Read Sharp XL-HP434 (serv.man5) Service Manual online
XL-HP434H
4 – 2
+B10
+B10
+B10
+B10
+B3
+B10
+B3
AN80T53
IXA003AW
(Serial No.31000001~402XXXXX)
IXA021AW
(Serial No.402XXXXX~)
2
3
5
6
7
1
4
+B4(8V)
T2A L 250V
T2A L 250V
T4A L 250V
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)
+B9(SW_+5V)
+B_PROTECT
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
S30
S10
S9
G1
TUN_SM/SPAN
VOL_LED
P_IN
AC
230V,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-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
VF1
VF2
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
47
8
9
8
44
43
27
24
21
15
12
11
7
6
10
17 18 19 20
3 4
2
1
5
50 51
78
58
80
49
52
2
3
1
31
30
29
47
53
56
41
42
42
45
4
79
36
38
46
25
40
13
33
34
39
1 2
16
100
(SUB)
(MAIN)
MOTOR/
DRIVER
SOLENOID
+10V
_+8V
MULTI REGULATOR
FL701
RX701
Q906
XL700
Q701,702
Q712~715
Q904
Q901
IC901
F802
604
603
IC854
Q841
51
Q801
F804
F803
IC851
D802
F801
PT801
JK953
JK701
SO901
RL914
Q905
Q711
Q703
RL841
RELAY
IC701
PT841
RELAY
L841
AC LINE
FILTER
Figure 4-2 BLOCK DIAGRAM (2/4)
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