Sharp SD-EX100H (serv.man14) Service Manual ▷ View online
SD-EX100H
– 38 –
Figure 38 SCHEMATIC DIAGRAM (9/15)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 23.
-33.8V
-52V
-34.4V
-12.2V
-18V
-12.9V
FL HEATER
AD_+3V
µ
COM_GND
S_MUTE
MO_GND
AD_+3V
BKUP_+3V
µ
COM_GND
µ
COM_GND
+12V_M
CD_FUNC
CD_FUNC
OPEN
CLOSE
U/D_I+
U/D_I–
L/E_I+
L/E_I–
TRP_TR
DSZ_TR
MCH_UP
MCH_DWN
MECH_S
CD_GND
CD_+B
TUN_DO
TUN_DO
T/V_DI
T/V_DI
µ
COM_GND
PU_IN
CD_RW
CD_RESET
CD_CCE
–VP
VF1
VF2
T/V_CE
T/V_CK
ANA_GND
ANA_–12V
ANA_-12V
ANA_+12V
ANA_+12V
+12V_M
MO_GND
–VP
VF2
VF1
ANA_GND
TUN_GND
TUN_GND
TUN_GND
CD_BUS0
CD_BUS2
CD_BUS1
CD_BUCK
CD_CCE
PU_IN
CD_RESET
CD_BUS3
CD_RW
CD_CCE
CD_BUCK
CD_BUS0
CD_BUS1
CD_BUS2
CD_BUS3
CD_RESET
PU_IN
CD_RW
TUN_SM
TUN_D_GND
T/V_CE
T/V_CK
TUN_L
TUN_R
TUN_R
TUN_L
TUN_SM
TUN_D_GND
L/E_I+
L/E_I–
–B_CONT
PROTECT
CD_FUNC
CD_BUS3
CD_BUS1
CD_BUS2
CD_BUS0
CD_BUCK
BKUP_+3V
FAN_SPD
SP_RLY
OFFSET
HP_SW
U/D_I+
MECH_S
U/D_I–
OPEN
CLOSE
MCH_UP
MCH_DWN
TRP_TR
DSZ_TR
MAIN_RLY
A/D_RESET
P_IN
TUN_SM
TUN_D_GND
T/V_DI
T/V_CK
TUN_R
TUN_L
TUN_DO
T/V_CE
ANA_+12V
–VP
CHASSIS
GND
GND
9
10
11
12
13
14
15
7
5
6
8
3
4
1
2
9
10
11
12
13
14
15
16
7
5
6
8
3
4
1
2
9
10
11
12
13
14
15
7
5
6
8
3
4
1
2
9
10
11
12
7
5
6
8
3
4
1
2
5
4
6
2
3
1
7
8
9
10
9
10
11
8
7
6
5
4
3
2
1
9
10
11
12
13
8
7
6
5
4
3
2
1
TERMINAL PWB-C1
CNS101
P41 10 - H
TO TUNER PWB
CNS706
P35 11 - C
FROM CD SERVO PWB
CNS707
P35 11 - D
FROM CD SERVO PWB
+B
+B
+B
+B
–B
–B
–B
+B
+B
+B
+B
+B
CNSD01A
P30 5 - H
TO DISPLAY PWB
CNSD02
P31 7 - H
TO DISPLAY PWB
CNSD03
P31 9 - H
TO DISPLAY PWB
CNSD04
P31 10 - H
TO DISPLAY PWB
0.047(ML)
DZ13BSC
1K
220
47/25
KTA1271 Y
1000/25
2200/16
0.01
100/35
220
220
12K
DZ5.1BSB
47/50
KTA1023 Y
100
2.2K
47/50
47/63
(1/2W)
(1/2W)
DZ33BSD
100/50
470/50
DS1N404S
DS1N404S DS1N404S
CNPD01A
CNPD02
CNPD03
CNPD04
C412
ZD410
R411
C411
Q410
R410
C410
C404
C489
C427
R425
R424
R423
ZD422
C426
Q421
R422
R421
ZD421
C425
C424
D425
D423
C423
C422
D424
T400
CNP101
CNP706
CNP707
– 39 –
SD-EX100H
Figure 39 SCHEMATIC DIAGRAM (10/15)
7
8
9
10
11
12
0V
0V
2.8V
0V
0V
0V
0V
0V
2.8V
0.17V
0V
0.7V
0V
3V
HEATER
HEAD PHONES
DIGITAL OUT
L–
R+
R–
µ
COM_GND
ANA_GND2
A_GND
CD_GND
–B_CONT
PROTECT
P_IN
CD_+B
CD_GND
AD_+3V
BKUP_+3V
µ
COM_GND
MAIN_RLY
MO_GND
A/D_RESET
+12V_M
CD_+B
+12V_M
+12V_M
AUX_R
SP_RLY
S3_2
S3_1
DIO_GND
HP_SW
FAN_SPD
OFFSET
GND_A4
HP_OUT(L)
HP_SW
ANA_–12V
ANA_+12V
HP_OUT(R)
AUX_L
µ
COM_GND
L+
ANA_GND
CHASSIS
L–
L+
R+
R–
R
L
R-CH
L-CH
AUX_IN
CHASSIS
GND
GND
2
3
1
1
2
3
2
3
1
DIO_GND
D_OUT
+3V
3
1
2
4
3
2
1
3
1
2
4
4
3
2
1
7
6
5
4
3
2
1
6
5
4
3
2
1
3
2
1
1
2
3
4
5
6
7
8
9
10
11
CNSA110
P43 12 - C
FROM 1-BIT AMP. PWB
CNP402
TO CD SERVO PWB
CNP401
TO DISPLAY PWB
CNS800
P36 1 - E
FROM POWER AMP. PWB
CNS801
FROM POWER AMP. PWB
P36 1 - G
P33 9 - H
P35 12 - A
+B
+B
+B
+B
+B
–B
–B
AUX INPUT
TERMINAL
100/50
100/50
470/50
DS1N404S
DS1N404S
DS1N404S
2.2
µ
H
0.22
(ML)
47(3W)
0.22
(ML)
47
(3W)
0.22
(ML)
0.22
(ML)
0.001
0.001
0.001
330P
15K
15K
KTC3875 GR
DS1SS133
KTC3875 GR
5.6K
0.1
DS1SS133
15K
15K
KTC3875 GR
KTC3875 GR
0.1
5.6K
22K
22K
DS1SS133
DS1SS133
DS1SS133
4.7K
KTC3199 GR
100K
330
10P
(CH)
2.2
µ
H
100/10
0.022
470P
27K
22K
0.001
DS1SS133
DS1SS133
18
18
0.001
DS1SS133
DS1SS133
0.022
0.022
470P
27K
22K
1FA351TZ
0.001
0.001
0.001
330P
(CH)
FM SIGNAL
AUX SIGNAL
CD SIGNAL
C421
D422
D423
C423
C422
D421
T400
CNP801
CNP800
CNW401B
CNW401A
CNS401
CNS402
L481
CNW402
CNP400
C449
R451
C451
R450
C450
C448
C455
C452
C453
C462
R462
R460
D461
Q462
R464
C460
D460
Q460
R463
R461
Q461
Q463
C461
R465
R467
R466
D462
D463
D465
R469
RL460
Q465
R468
R491
C491
L491
C492
C493
C473
R497
R495
C487
D482
D481
R486
R485
C488
D483
D484
C486
C485
C474
R498
R496
JK402
JK401
IC401
JK400
C417
C413
C414
C416
SD-EX100H
– 40 –
Figure 40 SCHEMATIC DIAGRAM (11/15)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 23.
FM FRONT END
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9 10 11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
18
19
20
21
22
23
24
CE
DI
CLK
DO
AM
BALUN
TP301
MUTE
IO2
FM IF IN
AM MIX OUT
AM OSC OUT
FM AFC
AM OSC IN
AM RF IN
AM LOW CUT
VSM
FM/AM OUT
SD
GND
AM IF IN
REG
IF IN
X OUT
X IN
CE
DI
CL
DO
AM IN
FM IN
VDD
PD
AIN
AOUT
VSS
ANT
GND
GND
GND
VT
VCC
IF OUT
F OUT
FM
MW
MO/ST
ST IND
4
3
2
1
6
4
4
1
3
3 4 5 6
1
2
ANTENNA
TERMINAL
TERMINAL
CHASSIS
GND
CHASSIS
GND
GND
FM
75 OHMS
AM
TUNER PWB-D
AM ANTENNA
AM OSC.
FM MUTE
LEVEL
FM IF AMP.
AM IF
SWITCHING
+B
+B
+B
+B
+B
+B
0.0022
0.01
DS1SS133
DS1SS133
82
0.022
100/16
DS1SS133
DS1SS133
0.001
0.022
0.022
0.001
4.7K
0.022
DS1SS133
DS1SS133
DS1SS133
0.001
0.001
DS1SS133
KTA1266 GR
5.6K
1K
KTA1266 GR
100P(CH)
100P(CH)
5.6K
DS1SS133
100P(CH)
1K
1K
4.7K
12P(CH)
15P(CH)
DS1SS133
4.5MHz
DS1SS133
2.2
µ
H
150
1K
10K
0.001
10/16
0.022
47/25
100
0.047
1/50
2.2K
0.01
1.5K
33
C380-O
6.8K
680
470
330
100P
(CH)
0.47/50
0.022
15P(UJ)
330P
SVC348S
10K
0.022
0.022
18P(UJ)
68K
0.022
33P
(CH)
0.022
8.2K
470
1mH
0.022
3.3/50
0.022
10/16
1K
0.022
0.001
1/50
2.7K
1K
0.047
10/16
0.022
5.6K
FM SIGNAL
AM SIGNAL
C13
C88
D13
D12
SO101
R81
C80
C78
D16
D15
C77
C79
C81
C87
R83
C82
FE10
D20
D11
D10
C10
C12
D19
Q71
R70
R69
Q70
C72
C73
R75
C71
R68
R67
R29
D14
C61
C62
X71
D17
D18
L73
R61
R78
R62
C66
C68
C64
C63
L7
C67
C65
R64
C69
R63
R88
Q72
R85
CF32
R86
R84
R89
CF33
T20
C20
C15
C14
C16
C19
VD20
R10
C18
C17
C21
R11
T21
C22
C24
C23
R13
VR31
R12
L31
C25
C26
C27
C28
R14
C29
C30
C31
R15
CF30
R23
C40
T51
L20
C39
C38
C37
R22
– 41 –
SD-EX100H
Figure 41 SCHEMATIC DIAGRAM (12/15)
7
8
9
10
11
12
FM IF DET/FM MPX/AM IF
PLL
(TUNER)
RDS
DECODER
4
5
6
7
8
9 10 11
12
13
14
15
16
17
18
19
0
2
3
4
5
6
7
8
9
10 11
12
13
14
15
16
17
18
19
20
21
22
23
4
TUN/R
SM
D_GND
CE
CLK
DO
DI
A_GND
TUN/L
A+12V
DI
CLK
DO
TP302
MUTE
IO2
FM
IF
IN
AM MIX OUT
FM AFC
AM OSC IN
AM RF IN
AM LOW CUT
VSM
FM/AM OUT
MPX VCO
MPX IN
R-CH OUT
L-CH OUT
PHASE (FM/AM)
PHASE
IF OUT
VCC
FM DET
STEREO
SD
GND
AM IF IN
REG
IF IN
DI
CL
DO
AM IN
FM IN
VDD
PD
AIN
AOUT
FM
MW
MO/ST
ST IND
MO/ST
7
6
4
8
1
2
3
9 10
5
CNP101
P38 6 - B
TO TERMINAL PWB
AM IF
SWITCHING
+B
+B
+B
+B
+B
+B
+B
VREF
FLOUT
VSSA
MPXIN
CIN
T1
T2
T3
T5
XOUT
VSSD
T7
SYNC
DI
RDS-ID
DO
CL
SYR
T6
CE
VDDD
XIN
VDDA
T4
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
56K
0.001
47K
KTA1266 GR
5.6K
0.001
1K
5.6K
KTA1266 GR
5.6K
DS1SS133
1K
1K
4.7K
47/25
4.7K
82K
330P
1K
10K
0.001
10/16
0.022
47K
100
µ
H
0.047
1/50
2.2K
0.01
1.5K
LC72131
33P
(CH)
0.022
0.022
10/16
1K
0.022
0.001
1/50
2.7K
LOW PASS
FILTER
FILTER
220
15K
1/50
0.039
456 kHz
470K
0.039
220
1/50
1K
1/50
15K
0.022
3.9K
100/10
100
µ
H
1/50
3.3K
22P (CH)
0.001
2.2/50
0.022
3.9K
1/50
1.8K
0.047
0.022
100/10
270
1K
0.022
0.022
0.047
10/16
LA1832S
DZ5.1BSB
270
270
0.022
10/16
KTC3199 GR
0.022
56K
0.022
10K
0.022
47/10
2.2
µ
H
560P
DS1SS133
220K
4.332MHz
22P
(CH)
(CH)
22P
(CH)
(CH)
2.2
µ
H
47/10
0.022
220K
220K
220K
1K
1K
1K
1K
LC72722
C11
R66
Q71
R70
C84
R69
R74
Q70
R75
R72
R68
R29
C74
D14
R73
R71
C70
R78
C66
C68
C64
R65
L71
C67
C65
R64
C69
R63
IC60
C24
C25
C27
C28
R14
C29
C30
C31
R15
L30
R18
R20
C35
C34
R17
C33
R19
X31
C36
R16
C32
R21
C76
R28
C75
L72
C49
R25
C48
C45
C47
C50
R26
C46
R27
C43
CF31
C42
C44
CF30
R24
R23
C40
C41
T51
C39
IC30
ZD91
R76
R77
CNS101
CT37
CT23
QT21
CT24
RT34
CT36
RT32
CT22
CT21
LT21
CT25
DT31
RT39
XT21
CT26
LT22
CT28
CT29
RT35
RT36
RT37
RT30
RT26
RT29
ICT21
CT27
RT28
RT33
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