DOWNLOAD Sharp SD-EX220 (serv.man2) Service Manual ↓ Size: 3.81 MB | Pages: 64 in PDF or view online for FREE

Model
SD-EX220 (serv.man2)
Pages
64
Size
3.81 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System
File
sd-ex220-sm2.pdf
Date
PREV: Sharp SD-EX220 User Manual / Operation Manual

Sharp SD-EX220 (serv.man2) Service Manual ▷ View online

SD-EX220H
6 – 9
0.82 µH
3.3K
0.0015
(ML)
0.0015(ML)
3.3K
0.001
2.2 µH
0.022
100/10
100/10
4.7K
CS4340KS
DAC IC
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
100
100
100
100
100
100
100
DS1SS133
1K
1K
1K
1K
1K
1K
1K
0.022
100P(CH)
100P(CH)
100P(CH)
100P(CH)
220
0.82 µH
0
.047
3.3/16
100/10
0.022
DS1SS133
3.3/16
10P
(CH)
100
KRA107 M
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
220/6.3
4.7K
100/25
KTA1270 Y
100/10
4
.7K
22
DZ5.6BSB
KTC3199
GR
1.2K
10/16
47
3.3K
18P
18P
(CH)
5.6K
0.022
1K
1K
21
20
19
18 17 16 15
8
9 10 11 12 13 14
24 23 22
4
5
6
7
33
32
31
40
39
38
37
36
35
34
69
68
67 66 65 64 63 62 61
71 70
KRC102 M
3.3/50
47K
0.01
DS1SS133
100K
2.2K
2.2K
10/50
10/50
10/25
3.3/16
0.022
0.022
1/50
1/50
0.1
CD_WRQ
CD_DRF
TDO
FDO
SLDO
SPDO
LID_SENS
DIG_FUNC
CD_CE
CD_CLK
CD_DI
CD_DO
CD_RES
CD_CE
CD_CLK
CD_DI
CD_DO
CD_WRQ
CD_RES
CD_DRF
LD_MÐ
LD
_
M+
DIG_FUNC
SP+
SLÐ
SPÐ
SL+
TR
+
FO+
TRÐ
FOÐ
V_IN
GND
VCC
VINIG
+A3.3V
A_GND
+A3.3V
P_GND
+A7.9V
16MOUT
DE_EMPH
R_OUT
A_GND
L_OUT
LOUT
A3.2V
A_GND
ROUT
REF_GND
VCOM
FILT
DE-EMPH
SDA
SCL
LRCK
BCK
DATA
RST
CD_D_GND
DIG_FUNC
16MOUT
+A3.3V
CD_RCH
CD_LCH
P_GND
+7.9V
VIN1
VCC1
VO1-
VO1+
VO2-
VO2+
FR
VO3-
VO3+
VO4-
VO4+
VIN2
VIN2G
VIN3
VIN3G
REG
IN
REG
OUT
VREF_IN
VCC_S
VIN4G
VIN4
A_GND
6
-
10
2
-
D~E
TO
MAIN
SECTION
CD_WRQ
CD_DRF
CD_CE
CD_DO
CD_DI
CD_CLK
CD_RES
LID_SENS
6-1
0
2-D
TO
MAIN
SECTION
CONT2
CONT3
VSS
VDD5
DRF
*RES
*WRQ
DO
DI
CL
CE
DATA
BCK
LRCK
ASDFIN
ASDACK
ASLRCK
EFLG
C2F
XVSS
FSX/16MIN
XIN
XOUT
XVDD
RVDD
RCHO
RVSS
LVSS
LCHO
LVDD
TEST
DOUT
VDD
VSS
MONI5
MONI4
MONI2
MONI1
FSEQ
16.9344 MHz
2
1
3
MAIN PWB-A1 (1/2)
2
3
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
(CH)
1
2
3
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
CONSTANT
VOLTAGE
DIGITAL OUT
CONTROL
47
0.01
0.001
• The number
1
to
12
are waveform number shown in page 5-3.
R32
C39
R34
R33
R25
R26
R27
R28
R29
R30
R31
C37
C38
C36
C35
C33
C117
Q101
C101
R102
C102
D101
R101
IC101
L101
C116
R112
R114
C108
C107
C105
C106
R111
C115
R115
C103
C110
C114
C113
C109
R109
R108
R107
R105
R106
R104
R103
C21
C19
C20
C22
R17
R73
Q84
C83
Q3
R64
R72
C59
IC2
LA6574H
FOCUS/TRACKING/
SPIN/SLED
DRIVER
C70
ZD2
D2
D1
R51
Q2
R52
C60
R53
C58
C30
R24
L1
C31
XL1
C29
C69 0.001
C81
C88
L2
C84
C85
IC4
GP351TZ
DIGITAL
OUT
IC1
78646E
SERVO
R83
CD SIGNAL
3
10
11
12
9
7
8
9
10
11
12
SD-EX220H
6 – 10
+15V
-15V
+3.3V
+7.9V
+15V
-15V
CNP601
6 - 13 11 - E
TO DISPLAY PWB
1.5
0.18
0.22
0.22
0.18
1.5
0.22/50
220
1.2K
DS1SS133
KRC107 M KRA107 M
0.0047
2.2
2.2
0.0047
680P
100K
220
1.2K
47
1K
180P(CH)
180P(CH)
1K
1K
0.01
4.7K
1.8K
3.3K
1.8K
4.7K
KTC3199
G
R
3.3K
KTC3199
GR
2.2/50
2.2/50
1.2K
3.3/16
22/16
0.022
180P(CH)
100/16
2.2K
2.2K
390
390
2.2/50
2.2/50
47P(CH)
0.0022
1/50
LC75341M
AUDIO
PROCESSOR
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
47P(CH)
1K
10/50
1/50
1K
1K
0.0022
1.2K
10/50
1K
1K
1K
LC72723
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8
4
3
2
1
5
6
7
1K
47/10
10K
DS1SS133
1K
1K
1
3
2
DS1SS133
KRC107 M
DS1SS133
8.2K
0.022
1K
1K
DS1SS133
DS1SS133
DZS3.3
10/16
DZS5.1
180
10/16
330
10K
10
6.8K
10K
0.022
560P
2.2 µH
1K
0.022
1K
56K
KTC3199 GR
22P
(CH)
4.332 MHz
1K
10K
56K
10/16
22P
(CH)
0.022
0.022
2.2
µH
47/10
10/16
0.022
68K
3.9K
470P
3.9K
470P
15K
15K
2SK246 GR
SURROUND
P_GND
+A7.9V
TUN_CE
TUN_DI
TUN_CLK
DT_CONT
DT_CONT
DT_CONT
FAN_LOCK
FAN_MOTOR
H/P
SW
SP_RELAY
RDS_RDY
CD_DRF
CD_WRQ
CD_RES
CD_LCH
RDS_DATA
TUN_SM
S_MUTE
SURROUND
TUN_DO
TUN_CLK
TUN_DI
TUN_CE
PROTECT
A_GND
CD_RCH
RDS_RDY
RDS_CLK
RDS_RST
TUN_CE
TUN_DI
RDS_DATA
CD_D_GND
DIG_FUNC
CD_DRF
CD_RES
CD_WRQ
CD_DO
CD_DI
CD_CLK
CD_CE
LID_SENS
DIG_FUNC
CD_DO
CD_DI
CD_CLK
CD_CE
LID_SENS
A/D_RESET
OFFSET_PROTECT
RDS_CLK
RDS_RST
PROTECT
S_MUTE
PROTECT
PROTECT
TUN_SM
TUN_CLK
TUN_DO
(TUNER)
(AUX)
CL
VDD
R1
L1
L2
L3
L4
LSELO
RSELO
R4
R3
R2
VREF
R-BASS
R-TRE
R-OUT
L-OUT
VSS
CE
DI
R-IN
L-IN
L-TRE
L-BASS
(CD/MD)
+
7.9V
A_GND
H/P_L_OUT
H/P_R_OUT
READY
RDS-ID/
RDCL
RDDA
RST
MODE
VDDD
VSSD
XIN
XOUT
TEST
CIN
FLOUT
VSSA
VDDA
MPXIN
VREF
RDS DECODER
DIG_FUNC
CD_WRQ
CD_RES
CD_DRF
CD_DO
CD_DI
CD_CLK
CD_CE
LID_SENS
CD D_GND
+A3.3V
CHASSIS
AUX IN
L-CH
R-CH
6-9
1
2-D
~
G
FROM
CD
SECTION
D+5V(SWD)
D_GND
+5.1V
A_+3.3V
P_GND
CE
CL
DO
CD_R CH
A_+7.9V
CD_L CH
A_GND
FM_DET
TUN_R
TUN_SM
VCC_9V
TUN_L
A_GND
A GND
DI
34
33
32
26
25
21
24
23
22
30
29
28
20
27
19
17
16
15
9 10
8
7
18
5
6
2
3
4
1
13 14
12
11
31
1
1
11
2
3
5
6
4
7
8
9
10
11
CD_D_GND
+/-9V_GND
P_GND
MICOM_D_GND
P_GND
CD
A
GND
4
3
1
5
2
TO
TUNER
UNIT
CNS
6 - 14
FROM PO
MAIN PWB-A1 (2/2)
6
5
4
3
2
1
7
8
9
10
11
12
13
14
15
16
D
S
G
1
2
3
1
2
3
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B
-B
-B
+B
+B
+B
+B
+B
+B
+B
1
34
Q535, Q536:
SURROUND ON/OFF
BASS
CONTROL
BASS
CONTROL
SURROUND
22K
22K
0.15
10K
33K
220
220
10K
2.7K
0.15
0.15
100/16
0.022
0.022
1/50
1K
47K
10K
100P
(CH)
10/16
100/16
1K
1/50
KTC2874 B
10K
10K
22/16
5.6K
TJM4558CD
OPE AMP.
C591:
100P(CH)
MUTING
• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
C501
C530
C512
C516
R503
R512
C504
C503
C572
C502
C514
R502
C570
C571
R501
C513
C511
C531
C515
R511
C566
R525
R527
Q551
R513
C523
C521
C527
R515
C525
R519
R517
R578
C565
R577
C564
R579
JT501
AUX INPUT
R580
C519
R528
R526
R514
Q552
C522
C524
R520
C520
R516
R518
C537
Q535
Q536
R53
D535
C536
R53
Q538
R53
C535
R555
R521
R524
R522
R523
C528
C526
CT29
C538
R556
R557
R53
R55
ZD400
R400
C406
CT21
RT21
RT32
RT31
CT26
CT22
XT21
RT24
QT21
CT23
RT27
RT25
RT26
CT25
CT30
CT31
CT27
RT28
RT30
RT22
LT21
RT29
CT32
CT28
LT22
CT24
ICT21
R409
R408
D404
D403
Q400
D400
R402
C410
C411
ZD402
R405
D402
R412
R411
D401
R403
CNP502
R581
CNP501
IC501
FFC502
FFC501
R582
R583
C582
R584
R586
R587
R588
R589
R500
C590
C589
C584
C588
R590
R594
R595
C594
C593
C586
C587
C585
R585 C583
Q581
R591
R592
C592
R593
C591
IC503
IC503
CD SIGNAL
AUX SIGNAL
FM SIGNAL
A
B
C
D
E
F
G
H
1
2
3
4
5
6
SD-EX220H
6 – 11
+12V
+9V
+20V
-20V
0.6V
0V
0V
1.4V
0V
1.4V
1
4.7K
4.7K
1
1K
1K
MA111
0.022
47K
KTA1504 GR
KTA1504 GR
0.1(3W)
0.1(3W)
1K
4.7K
1K
KTA1504 GR
KTA1504 GR
KRC102 S
4.7K
22K
22K
0.1(3W)
0.1(3W)
1.5K
DZ4.7BSA
47/25
1.5K
10/50
1K
1.2K
1K
1K
33P
(CH)
DS1SS133
18K
47P
(CH)
0.0047
2.2K
0.012
1K
10K
KTC3199 GR
NJM4565M
BUFFER
AMP.
KTC3199 GR
1K
2.2K
0.0047
10K
0.012
100K
220
33P
(CH)
1.2K
47P
(CH)
0.01
100K
KTC3199 GR
4.7K
KTC3199 GR
4.7K
100K
0.01
18K
10/50
1K
47
47/25
560P
0.22/50
KRA102 S
1M
MA111
4.7K
DS1SS133
DS1SS133
DS1SS133
0.001
MA111
KTC3875 GR
KTC3875 GR
KRC102 S
KRC102 S
10/50
4.7K
KRA102 S
KRC107 S
DS1SS133
4.7K
10/50
KTC3875 GR
4.7K
4.7K
0.0047
1K
0.01
0.01
100K
180
180
10/16
100
2
1
5
6
7
1/50
DS1SS133
1K
1K
1
3
2
3
KRC107 M
SS133
DZ5.6BSB
.022
1
DZS3.3BSB
0/16
DZS5.1BSB
180
0/16
330
0.047
(ML)
KIA7808AP
VOLTAGE
REGULATOR
1/50
0.022
KIA7809AP
3
1
0.047
(ML)
1/50
0.022
DS1SS133
100K
10K
Q546
KTA1266 GR
KTC2874 B
2.2K
KRA107 M
2.2K
KTC2874
B
47
47
KIA7812AP
VOLTAGE
REGULATOR
3
1
0.047
(ML)
0.022
1/50
10/16
KTC3203 Y
KTC3203 Y
DZ6.2BSC
220
1.5K
KTA1271
Y
47/25
4.7
560
DS1SS133
KTC3199 GR
47K
33K
120K
4.7K
10K
10K
100/16
DS1SS133
100/16
100/16
1.5K
SK246 GR
3
2
1
8
4
5
6
7
2
2
OFFSET_COMPRA
H/P_SW
S_MUTE
OFFSET_PROTECT
AD_RESET
SP_RELAY
OFFSET_COMPA
A/D_RESET
PROTECT
OFFSET_PROTECT
SP_RELAY
FAN_LOCK
FAN_MOTOR
PROTECT
PROTECT CIRCUIT PWB-A3
D+5V(SWD)
CD_D_GND
OFFSET COMPA
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
OFFSET PROTECT
PROTECT
A/D_RESET
R-CH_+1
R-CH_-1
L-CH_-1
L-CH_+1
FAN_M-
FAN_M+
L-CH_IN_+1
L-CH_IN_-1
R-CH_IN_-1
R-CH_IN_+1
(1/2W)
L-CH_OUT
A_GND
R-CH_OUT
8
7
6
5
4
3
1
7
6
5
4
3
2
1
+
-
-
1
2
3
2
1
3
4
1
2
1
2
+
1
2
3
4
5
6
1
2
3
4
5
6
1
3
4
5
6
7
A_-20V
A_+20V
A_+20V
CD_D_GND
+/-9V_GND
VOL_A_GND
P_GND
MICOM_D_GND
P_GND
CD_A_GND
10
9
6
4
3
1
5
7
8
2
L-CH_+1
R-CH_+1
R-CH_
-
1
L-CH_
-
1
L-CH_+1
L-CH_-1
R-CH_-1
R-CH_+1
1
2
3
4
1
2
3
4
1
2
3
4
CNS932
6 - 14 1 - D
FROM POWER PWB
CNS513
6 - 11 11 - B
FROM PROTECT CIRCUIT PWB
M
M401
FAN MOTOR
CNA101
6-1
6
1-C
FROM
1-BIT
AMP.
PWB
CNP513
6 - 11 9 - H
TO MAIN PWB
CNSA103
6 - 17 12 - C
FROM 1-BIT AMP. PWB
D
S
G
2
3
1
1
3
2
1
1
3
2
2
3
1
2
3
1
2
3
IC401
VOLTAGE
REGULATOR
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B
+B
+B
+B
+B
Q539, Q540: MUTING
MUTING
MUTING
MUTING
MUTING
SWITCHING
QS03~QS05:A/D RESET SWITCHING
QS06~QS08: OFFSET SWITCHING
SWITCHING
SWITCHING
QS10, QS11: CURRENT DETECT
QS13, QS14: CURRENT DETECT
URROUND
SYSTEM MUTE
Q421~Q423: FAN SWITCHING
RELAY
SWITCHING
0.022(ML)
1
2
CHASSIS
GND
CHASSIS
GND
47K
10K
100P
(CH)
10/16
4 B
10K
22/16
5.6K
DS1SS133
KRA107
M
0.15
10K
2.7K
470
470
KTC2874
B
MA111
3
1
2
SUBWOOFER
OUT
M4558CD
PE AMP.
C591:
100P(CH)
G
MUTING
MUTING
DRIVER
CNPS01
QS02
RS04
DS04
RS03
DS02
DS06
DS05
CS05
CS06
DS01
QS06
QS07
QS01
CS02
RS07
QS03
QS05
DS03
RS05
CS03
QS08
RS06
RS01
CS01
QS04
RS18
QS11
QS13
RS15
RS16
QS10
QS14
QS12
DS12
CS12
RS20
RS14
RS22
RS21
RS10
RS12
RS19
RS11
RS13
RS17
BIS01
CNS513
CNPS02
BI502
CNS502
R559
R560
R536
D535
C536
R538
C552
R542
Q538
Q540
R572
C542
R540
R539
C568
R546
C544
R544
ZD556
C556
C546
R548
Q544
C550
R550
BI511
CNS511
R552
R551
Q543
R549
C551
C541
R571
Q539
R541
R537
C535
R543
C553
C569
C543
R556
R557
R535
R558
C555
C562
C561
R574
R573
Q545
C549
R545
C545
R547
C548
Q548
R575
R576
Q547
R570
R569
C559
C560
CNP401
CNS401
R434
R433
R432
PS421
4.7
Posistor
Q423
R427
R428
Q421
R422
Q422
R423
R425
ZD400
R400
C403
C40
IC401
C405
IC400
C400
C401
C402
C406
IC402
Q400
D400
ZD401
C410
C411
ZD402
R405
C409
C408
C407
R431
D422
C424
ZD421
R426
R424
C423
D421
LF402
C422
C421
R421
SO421
SPEAKER
TERMINAL
LF401
R438
C425
Q424
R430
R429
D423
RL421
D402
R412
R411
R407
R406
CNP513
IC502
CNP532
R594
R595
C594
C593
R592
C592
R593
C591
D581
Q549
C595
R598
R597
R596
R599
Q550
D582
IC503
JK500
IC503
7
8
9
10
11
12
SD-EX220H
6 – 12
0.01
10K
1/50
DS1SS133
DS1SS133
10K
10K
1K
1K
1K
100P(CH)
0.022
1/50
15K
150K
1K
1K
1K
1.2K
1K
1K
0.022
1.5K
1.8K
1K
1K
1.8K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1.2K
1K
10K
10K
0.001
100P(CH)
2.2K
1K
0.001
1.5K
DS1SS133
DS1SS133
1K
1.8K
1K
100P
100K
0.001
4.7K
304VT2E2
1K
1.2K
10K
10K
2.7K
FL DISPLY
IX0557AW
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
1K
10/16
2.2
µH
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62
16 17 18 19 20
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
0.01
2.7K
1.5K
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 2
D_GND
CHASSIS_GND
-VP
V+ VF1
V- VF2
POWER
+5.6V
PROTECT
+B_CHK
FAN_MOTOR
FAN_LOCK
RDS_CLK
RDS_DATA
TUN_SM
KEY3
KEY2
D_7
D_6
D_1
D_3
S_20
S_21
O/C_SW
S_18
S_19
S_7
S_5
S_2
D_4
LID_SENS
S_1
PROTECT
RDS_RDY
S_9
PWR_LEV_2
S4
S_4
S_10
S_24
S_3
D_9
S_9
S_8
RESET
RDS_RST
+B_CHK
SP_RELAY
S_12
S_13
S_5
S_6
H/P_SW
S_10
S_11
KEY1
S_16
S_17
S_7
S_8
D_2
S_6
SURROUND
S_14
S_15
S_22
S_23
D_8
S_18
S_17
PWR_LEV_1
S_MUTE
D_5
S_16
S_15
S_14
S_13
S1
9
S_12
S_11
KEY1
SYSTEM
MICROCOMPUTER
CHASSIS GND
40V RELAY
+5V(BACKUP)
+5V(UNSW)
SUB TRANS+B
SUB TRANS+B
(USWD)
+5.6V
FÐ
FÐ
V-
V+
NP
NP
P24
P23
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
FAN
MOTOR
P_IN
PROTECT
-VP
+B CHK
GND
CNVSS
V
PP(FLASH)
ILU_LED
+B
CHK
PWR
L
EV
2
PWR
L
EV
1
FAN
LOCK
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG11
SEG12
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
POWER
DAC_CLK
DAC_DATA
TUN_SM
DAC_ML
RDS_RDY
RDS_CLK
RDS_DATA
RDS_RST
(MOT
LOCK)
DIG7
DIG8
DIG6
DIG5
DIG4
DIG3
DIG2
DIG1
H/P
S
W
BASS/TREBLE
POWER
DIG9
KEY1
INI
VEE
VREF
SP
RELAY
TIMER_STBY
S
M
UTE
O/C
SW
PROTECT
LID
SENS
VOLUME DOWN
OPEN/C
AVSS
SURROUND
RESET
SKIP/TUNING UP
VOLUME UP
SKIP/TUNING
DOWN
PLAY/PAUSE
AUX
TUNER
(BAND)
STOP
3
2
1
4
5
11
6
7
8
9
10
12
6
5
1
3
4
7
8
9
10
11
O/C_SW
1
2
CLOSE
OPEN
1
2
1
2
SWITCH PWB-B3
CNP931
6-1
4
2-B
TO
POWER
P
WB
10K
+B
+B
+B
+B
+B
+B
+B
+B
+B
• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
FL601
C618
IC701
C624
C635
C619
R690
R693
R692
R691
BI771
CNS771
C770
R771
R770
CNP771
SW771
CD DOOR
OPEN/CLOSE
R682
R681
C785
R734
R733
R603
R737
R602
R601
C623
R700
R699
R714
C625
R710
R709
C622
L602
R719
R652
R651
R620
R614
R610
R613
R607
R608
R619
R618
R606
R612
R615
R616
R611
R739
R609
LED601
C605
SW606
R738
D608
R71
R720
SW604
C602
C603
D617
C604
R673
C601
R718
SW607
R721
D603
D604
R728
BI601
CNS601
R716
SW601
SW602
SW615
SW608
SW611
SW612
R724
SW61
R725
R696
R695
A
B
C
D
E
F
G
H
1
2
3
4
5
6
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