
XL700
Q701,702
Q712~715
Q904
Q901
IC901
F802
Q604
Q603
IC854
Q841
Q851
Q801
F804
F803
IC851
D802
D801
F801
F805
PT801
JK953
JK701
SO901
RL914
Q905
Q711
Q710
Q703
RL841
RELAY
PT841
RELAY
IC701
.
IF
Figure 4-2 BLOCK DIAGRAM (2/4)
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