LC-37GA8EK (serv.man13). 14. Block Diagrams - Sharp TV Service Manual (repair manual)

lc-37ga8ek (serv.man13) service manual
Model
LC-37GA8EK (serv.man13)
Pages
2 Few pages! See other manuals at the bottom of the first or last page.
Size
736.55 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD / 14. Block Diagrams
File
lc-37ga8ek-sm13.pdf
Date

Read Sharp LC-37GA8EK (serv.man13) Service Manual online

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I
 
H
 
G
 
F
 
E
 
D
 
C
 
B
 
A
 
 
BLOCK DIAGRAM
 
System Block Diagram 
ON
OFF
1
2
3
4
5
6
S156
FL201
P-CON1
21
1-3
(37)
1
S_MUTE
M5
25/26
IC201
9/7
REG2
18
P2306
220
9
P2305
1-5
&L
IF-DEMOD
TDA8931T
LEDPOWR/G
+8V
-AIN
D-SUB-15
16
&L
Q723
R
SIF
REMOCON
24V
VA1
C705
ERR
13
F7702 1A
1
M2
36/32/28
5/11
CN11
Vcc
14
&L
10-15
4
5
P1102
11
PCON1
C706
37/29
HDMI-
SDO/
WS/
SCK
SDA/SCL
IN2_L/R
15
HDMI
RECEIVER
VIN_2
CN5
SLOW_SW1
220
IC303
Vcc
11
I-sen
A
R
R1(C1)/G1/B1
17
E2PROM
HEAD
PHONE
SDA
SCL
L701
PRE-DRIVE
H-SYNC V-SYNC
HDMI-R
400V
6
3
IF(A)
F701
7
7/9
400V
J2702
15
RTUNQA021WJZZ
M2
AV-LINK1
IC2301
7
21
CN7705
L
IC101
162
90
Duty
DUNTKD608FM02
IC707
6
R
VIN2
VCC
M5
IC708
8
2
SW-REG
20
IXB664WJ
P2301
Q7511
132-123
POWER SW
IC706
12
OFL
PCON2
5-7
10
R
13.5V
OSC
25
(32/37)
Q1107
Q1108
STB
19
4-6
5/4
13
12
DUNTKD607FMV0
TEMP1-3
CCP-1
10/9
VA1
VA2
8
INPUT
INV_BRT(32)
20
A-OUT
24V
ROMSEL0
TU201
9
8
5/6
L
TDA8931T
J1101
6
10
5
P1201
27/23
QSOCNA229WJ
9
14
15
M2
2
190
NJM4558M
FL202
IC1710
6
1
RSP-ZA184WJZZ R
12
VB1
CN4
C
IN3_L/R
27/28
TDA9886
16
M2
R
88
SDA/SCL
84
83
D7516
29/30
23
VIF
RCORF0103CEZZ(32/37)
14
24/22
2
3
ISL83220
L702
28/27
R
CVBS
CN7508
M6
CORE
M6
QFS-ZA007WJZZ
KEY
KEY-PSW
TXD
D734
1
FB
R2(C2)/G2/B2
Vin=24V
P2303
J1301
BCT
Q7514/20
6
20
SIF
DUNTKD605FM14/03(32/37)
13.5V
C705
NJM2904
VOUT1
D737
9
10/11
L
18
Q1101
Q7512
BU3.3V
D7501
17
7
11
4A
PCON1
PCON1
13.5V
144-133
P0035GE
FRAME
6
10-15
LA
IC3002
IC2303
13
12
FRAME
VB2
91
AUDIO
VA2
LB
14
Vcc
A/V-IN
IC7501
V
26
LVDS_
CN/CP
5V
BRT
IC2702
OPC
A-IN-L/R
7/9
Q1103
Q1104
16/8
PCV
R/G/B
132
131
VIN7
M2
195
P301
LVDS_CN/CP
10
2
3
R
VIN_1
OP-AMP
IXB823WJ
L
P704
11/10
SPL
HDMI-G
B
15
RCORFA023WJZZ(37)
OPC-IN
J2701
87
AOUT1_R/L
RXD
10/12
SDA3
SCL3
13
AGC
SC1702
CORE
2
S-MUTE
D7517
PRE-DRIVE
CN7704
7
5V
MR4030(32/37)
4
10
I-DET
D736
PCON2
C706
12
ZD7502
Q7501
RS-232C
Q1102
Vcc
1-5
GA8E(32/37)
17
BU+5V
CVBS/Y-IN
D735
2
1
13
Q1901
Q1903
14
15
174
173
172
Q712
2
1
7
P153
Q713
3
Vcc
LCDUD/LR
CORE
1-5
REG/
REG2
92
PCON2
6
Q721
4
CORE
BD9777FV
IXB624WJ(GA8E)
R
VB1
Q708
AV-LINK2
6
M1
LIN/RIN
H-SYNC
V-SYNC
4
12
19
20-21
Q726
A
67/66
HDMI-B
M5
D102
194
SC301
P101
Q704
M5
SPR
B
A-IN-L/R
IC301
S2_MUTE
13/14
VIN2
Q702
R
4
Q710
SC2704
14
CN7503
Reg
Q301
D753
6
M3
D778
5
IC1201
3
E
2
AV
D751
SC1701
CN5
D777
D7525
IC1905
T7501
2
D741
30V
IC704
8
OUT1-L/R
VCC
Tra/Receiver
24V
D754
INV_ON(32)
Q7502
RESET
AOUT2_L/R
ZD7501
S_MUTE
FPGA
TEMP1-3
10/9
I
D759
REG
20-21
M3
SS
D738
12
3
SDA3
SCL3
270
7
D746
M2
IC3005
24/23
Q7513/19
16
HDMI-WP
VA702
VOUT1
GA8E(32/37)
RESET
18
17
24V
LVDSxx
OSC(37)
VA701
Vcc
C
HDMI
HS/VS
6/2
C704
STB
HDMI-
INT
PCLK
102
B
D725
15
10
6
INV-CTL
IC302
VCT6973
D724
L
189
160
Q302
102
122
J1201
13
PCV
H/V
D726
D731
P702
1
M3
SLEEP
9
10
VA1
C752
19
V-SENCE
R(C1)/G/B
18
17
109
AV
59/58
T7505
CH+
C762
4
R(C2)/G/B
IC1102
ERR
9
5
Y
FB
A-OUT-L/R
C754
IC1901
HDMI-IN
SC2702
5
M6
Q7508
Q7528
Q1203
C757
2
4/5
6/7
6
35V
ERR
CN4
D739
I-sen
C744
TXD
REG
6-10
2
L
4
OUTMON_L/R
LCDUD/LR
D728
14/2
2
IC1
R
Q7503
S_MUTE
OUT2-L/R
D762
270
VOUT2
CN7502
12/15
OPEN
35V
SCART2
REG
F7501
Q731
PRE-DRIVE
DUNTKD606FMV0
12
171
47
CP4
5
Q730
141
 |
128
4
3
18
17
38
39
40
SENS
5V
PIC16F913
8
OPEN
35V
Vcc
LVDSxx
13/16
DH/DV
SYNC
3
Q305
10
188
161
14
OPEN
119-110
1
12
2
C
P701
4
SDA
SCK
SDE
9
4
D103
14
13
1
SC2303
D730
7
HDMI-RST
(RCORFA020WJZZ)
AV
I
84-86
7
VA2
G
10
33/5V
I-SENCE
M2
I-DET
7
KEY,KEY-PSW
6
VOL+
S2_MUTE
RX2+/-
L
4
Q1204
MICRO
CONTROLLER
5
C
24LC2BIN
OVP
40
S_MUTE
M6
Q7509
9
R858
IC1101
2
2/3
4/6
4
S_MUTE
CN2
SC2703
IC709
Q7527
DTVPC
DTVHDMI
(A/B)
FAST-SW2/
SLOW-SW2
1-5
14
TH701
9
HPOUT_L/R
P-CON2
NJM2903M
+8V
-AIN
3
20
HXA033WJ
11
Q7504
VIN2(Y/V)
S2_MUTE
5
S2_MUTE
4/5
400V
CN7501
1/2/3
POW_5V
5A
SENS
4
6.3A
1
3
(32/37)
2
31
6
5
2/3
3
T2
1
13
35V
13/16
6
A3KU2655EK
Q7517/22/18
Q306
IC705
2
73
|
66
11
J1101
P703
CN4
H/V
SELECTOR
CVBS-IN
12
11
ATUNER-CVBS
D
2
IN3YV
IN1_FSW
J
R
SII9021
RXC+/-
D732
A3KU2655EJ(SERVICE)
900V
RX1+/-
AV
CORE
7
VB2
G
R
OVP
S_MUTE
24LC2BINEES
(SERVICE)
159
31
3
SC2705
CH-
Q1106
8
11
SCART1
IC7502
6
REG
2
IXB731WJ
(SERVICE)
1
11
GND
M5
115
116
117
Q7505
380V
Q7526
(SERVICE)
E2PROM
SC2301
RX0+/-
RY701
QJAKEA073WJ
OPC
MUTE-SP
GRAY LEVEL 
ADJ.DRIVE
FAST-SW1/
SLOW-SW1
RXD
SDA/SCL
CN1
3
D104
24
23
OPC/SLP
BU5V
Q1201
Q1202
COM-BIAS
ADJ
INV-CTL
1
400V
24V
M5
1
3
3
REG
41
PANEL
POW BLOCK
5
1
IC7502
QSOCZA117WJ
4
B
IC2701
7
3
2
1
VOLTAGE
REG
3/5
2
16
B
SPK_L/R
HPMUTE
178
177
176
DRAM
10
13.5V
65
|
58
RT
10
CN7504
CN3
9
10
EPROM
PRE-DRIVE
16/15
IN2_FSW
S-MUTE
71/70
SC701
MR4020
4
6
8
Vcc
PANEL CONTROL 
J
OUT3-L/R
S/VIDEO
A-OUT-L/R
5
Q14
E
QJAKJA007WJZZ
1
RCORF0103CEZZ(32/37)
T1
SC1901
11
MUTE_-SP
M3
380V
SIF
24V
AUDIO
9/10
D733
POW
-LED
S-MUTE
16/15
CT
5
Q7525
191
8
R
R
VB1
IC7502
15/11/7
7
2
2
22
5/6
Q1105
M5
VOL-
4/6
Q7506
QSOCDA036WJ
OSC
D756
30V
7
RS-232C
OPC
-LED
119
120
T701
IC2704
+8V
-AIN
P-CON2
MAIN
-AMP
19
P1701
TH3002
22
21
GND
28/27
1
MAIN
-AMP
9
Q724
3
M1
&L
SLOW_SW2
OPC/SLP
STB
F7701 6.3A
BR24L64F
4
4
REG
P1101
G
2
3/1
E2PROM
4-6
AV-LINK
QJAKEA073WJ
7
M1
VB2
10
11
14
13
5/6
187
175
182
57
|
50
IN1_L/R
23
24
RSP-ZA184WJZZ L
P2302
IC3001
BR24C21F
T7502
P201
5
4
6
8
CN7505
D747
8
13/15
T703
Q7515/21/18
AGC
104
63/62
1
8
QJAKZA033WJZZ
5
D
183
M2
VIN1(Y/V)
11
184
2
QCNCMA012WJ
1/3
VOUT2
L
L
900V
Vcc
Q7507
1
15
1
2
4
D701
8
LEDPOWR/G
RMC101
7
2
CORE
SW-REG
IC3003
CD4052BP
(32)
(32/37)
L
T702
LOUT/ROUT
7
INV-ON(BL-ON)
5
INV-BRT(FL-OFL)
PWM-SEL
9
INV_ON
INV_BRT
PWM-SEL
INV_ON
INV_BRT
PWM-SEL
12
13
14
5A
CP3
CP1
1A
INV-ON
12
INV-BRT
13
1 Duty
IC5
2 BCT
14
PWM-SEL
D65
T3
T4
CN5
CN6
CN7
A
B
C
D
E
F
G
H
P
T8
O
14
OVP
CN8
4
3
3
3
REG
3
A
B
C D E F
I J K L M N O P
G H
Q16
Q17
Q18
Q19
T5
IC4
IC3
8
F/B
6 RT
4
CT
5
SS
12
4
5
9
DRIVE
CIRCUIT2
RDA706(37)
RDA703
RDA702
(32/37)
LB(37)
KM
RA
RCORFA064WJZZ(37)
R828
100
91
97
12
27/26
42/35/41
14
8
OFL
3
37only
QSOCZA116WJ
QSOCZA116WJ
LV
33
18
192/170/133
185/169/142
5V
8V
BU3.3V
BU1.8V
9
5V
1.8V
3.3V
74
99
30V
8
6/7
RCORFA064WJZZ(37)
+8V
22
23
EXT-1
AV-UNIT
POWER-UNIT
TUNER-UNIT
LCD
RRMCGA387WJSA(GA8E)
32 INCH
EXT-2
BACK-LIGHT
DUNTKD890FM02/03(32/37)
EXT-5
MAIN-UNIT
RUNTKA217WJZZ
KEY-UNIT
SP-BOX
PC-INPUT
INVERTER UNIT 
INVERTER UNIT 2/2
AC-IN
RUNTKA216WJZZ
INVERTER UNIT  1/2
SP-BOX
AC-CORD
37 INCH
LCD-CONT-UNIT
R/C LED UNIT
TFT LCD PANEL
37 INCH
LCD-MODULE
R1LK315T3LF15(32)
R1LK370T3LZ5BX(37)
EXT-3
EXT-4
DUNTKD604FM10(32/37)
A3IU32A8E1
A3KU37A8E1
IM3819
RRMCGA499WJSB(BV8E)
QACCBA073WJPZ(K)
QACCKA021WJPZ(E/F/I/R)
32/37GA8E/K/F/I/RU    BLOCK DIAGRAM
BV8E
SPEAKER L
SPEAKER R
CKITKD608FM02 (SERVICE)
74
  LC-32GA8/LC-32BV8
  LC-37GA8/LC-37BV8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
I
 
H
 
G
 
F
 
E
 
D
 
C
 
B
 
A
 
ON
OFF
1
2
3
4
5
6
Vcc
Vcc
AUDIO
M2
J2702
M2
J2701
SC2301
QJAKDA036WJ
12/15
1/2/3
D-SUB-15
QSOCNA229WJ
9
SC2303
16/15
1/3
7/9
HDMI-IN
4/6
SC1901
CN5
CN4
CN2
CN1
P2305
P2303
SC1702
SC1701
P201
SC2705
P2302
CN5
CN4
A-TU201
CH+
VOL+
CH-
VOL-
S156
POWER SW
P0035GE
P153
DUNTKD606FMV0
(32/37)
INPUT
AUDIO
DUNTKD608FM02
QCNCMA012WJ
7
8V
9
Q201
DUNTKD890FM02(32)
HDMI
RECEIVER
IC1905
SII9021
IC1901
24LC2BIN
E2PROM
IC3002
IXB624WJ
VCT6973
2
3
QSOCZA117WJ
QJAKEA073WJ
QJAKEA073WJ
M1
M2
SC2704
M2
M3
M6
M3
M6
M6
M5
M5
S8V
7
6/2
40
D103
SENS
1
20
3
SCART2
SCART1
P101
SENS
2
31
15/11/7
B
D104
SC301
POW
-LED
S/VIDEO
4
3/5
J1101
41
RSP-ZA184WJZZ
(32/37)
OPC
-LED
RMC101
13/15
5
36/32/28
AV
3/1
10
G
DUNTKD604FM10
REMOCON
IC101
HEAD
PHONE
R
AV
J1101
37/29
G
DUNTKD607FMV0
7
RSP-ZA184WJZZ
(32/37)
J1301
AV
A-OUT
27/23
QJAKJA007WJZZ
P1101
R
11
OPC
A/V-IN
1
R
16/8
24/22
QJAKZA033WJZZ
P1102
D102
AV
B
8
19
P1201
SLEEP
J1201
M1
10/12
IC2702
MM1507XN
M2
M5
IC2301
ISL83220
RS-232C
BU3.3V
BU+5V
IC1706
MP1410ES
M6
BU+1.8V
IC1702
PQ20WZ11
M6
3.3V REG
IC1703
M6
8V REG
PQ20WZ11
IC1705
IC1708
M6
MP1410ES
8V
+5V
S8V
S+8V
+1.8V
LCD+5V
LCD5V
BU3.3V
+3.3V
IC1101
MM1506XN
SWITCH
AV1
AV1
IC1201
MM1507XN
SWITCH
A+5V
IC1102
MM1506XN
SWITCH
AV1
IC302
IC301
TDA8931T
TDA8931T
SOUND AMP
SOUND AMP
B+30V
B+30V
POW+5V
SSM6J51TU
M6
TERMINAL+5V
SC2703
SC2702
13.5V
SSM6J51TU
M6
IC1704
+3.3V REG
PQ20WZ11
IC1707
M6
5V
A+5V
AV1
IC303
NJM4558M
A8V
8V
6
4
8
33V
5V
Q202
IC201
IC2701
+3.3V
TVHC153T
M2
(32/37)
RS-232C
(32/37)
+1.8V
EDID5V
+3.3V
BU+1.8V
IC1710
IXB823WJ
FPGA
PIC16F913
MICRO
CONTROLLER
IC3003
IXB664WJ
IC2704
CD4052BP
M2
BR24C21F
E2PROM
IC2303
M5
4-6
20-21
BU3.3V
10-15
EDID5V
35V
35V
1
VIDEO
PROCESSOR
SYSNC
SELECTOR
LCD+5V
BU3.3V
P301
6
4
8
28-31
2
19
22
23
23
22
19
1-3
1-2
3-4
TDA9886
IF-DEMOD
ANALOG SW
SWITCH
5V-REG.
5V-REG.
5V
1.8V-REG.
1.8V-REG.
RTUNQA021WJ
OP-AMP
(32/37)
BU3.3V
S+8V
8V
AV1
AV1
BU3.3V
+1.8V
24LC2BINEES
(SERVICE)
IXB731WJZZS
(SERVICE)
M3
IC3001
E2PROM
BR24L64F
18
192
33
185
IC3005
RESET
BU4215G
M3
74
99
6
Q1702
AT+35V
9
20
DUNTKD890FM03(37)
D751
5V
&L
1
T702
2
MR4030(32/37)
C706
IC707
Q723
7
I-DET
6
400V
DUNTKD605FM14/03(32/37)
13.5V
L702
D777
C757
400V
P-CON1
P701
I-DET
13.5V
D759
Q708
15
Q712
3
C705
D736
D747
D724
IC705
6
10-15
1-3
6
900V
380V
IC709
NJM2904
D762
(37)
Q702
5V
VCC
F701
D732
270
GND
1
VA701
35V
2
C705
D737
C706
T703
4
SC701
IC708
7
24V
D738
900V
5
MR4020
11
C762
Q710
1
D741
4-6
9
BU5V
1-5
400V
4
30V
D739
1
220
INV_ON
14
GND
SW-REG
IC704
Q713
35V
16
D733
CORE
20-21
INV_BRT
TH701
QFS-ZA007WJZZ
D701
C744
Q724
D730
13
270
Q726
PWM-SEL
9
RDA706(37)
P703
5
INV_ON
1
1
RDA703
9
C704
220
VCC
D746
D726
INV_BRT
RDA702
400V
P-CON2
D753
D734
380V
D756
6-10
Q731
&L
D731
PWM-SEL
(RCORFA020WJZZ)
NJM2903M
30V
24V
3
P702
12
FB
FB
D754
3
&L
13
7
D778
4
10
&L
14
5
C754
PCON2
SW-REG
13.5V
7
HXA033WJ
6
(32/37)
14
D725
IC706
RY701
T701
Q721
1
5
D728
D735
VA702
Q704
4A
R858
(32)
15
Q730
C752
PCON1
L701
5V
35V
P704
2
2
5-7
P-CON2
12
20
5A
1-5
CN3
CP4
IC1
T1
INV-CTL
CP3
CN4
CP1
CN11
24V
1A
Vcc
5A
Q14
Q16
Q18
Q17
Q19
Q21
Q20
Q23
Q22
CN7701
CN7504
RUNTKA216WJZZ(37)
T7701
6.3A
Q7525
24V
Q7524
CN7501
CN7508
CN7503
T7505
Q7523
T7704
CN7704
F7701
INV(37) UNIT 2/2
1-5
RUNTKA217WJZZ(37)
F7702
CN7705
IC7501
15-19
T7501
6
Q7526
15-19
6
F7501
CN7502
VCC
BD9777FV
INV-CTL
Q7524
Q7526
Q7529
Q7527
*4
*5
6.3A
1.0A
LA
LB
INV(37) UNIT 1/2
(32)  *8
(37)  *9
M1
M5
T8
R828
P1701
M6
35V
QSOCZA116WJ
QSOCZA116WJ
170
133
169
142
CORE
RCORFA023WJZZ
(37only)
CORE
RCORF0103CEZZ(32/37)
CORE
RCORF0103CEZZ(32/37)
RCORFA064WJZZ(37)
RCORFA064WJZZ(37)
CORE
CORE
MAIN-UNIT
LCD-CONT-UNIT
PC-INPUT
EXT-4
EXT-5
TFT LCD PANEL
KEY-UNIT
TUNER-UNIT
RRMCGA387WJSA(GA8E)
SP-BOX R
R/C LED UNIT
SP-BOX L
EXT-3
AV-UNIT
EXT-1
EXT-2
LCD-MODULE
R1LK315T3LF15 (32)
R1LK370T3LZ5BX(37)
RRMCGA499WJSB(BV8E)
AC-IN
QACCBA073WJPZ(K)
QACCKA021WJPZ(E/F/I/R)
AC-CORD
POWER-UNIT
IM3819
INVERTER UNIT 
32 INCH
A3IU32A8E1
A3KU37A8E1
LCD
BACK-LIGHT
32/37GA8E/BV8E/K/F/I/RU
   POWER-BLOCK-DIAGRAM    
     Power-Source Block Diagram 
SPEAKER L
SPEAKER R
CKITKD608FM02 (SERVICE)
75
  LC-32GA8/LC-32BV8
  LC-37GA8/LC-37BV8
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Download Sharp LC-37GA8EK (serv.man13) Service Manual (Repair Manual)

Here you can read online and download Sharp LC-37GA8EK (serv.man13) Service Manual in PDF. LC-37GA8EK (serv.man13) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp LC-37GA8EK (serv.man13) LCD. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.