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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 8

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56
LC-28HM2
AN-28SP2
6
5
4
3
2
1
A
B 
C
D
E
F
G
H
PRINTED WIRING BOARD BLOCK DIAGRAM (DISPLAY)
Æ
 PWB Block Diagram (Display)
Æ
 Main Unit
HIGH
VOLTAGE
BLOCK
MAIN UNIT
BOSE
AMP
POWER
UNIT
DC/DC
UNIT
POWER
SUPPLY
H. V.
CONDENSER
H. V.
CONDENSER
110-120V/220-240V
INVERTER
GND
UNIT
SYSTEM
SPEAKER
INVERTER
GND
UNIT
SYSTEM CONNECTOR
DC/DC power output
SOUND BLOCK
LAMP ERROR
DETECT   BLOCK
REFERENCE
VOLA TGE
BLOCK
FPGA ROM
LCD panel control
 G/A
G/A
 Crystal
MPU OSC
Picture decorder
P2001
Remote control
DC Voltage
Picture(digital)
Audio(analog)
SIGNAL
AMP PWB
Control key INPUT
Gate Connector
Buffer f or source
Buffer f or source
Buffer f or source
Buffer f or source
Buffer f or source
Buffer f or source
MPU for dis play
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