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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 13

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61
LC-28HM2
AN-28SP2
6
5
4
3
2
1
A
B 
C
D
E
F
G
H
OVERALL WIRING DIAGRAM (AVC SYSTEM)
DUNTKA354NJ01
1
2
3
18
19
20
QCNW-5635CEZZ
(FFC)
PO
WER UNIT
FR
ONT TERMINAL 
UNIT
MAIN UNIT
REAR TERMINAL 
UNIT
PC_GND
1
PC_GND
2
RDENC0322CEZZ
PS-ON
2
2
QCNW-5704CEZZ
1
2
3
18
19
20
1
2
3
20
21
22
DUNTKA352NJ01
50
49
48
3
2
1
1
2
3
28
29
30
50
49
48
3
2
1
QCNW-5632CEZZ
QCNW-5634CEZZ
QCNW-5633CEZZ
(FFC)
(FFC)
(FFC)
1
2
3
48
49
50
30
29
28
3
2
1
1
2
3
28
29
30
DUNTKA353NJ01
QSOCN0487FJZZ*
QSOCN0199FJZZ*
SC2402
SC1403
SC401
QSOCN0464FJZZ*
QSOCN0490FJZZ*
QSOCN0464FJZZ*
QSOCN0464FJZZ*
                  QPLGN0324FJZZ*
SC1402
SC403
SC402
RXD_M
D_GND
TXD_M
GND
C_CB
C_CR
GND
HP_L
5V(A)
HP_L
5V(A)
GND
V2_PLUG
V2_Y
GND
V2_PLUG
V2_Y
GND
C_CB
C_CR
V3_L
P701
PC_AGND
PC_AGND
PC_AGND
D GND
5V(D)
SMPOW
GND
SRST
FLASH_W
FLASH_W
GND
QSOCN0490FJZZ*
SM_RST
BS_AFCOUT
BS_AFCOUT
BS_DET
BS_BIT
BS_DET
V2_L
5V(A)
5V(A)
BS_BIT
5V(A)
5V(A)
SC1404
V2_R
5V(A)
GND
RXD_M
D_GND
TXD_M
GND
5V(A)
GND
SC404
V3_R
QSOCN0464FJZZ*
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