Sharp XL-HF401PH (serv.man5) Service Manual ▷ View online
XL-HF401PH
6 – 1
CHAPTER 6. CIRCUIT DESCRIPTION
[1] Waveform Of Servo Circuit
102
IC1
1
FDO
101
IC1
2
TDO
Figure 1
102
IC1
1
FDO
98
IC1
3
SPDO
118
IC1
7
RFOUT
Figure 2
102
IC1
1
FDO
63
IC1
4
TE
Figure 3
126
IC1
5
PLLF
127
IC1
6
PLLFO
102
IC1
1
FDO
Figure 4
6
e
r
u
g
i
F
5
e
r
u
g
i
F
63
IC1
4
TE
118
IC1
7
RFOUT
XL-HF401PH
6 – 2
[2] Voltage
Pin No. Voltage (V) Pin No. Voltage (V)
1
12.190
23
12.140
2
3.202
24
22.710
3
-0.003
25
0.002
4
-0.003
26
22.440
5
3.188
27
22.440
6
0.027
28
11.500
7
0.017
29
-0.003
8
0.027
30
-0.003
9
1.150
31
0.680
10
-0.003
32
22.430
11
-0.002
33
22.720
12
3.240
34
22.710
13
-0.002
35
22.440
14
-0.002
36
11.510
15
-0.002
37
-0.002
16
0.027
38
-0.002
17
0.041
39
11.500
18
0.013
40
22.440
19
-0.003
41
22.430
20
-0.003
42
-0.002
21
12.210
43
22.260
22
12.190
44
12.150
IC 303
Pin No. Voltage (V) Pin No. Voltage (V) Pin No. Voltage (V)
1
1.820
23
0.012
45
-
2
0.094
24
3.260
46
-
3
1.820
25
3.260
47
-
4
0.091
26
1.660
48
1.880
5
0.070
27
1.670
49
1.600
6
0.070
28
0.012
50
1.600
7
1.910
29
0.012
51
1.600
8
0.070
30
0.004
52
1.600
9
3.240
31
1.510
53
0.012
10
1.290
32
0.023
54
3.190
11
3.900
33
1.830
55
-
12
0.112
34
0.012
56
-
13
3.190
35
0.012
57
-
14
3.190
36
3.120
58
-
15
3.150
37
3.180
59
3.610
16
0.012
38
0.012
60
3.610
17
1.870
39
3.190
61
3.610
18
0.025
40
1.600
62
3.610
19
0.700
41
1.600
63
1.580
20
0.870
42
1.600
64
0.061
21
0.012
43
1.600
22
0.012
44
-
IC 304
Pin No. Voltage (V)
1
6.570
2
6.120
3
6.050
4
0.000
5
0.830
6
0.890
7
1.520
8
12.200
IC 302
Pin No. Voltage (V)
1
5.080
2
4.370
3
4.400
4
0.000
5
4.410
6
4.400
7
5.080
8
11.190
IC 305
Pin No. Voltage (V) Pin No. Voltage (V)
1
3.180
9
1.597
2
1.631
10
1.612
3
1.677
11
1.448
4
1.639
12
0.004
5
1.670
13
0.008
6
1.683
14
0.005
7
1.667
15
0.004
8
-0.115
16
3.338
IC 11
Pin No. Voltage (V) Pin No. Voltage (V)
1
0.047
9
12.190
2
0.028
10
12.190
3
0.000
11
0.000
4
0.000
12
0.012
5
0.064
13
0.000
6
0.000
14
-0.123
7
0.000
15
1.000
8
0.000
16
12.210
IC 301
Pin No. Voltage (V) Pin No. Voltage (V)
1
2.560
8
0.140
2
0.000
9
1.120
3
5.100
10
0.007
4
3.260
11
0.007
5
0.000
12
0.007
6
0.076
13
2.540
7
0.142
14
2.550
IC 300
Pin No. Voltage (V)
1
0.000
2
5.220
3
-0.360
4
3.169
5
3.245
6
3.246
7
0.382
8
4.100
9
5.230
10
3.246
IC 8
Pin No. Voltage (V)
1
1.164
2
0.961
3
2.085
4
2.777
5
0.000
6
3.167
7
0.000
8
0.000
9
0.007
10
3.317
IC 6
Pin No. Voltage (V) Pin No. Voltage (V)
1
0.437
15
1.444
2
4.400
16
1.444
3
2.006
17
1.316
4
0.422
18
1.542
5
1.245
19
5.090
6
2.998
20
2.046
7
0.008
21
3.021
8
5.100
22
0.001
9
4.210
23
0.426
10
4.230
24
5.060
11
1.538
25
5.070
12
1.540
26
0.429
13
1.443
27
0.425
14
1.444
28
5.090
IC 12
Pin No. Voltage (V) Pin No. Voltage (V) Pin No. Voltage (V) Pin No. Voltage (V) Pin No. Voltage (V) Pin No. Voltage (V) Pin No. Voltage (V) Pin No. Voltage (V)
1
1.671
17
0.047
33
1.630
49
0.670
65
0.010
81
1.220
97
0.003
113
3.330
2
0.003
18
0.003
34
1.670
50
0.670
66
0.010
82
3.330
98
1.660
114
0.001
3
1.669
19
0.000
35
0.004
51
0.003
67
0.011
83
1.300
99
1.660
115
3.340
4
3.336
20
3.330
36
0.004
52
0.003
68
2.640
84
3.190
100
1.210
116
1.780
5
1.670
21
0.001
37
0.004
53
0.690
69
3.330
85
3.190
101
1.660
117
1.640
6
0.003
22
0.000
38
0.004
54
1.790
70
0.010
86
1.410
102
1.660
118
1.640
7
0.003
23
1.570
39
0.349
55
0.680
71
3.330
87
1.380
103
1.660
119
1.330
8
0.003
24
1.590
40
3.100
56
0.660
72
1.410
88
1.360
104
1.650
120
1.160
9
1.560
25
3.330
41
3.330
57
1.210
73
1.410
89
1.380
105
1.660
121
1.170
10
1.590
26
1.540
42
0.003
58
3.330
74
3.330
90
1.400
106
1.660
122
1.670
11
3.330
27
-0.123
43
1.210
59
3.330
75
3.330
91
1.410
107
1.320
123
1.670
12
3.330
28
1.550
44
3.330
60
3.380
76
3.330
92
1.390
108
1.310
124
1.670
13
1.200
29
1.550
45
3.330
61
0.007
77
3.330
93
1.390
109
1.320
125
1.140
14
3.330
30
0.003
46
3.330
62
0.008
78
0.003
94
1.210
110
1.330
126
1.140
15
1.200
31
0.003
47
3.330
63
3.200
79
1.220
95
3.310
111
1.320
127
1.140
16
0.003
32
1.210
48
0.670
64
3.200
80
1.220
96
3.330
112
1.330
128
0.252
IC 1
XL-HF401PH
6 – 3
Pin No. Voltage (V) Pin No. Voltage (V) Pin No. Voltage (V) Pin No. Voltage (V)
1
5.780
17
7.770
33
1.780
49
0.003
2
7.710
18
0.096
34
1.770
50
1.025
3
1.930
19
5.740
35
1.770
51
0.003
4
1.930
20
9.620
36
1.760
52
-
5
0.004
21
5.840
37
0.053
53
-
6
0.006
22
1.920
38
0.062
54
-
7
3.850
23
0.119
39
1.775
55
-
8
5.700
24
0.129
40
1.820
56
3.260
9
3.860
25
0.146
41
0.111
57
-
10
3.840
26
1.930
42
1.710
58
-
11
0.078
27
0.097
43
1.770
59
-
12
5.800
28
0.003
44
0.193
60
1.920
13
3.850
29
-0.058
45
1.770
61
7.700
14
5.830
30
0.035
46
1.720
62
7.720
15
-0.033
31
1.920
47
0.092
63
3.850
16
0.029
32
1.880
48
32.520
64
7.620
IC 700
Pin No. Voltage (V)
B
5.080
C
3.340
E
4.390
Q3
Pin No. Voltage (V)
B
0.007
C
0.384
E
0.000
Q8
Pin No. Voltage (V)
1
5.110
2
0.023
3
5.080
4
3.315
5
0.041
IC 805
Pin No. Voltage (V)
1
15.380
2
15.150
3
12.350
4
0.000
5
0.000
6
1.230
7
1.940
8
3.600
9
0.000
IC 801
Pin No. Voltage (V)
1
8.910
2
15.150
3
3.960
4
0.000
5
0.784
6
0.950
7
3.200
8
3.550
9
0.000
IC 802
Pin No. Voltage (V)
1
15.150
2
0.000
3
0.757
4
0.000
5
0.366
6
15.100
7
15.110
8
14.990
IC 804
Pin No. Voltage (V)
1
3.174
2
3.175
3
0.322
4
0.003
IC 501
Pin No. Voltage (V)
1
9.980
2
0.065
3
0.335
4
0.000
5
0.802
6
1.025
7
1.960
8
3.620
9
0.000
IC 803
Pin No. Voltage (V) Pin No. Voltage (V) Pin No. Voltage (V) Pin No. Voltage (V)
1
1.240
21
3.260
41
3.240
61
0.008
2
1.190
22
3.250
42
3.110
62
0.008
3
0.116
23
0.017
43
0.006
63
0.008
4
3.190
24
1.157
44
3.190
64
3.190
5
1.200
25
1.220
45
3.190
65
1.200
6
-0.066
26
3.190
46
3.160
66
0.000
7
1.370
27
3.190
47
0.006
67
3.170
8
3.190
28
3.190
48
3.260
68
0.003
9
3.190
29
0.005
49
0.019
69
3.190
10
3.160
30
3.180
50
0.230
70
3.190
11
-0.051
31
3.190
51
1.110
71
3.190
12
0.250
32
3.190
52
0.026
72
0.005
13
1.380
33
0.005
53
3.150
73
3.190
14
0.003
34
3.190
54
3.150
74
3.350
15
0.003
35
1.440
55
2.830
75
3.190
16
2.110
36
1.440
56
3.190
76
3.190
17
0.003
37
1.330
57
-0.141
77
0.005
18
0.003
38
1.330
58
3.210
78
1.150
19
3.190
39
0.135
59
3.260
79
1.060
20
3.190
40
3.160
60
3.260
80
1.160
IC 500
XL-HF401PH
7 – 1
CHAPTER 7. DIAGRAM
[1] Block Diagram
Figure 7-1: BLOCK DIAGRAM
Input
H-Bridge 1
H-Bridge 1
Output
H-Bridge 1
H-Bridge 1
Input
H-Bridge 2
H-Bridge 2
Output
H-Bridge 2
H-Bridge 2
2-Channel
H-Bridge
BTL Mode
H-Bridge
BTL Mode
FL_DA
TA
FL_CS
FL_SCK
FL_RESET
㧲㧸
_POWERޓON/OFF
SYS_PROTECT
AC RELAY
HP_SW
BU3.3V
VFD_DA
VFD_CP
VFD_RESET
VFD_CS
KEY_
HP_MUTE
AMP_SD
AMP_OTW
TUN_RST
TUN_SCL
TUN_SDA
HP_MUTE
RX_IN
TIMER
LPF
L 22uH
C 0.47uF
TUN_RST
TUN_SCL
TUN_SDA
LPF
L 22uH
C 0.47uF
MUTE
BU3.3V
D_3.3V
KEY_
KEY_2
TIMER
JOG
X501
32.768KHz
5V
5V
GND_5V
GND_5V
UNSW_3.9V
UVSW_GND
POWER
15V
15V
GND_15V
22V
22V
D_GND(22V)
D_GND(22V)
22V
KEY
EEP_SDA
EEP_SCL
EEP_WP
SPARE
JK701
HEADPHONE
MA036AW
MA036AW
JK200
A030AW
IC700
FL700
FL DISPLAY
D_3.3V
VOL_A
VOL_B
JOG
RX_IN
RX_IN
BU3.3V
LED700
(RED)
REMOTE
CONTROL
VOLUME
SLR343VC
TIMER
KEY_1
BU3.3V
CNP200
iPod Socket
A+12V
A+12V
FFC
D+3.3V
X1
16.9344MHz
A+12V
JK700
IC303
TAS5342LA
KEY_
13.5MH
PWM_HPML
PWM_HPPL
PWM_HPMR
PWM_HPPR
MO_B+
MO_B-
MO_A+
MO_A-
D_SEL_OE
D_SEL_S
D_SEL_OE
D_SEL_S
JOG
Bi9 (5P)
CNP201 (7P)
BI7 (6P)
SYS_ST
OP
RESET
IC304
DAP
TAS5504
IC1
RH-1XA337AW00Q
X2
12MHz
MCLK
BCLK
LRCK
SRDATA
CD_MREQ
CD_SREQ
CD_RST
CD_SCLK
CD_S0
CD_S1
R+
R-
PWM_P_2
PWM_M_2
PWM_P_1
PWM_M_1
PWM_P_4 PWM_M_4
12V
4V
VF+
5V
VH
31V
SW_3.3V
UNSW_3.9V
MUTE
CD_MREQ
CD_SREQ
CD_RST
CD_SCLK
CD_S0
CD_S1
IC12
SA5888TR
MO_B+
MO_B-
MO_A+
MO_A-
M
M
SPINDLE MOTOR
SLED MOTOR
5V
MCLK
BCLK
LRCK
SRDA
TA
PWM_HPML
PWM_HPPL
PWM_HPMR
PWM_HPPR
SP+
SP-
SL+
SL-
L+
L-
SCL
SDA
IC11
TC74VHC157
(Not Serviceable Item)
BI302 (2P)
SDA
SCL
HSAP
RST
HSAP
TxD
HSAP
RxD
HSAP RST
HSAP TxD
HSAP RxD
SRDATA
BCLK
LRCK
MCLK
IC300
PCM1808
SPEAKER OUTPUT
TERMINAL
SO300
SUBWOOFER
PRE-OUT
JK300
SMPS PWB
(Not Serviceable Item)
DISPLAY PWB
USB PWB
USB IN
AUDIO IN
(ANALOG)
(ANALOG)
KEY & JACK PWB
iPod PWB
VIDEO OUT
LINE IN
JK301
TUNER UNIT
(FM ANTENNA)
TUN301
IC301
A-input
Selector
CD4052
FFC
FFC
AUD_LCH
AUD_RCH
AUD_RCH
AZ4558
AZ4558
IC501
CNP503 (15P)
VR701
HT165235
SW701
SW702
FUNCTION
SW703
PLAY/PAUSE
SW704
STOP
SW705
OPEN/CLOSE
SW706
REVERSE
SW707
FORWARD
WTM700B
WTM700A
(3P)
(3P)
BI702 (8P)
CNP301 (7P)
BI201 (5P)
CNP5 (4P)
Bi801 (4P)
CON2 (14P)
Bi800 (4P)
HP SEL
HP SEL
IC500
MAIN_MICOM
RH-IXA336AW00Q
MAIN_MICOM
RH-IXA336AW00Q
IC6
TS3USB++
IC804
MC33063
IC803
MP2303A
IC806
3464A40N
IC801
MP2303A
3.9V
5V
5V
Bi300(5P)
22V
15V
CNS800 (14P)
MAIN PWB
㧲㧸
_POWERޓON/OFF
SYS_PROTECT
AC RELAY
USBDM
USBDP
TUN_L
TUN_R
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