DOWNLOAD Sharp HT-SL50 (serv.man3) Service Manual ↓ Size: 3.51 MB | Pages: 32 in PDF or view online for FREE

Model
HT-SL50 (serv.man3)
Pages
32
Size
3.51 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / Home Theatre
File
ht-sl50-sm3.pdf
Date
PREV: Sharp HT-SL50 (serv.man2) User Manual / Operation Manual

Sharp HT-SL50 (serv.man3) Service Manual ▷ View online

HT-SL50
4 – 1
CHAPTER 4. CIRCUIT DESCRIPTION
[1] Voltage
1
10.500m
1
73.000m
1
1.490
1
220.000m
2
-0.000m
2
140.000m
2
1.440
2
-343.000m
3
0.405
3
154.000m
3
1.430
3
226.000m
4
2.400m
4
3.010
4
0.000m
4
139.000m
5
0.200m
5
0.000m
5
1.490
5
22.000m
6
93.900m
6
3.000
6
1.490
7
80.200m
7
3.011
7
1.490
8
76.000m
8
3.027
8
2.990
9
-45.200m
9
1.208
10
-104.200m
10
0.000m
11
302.000m
11
0.400m
12
66.200m
12
3.005
13
-151.200m
13
2.270
1
-210.000m
33
-112.000m
14
48.000m
14
2.280
2
-255.000m
34
49.300m
15
-0.100m
3
-248.000m
35
-60.000m
16
87.800m
4
-225.000m
36
-142.000m
17
76.700m
5
-359.000m
37
242.000m
18
92.000m
6
-166.000m
38
296.000m
1
170.000m
19
3.027
7
-115.000m
39
175.000m
2
169.000m
20
3.030
8
-145.000m
40
136.000m
3
271.000m
21
0.000m
9
169.000m
41
235.000m
4
39.500m
22
0.000m
10
-266.000m
42
111.200m
5
31.400m
23
0.000m
11
-266.000m
43
201.000m
6
153.800m
24
2.393
12
-134.000m
44
-317.000m
7
52.100m
25
0.000m
13
-107.000m
45
152.000m
8
56.300m
26
3.687
14
-138.000m
46
-117.000m
9
61.200m
27
2.052
15
-324.000m
47
-183.000m
10
78.200m
28
0.000m
16
94.000m
48
-332.000m
11
78.900m
29
3.023
17
-260.000m
49
-52.000m
12
3.300m
30
0.000m
18
-179.000m
50
-97.000m
13
3.300m
31
3.026
19
-210.000m
51
-152.000m
14
0.200m
32
0.412
20
-129.000m
52
-268.000m
m
0
0
0
.
2
3
1
-
3
5
m
0
0
0
.
0
2
1
1
2
m
0
0
0
.
4
2
1
-
5
1
m
0
0
9
.
8
7
-
4
5
m
0
0
0
.
8
5
1
-
2
2
m
0
0
0
.
8
2
6
1
m
0
0
0
.
3
1
2
-
5
5
m
0
0
0
.
1
3
1
-
3
2
m
0
0
0
.
2
2
1
-
7
1
m
0
0
0
.
0
8
2
-
6
5
m
0
0
0
.
9
0
3
-
4
2
m
0
0
0
.
3
8
1
-
8
1
19
368.000m
1
220.000m
25
53.000m
57
-208.000m
20
-205.000m
2
-343.000m
26
-241.000m
58
-262.000m
21
-125.000m
3
226.000m
27
-179.000m
59
-221.000m
22
-230.000m
4
139.000m
28
-221.000m
60
-160.000m
23
13.550m
5
22.000m
29
-181.000m
61
-380.000m
m
0
0
0
.
8
2
1
-
2
6
m
0
0
0
.
8
5
1
-
0
3
m
0
0
0
.
3
9
1
-
4
2
m
0
0
0
.
2
3
1
-
3
6
m
0
0
0
.
2
1
3
-
1
3
m
0
0
0
.
8
2
5
2
m
0
0
0
.
3
3
1
-
4
6
m
0
0
0
.
8
1
2
-
2
3
m
0
0
8
.
0
6
2
27
-388.000m
28
-135.000m
1
177.000m
2
0.590
3
-412.000m
4
0.400m
5
-97.000m
1
3.000
6
0.590
2
404.300m
7
-358.000m
3
-0.200m
8
-88.900m
4
4.300m
5
26.000m
IC501
IC502
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
VOLTAGE
(V)
IC301
PIN
NO
CN500
PIN
NO
VOLTAGE
(V)
IC802
IC800
PIN
NO
VOLTAGE
(V)
VOLTAGE
(V)
IC601
CN500
PIN
NO
VOLTAGE
(V)
IC302
PIN
NO
VOLTAGE
(V)
PIN
NO
1. Main PWB
HT-SL50
4 – 2
1
0.460
12
0.610
23
0.450
34
260.000m
2
2.270
13
0.610
24
265.000m
35
376.000m
3
0.000m
14
0.000m
25
0.000m
36
32.200m
4
0.000m
15
0.000m
26
242.000m
37
0.000m
5
2.280
16
0.000m
27
333.000m
38
0.000m
6
0.100m
17
38.800m
28
187.000m
39
175.000m
7
37.600m
18
0.000m
29
0.000m
40
375.000m
8
0.100m
19
3.314
30
0.000m
41
286.000m
9
0.000m
20
3.024
31
188.000m
42
0.000m
10
0.000m
21
3.206
32
375.000m
43
247.000m
11
0.610
22
3.500m
33
355.000m
44
0.450m
2. HDMI PWB
3
C
I
2
C
I
PIN VOLTAGE 
PIN VOLTAGE 
PIN VOLTAGE 
1
-049.300m
1
-3.410
13
-0.000m
2
-48.200m
2
-3.360
14
-0.000m
3
-2.883
3
-4.520
15
-0.000m
4
-0.000m
4
-3.020
16
-3.020m
5
-2.895
5
-3.019
17
-0.000m
6
-0.100m
6
-3.000
18
-114.000m
7
-1.960
7
-4.900m
19
-1.474
8
-3.005
8
-3.037
20
-3.025
9
-0.300m
9
-2.000m
21
-0.100m
10
-3.005
10
-3.017
22
-3.870
11
-3.006
11
-3.000
23
-0.000m
12
-2.900m
12
-2.990
24
-0.000m
13
-0.100m
14
-50.200m
1
-3.018
17
-0.000m
33
-3.011
49
-0.300m
2
-2.935
18
-0.777
34
-3.012
50
-152.300m
3
-2.935
19
-1.500m
35
-1.400m
51
-142.000m
4
-2.141
20
-78.600m
36
-1.400m
52
-0.100m
5
-2.166
21
-1.500m
37
-123.300m
53
-3.020m
6
-0.417
22
-1.300m
38
-43.000m
54
-50.300m
7
-0.493
23
-22.500m
39
-3.021
55
-50.200m
8
-305.500m
24
-1.400m
40
-0.000m
56
-0.100m
9
-0.000m
25
-86.000m
41
-152.000m
57
-0.100m
10
-225.800m
26
-1.400m
42
-1.140
58
-3.023
11
-0.400m
27
-0.300m
43
-0.000m
59
-3.023
12
-3.020
28
-50.200m
44
-0.500m
60
-0.900m
13
-0.300m
29
-118.800m
45
-1.300m
61
-0.100m
14
-132.00m
30
-123.900m
46
-233.000m
62
-3.180
15
-1.300m
31
-2.000m
47
-102.100m
63
-2.113
16
-0.900m
32
-3.018
48
-3.005
64
-3.025
PIN
NO
VOLTAGE
(V)
NO
(V)
NO
(V)
NO
(V)
PIN
NO
VOLTAGE
(V)
IC901
PIN
NO
VOLTAGE
(V)
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
IC4
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
PIN
NO
VOLTAGE
(V)
PIN
NO
HT-SL50
4 – 3
1
-2.920
17
-3.022
33
-0.100m
49
-1.223
2
-0.000m
18
-0.100m
34
-0.849
50
-200.000m
3
-0.900m
19
-3.021
35
-2.194
51
-0.100m
4
-0.000m
20
-3.023
36
-0.100m
52
-0.200m
5
69.400m
21
-0.000m
37
-0.752
53
-0.300m
6
-353.000m
22
-0.000m
38
-0.818
54
-3.900m
7
-0.750
23
-0.000m
39
-0.632
55
-0.000m
8
-1.230
24
-0.000m
40
-0.758
56
-0.300m
9
-2.990
25
-0.000m
41
-10.440m
57
-0.700m
10
-0.000m
26
-0.000m
42
-0.709
58
-0.500m
11
-127.000
27
-0.000m
43
-322.000
59
-1.100m
12
-130.00m
28
-0.000m
44
-0.100m
60
-0.000m
13
-0.100m
29
-0.000m
45
-3.035
61
-2.249
14
-0.930
30
-0.000m
46
-0.100m
62
-58.700m
15
-2.998
31
-0.100m
47
-3.024
63
-0.100m
16
-0.000m
32
-135.000m
48
-1.175
64
-2.165
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
IC5
PIN
NO
VOLTAGE
(V)
VOLTAGE
(V)
PIN
NO
HT-SL50
5 – 1
CHAPTER 5. DIAGRAMS
[1] Block Diagram
Figure 5-1: BLOCK DIAGRAM
SPDIF Output
HDMI RST
HDMI INT
SDA
SCL
TO/FROM MICOM
+3.3V UNSW
+1.8V
J3
HDMI IN
J7
HDMI OUT
HDMI PWB
TO MAIN PWB
HDMI OUT/ARC
ARC transceiver
EP91H0
5
C
I
K
1
A
1
9
P
E
C
I 3
C
1
1
0
F
P
E
 
I2C
I2C
I2C from
host MCU
AMP OTW
AMP SD
X601
13.5MHz
IC601
PWM IC
TAS5504A
XTL_OUT
XTL_IN
S
DA
S
DIN2
VALID
DAP
RE
S
DAP_PWDN
DAP_MUTE
S
CL
PWM_P4
PWM_M4
PWM_P1
PWM_P2
DVDD_PWM
ADC IC
PCM1808
VINR
VINL
 VCC
VD
 SCKI
 LRCK
 BCK
 DOUT
MCLK
LRCLK
SCLK
SDIN1
IC501
MICOM IC
R5F21265SNFP
 VCC
LEVEL DETECT
+3.3V
BICOLOR LED
LED_RD
CN700
LED
G
R
FROM SUBWOOFER BOX
TO MICOM
FROM MICOM
FROM MICOM
FROM
MICOM
S
CL
DC RELAY
S
DA
+5V
IC802
HDMI CE2(1.8V)
MM3421JTRE
+1.8V
+3.3V
+3.3V
+3.3V UN
S
W
KEY
RE
S
ET
MODE
UN
S
W 3.3V
MICOM FLASH
CN500
+5V
+5V
IC800
5V REGULATOR
BD9329EF
+12V
+12V
IC901            STA5342L
+12V
+28.4V
UN_
S
W 3.9V
SMPS
UN_SW 3.9V
+5V
IC502
OP-AMP
(LEVEL DETECT)
+3.3V UNSW
INPUT
SIGNAL
TO MICOM IC
LEVEL DETECT
TO HDMI
+3.3V
TO HDMI
D
NJR12094
VALID
IC803
1117Y33
OTW
Internal Pullup
Resistors to VREG
Protection
and
I/O Logic
SD
M1
M2
RESET_AB
RESET_CD
PWM_D
PWM_C
PWM_B
PWM_A
PWM
Rcv.
M3
Under-
voltage
Protection
Power
On
Reset
Temp.
Sense
VREG
4
4
Overload
Protection
Ctrl.
Timing
PWM
Rcv.
Ctrl.
Timing
Gate
Drive
BTL/PBTL-Configuration
Pulldown Resistor
Gate
Drive
VDD
VREG
AGND
GND
OC_ADJ
GVDD_D
BST_D
PVDD_D
OUT_D
GND_D
GND_C
GVDD_C
GVDD_B
BST_C
BST_B
OUT_B
PVDD_C
PVDD_B
GND_B
GND_A
GVDD_A
BST_A
OUT_A
PVDD_A
OUT_C
sense
BTL/PBTL-Configuration
Pulldown Resistor
PWM
Rcv.
Ctrl.
Timing
Gate
Drive
BTL/PBTL-Configuration
Pulldown Resistor
BTL/PBTL-Configuration
Pulldown Resistor
PWM
Rcv.
Ctrl.
Timing
Gate
Drive
AUDIO IN
JK601
M0004AW
IC302
DIR IC
DIR9001PW
SCKO
DIR AUDIO
DIR FSOUT0
DIR FSOUT1
DIR RST
DIR ERROR
LRCKO
BCKO
 DOUT
C
V/
D
D
V
WI
X
R
CKSEL
X301
12.288MHz
XTO
XTI
Y3 (18.432MHZ)
Y2 (24MHZ)
IC4
Sub-MCU/EPF021A
J20
S/PDIF
S/PDIF MUX
+12V
+12V
+12V
+12V
+28.4V
CNP301
sw-
sw+
R+
L+
R-
L-
S0901
TO 
S
PEAKER
TO 
S
UBWOOFER
12
+28.4V
+28.4V
+28.4V
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