Read Sharp LC-13C2E (serv.man2) Service Manual online
5
LC-13B2H/M
LC-15B2H/M
LC-20B2H/M
LC-15B2H/M
LC-20B2H/M
3. GENERAL DESCRIPTION OF FUNCTIONS OF CIRCUITS IN EACH UNIT
MAIN UNIT
CIRCUIT
REF.No.
MAIN PARTS CODE
FUNCTION
Video circuit
IC801
VHIVPC3230D-1
Digital video signal processing
A/D converter, Color detection and decode
Image switching, Image control
Image quality correction, Contour correction
Component signal processing
4 Line Digital Comb Filter
CPU
IC2001
RH-IXA003WJZZQ
IC control, Channel selection control, Lamp error control
OSD, Remote control decode
Closed caption decode
V-Chip decode
LCD control
IC1201
RH-IX3378CEZZ
Liquid crystal timing control
Light control, OSD display
Vertical and horizontal reverse display control
PAL pixel skipping 7-6 line conversion, 8-6 bit conversion
IC1202
VHIPD485505-2
Memory for pixel skipping line conversion
IC1203
VHITC4W53U/-1
Gate control
IC1204
VHITC4024BF-1
Gate control
IC1205
VHITC4052BF1E
Gate control
Gray level circuit
IC1101
VHIMB8346BV-1
D/A converter
Gray level voltage generation
IC1102
VHINJM4565V-1
Dual operational amplifier
IC1103
Gray level voltage buffer
IC1104
IC1105
VHIBU4053V/-1
3-circuit 2-channel analog multiplexer
IC1110
Gray level voltage switching
IC1106
VHINJM4580V-1
Dual operational amplifier
IC1107
Gray level voltage buffer drive
IC1108
IC1109
VHINJM353M/-1
Dual operational amplifier
Common voltage buffer
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