DOWNLOAD Sharp LC-37GA5E (serv.man17) Service Manual ↓ Size: 231.69 KB | Pages: 27 in PDF or view online for FREE

Model
LC-37GA5E (serv.man17)
Pages
27
Size
231.69 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD / Major IC Information
File
lc-37ga5e-sm17.pdf
Date
PREV: Sharp LC-37GA5E (serv.man16) Service Manual

Sharp LC-37GA5E (serv.man17) Service Manual ▷ View online

77
 LC-26GA5E
 LC-32GA5E
    LC-37GA5E
MAJOR ICs INFORMATION
1. IC1001 (RH-IXB058WJZZ)
1.1. VCT Block Diagram IC6004
1.2. Pinning IC6004
VCT 49xyI, VCT 48xyI    XM
VIN9
VIN8
VIN10
VIN7
VIN6
VIN3
VIN2
VIN1
VOUT1
VOUT2
VOUT3
VSUP1.8FE
GND
VIN5
VIN4
GND
VSUP3.3FE
XROMQ
P10
P11
P12
P13
P14
P15
P16
P20
P17
SDA
DFVBL / FIELD
PWMV
P21
SCL
EXTIFQ
VIN11
P37 / 656IO7
P36 / 656IO6
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
66
65
67
68
69
70
71
72
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
133
134
135
136
137
138
139
140
141
142
143
144
132
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
10
1
102
103
104
105
106
107
108
GIN
RIN
FBIN
GNDM
BIN
SVMOUT
RSW2
EW
VERT-
VERT+
RSW1
SENSE
VSUP5.0BE
TEST / SUBW
GND
GND
VREFAU
VSUP8.0AU
SPEAKERR
SPEAKERL
AOUT1L
AOUT1R
AOUT2L
AOUT2R
AIN3R
AIN3L
AIN2L
AIN2R
AIN1L
AIN1R / SIF
TAGC
VREFIF
IFIN-
IFIN+
ROUT
GOUT
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
BOUT
VR
D
XREF
VSUP
3.
3BE
GN
D
GN
D
VS
UP3.3I
O
VS
UP3.
3DA
C
GNDDA
C
SAFET
Y
HFLB
HOUT
VPROT
ADB1
1
ADB9
ADB1
3
ADB1
4
ADB1
8
ADB1
6
ADB1
5
PS
WE
Q
ADB1
7
STO
P
Q
ENE
Q
ADB1
2
ADB7
RSTQ
ADB5
ADB4
ADB1
9
RDQ
WR
Q
OCF
ALE
ADB6
ADB8
VSU
P5.
0
F
E
P25 /
 656
H
IO
P26 /
 656
VIO
P30 /
 656
IO
0
P31 /
 656
IO
1
P32 /
 656
IO
2
VSU
P3.
3EI
O
GNDEI
O
P33 /
 656
IO
3
P34 /
 656
IO
4
P35 /
 656
IO
5
RE
SETQ
VSU
P3.
3
D
IG
GND
GND
VSU
P1.
8
D
IG
XTAL
1
XTAL
2
P22
P23
PS
ENQ
ADB1
0
DB7
DB6
DB5
DB4
DB3
DB2
DB1
ADB3
ADB2
DB0
ADB0
V
S
U
P5
.0
IF
ADB1
P24 /
 656
C
L
K
IO
XTAL1
IF
Frontend
Slicer
Video
Backend
IF
Processor
Sound
Demodulator
Audio
Processor
Display
Generator
Bus
Arbiter
20kB XRAM
256kB
Prog ROM
Clock
Generator
Reset & Test
Logic
I2C Master/
Slave
24kB
Char ROM
TEST
RESETQ
XTAL2
I2C
Pxy
CVBS in
IFIN-
IFIN+
T
A
G
C
S
IF
YCbCr in
CVBS out
RGB in
A
O
U
T
S
P
E
A
K
E
R
RGB out
SVM
RGB in
SENSE
RSW
VERT
EW
HOUT
PROT
HFLB
Panorama
Scaler
Display &
Deflection
Processor
Timer
CRT
PWM
ADC
UART
Watchdog
RTC
I/O-Ports
Memory
Interface
ADB, DB, PSENQ,
PSWEQ, WRQ, RDQ
CPU
8051
A
IN
Video
Frontend
Color
Decoder
Component
Interface
Comb
Filter
656 in
656 out
S
U
B
W
78
 LC-26GA5E
 LC-32GA5E
    LC-37GA5E
1.3. Description of  Pins IC1001
NC = not connected
LV = if not used, leave vacant
OBL = obligatory; connect as described in circuit diagram
IN = Input Pin
OUT = Output Pin
SUPPLY = Supply Pin
Pin No.
Pin Name
Type
Connection
(If not used)
Short Description
PSSDIP88-1
PY
PSSDIP88-1
PZ
PMQFP144-2
XM
1
88
128
GND
SUPPLY
OBL
Ground Platform
2
87
129
VSUP5.0BE
SUPPLY
OBL
Supply Voltage Analog Video Back-end, 5.0 V
3
86
130
TEST /
SUBW
IN
OUT
GND
Test Input, reserved for Test
Subwoofer Output
4
85
131
VERT+
OUT
GND
Differential Vertical Sawtooth Output
5
84
132
VERT-
OUT
GND
Differential Vertical Sawtooth Output
6
83
133
EW
OUT
GND
Vertical Parabola Output
7
82
134
RSW2
OUT
LV
Range Switch 2 Output
8
81
135
RSW1
OUT
LV
Range Switch 1 Output
9
80
136
SENSE
IN
GND
Sense ADC Input
10
79
137
GNDM
IN
GND
Reference Ground for Sense ADC
11
78
138
FBIN
IN
GND
Fast Blank Input, Back-end
12
77
139
RIN
IN
GND
Analog Red Input, Back-end
13
76
140
GIN
IN
GND
Analog Green Input, Back-end
14
75
141
BIN
IN
GND
Analog Blue Input, Back-end
15
74
142
SVMOUT
OUT
VSUP5.0BE
Scan Velocity Modulation Output
16
73
143
ROUT
OUT
VSUP5.0BE
Analog Red Output
17
72
144
GOUT
OUT
VSUP5.0BE
Analog Green Output
18
71
1
BOUT
OUT
VSUP5.0BE
Analog Blue Output
19
70
2
VRD
OBL
Reference Voltage for RGB DACs
20
69
3
XREF
OBL
Reference Current for RGB DACs
21
68
4
VSUP3.3BE
SUPPLY
OBL
Supply Voltage Analog Video Back-end, 3.3 V
22
67
5
GND
SUPPLY
OBL
Ground Platform
23
66
6
GND
SUPPLY
OBL
Ground Platform
24
65
7
VSUP3.3IO
SUPPLY
OBL
Supply Voltage I/O Ports, 3.3 V
25
64
8
VSUP3.3DAC
SUPPLY
OBL
Supply Voltage Video DACs, 3.3 V
26
63
9
GNDDAC
SUPPLY
OBL
Ground Video DACs
27
62
10
SAFETY
IN
GND
Safety Input
79
 LC-26GA5E
 LC-32GA5E
    LC-37GA5E
1.3. Description of Pins IC1001, continued
28
61
11
HFLB
IN
HOUT
Horizontal Flyback Input
29
60
12
HOUT
OUT
LV
Horizontal Drive Output
30
59
13
VPROT
IN
GND
Vertical Protection Input
37
PWMV
OUT
LV
PWM Vertical Output
38
DFVBL
OUT
LV
Dynamic Focus Vertical Blanking Output
31
58
39
SDA
IN/OUT
OBL
I
2
C Bus Data Input/Output
32
57
40
SCL
IN/OUT
OBL
I
2
C Bus Clock Input/Output
33
56
41
P21
IN/OUT
LV
Port 2, Bit 1 Input/Output
34
55
42
P20
IN/OUT
LV
Port 2, Bit 0 Input/Output
35
54
43
P17
IN/OUT
LV
Port 1, Bit 7 Input/Output
36
53
44
P16
IN/OUT
LV
Port 1, Bit 6 Input/Output
37
52
45
P15
IN/OUT
LV
Port 1, Bit 5 Input/Output
38
51
46
P14
IN/OUT
LV
Port 1, Bit 4 Input/Output
39
50
47
P13
IN/OUT
LV
Port 1, Bit 3 Input/Output
40
49
48
P12
IN/OUT
LV
Port 1, Bit 2 Input/Output
41
48
49
P11
IN/OUT
LV
Port 1, Bit 1 Input/Output
42
47
50
P10
IN/OUT
LV
Port 1, Bit 0 Input/Output
43
46
53
VSUP3.3FE
SUPPLY
OBL
Supply Voltage Analog Video Front-end, 3.3 V
44
45
54
GND
SUPPLY
OBL
Ground Platform
45
44
55
GND
SUPPLY
OBL
Ground Platform
46
43
56
VSUP1.8FE
SUPPLY
OBL
Supply Voltage Analog Video Front-end, 1.8 V
47
42
57
VOUT3
OUT
LV
Analog Video 3 Output
48
41
58
VOUT2
OUT
LV
Analog Video 2 Output
49
40
59
VOUT1
OUT
LV
Analog Video 1 Output
50
39
60
VIN1
IN
GND
Analog Video 1 Input
51
38
61
VIN2
IN
GND
Analog Video 2 Input
52
37
62
VIN3
IN
GND
Analog Video 3 Input
53
36
63
VIN4
IN
GND
Analog Video 4 Input
54
35
64
VIN5
IN
GND
Analog Video 5 Input
55
34
65
VIN6
IN
GND
Analog Video 6 Input
56
33
66
VIN7
IN
GND
Analog Video 7 Input
57
32
67
VIN8
IN
GND
Analog Video 8 Input
58
31
68
VIN9
IN
GND
Analog Video 9 Input
Pin No.
Pin Name
Type
Connection
(If not used)
Short Description
PSSDIP88-1
PY
PSSDIP88-1
PZ
PMQFP144
-2
XM
80
 LC-26GA5E
 LC-32GA5E
    LC-37GA5E
1.3. Description of Pins IC1001, continued
59
30
69
VIN10
IN
GND
Analog Video 10 Input
60
29
70
VIN11
IN
GND
Analog Video 11 Input
61
28
98
P23
IN/OUT
LV
Port 2, Bit 3 Input/Output
62
27
99
P22
IN/OUT
LV
Port 2, Bit 2 Input/Output
63
26
100
XTAL2
OUT
OBL
Analog Crystal Output
64
25
101
XTAL1
IN
OBL
Analog Crystal Input
65
24
102
VSUP1.8DIG
SUPPLY
OBL
Supply Voltage Digital Core, 1.8 V
66
23
103
GND
SUPPLY
OBL
Ground Platform
67
22
104
GND
SUPPLY
OBL
Ground Platform
68
21
105
VSUP3.3DIG
SUPPLY
OBL
Supply Voltage Digital Core, 3.3 V
69
20
106
VSUP5.0IF
SUPPLY
OBL
Supply Voltage IF ADC, 5.0 V
70
19
107
VSUP5.0FE
SUPPLY
OBL
Supply Voltage Analog IF Front-end, 5.0 V
71
18
108
RESETQ
IN/OUT
OBL
Reset Input/Output
72
17
109
IFIN+
IN
VREF
IF
Differential IF Input
73
16
110
IFIN-
IN
VREF
IF
Differential IF Input
74
15
111
VREFIF
OBL
Reference Voltage, IF ADC
75
14
112
TAGC
OUT
LV
Tuner AGC Output
76
13
113
AIN1R /
SIF
IN/OUT
GND
Analog Audio 1 Input, Right
Analog 2nd Sound IF Output
77
12
114
AIN1L
IN
GND
Analog Audio 1 Input, Left
78
11
115
AIN2R
IN
GND
Analog Audio 2 Input, Right
79
10
116
AIN2L
IN
GND
Analog Audio 2 Input, Left
117
AIN3R
IN
GND
Analog Audio 3 Input, Right
118
AIN3L
IN
GND
Analog Audio 3 Input, Left
119
AOUT2R
OUT
LV
Analog Audio 2 Output, Right
120
AOUT2L
OUT
LV
Analog Audio 2 Output, Left
80
9
AIN3R /
AOUT2R
IN /
OUT
LV
Analog Audio 3 Input, Right
Analog Audio 2 Output, Right
81
8
AIN3L /
AOUT2L
IN /
OUT
LV
Analog Audio 3 Input, Left
Analog Audio 2 Output, Left
82
7
121
AOUT1R
OUT
LV
Analog Audio 1 Output, Right
83
6
122
AOUT1L
OUT
LV
Analog Audio 1 Output, Left
84
5
123
SPEAKERR
OUT
LV
Analog Loudspeaker Output, Right
85
4
124
SPEAKERL
OUT
LV
Analog Loudspeaker Output, Left
Pin No.
Pin Name
Type
Connection
(If not used)
Short Description
PSSDIP88-1
PY
PSSDIP88-1
PZ
PMQFP144
-2
XM
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  • Here you can View online or download the Service Manual for the Sharp LC-37GA5E (serv.man17) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp LC-37GA5E (serv.man17) LCD. Information contained in Sharp LC-37GA5E (serv.man17) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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