LZ-702W
4
COMPONENTS DESCRIPTION
●
ELECTRIC UNIT (X34-4320-60)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC101
8.5V REG
Regulates 8.5V
IC102
5V REG
Regulates 5V
IC201
ISO AMP
Audio input isolation amplifier (AV-IN2)
IC202
ISO AMP
Audio input isolation amplifier (AV-IN1)
IC401
VIDEO AMP
75
Ω
driver with 6dB amplifier for composite signal
IC501
AV SW
AV input and output amplifier
IC601
ISO AMP
Audio input isolation amplifier (NAVI)
IC602
NON-INVERTER
Buffer
IC603
VIDEO AMP
75
Ω
driver with 6dB amplifier for composite signal
IC604
VIDEO SW
Video output selector (MONITOR RGB)
IC801
NON-INVERTER
Buffer
Q103
PARK DET
Detects parking signal
Q104
REVERSE DET
Detects reverse signal
Q401
VIDEO DRIVER
Drives video signal
Q402,403
MUTE
P.ON output turns Q405 and Q406 on when trigger is muted
Q404~406
MUTE DRIVER
Muting driver for Lch and Rch
●
VIDEO UNIT (X35-4640-60)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
V.SYNC DELAY BUFFER
Buffer for V.SYNC delay signal
IC3
TIMING CONTROLLER
Controls LCD modulator
IC4
PLL LPF
LPF for PLL control (VT voltage control)
IC101
3.3V
→
5V
3.3V
→
5V conversion
IC103
TIMING CONTROLLER
Controls LCD modulator
IC104
V.MUTE COMPOSER
Composes V.MUTE signal
IC105
HSY/VSY COMPOSITE SYNC COMPOSER
Composes HSY and VSY composite synchronous signals
IC106
MUTE INVERTER
Inverts mute signal
IC108
3.3V
→
5V
3.3V
→
5V conversion
IC202
DC-DC CONVERTER
Co14, -12V and +18.5V
IC300
RESET IC
Resets
µ
-com
IC301
MPU IC
Controls unit (X35-)
IC302
E2PROM
Memory for
µ
-com
IC303
E2PROM
ROM correction
IC304
DIMMER/VCOM SW
Switches DIMMER to V.COM, or V.COM to DIMMER
IC400
REMOTE SENSOR
Detects remote signal
IC401
DIMMER SENSOR
Detects auto dimmer
IC402
5V
→
3.3V
5V
→
3.3V conversion
IC500
INVERTER CONTROLLER
Controls and drives backlight inverter
