XL-70 (serv.man23). Block diagrams - Sharp Audio Service Manual (repair manual)

xl-70 (serv.man23) service manual
Model
XL-70 (serv.man23)
Pages
4 Few pages! See other manuals at the bottom of the first or last page.
Size
208.78 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Block diagrams
File
xl-70-sm23.pdf
Date

Read Sharp XL-70 (serv.man23) Service Manual online

XL-60H/70H
– 22 –
 Figure 22 BLOCK DIAGRAM (1/4)
REC  MUTE
Q105
Q106
REC 
150K
150K
MUTE
ALC 
11
12
10
IC102 
BA3311L 
NF
L-IN
R-IN
NF
L-OUT 
ALC 
R-OUT 
Q151
Q152
L151
Q153
Q171
Q172
REC 
SWITCHING 
Q101-Q104 
SWITCHING 
IC101 
IC101
HEAD SELECTOR
BA3126N 
REC  SW
P/B  SW
CONT
P/B  SW
REC  SW
A-12V 
L-CH
R-CH
R-CH
L-CH
L-CH
L-CH
A-GND 
A-GND 
A-GND 
R-CH
R-CH
ERASE 
CNP101
CNS101
CNS901
P.F 
CAM  SW
Q906
BIAS
REC 
RUN_PLS 
MOT 
SOL 
U_CON  5V
D-GND 
M
12V
1
2
3
4
5
6
7
CNP901
PH901
PHOTE INTERRUPTER 
SW901 
FOOL 
PROOF
SW902 
CAM 
CFW901
M901
TAPE MOTOR
SOLENOID
SOL901
TO DISPLAY PWB
Q904
Q902
A_12V 
A_12V 
SWITCHING 
B-CAN(NC) 
2 3 4 5 6 7 8 9
CNP703
M_GND 
Q903
Q905
Q901
CF352 
CF351
FM IF 
24 
22 
21 
20 
19 
18 
17 
16 
15 
14 13 
12 
11 
10 
IC303 
LA1832
22 21 20 
19 
18 
17 16 
15 14 13 12 
1  2 
7  8  9 
10 11 
IC302 
LC72131 
X352
X351
456kHz
X IN
NC
CE
DI
CL
MO/ST 
FM
FM
DO
FM IN 
X OUT 
VSS 
AOUT
AIN 
PD
VDD 
AM IN 
NC
IF IN 
IF REQ
SW
VCC 
AM ANT
AM OSC.
VD301-1 
SVC348S 
VD301-2 
SVC348S 
VR351
10K(B) 
FM MUTE LEVEL 
23 
T351
+5V 
AM  IF 
VT
MUTE
R-MUTE
MO/ST 
L-CH  OUT
R-CH  OUT
MPX  VCO 
AM LOW CUT
FM/AM OUT 
MPX  IN
AM OSC OUT
FM AFC
AM RF IN
VSM 
AM OSC IN 
AM MIX OUT
AM IF IN
GND 
REG 
FM IF IN
SD
STEREO
FM  DET
PHASE 
(AM/FM) 
IF  OUT
PHASE 
FM  IF  DET./FM  MPX./AM  IF
4.5MHz
Q351
SWITCHING 
R_MUTE
PLL  CONTROLLER
ZD351 
MTZJ5.1B
Q360
FM  RIPPLE 
FM+B
A_12V 
FILTER
8  7  6 
1 3 
IF  OUT
F  OUT
GND
GND
ANT.
VT
VT
GND
VCC
FM+B
FM  IF 
FM  IF 
Q301
CF302 
FM  IF 
CF301 
FM
ANTENNA
TERMINAL
FE301
FM  FRONT  END 
SO301 
VT
L341
BALUN 
AM  LOOP
ANTENNA   CNP301
AM OSC OUT 
AM MIX OUT
A_GND
+5V 
A_12V
D_GND
REC BIAS
CONT
SWITCHING
SWITCHING
RUN PLS
SOL
M_12V
U_CON5V
MOT
SWITCHING
SWITCHING
SWITCHING
TAPE MOTOR
DRIVER
SOLENOID
DRIVER
BIAS OSC
SWITCHING
AM IF IN
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
L-CH
R-CH
ERASE
 HEAD
RECORD/
PLAYBACK
HEAD 
T302
T306
IC102
REC./P.B.
EQUALIZER
AMP.
1
SURROUND
TP301 
– 23 –
XL-60H/70H
 Figure 23 BLOCK DIAGRAM (2/4)
REC 
STEREO
SD
CE
CD+B
P  MUTE
P-STB 
DI
CL
DO
FM  ST 
SD
1 2 3 4 5 6 7
CD L
CNP605 
TO CD SERVO PWB 
MOT
 
SOL 
U_CON  5V
D-GND 
M_12V 
A_12V 
TAPE  SW 
REC  L/R  CH
TAPE  L/R  CH 
SPLAY PWB
TO DISPLAY PWB
11
6 7 8 9 10
SO601
SPEAKER
TERMINALS 
J601
HEADPHONES
13
IC601 
LA4451
POWER
AMP.
12
VCC 
4
NF
L-CH IN
R-CH IN
L-CH OUT 
R-CH OUT 
P-CONT
MUTE
Q602
Q601
VSS 
VDD
IC401 
LC75342M
15
14
13
12
11
10
17
18
19
20
21
22
23
24 
25
26
27
28
29
16
CE
DI
30
CL
LOGIC 
TUN  L 
TAPE  L
CD  L
TAPE  R
TUN  R 
CD  R
CNS704
UTE
E
A_12V 
FROM
DISPLAY
 PWB 
CNP652
Q607
Q605
Q604
Q606
Q608
Q603
Q609
VOLTAGE 
REGULATOR 
CD+B
CD_6.2V 
MECHA  12V 
(M_12V) 
AUDIO  12V 
(A_12V) 
12V
R-CH OUT
L-CH OUT
A_12V
A-GND
CD R
M-GND
M_12V
D_GND
CD_6.2V
12
L-CH
L-CH
1
2
9
2
5
11
8
14
REC  R  CH
REC  L  CH
X521
456kHz
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
RDS CLK 
Q521
A_12V 
10 
11
12
RDS DATA 
VSM
AMP.
IC521
RDS CIRUIT
LC72723M
NC
FUNCTION/VOLUME EQUALIZER  
7
6
1
2
3
Q201
Q203
A_12V
A GND
L-CH OUT
R-CH OUT
R-CH IN
SURROUND
ON/OFF
CONT
IC201
KIA4558P
SURROUND CONTROL
L-CH IN
R-CH 
L-CH 
SO401
VIDEO/
AUX
INPUT
GND 
CNS652
Q682
Q681
Q683
T.F 
D656~D659
D651~D654 
VOLTAGE  REGULATOR 
RLY681
LF651
LINE
FILTER  
SO651
AC  POWER
 INPUT  SOCKET
AC230V,50Hz
T681
SUB  POWER
TRANSFORMER 
D681~D684 
CNP707
T651
MAIN POWER 
TRANSFORMER 
F652
T1.25A  L  250V
F651
T3.15A  L  250V
GND 
GND 
CNS651
CNP651
IC201 KIA4558P
AUX  R
AUX  L
3
XL-60H/70H
– 24 –
 Figure 24 BLOCK DIAGRAM (3/4)
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24 
25
26 27 28 29 30 31 32
94
95
96
97
98
99
100
X701
8MHz
S
E
G6
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
RE
S
ET 
X702
32.768kHz
MODEL 
COM2
COM3
CLID_SW 
CLID_PRO
NC
TAPE_SW 
VSM 
CE
SOL 
MOT 
REC 
Q702
Q703
Q701
RESET SWITCHING
1
RX701
REMOTE
SENSOR
3 2
SW709-SW710
SW721-SW728
Q708
Q709
IC802
TC9462F
SERVO/SIGNAL
CONTROL
1
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
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
80
81
82
83
84
85
86
87
88 
89
90 
91
92
93
94
95
96
97
98
99
100
X801
16.93MHz
A_GND 
+5V 
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
CD  +5V
SW730
CD LID 
OPEN/CLOSE
CFW807
CFW701
SW700
JOG
CNP706
CNS706
UP 
DOWN 
+5V 
Q706
Q707
SWITCHING 
LED+B 
A_12V 
1
2
3
CNS707
SYS  STOP
REMOCON 
RESET 
U-COM  VDD 
U-CON+5V
P  CONT
IC804
LA6541D
-
+
- +
+
+
-
+
+
-
-
REG.
RESET
RES
CD
REG
REG
IN
OUT
SP+
SP-
SL+
SL-
+5V 
FO+
FO-
TR+
TR-
4
5
6
7
8
9
10
11
12
13
14
15
16 17 18 19 20 21 22 23 24 25 26 27
Q861
CD_6.2V 
SW711-SW718
D701-709
LED
D_GND
M_12V
D_GND
SWITCHING
D_GND
KEY
TO POWER
PWB
1
2
1
2
M_GND
DVSR
RO
DVDD
DVR
LO
DVSL
TEST1
TEST2
TEST3
BUS0
BUS1
BUS2
BUS3
VDD
VSS
BUCK
/CCE
TEST4
/TSMOD
/RST
 
VREF
TRO
FOO
TEZI
TEI
TSIN
SBAD
FEI
RFRP
RFZI
RFCT
AVDD
RFI
SLCO
AVSS
VCOF
VCOREF
PVREF
LPFO
LPFN
XVDD
XO
XI
XVSS
VDD
PXO
PXI
VSS
TESI01
TESIN
/DACT
/CKSE
/DMOUT
IO3
IO2
IO1
IO0
VSS
VDD
FLGD
FLGC
FLGB
FLGA
SEL
2VREF
DMO
FVO
FMO
TEBC
RFGC
TEST0
/HSO
/UHSO
EMPH
LRCK
VSS
BCK
AOUT
DOUT
MBOV
IPF
SBOK
CLCK
VDD
VSS
DATA
SFSY
SBSY
SPCK
SPDA
COFS
MONIT
VDD
TESI00
P2VREF
HSSW
ZDET
PDO
TMAXS
TMAX
D_GND
+5V
D_GND 
FMO
M_GND
M_GND
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_GND
+5V
SWITCHING 
IC804
LA6541D
FOCUS/
TRACKING/
SPIN/SLED 
DRIVER
1
42
4
39
~
~
IC805
TA7291S 
NC
IC805
TA7291S
MOTOR DRIVER 
SW802
CD LID
CFW806
CNS805
1
2
3
1
2
3
BI805
J801
CD DIGITAL
OUTPUT 
3
2
1
1
2
3
CNP805
CNS804
M801
CD LID MOTOR
CNP804
1
3
1
3
M_12V 
D_GND 
– 25 –
XL-60H/70H
 Figure 25 BLOCK DIAGRAM (4/4)
10
11
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
80
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+
    
    
SPINDLE
MOTOR
SLED
MOTOR
NM802 
NM801 
NSW801
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
M701
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
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/
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
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Download Sharp XL-70 (serv.man23) Service Manual (Repair Manual)

Here you can read online and download Sharp XL-70 (serv.man23) Service Manual in PDF. XL-70 (serv.man23) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp XL-70 (serv.man23) System. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.