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LC-28HM2E (serv.man3). Chassis layout, Description of majoy IC functions, Block diagram, Overall wiring diagram, Description of schematic diagram, Waveforms - page 49-63 - Sharp TV Service Manual (repair manual). Page 11

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59
LC-28HM2
AN-28SP2
6
5
4
3
2
1
A
B 
C
D
E
F
G
H
OVERALL WIRING DIAGRAM-1/2 (DISPLAY)
8
PS_ON
7
MMW
6
GND
5
Vin 13V
4
Vin 13V
3
GND
2
GND
1
INV_ON
CN1
V4 3.3V
GND_S
V3 5V
GND
MMV
GND
V5 -4.5V
GND
1
2
3
4
5
6
7
8
CN3
V6 -15V
GND
D-MPOW
V1 +28V
D-POW
SOUND_M
INV-ON
M+BADJ
9
10
11
12
13
14
15
16
Vin
V2 9V
17
18
P3601
1
IREM
2
+5V
3
GND
4
LEDPOW
5
PL1
P3502
4
PR1
3
SR1
2
SL1
1
GND
P3501
3
KEY1
2
KEY2
1
GND
INV_VCC1
1
2
P6101
1
2
P6105
1
2
P6106
1
2
P6103
1
2
P6102
1
2
P6104
1
2
P6107
INV_VCC2
1
2
P6201
1
2
P6207
1
2
P6206
1
2
P6205
1
2
P6204
1
2
P6203
1
2
P6202
1
H_GND7
2
H_GND8
3
H_GND9
4
H_GND10
5
H_GND11
6
H_GND12
P6307
1
2
P6305
1
2
P6302
1
2
P6301
1
2
P6303
1
2
P6304
1
2
P6306
P2002
1
KEY1
2
KEY2
3
GND
1
2
P601
1
2
P602
1
2
P603
1
2
P604
1
2
P605
1
2
P606
P2003
4
IREM
3
+5V
2
GND
1
LEDPOW
1
NC
2
INV_GND
P608
6
H_GND7
5
H_GND8
P607
4
H_GND9
3
H_GND10
2
H_GND11
1
H_GND12
P1302
4
SOUND_L
3
GND(S)
2
SOUND_R
1
V_COM
1
+3.3V
GND_S
P2001
+5V
GND
+5V
GND
-7.5V
GND
-14V
GND
D-MPOW
+30V
D-POW
SOUND_M
D-INV-ON
V_REFADJ
+13V
+9V
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
SYSTEM
CN
1
N
2
L
CN3
PS_ON
+5V
GND
+13V
+13V
GND
GND
INV_ON
1
2
3
4
5
6
7
8
CN9
5
PL1
CN2
4
PR1
3
SL1
2
SR1
1
FG
1
VH
2
1
VH
2
VL
1
2
CN8
AC-IN
2
PL1
1
SL1
CN1
CN2
4
V_COM
3
SOUND_R
2
GND(S)
1
SOUND_L
BOSE
LAMP-1
UNIT
CONTROL UNIT
MAIN UNIT
LAMP-GND 
UNIT
LAMP-2 
UNIT
SC4304
SC4305
SC4307
SC4303
SC4302
SC4306
QCNW-5638CEZZ
QCNW-5740CEZZ
QCNW-5727CEZZ
QCNW-5641CEZZ
QCNW-5642CEZZ
QCNW-5759CEZZ
QCNW-5643CEZZ
QCNW-5701CEZZ
QCNW-5645CEZZ
QCNW-5645CEZZ
QCNW-5645CEZZ
QCNW-5645CEZZ
QCNW-5645CEZZ
QCNW-5645CEZZ
QCNW-5726CEZZ
QCNW-5655CEZZ
J4001
CN1
DUNTKA169DE03
DUNTKA170DE03
DUNTKA171DE03
DUNTKA173DE03
DUNTKA168DE01
RDENC0321CEZZ
RDENC0309CEZZ
RDENC0323CEZZ
DUNTKA172DE03
P3503
2
MAIN-DT
1
5V
P2004
5V
MAIN-DT
1
2
CN3
CN4
QCNW-5636CEZZ
QCNW-5637CEZZ
H_GND1
NC
H_GND2
NC
H_GND3
NC
H_GND4
NC
H_GND5
NC
H_GND6
NC
H_GND8
NC
H_GND11
NC
H_GND12
NC
H_GND10
NC
H_GND9
NC
H_GND7
NC
LAMP_1
LAMP_2
LAMP_3
LAMP_4
LAMP_5
LAMP_6
LAMP_7
LAMP_8
LAMP_9
LAMP_10
LAMP_11
LAMP_12
1
SOUND_M
2
GND_S
CN2
GND
GND
GND
R/C RECEIVER UNIT
POWER UNIT
DC/DC UNIT
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