Sharp XL-1000 (serv.man8) Service Manual ▷ View online
XL-1000H/1100H
– 26 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.
Figure 26 SCHEMATIC DIAGRAM (1/12)
0.6V
0V
(0.9V)
5V
2.5V
2.1V (2.7V)
2.1V (2.7V)
5V
2.1V
2.1V
2.1V
9.6V
0.06V
0.04V
9.5V
2.3V
2.53V
0V
0V
0V
4.8V
0.1V
0.1V
2.6V
0V
2.6V
0.9V
+B
+B
+B
+B
0.84V
0.15V
9.5V
FM FRONT END
FM IF DET/
FM MPX/AM IF
PLL(TUNER)
AM IF
1
2
3
1
2
3
1
2
3
BALUN
VSM
AM RF
OUT
IN
IN
FM AFC
AM OSC
AM OSC
AM IF
REG
AM MIX OUT
IN
IN
FM IF
8
7
6
5
4
3
2
1
5
4
3
2
1
AIN
AOUT
VSS
X OUT
22 21 20
19
AM SIGNAL
FM SIGNAL
CE
DI
CL
X IN
23
22
21
20
1
24
4
3
2
1
AM
GND
FM
75ohms
TP301
CHASSIS
GND
FM Mute
Level
Level
AM Band
Coverage
Coverage
AM
Tracking
Tracking
ANTENNA
TERMINAL
TERMINAL
4.5MHz
SO301
C360
0.022
C362
3.3/50
C349
0.001
0.001
D304
1N4148
1N4148
D303
1N4148
1N4148
L342
2.2
2.2
µ
H
C351
0.022
R351
5.6K
VR351
10K(B)
10K(B)
L353
1mH
1mH
FE301
C346
0.022
C345
0.022
R369A
68
R369B
82
82
C348
100/16
R343
180
C341
0.022
0.022
C347
0.022
0.022
R346
330
330
CF301
R344
680
680
R348
680
R347
6.8K
6.8K
R349
33
Q301
2SC380 O
R323
68K
68K
C334
27P(UJ)
C335
560P
560P
C337
0.022
T306
C329
0.022
0.022
C331
0.047
C332
0.022
L341
IC302
LC72131
IC303
LA1832S
C302
0.001
0.001
CF302
D301
1N4148
D302
1N4148
1N4148
C330
12P(CH)
T302
T351
CF352
C350
0.022
0.022
C352
10/16
R352
1K
C363
0.022
C364
10/16
C365
R358
8.2K
C343
33P
C361
0.022
R382
330
330
C394
47/16
C397
0.022
R386
330
330
R381
10K
C393
1/50
1/50
R380
1.5K
1.5K
C392
0.001
X352
C381
12P(CH)
12P(CH)
C382
15P(CH)
15P(CH)
R374
1K
R373
1K
R372
1K
C384
0.001
0.001
R345
4.7K
R336
5.6K
5.6K
C301
0.012
0.012
VD301
SVC348S
– 27 –
XL-1000H/1100H
7
8
9
10
11
12
Figure 27 SCHEMATIC DIAGRAM (2/12)
0.6V
2.3V
2.3V (0V)
1.3V
1.3V
4V
(2.2V)
0V (0.9V)
2
.1V
(2
.7V)
2.1V
(1.2V)
3.8V
(1.9V)
3.8V
(4.3V)
2.9V
0V
0V
5V
5V
5V
2.1V
0V
(0V)
3.7V
4.7V
(0V)
3.9V
(0V)
(0V)
3.5V
0V
0V
3.7V
(11.4V)
1.7V
5.1V
4.8V
0.1V
0.1V
0.9V
0.9V
5.2V
2.6V
(2.6V)
0V
0V
(0V)
10.8V
10.9V
11.7V
+B
+B
+B
+B
+B
ER)
IF
1
2
3
10
11
1
2
3
4
5
8
9
6
7
SD
FM ST
DO
CL
CE
DI
A_12V
D_GND
TUN_L
TUN_R
A_GND
VSM
AM RF
OUT
OUT
OUT
IN
CUT
AM LOW
FM/AM
MPX VCO
MPX IN
MO/ST
L-CH
R-CH
(AM/FM)
PHASE
PHASE
IF OUT
VCC
FM DET
STEREO
SD
GND
AM IF IN
LOW PASS
FILTER
11
10
9
8
7
6
5
4
3
PD
IF IN
AM IN
FM IN
VDD
AIN
AOUT
0
19
18
17 16 15
14 13 12
CNP307
1000H:P34 5-A
1100H:P36 5-A
TO
MAIN PWB-A1(1/2)
TUNER PWB-A2
FM
FM
MUTE
CE
DI
CL
DO
MO/ST
IF REQ
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
456kHz
2
3
1
L354
C367
1/50
1/50
R350
2.7K
2.7K
CNS307
R366
2.2K
2.2K
C372
1/50
1/50
C371
1/50
1/50
C398
100/10
C380
10/16
D308
1N4148
1N4148
C391
47/16
X351
R361
5.6K
5.6K
C368
1/50
R356
1K
R357
470K
R362
5.6K
5.6K
C369
56P
C374
0.018
C373
0.018
C366
0.001
R353
270
51
CF352
R352
1K
C353
0.022
C354
0.022
CF351
C363
0.022
C364
10/16
C365
0.022
C394
47/16
R381
10K
C393
1/50
1/50
R380
1.5K
1.5K
R379
2.2K
C392
0.001
C387
0.022
C385
0.01
R377
5.6K
5.6K
R355
3.3K
C357
2.2/50
2.2/50
C358
1/50
1/50
C399
0.022
C356
0.001
0.001
R393
1K
R395
47K
L351
100
100
µ
H
C370
1/50
C355
22P
C383
0.022
R387
5.6K
L352
100
100
µ
H
C395
0.022
0.022
C396
100/10
100/10
ZD351
DZ5.1BSB
DZ5.1BSB
R391
390
390
R392
390
390
Q351
KRC104 M
R363
6.8K
R364
6.8K
C386
330P
R365
10K
R374
1K
R373
1K
R372
1K
R371
1K
R359
1.8K
1.8K
R360
4.7K
4.7K
Q360
KTA1266 GR
R385
5.6K
5.6K
R384
6.8K
6.8K
R383
5.6K
5.6K
R376
10K
XL-1000H/1100H
– 28 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• The numbers
1
to
17
are waveform numbers shown in page 20.
• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.
Figure 28 SCHEMATIC DIAGRAM (3/12)
0V
0V
5V
2.2V
2.6V
2.1V
1.8V
2.1V
2.1V
2.1V
2.1V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
5V
5V
5V
5V
5V
5V
1.4V
1.7V
2.5V
2.5V
1.2V
2.4V
0.6V
4.3V
2.1V
2.1V
0V
5V
2.1V
2.1V
2.1V
2.1V
2.1V
2.1V
2.1V
2.1V
1.4V
2.2V
2.2V
2.2V
2.2V
2.1V
2.1V
2.1V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
5V
5V
5V
5V
5V
2.5V
2.1V
2.2V
4.3V
5V
5V
4.9V
0V
0V
0V
5V
5V
5V
5V
2.3V
2.4V
4.3V
4.3V
4.3V
4.3V
4V
3.3V
0V
2.4V
+B
0V
11.6V
11.6V
6.1V
4.6V
4.8V
0.57V
0V
0V
+B
+B
+B
+B
+
+B
+B
+B
0V
0V
4.5V
4.9V
0V
0V
4.1V
SERVO/SIGNAL CONTROL
CD LID
MOTOR DRIVER
1
3
2
3
1
2
3
TO MAIN PWB-A1(1/2)
BUCK
BUS2
CCE
BUS1
BUS0
CD_RES
BUS3
CLID_SW
CLID_UP
CLID_PRO
CLID_DW
BUCK
BUS2
BUS0
BUS1
BUS3
CCE
CD_RES
PU_IN
LIGHT
7
6
6
5
4
3
2
1
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
CD_STB
28 29 30
26
25
27
23
22
21
20
19
9 10 11 12 13 14
24
15 16 17 18
1 2 3 4 5 6 7 8
53 52 51
55
56
54
58
59
60
61
62
72 71 70 69 68 67
57
66 65 64 63
80 79 78 77 76 75 74 73
TESTO
/HSO
UHSO
EMPH
LRCK
VSS
BCK
AOUT
DOUT
MBOV
IFP
SBOK
CLCK
VDD
VSS
DATA
SFSY
SBSY
SPCK
SPDA
COFS
MONIT
VDD
TESIO0
P2VREF
HSSW
ZDET
PDO
TMAXS
TMAX
VCOREV
VCOF
AVSS
SLCO
RFI
AVDD
RFCT
RFZI
RFRP
FEI
SBAD
TSIN
TEI
TEZI
FOO
100
90
99
100
99
97
96
95
94
93
92
91
89
88
98
87
86
85
84
83
82
81
82
81
DVDD
DVSL
DVR
TEST1
TEST2
TEST3
BUS0
BUS1
BUS2
BUS3
VDD
VSS
BUCK
/CCE
TEST4
TEST4
RFGC
TEBC
FMO
FVO
DMO
2VREF
SEL
FLGA
FLGB
FLGC
VDD
VSS
IO0
IO1
IO2
IO3
/DMOUT
/CKSE
/DACT
TESIN
TESIO1
VSS
PXI
PXO
VDD
XVSS
XVDD
XO
XI
FLGD
TRO
VREF
50
49
50
49
48
47
46
45
43
42
41
40
39
38
37
36
35
34
44
33
32
31
LPFN
LPFO
/RST
/TSMOD
DVSR
RO
3
2
1
3
8
2
1
DIMMER
CNP805
1000H:P35 12-G
1100H:P37 12-G
1000H:P34 3-A,B
1100H:P36 3-A,B
TO
TERMINAL PWB-A4
CNS702
1100H:P33 12-C
1000H:P31 12-C
FROM
DISPLAY PWB-A3
PVREV
LO
16.93MHz
R817
1.2K
C864
220P
C866
220P
220P
C869
220P
C862
0.001
C867
220P
220P
C868
220P
220P
C865
220P
C822
220/10
L806
10
µ
H
R832
1K
R831
1K
1K
R830
1K
R834
1K
R835
1K
1K
R836
1K
R837
1K
1K
C837A
100/10
CNP702
R833
1K
1K
C823
0.01
R879
3.3K
IC805
TA7291S
Q908
KRC102 M
KR
Q802
KRC102 M
R
2
R90
47
CNW805
CNS805
C813 100/10
C805
0.0027
0.0027
C807
0.033
0.033
C817 0.1
R811
2.2K
C818
0.1
0.1
R814
3.3K
3.3K
C811
47/10
C820
0.01
C825
0.056
C834
470P
L801 10
µ
H
C828
100/10
C863
470P
C835
0.056
0.056
R807
10K
10K
R813
10
C850
C803
47/10
47/10
R819
220
C836 100/10
C840
100/10
R852 100K
C838 47/10
C829
100/10
C821 0.1
R812
3.3K
C804
0.01
0.01
R815
10K
C830
0.056
C802
0.015
C819
0.1
C809
0.0047
R855
100K
C824
0.056
R873
3.3K
3.3K
C833
470P
R874
2.2K
R808
3.3K
R809
10K
10K
R851
330
X801
R853
100K
R820
1K
C831
10/16
C832
10/16
C872
0.1
L803
10
µ
H
R816
10K
C801
100P
R806
15K
C837
470P
470P
C810
0.001
C826
15P(CH)
R801
10K
C827
15P(CH)
C871
47/16
R818
1.2K
R854
100K
100K
IC802
TC9462F
C806
0.0047
0.0047
R810
3.3K
R804
100K
C812 0.01
R802
47K
12
13
16
17
14
4
11
1
6
7
5
15
– 29 –
XL-1000H/1100H
7
8
9
10
11
12
Figure 29 SCHEMATIC DIAGRAM (4/12)
5V
6.3V
3.4V
4.1V
2V
2.1V
2.1V
2.1V
2.1V
2.1V
2.1V
2.1V
2.1V
2.1V
2.1V
2.1V
2.1V
2.1V
2.1V
2.1V
2.2V
2.2V
1.7V
0V
0V
5V
2.5V
4.3V
3.4V
+B
+B
+B
+B
+B
1.9V
0.8V
1V
3.2V
3.2V
3.2V
3.2V
2.1V
2.1V
2.1V
2.1V
2.1V
7.0V
7.0V
4.4V
2.3V
2.1V
6.4V
5V
4.8V
0V
0V
0V
6.5V
2.1V
2.1V
3.1V
3.2V
6.4V
+B
+B
+B
+B
+B
+B
+B
4.9V
0V
0V
0V
0V
4.1V
10.7V
10.6V
11.4V
11.4V
11.4V
10.7V
FOCUS/TRACKING/
SPIN/SLED DRIVER
SERVO PRE AMP.
CD SIGNAL
1
2
3
1
2
3
SPINDLE
MOTOR
SLED
MOTOR
PICKUP IN
TR–
+5V
E
A
B
F
C
C
GND
PD
VR
LD
LD
FO–
TR+
FO+
C
1/2V
C
+5V
E
A
B
F
C
TR-
GND
PD
VR
LD
FO-
FO+
TR+
-
-
-
-
-
+
+
+
+
+
VCC
LD
MON
GND
E
A
B
F
C
1/2VCC
ACTUATOR
TR-
FO-
PO+
TR+
CD PICKUP UNIT(308)
M_GND
CD_R
A_GND
D_GND
CD_L
CD_6R2V
M_12V
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
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-
GND
PU-IN
SL–
SL+
SP–
SP+
SP+
SP–
SP+
SL–
PU-IN
GND
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
+
–
–
+
M
M
2
1
2
1
7
6
5
4
3
2
1
3
2
1
3
2
1
3
2
1
1
2
1
2
2
1
VREF
13
14
15
16
12
11
10
1
2
3
4
5
6
7
8
9
13
14
15
16
12
11
10
1
2
3
4
5
6
7
8
9
23
24
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
MAIN PWB-A1(2/2)
CD MOTOR PWB-C
LED PWB-A6
XL-1100H
1
2
2
1
LED PWB-A6
XL-1000H
SWITCH PWB-A5
TO
MAIN PWB-A1(1/2)
1000H:P35 12-G,H
1100H:P37 12-G,H
CD LID
OPEN/CLOSE
MOTOR
CD LID
OPEN/CLOSE
M
R861
2.2K
R863
2.2K
M801
CNW806
CNP701
CNS701
CNW701
CNP806
CNS806
CNW804
CNP804
CNS804
D801
DB5306X
Q908
KRC102 M
Q901
KRC102 M
Q902
KTA1266 GR
R902
47K
R901
2.2K
R914
470
CNS701
CNW701
LED801
AUY3333
R914
470
Q907
KTA1266 GR
R904
2.2K
R905
47K
C841 100/10
R822
33
R80C
82K
82K
R80F
82K
82K
R80B
68K
68K
R821
150
150
C842
47/10
CNP802
CNW3
R80A
82K
82K
R80G
68K
68K
C857 47/16
C858 0.01
R862
2.2K
Q861
2SB562 C
C813 100/10
C811
47/10
R80E
82K
82K
C861
0.0022
Q801
KTA1266 GR
L801 10
µ
H
R824
27K
C863
470P
C847
0.1
0.1
C859
470/10
C850
220/10
SW802
R877
68K
CNS803
CNW803
CNP803
C846
0.1
0.1
R828
1.2K
C844
0.0068
C860 0.1
C843
0.1
R823
1K
1K
C845
100/10
R876
150K
L803
10
µ
H
R827
39K
R825
82K
82K
IC801
TA2109F
R829
68K
C839
2P
C849
0.056
C855
100/10
C848
39P
R843 1K
C812 0.01
R826
2.7K
IC804
MM1469XH
NM802
NM801
NSW801
C887
0.0027
2
10
9
8
3