Read Sharp LC-13C2E (serv.man2) Service Manual online
6
LC-13B2H/M
LC-15B2H/M
LC-20B2H/M
LC-15B2H/M
LC-20B2H/M
CIRCUIT
REF.No.
MAIN PARTS CODE
FUNCTION
Tuner
TU3201
VTUVT2U5CD553
PLL channel selection, Video detection, Audio detection, AFT, AGC
Audio circuit
IC3304
RH-IX3371CEN1Q
Digital audio signal processing
SIF detection, NICAM/IGR detection and decode
Audio input switching, Equalizer, Volume control
A/D converter, D/A converter
IC3301
VHINJM4560M-1
Operational amplifier
IC3302
Active filter (acoustic characteristic correction)
IC3303
IC3305
VHILA4635A+-1S
Audio output amplifier
Power supply
IC3701
VHINJM2377M-1
DC/DC PWM control
circuit
T3701
RTRNZ0800CEZZ
DC/DC transformer
IC3702
VHINJM2147M-1
Operational amplifier, 31V/29V power supply stabilization
R3760
RVR-M8026TAZZ
B+ adjusting control (+5V adjustment)
Lamp error detection
Discrete circuit
Lamp error detection
AV2-IN/OUT
IC3501
VHITC4053BF1E
Audio I/O switching
Discrete circuit
Video I/O switching
TERMINAL UNIT
CIRCUIT
REF.No.
MAIN PARTS CODE
FUNCTION
AV1 input
Discrete circuit
Video/Audio/S video input terminal
Inverter circuit
T5701
RTRNZ0777CEZZ
LC-13B2H/M, LC-15B2H/M only
T5702
DC/AC inverter
Backlight lamp drive
JACK UNIT
CIRCUIT
REF.No.
MAIN PARTS CODE
FUNCTION
Operation circuit
Switches
Power switch, Channel selector UP/DOWN switch
Volume UP/DOWN switch, Menu switch, TV/VIDEO switch
OPERATION UNIT
CIRCUIT
REF.No.
MAIN PARTS CODE
FUNCTION
Remote control circuit
RMC4002 RRMCU0239CEZZ
Infrared remote control receiver
LED circuit
D4014
RH-PX0421CEZZ
Power LED (Standby: Red, Power-on: Green)
D4015
RH-PX0421CEZZ
Sleep Timer LED (Sleep Timer ON: Red)
R/C RECEIVER UNIT
CIRCUIT
REF.No.
MAIN PARTS CODE
FUNCTION
Inverter A
T6751
RTRNZ0798CEZZ
DC/AC inverter
T6752
Backlight lamp drive
T6753
Inverter B
T6551
RTRNZ0798CEZZ
DC/AC inverter
T6552
Backlight lamp drive
T6553
INVERTER-A/B UNIT (LC-20B2H/M only)
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