Read Sharp XL-70 (serv.man23) Service Manual online
– 25 –
XL-60H/70H
Figure 25 BLOCK DIAGRAM (4/4)
1
2
3
4
5
6
7
8
9
10
11
12
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
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81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
01
Hz
LCD DISPLAY
SEG31
SEG30
SEG29
SEG28
SEG27
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
COM1
COM0
VLC3
VLC2
VLC1
VDD
OSC2
OSC1
VSS
XI
XO
MMOD
VREF
KEY1
KEY2
VREF+
DI
DO
CL
RESET
SYS STOP
02
768kHz
IC701
IX0026SJ
SYSTEM CONTROL
MICROCOMPUTER
CLE
REMOCON
MODEL
CLOCK
POWER
JOG UP
JOG DOWN
SEG32
SEG33
SEG25
SEG26
COM2
COM3
CLID_SW
CLID_PRO
NC
TAPE_SW
VSM
CE
SOL
MOT
REC
RUN_PLS
BIAS
B_CAN
SURR
P_STB
P_MUTE
CD+B
DATA
STEREO
P_CONT
SD
NC
BACK LIGHT
MVOL_IND
MVOL_UP
CLID_UP
CLID_DW
PU_IN
CD_RES
CD_STB
BUS2
BUS3
BUS0
BUS1
CCE
BUCK
MVOL_DW
12
1
CFW704
LCD701
10
1
2
3
4
5
6
7
8
9
CNS702
2
3
4
5
6
7
8
9
10
CNS703
1
24
2
3
4
5
6
7
8
23
22
21
20
19
18
17
9
16
10
15
11
14
12
13
IC801
TA2109F
SERVO PRE AMP.
E
F
B
A
CNS801
1
2
3
4
5
6
7
8
1
2
3
4
5
6
CNS803
PU-IN
SL-
SL+
SP-
SP+
+
-
M
M
SPINDLE
MOTOR
MOTOR
SLED
MOTOR
MOTOR
NM802
NM801
NSW801
PICKUP IN
PICKUP IN
SP-
SP+
SL+
SL-
PU-IN
GND
LD
VR
P
FO-
FO+
TR+
TR-
D-GND
SWITCHING
Q801
+5V
1
2
3
4
5
6
7
CNS802
1/2V
+5V
E
A
B
F
C
VREF
+5V
1/2V
+5V
E
A
B
F
C
TR-
TR+
FO+
FO-
LD
V
PD
GND
CD +5V
M_GND
CNS605
1
2
3
4
5
6
7
IC702
TA7291S
8
9
MVOL_DW
MVOL_UP
CNP705
1
2
CNS705
M
M701
JOG MOTOR
JOG MOTOR
LOADING MOTOR DRIVER
IC804
LA6541D
+
-
VCC
MUTE
VCC
+
-
+
-
+
-
- +
+
+
-
-
+
+
-
-
REG.
RESET
RES
CD
REG
REG
IN
OUT
SP+
SP-
SL+
SL-
FO+
FO-
TR+
TR-
CD STB
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
CD_6.2V
CD_6.2V
CD_6.2V
10
1
2
3
4
5
6
7
8
9
CNP702
M_12V
D_GND
CL ID_SW
CD_RES
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
CD_STB
PU_IN
TAPE_SW
A_12V
M_12V
D_GND
U_CON5V
SOL
MOT
REC
RUN_PLS
BIAS
B_CAN
SURROUND
TO CD PWB
CLE
DATA
VSM
SD
STEREO
DO
CL
CE
DI
CD+B
P_MUTE
P_STB
TO MAIN
PWB
PWB
11
12
1
2
CL ID_SW
CD_RES
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
CD_STB
PU_IN
CL ID_L
A_GND
CD_R
M_GND
M_12V
D_GND
CD_6.2V
FROM DISPLAY PWB
TO MAIN PWB
1
2
3
4
5
6
7
+
-
CNP803
1
2
3
4
5
6
1
2
3
4
5
6
TR+
FO+
FO-
TR-
ACTUATOR
1/2VCC
C
F
B
A
E
GND
MON
LD
VCC
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
1
2
3
4
5
6
7
FMO
M_GND
DMO
M_GND
FOO
1
TRO
SBAD
FEO
FEN
VRO
RFRP
RFIS
RFGO
RFGC
AGCI
RFO
GND
RFN
TEO
TEN
2VRO
TEB
SEL
LDO
MDI
TN1
TPI
FPI
FNI
VCC
SBAD
FEI
RFRP
RFI
RFGC
D_GND
TEI
TEBC
SEL
D
S/
NG/
NG/
ED
R
PICKUP UNIT
NC
5
1
38
~
42
4
39
~
~
13
11
12
CL ID_DW
CLID_UP
CLID_PRO
13
11
12
1
CL ID_DW
CLID_UP
CLID_PRO
TO MAIN
PWB
PWB
