Kenwood LZ-800W Service Manual page 5

Video Unit (X35-4170-61)
Ref. No. Parts No.
IC20 PNA4603H
IC30 TC7W34FU
IC100 NJM2368V
IC150 TA78DS05F
IC151
TA78DS05F
IC152 TA78L08F
IC153 TA78L08F
IC154 TC7SH04F
IC155 TC7SH08FU
IC200 LZ9GJ19
IC201 NJM2107F
IC300 TC74HC123AF
IC301 NJM4580E
IC302 IR3Y26A1
IC400 BA7787FS
IC500 MB90096-174
IC501 TC74HC07AFE
IC502 MM1389XFBE
IC600 UPD784214GC076
IC601 PST9130NR
IC602 BR24C01AF-W
IC603 M62354FP
IC700 AN8015SH
IC701 NJM2403V
IC800 TC74AC74FT
IC801 TC7WH123FU
IC802 TC7SH08FU
Q11 DTC124EUA
Q12 DTC124EUA
Q13 DTC124EUA
Q14 DTC124EUA
Q15 DTC124EUA
Q100 2SC5569
Q150 DTB123YK
Q151 2SB1124
Q152 DTC114YUA
Q154 2SC4081
Q200 2SC2412K
Q201 DTC124EUA
Q300 2SC2412K
Q301 2SC2412K
Q400 2SCC1203-FA
Q401 2SC4081
Q500 2SC4081
Q501 2SC4081
Q502 2SC4081
Q503 2SC4081
Q600 DTC124EUA
Q601 DTC124EUA
Q700 2SC4116 (Y)
Q701 2SCC1203-FA
Q702 2SC3303 (Y-LB)
Q703 2SC3303 (Y-LB)
Q720 DTC114YUA
Q721 DTA124EUA
CIRCUIT DESCRIPTION
Description
Autodimmer IC
Buffer
DC-DC control IC
5V Reg
5V Reg
8V Reg
8V Reg
Inverter
AND
Timing controller IC
Operation amp
Mono-multi
Operation amp
Gamma correction IC
SP·HP AMP
OSD IC
Buffer
RGB SW
Microprocessor
RESET IC
EEPROM IC
D-A Converter
DC-DC control IC
Comparator
D flip flop IC
Mono-multi
AND IC
Switch
Switch
Switch
Switch
Switch
Switch
Switch
Drive
Switch
Switch
VCO circuit
Switch
+7.5V AVR
Ripple filter
Drive
Switch
Buffer
Buffer
Buffer
Buffer
Switch
Switch
Switch
Drive
Drive
Drive
Switch
Switch
Processing Operation
Autodimmer detection sensor
Remote control output buffer
Controls DC-DC
+5V power supply for microprocessor
+5V power supply for remote control and autodimmer
+8V power supply for LED
+8V power supply for LED
ACC detection inversion signal
MUTE control (AND of IC154 and SPMUTE)
Display(LCD) control
Controls PLL
Controls black mask
V-COM AC driver and buffer
Gamma correction
Speaker amp
Controls on-screen
R/G/B/I/HSY buffer
R/G/B switch
Controls functions
Reset control
Data storage
Inverter control
Inverter protection circuit
Screen vertical start position delay
Changes IC800 pulse width
AND
Touch panel control switch
Touch panel control switch
Touch panel control switch
Touch panel control switch
Touch panel control switch
DC-DC switching
PON +5V switch
PON +14V power supply
PON +14V switch
ACC detection
PLL oscillator
TV/NAVI changeover switch
Gamma correction for IC +7.5V power supply
Ripple filter
PON +5V power supply
PON +5V switch
I signal buffer
G signal buffer
R signal buffer
B signal buffer
RESET switching
RESET switching
Inverter switching
Inverter drive
Inverter drive
Inverter drive
IC700·IC701 switching
IC700·IC702 switching
LZ-800W
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