Sharp SD-PX15H (serv.man15) Service Manual ▷ View online
SD-PX15H
4 – 5
8.388608 MHz
IX0621AW
STEM MICROCOMPUTER
0 11 12
13 14 15 16
18 19 20 21
23 24 25 26 27 28 29 30
31
32
33
34
35
36
37
38
40
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
69
70
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
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
FR_L
FR_L
FR_R
FR_R
CENT
CENT
WOF
WOF
SUR_L
SUR_L
SUR_R
SUR_R
BASS_SW
LIMIT
LIMIT
WOOFER_S
WOOFER_S
HP_R
HP_R
40 39 38 37 36
TUN_L
TUN_L
D_+VCC
TUN_R
TUN_R
HP_L
HP_L
1
2
3
4
5
6
7
8
9
10
PST9127
RESET
1 2 3
A_+VCC
A_+VCC
A_-VCC
A_-VCC
ROM
DSP_SCCLK
DSP_UC16
VOL_STB
DSP_RESET
RX_IN
FLASH_RXD
HP_SW
DOOR_CL
DOOR_OP
DOOR_MÐ
DOOR_M+
DSP_UC15
DOOR_MÐ
VOL_CLK
DSP_UC17
DOOR_SPD
NON_PCM
FUNC_DIG
DIR_SCL
DSP_SCDIN
KEY1
VOL_DATA
FUNC_DIG
DIR_INT0
ROM
KEY2
DOOR_PROT
DSP_UC16
STBY_LED
VOL_STB
DSP_RESET
VOL_JOG
DSP_ABOOT
LED
DOOR_SPD
HP_MUTE
DSP_SCDIN
DVD_AMUTE
VOL_CLK
DIR_SDA
DSP_CS
DSP_UC15
VOL_DATA
DSP_SCCLK
DSP_INTREQ
DOOR_M+
DSP_UC17
DOOR_CL
DSP_ABOOT
DSP_CS
DSP_SCDOUT
FAN_LOCK
FLD_RESET
FLD_SDATA
FLD_SDATA
FLD_SCK
RXD_CNT_IN
DVD_STB
DVD_CLK
DVD_DATA
DVD_STB
DVD_CLK
DVD_DATA
DIR_INT0
TUN_DO
TUN_CL
TUN_DI
TUN_CE
FM_STB
FM_STB
TUN_SM
TUN_DO
TUN_CL
TUN_DI
TUN_CE
FM_STB
TUN_SM
TUN_CL
TUN_DI
TUN_CE
FM_STB
TUN_SM
L_MUTE
FLASH_SCLK
TRI_STATE
A/D_RESET
FLASH_BUSY
RXD
_CNT
_IN
DVD_KDATA
FAN_LOCK
DVD_AMUTE
DIR_SDA
DIR_SCL
FUNC_DVD
MAIN_RLY
FLD_CS
FLD_RESET
FLD_SDATA
FLD_SCK
FLD_CS
FLD_SDATA
FLD_SCK
FLD_CS
FLASH_TXD
PWRDWN
CONFIG
L_MUTE
PROTECT
CH_SEL3
CH_SEL2
CH_SEL1
CH_SEL2
CH_SEL1
PWR_KEY
DOOR_CL
DOOR_OP
DOOR_M+
DOOR_MÐ
DOOR_OP
DOOR_M+
DOOR_MÐ
DOOR_SPD
KEY1
KEY2
DOOR_PROT
VOL_JOG
LED
HP_MUTE
KEY2
DOOR_PROT
VOL_JOG
LED
HP_MUTE
FAN_LOCK
PWR_KEY
PWR_KEY
CONFIG
AD_3.3V
AD_3.3V
DSP_SCDOUT
HP_SW
FLD_+VCC
DOOR_SPED
H.P_SW
DIR_SDA
FLASH BUSY
DOOR_MÐ
CH SEL2
DIR_INT0
DSP_SCCLK
DSP_ABOOT
CONFIG
VSS
DSP_UC15
RX_IN
DSP_RESET
FLASH_CE
CH SEL1
VIDEO_MUTE
DVD
_CS
DSP_SCDOUT
DOOR_CL
ROM
DVD_AMUTE
DVD_PROT
CH SEL3
VOL_STB
DSP_SCDIN
XOUT
VOL_CLK
FUNC_DVD
DIR_SCL
A/D
RESET
FLASH TXD
VCC
MAIN
RELAY
DOOR_M+
IND_TIMER
FAN_LOCK
VCC
FLASH SCLK
VOL_DATA
XIN
DSP_US17
FUNC_DIG
DSP_CS
DOOR_OP
FLASH RXD
RESET
SYS_STOP
DSP_UC16
VSS
RXD_CNT-IN
L_MUTE
TRI_STATE
PWRDWN
NON_PCM
L_MUTE
VOL_DATA
COL_STB
VOL_CLK
VOL_CLK
SP
_RELAY
POWER
KEY
CNP408
TO
DSP
SECTION
CNP407
TO
DSP
SECTION
CNP406
TO
DSP
SECTION
1
2
3
4
5
6
7
8
9
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
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
29
30
31
32
33
34
35
RESET
CNP004
CNP005
IC003
Q007
IC002
CNP003
NON_PCM
X001
Figure 4-5 BLOCK DIAGRAM (5/15)
SD-PX15H
4 – 6
L003
L005
M66005AF
FL DRIVER
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
1
2
3
4
5
6
2
3
4
5
6
U-COM_VCC
A_-VCC
A_+VCC
D_+VCC
RELAY_GND
RELAY_VCC
FL DISPLAY
1
3
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
50
52
53
55
58
59
2
4 5 6 7 8
31
32
48
49
51
56
57
54
FLD_+VCC
FAN_LOCK
KEY1
KEY2
DOOR_PROT
VOL_JOG
LED
HP_MUTE
DOOR_CL
DOOR_OP
DOOR_M+
DOOR_M-
PWR_KEY
TUN_DO
TUN_CL
TUN_DI
TUN_CE
TUN_SM
FLD_RESET
FLD_SDATA
FLD_SCK
FLD_CS
XREF42
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
11
12
13
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
11
12
13
G4
G10
P33
G15
FLD_SDATA
P34
P36
G2
P28
G9
P30
P35
G12
G5
G11
G8
G1
G3
G13
P29
FLD_SCK
G6
FLD_CS
P31
G14
P32
G7
FLD_RESET
+B_CHECK
MAIN_RLY
FUNC_DVD
PROTECT
FUNC_DVD
PROTECT
DVD_PROT
LIMIT
LIMIT
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
P27
P28
P29
P30
P31
P32
P33
P34
P35
P36
G7
G6
G5
G4
G3
G2
G1
+B_CHECK
MAIN_RLY
FUNC_DVD
DVD_PROT
LIMIT
PROTECT
P27
P26
P25
P24
P23
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
D_+VCC
FL_VP
FL_FIL+
FL_FILÐ
A_+VCC
FL_FILÐ
A_+VCC
U-COM_VCC
RELAY_VCC
A_-VCC
CNP905
FROM
POWER
S
ECTION
CNS901B
FROM
POWER
S
ECTION
49 48 50 46 47 32
62 61 31 63 30 65 64 60 59 34 35
1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 17 19 20 21 22 23
CNP007
BI006
CNS905
IC005
IC004
D006
Q008
D007
ZD034
Figure 4-6 BLOCK DIAGRAM (6/15)
SD-PX15H
4 – 7
L010
L011
NJM4565M
1
4
7 8
5
13
12
3
8
2
3
TA7291S
LOADING MOTOR
DRIVER
1
2
3
5
6
7
8
9
PLAY
SKIP
DOWN
SKIP
UP
HP_L
HP_R
Posistor
EJECT
FUNCTION
POWER
(BAND)
TUNER
DVD DOOR
MOTOR
C_P
W_P
TUN_L
TUN_R
3
33
34
35
36
7
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
STOP
FL_P
C_P
W_P
XOUT
VDDA
T2
MPXIN
XIN
14
VDD
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
11
FRONTR
FRONTL
AD_3.3V
FL_P
LED
VOL_JOG
DOOR_CL
DOOR_OP
HP_MUTE
FM_STB
FAN_LOCK
TUN_DO
TUN_CE
TUN_DI
TUN_CL
TUN_DI
TUN_CL
TUN_L
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
KEY1
KEY2
PWR_KEY
KEY2
PWR_KEY
G15
G14
G13
G12
G11
G10
G9
G8
G7
G6
G5
G4
G3
G2
G1
DOOR_M+
DOOR_MÐ
TUN_R
TUN_SM
DOOR_PROT
OPEN
CLOSE
FAN
MOTOR
OPE
AMP.
VOLUME
OPEN/CLOSE
TO
TUNER
UNIT
55 56 57
24 25
38
37
36
40
63
39
58
CNP013
D007
D011
Q015
Q018
Q019
SW003
LED002
SW004
SW006
SW005
SW002
SW007
SW001
SW008
SW009
SW010
M001
M002
TH001
Q012
D010
D009
D008
D012
Q016
Q017
Q014
Q009
X002
4.332 MHz
Q013
IC007
Q011
IC008
IC006
LC72720Y
RDS DECODER
Figure 4-7 BLOCK DIAGRAM (7/15)
SD-PX15H
4 – 8
NJM4558M
2
3
4
6
7
8
NJM4558M
1
2
4
6
7
8
WOOFER_S
SW_MUTE
C_MUTE
F_MUTE
SR_MUTE
WOF
LIMIT
FR_L
SUR_L
SUR_R
CENT
SUR_R
CENT
PROTECT
FR_R
AD_3.3V
NJM4558M
1
2
4
6
7
8
Q038
SR_MUTE
F_MUTE
LIMIT
PROTECT
PROTECT
C_MUTE
SW_MUTE
PROTECT
LIMIT
CENTER
FRONT
R
SURROUND
L
WOOFER
FRONT
L
SURROUND
R
46
32
33
53
52
51
54
58
27
26
29
28
25
63
24
MOTOR
DRIVER
MOTOR
DRIVER
MOTOR
DRIVER
Q021
D019
Q020
D018
Q029
Q027
Q029
Q036
D023
Q035
ZD018
Q034
D022
ZD025
Q043
Q041
Q042
Q032
Q033
ZD023
ZD0
ZD024
ZD0
Q039
Q031
ZD0
ZD021
ZD022
ZD0
Q040
Q030
ZD019
ZD0
ZD020
ZD0
Q037
D013
Q052
Q053
ZD006
IC009
ZD007
D014
D015
D016
IC010
Q054
Q055
ZD004
ZD008
IC011
D017
Q056
ZD005
Figure 4-8 BLOCK DIAGRAM (8/15)
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