Read Sharp XL-55 (serv.man14) Service Manual online
XL-55H/65H
– 16 –
REC MUTE
Q105
Q106
Q106
REC
150K
150K
MUTE
ALC
+
-
-
+
3
1
5
11
12
8
10
2
IC102
BA3311L
BA3311L
6
7
9
NF
L-IN
R-IN
NF
L-OUT
ALC
R-OUT
Q151
Q152
L151
Q153
Q171
Q172
REC
SWITCHING
Q101-Q104
SWITCHING
1
IC101
IC101
HEAD SELECTOR
BA3126N
2
3
4
5
6
9
REC SW
P/B SW
CONT
P/B SW
REC SW
8
7
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
SURROUND
MOT
SOL
U_CON 5V
D-GND
A_12V
TAPE SW
1
2
3
4
5
6
7
CNP901
PHOTE INTERRUPTER
SW901
FOOL
PROOF
FOOL
PROOF
SW902
CAM
CAM
1
2
+
-
2
1
M
M901
TAPE MOTOR
SOLENOID
SOL901
RE
TA
TO DISPLAY PWB
Q904
Q902
A_12V
A_12V
SWITCHING
B-CAN(NC)
10 10
1 2 3 4 5 6 7 8 9
CNP703
M_GND
Q903
Q905
Q901
REC BIAS
CONT
CONT
SWITCHING
SWITCHING
RUN PLS
SOL
M_12V
U_CON5V
MOT
SWITCHING
SWITCHING
SWITCHING
TAPE MOTOR
DRIVER
SOLENOID
DRIVER
BIAS OSC
SWITCHING
1
2
3
4
5
6
7
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
L-CH
R-CH
ERASE
HEAD
RECORD/
PLAYBACK
HEAD
IC102
REC./P.B.
EQUALISER
AMP.
REC./P.B.
EQUALISER
AMP.
ST
CF352
CF351
FM IF
FM IF
24 22
21 20 19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC303
LA1832S
22
21
20
17
16
15
14
13
12
1 2
3
4
5
6
7 8
8
9
7
10
6
11
5
12
4
13
3
14
2
15
1
16
9
10
11
IC302
LC72131
IC521
LC72723M
X352
X351
456kHz
456kHz
L354
LOW PASS
FILTER
FILTER
X IN
NC
CE
DI
CL
MO/ST
FM
FM
DO
CE
DI
CL
DO
FM IN
X OUT
DATA
CLE
VSS
AOUT
VDD
AM IN
NC
IF IN
IF REQ
SW
VCC
AM ANT
AM OSC.
VD301-1
SVC348S
SVC348S
VD301-2
SVC348S
SVC348S
VR351
10K(B)
10K(B)
FM MUTE LEVEL
23
T351
+5V
AM IF
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
FE301
FM FRONT END
4.5MHz
X521
456 kHz
Q351
SWITCHING
R_MUTE
PLL TUNER
RDS
ZD351
Q360
FM+B
FM+B
A_12V
FM IF
AM OSC OUT
AM MIX OUT
A_GND
+5V
+5V
A_12V
D_GND
AM IF IN
T302
T306
1
2
3
CF302
1
2
3
2
1
3
4
5
6
7
8
10.7MHz
FM IF
CF301
1
2
3
10.7MHz
TP301
1
2
AM
FM
CNP301
SO301
FM
ANTENNA
SOCKET
L341
BALUN
Q301
Q521
XL-65H ONLY
Figure 16 BLOCK DIAGRAM (1/4)
– 17 –
XL-55H/65H
105
106
106
REC
CD+B
P MUTE
P-STB
P-CONT
1 2 3 4 5 6
CD L
CNP605
TO CD SERVO PWB
U_CON 5V
D-GND
A_12V
TAPE SW
A_12V
PROTECT
REC L/R CH
TAPE L/R CH
AY PWB
TO DISPLAY
PWB
PWB
XL-65H ONLY
XL-65H : 12Pin
XL-55H : 9Pin
XL-55H : 9Pin
FROM DISPLAY
PWB
PWB
10 10
7 8 9
SO601
SPEAKER
TERMINALS
SPEAKER
TERMINALS
J601
HEADPHONES
HEADPHONES
13
IC601
LA4451
POWER
AMP.
POWER
AMP.
IC681
KIA7805P
12
7
2
1
3
VCC
3
4
L-IN
R-IN
L-CH
OUT
R-CH
OUT
P-STB
MUTE
Q602
Q601
Q603A
Q605A
Q609A
Q605A
Q609A
VSS
VDD
IC401
LC75342M
IC461
KIA4558P
OPE AMP.
OPE AMP.
15
14
13
12
11
10
9
17
18
19
20
21
22
23
24
25
26
27
28
29
16
8
7
6
5
4 3
4
3
2
1
5
6
7
8
2 1
CE
DI
30
CL
LOGIC
TUN L
TAPE L
CD L
AUX L
AUX R
TAPE R
TUN R
CD R
CNS704
SO401
VIDEO/AUX IN
TO
DISPLAY
PWB
Q607
Q461
Q463
Q605
Q604
Q606
Q608
Q603
Q683
Q609
VOLTAGE
REGULATOR
CD+B
CD_6.2V
MECHA 12V
(M_12V)
AUDIO 12V
(A_12V)
R-CH OUT
L-CH OUT
A_12V
A_12V
USWD_5R6V
D_GND
A-GND
CD R
D-GND
CD_6.2V
M_GND
L-CH
L-CH
+
+
3
2
1
GND
T.F
D651~D654
D656~D659
RLY681
D656~D659
VOLTAGE REGULATOR
SO651
AC POWER
INPUT SOCKET
AC230V,50Hz
CNP707
T651
POWER
TRANSFORMER
(MAIN)
T681
POWER
TRANSFORMER
(SUB)
F651
T3.15A L250V
F652
T1.25A L250V
9
2
5
11
CNP652
1
2
CNP680
1
2
GND
GND
CNS652
1
2
REC R CH
REC L CH
NC
FUNCTION/VOLUME EQUALISER
SURROUND
STEREO
SD
R-MUTE
MUTE
60
A_12V
A_12V
CE
DI
CL
DO
FM ST
SD
1
2
3
4
5
6
7
8
9
10
VSM
RDS DATA
RDS CLK
11
12
LINE
FILTER
LF651
Figure 17 BLOCK DIAGRAM (2/4)
XL-55H/65H
– 18 –
Figure 18 BLOCK DIAGRAM (3/4)
CNP702
CNS605
CNP605
CLID SW
GVSW
PICK_IN
BLKCK
MDATA
MCLK
MLD
MRST
CD STB
STAT
TO MAIN SECTION
TO MAIN SECTION
TO MAIN SECTION
TO AMP. SECTION
D701~709
LED
SW700
VOLUME
C
C
D
A
C
M
M_
6
5
4
3
3
2
5
6
4
1
2
1
7
8
9
10
1
4
5
1
4
38
100
67
Q707
Q701
Q702
Q703
Q706
M_G
SW801
CD LID
CD LID
OPEN/CLOSE
~
~
~
39
42
~
SEG0
SEG33
COM0
COM3
65
65
64
63
62
61
60
59
58
33
50
49
26
27
28
25
46
45
44
43
22 22
29
30
31
34
35
36
39
38
51
42 47
41
MRST
MCLK
STAT
BLBCK
MDATA
MLD
PU_IN
CD_STB
21
15
14
11
5
VLC3
8
VDD
MMOD
VREF
USWD_5.6V
VSS
13
12
10
9
18
17 KEY1
KEY2
SW702-SW704
SW701
SW707-SW709
SW705,SW706
KEY
POWER
37
9
8
7
6
5
4
3
2
1
1
2
SD
STEREO
DO
CL
CE
DI
CD+B
P_MUTE
P_STB
SURROUND
SD
STEREO
CL
DO
DI
CE
P_MUTE
P_STB
CD+B
SURR
10
11
9
8
7
6
5
4
3
2
1
TAPE_SW
D_GND
D_GND
SOL
MOT
REC
RUN_PLS
BIAS
B_CAN
A–12V
A–12V
PROTECT
U_CON5V
TAPE_SW
SOL
MOT
REC
RUN_PLS
BIAS
B-CAN
CLID_SW
GVSW
BACK_LIGHT
SWITCHING
JOG_UP
P_CONT
JOG_DOWN
REMOCON
SYS_STOP
SYS_STOP
1 2 3
REMOTE
SENSOR
SENSOR
GP1U281X
RX701
3
1
2
24
7
6
VLC1
VLC2
VREF+
23
11
40
48
13
12
CLE
DATA
VSM
CLE
DATA
VSM
IX0060SJ
SYSTEM CONTROL
MICROCOMPUTER
XL-65H ONLY
8MHz
32.768MHz
IC701
LCD701
X701
X702
CNS704
XL-65H : 12Pin
XL-55H : 9Pin
XL-55H : 9Pin
CNS680
CNP704
CNP703
CNP680
CNS703
CNS707
TO POWER
– 19 –
XL-55H/65H
Figure 19 BLOCK DIAGRAM (4/4)
CNP702
CNS605
CNP605
CLID SW
GVSW
PICK_IN
BLKCK
MDATA
MCLK
MLD
MRST
CD STB
STAT
NM801
SLED
MOTOR
NM802
SPINDLE
MOTOR
M
M
TRACKING COIL
FOCUS COIL
PICKUP UNIT
VCC
GND
MON
LD
1/2V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
TO MAIN SECTION
TO MAIN SECTION
TO MAIN SECTION
TO AMP. SECTION
CD_R
CD_L
D_GND
D_GND
D_GND
D_GND
A_GND
CD_6.2V
CD_6.2V
+6.2V
+6.2V
M_GND
M_GND
M_GND
M_GND
6
5
4
3
3
2
5
6
4
1
3
2
1
2
1
7
8
9
10
Q801
Q804
LASER
DRIVER
CONSTANT
VOLTAGE
SW800
PICKUP IN
M_GND
SW801
CD LID
CD LID
OPEN/CLOSE
80
79
78
77
76
75
74
73
72
71
70
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
22
21
44 45
50
51
57
58
59
60
13
9 8
7
6
4
18 17
16
14
SSEL
MSEL
PSEL
CSEL
RSEL
OUTR
AVSS1
OUTL
AVDD1
/TEST
IOSEL
VDD
J801
DIGITAL
OUT
DIGITAL
OUT
X2
X1
VSS
AVSS2
AVDD2
IREF
ARF
TBAL
LD
BDO
/RFDET
TRCRS
OFT
VDET
RFENV
TE
FE
FBAL
VREF
FOO
TRO
KICK
ECS
ECM
TVD
TVR
/RST
STAT
DMUTE
SQCK
BLKCK
MLD
MDATA
MCLK
TX
DVDD1
5
DVSS1
32
31
30
29
28
27
26
25
24
23
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
16
18
19
20
21
22
23
24
25
26
27
28
PO1–
PO1+
VO3–
VO3+
VIN3
VG3
VCC
VCC
BIAS
VG4
VIN4
VO4+
VO4–
OPO
VO2–
VO2+
VIN2
VG2
GND
GND
GND
MUTE
REG O
TRB
VG1
VIN1
VO1+
VO1–
VREF
VDET
TEBPF
TEOUT
TEN
FEN
FEOUT
GCTL
FBAL
TBAL
E
E
F
F
D
B
B
C
C
A
A
GND
NRFDET
OFTR
CBDO
CDFTR
BDO
3TOUT
CEA
ARF
CACC
RFIN
RFOUT
RFN
VCC
LD
PD
9
8
7
6
5
4
3
2
1
1
2
D
O
O
CL
E
DI
B
TE
TB
10
11
9
8
7
6
5
4
3
2
1
11
13
12
LE
TA
M
MN6627482W
SERVO/SIGNAL CONTROL
AN22000A
HEAD AMP.
MM1469XH
FOCUS/TRACKING/
SPIN/SLED DRIVER
16.93MHz
IC801
IC802
IC804
X803
CNS704
XL-65H : 12Pin
XL-55H : 9Pin
XL-55H : 9Pin
CNS680
CNP704
CNP703
CNP680
CNS703