Read Sharp XL-HP404 (serv.man7) Service Manual online
XL-HP404E/HP404H
4 – 3
IXA002AW(Serial No.31000001 ~ 402XXXXX)
IXA007AW(Serial No.402XXXXX)
IXA020AW(Serial No.402XXXXX ~)
L841
AC LINE
FILTER
B5
+B10
+B10
+B10
+B10
+B3
+B10
+B10
+B3
AN80T53
MULTI REGULATOR
2
3
5
6
7
1
4
+B4(8V)
T2A L 250V
T2A L 250V
T4A L 250V
AC_RLY
NC
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
+VCC
–VCC
GND
SMUTE
TIME LED
TIME LED
SP_RLY
T_REC/PLAY
T_BIAS
VLOAD
VOL_LED
P_IN
AC
230-240V,50
H
z
SUPPLY
C
ORD
AC
POWER
SP DET
–VF
T.F
VDD
TRANSFORMER
POWER
REGULATOR
VOLTAGE
UNSW_5.6V
AN78L05
VOLTAGE
REGULATOR
SW701-SW705
SW709-SW728
VR701
VOLUME
KEY
ASS'Y
MECHANISM
TAPE
DRIVER
T4A L 250V
R-OUT
L-OUT
STK432-070
POWER AMP.
L
R
R
–B2
+B2
VF1
VF2
M971
RESET
SYSTEM MICROCOMPUTER
4.19403MHz
REMOTE SENSOR
VDD -20dBATT
+B10
+B10
LED701
LED708
+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
10
7
15
1
13
48
32
41
31
28
9
8
44
43
24
21
15
12
11
7
6
10
17 18 19 20
3 4
2
1
21
44 45
78
69
80
83
84
84
2
3
1
31
30
29
47
53
56
41
42
42
45
5
79
36
38
46
25
40
59
13
33
34
39
1 2
16
100
(MAIN)
MOTOR/
DRIVER
SOLENOID
A_+10V
LD_+8V
FL701
RX701
Q906
XL700
Q701,702
Q712~715
Q904
Q901
IC901
F801
Q604
Q603
IC854
Q851
Q801
F803
F804
IC851
D802
F802
PT801
JK953
JK701
SO901
RL914
Q905
Q711
Q703
IC701
RELAY
Figure 4-3 BLOCK DIAGRAM (3/5)
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