Mitsubishi Electric LT-2220 Service Manual page 30

MODELS: LT-2220 / LT-2240 / LT-3020 / LT-3040 / LT-3050
POWER CIRCUIT BLOCK DIAGRAM
20V "22 Only 5A
Adaptor SEB150P2
JP JP
AC-Adaptor
"22
"22 "22
Only
OnlyOnly
24V (1) "30 Only 3A
PWB-POWER (2.7A)
ON_24V
24V (2) "30 Only 3.8A
PWB-POWER (3.5A)
ON_24V
POWER-UNIT
"30 Only
8.5V "30 Only 1.2A
PWB-POWER
: Power source is
always ON
DEVICE IC
: use several
power sources
FOR LT-22XX / LT30XX
PWB-SET(SUB)
"30: 0.9A
A12V IC860 "22: 0.8A
PQ1CY1032Z
PSAVE2
A9V IC8K0
BA178M09FP
"22 Only A8V IC8J0
BA178M08FP
"30 Only
"30: 9V 1.4A
AMPVCC IC870 "22: 7.5V 1.2A
PQ1CY1032Z
PSAVE3
"30: 12V 0.95A
SAMPVCC IC880 "22: 9V 0.6A
PQ1CY1032Z
PSAVE3
S5V IC850 0.6A
PQ1CY1032Z
SW5V IC8E0
CPH6311
PSAVE1
S3.3V IC8F0
SI3033LSA
4.5V IC840 1.2A D3.3V IC8N0
PQ1CY1032Z SI3033LSA
PSAVE1
A3.3V IC8M0
SI3033LSA
PSAVE1
AD3.3V IC8Y0
SI3033LSA
D2.5V IC830 0.8A
PQ1CY1032Z
PSAVE1
TO INVERTER
TO INVERTER
A12V
TO MAIN
0.15A IC701 AV-SW CXA2089
A9V
TO MAIN
0.015A IC710 MPX MSP3440G
IC712 MAIN AMP AN7522F
IC711 SUB AMP AN7522F
S5V
TO MAIN
IC710 MPX MSP3440G
0.4A IC702 MM 1556AF
A5V
TO MAIN
0.05A IC8X0 ADM3311EARS
S3.3V
TO MAIN
D3.3V
0.5A
TO MAIN
A3.3V
0.04A
TO MAIN
AD3.3V
0.24A
TO MAIN
D2.5V
TO MAIN
"22: 3A "30: 2.8A (2.5A) INVERTER
INVERTER "30 Only
"30: 2.8A (2.5A)
LCD PANEL
IC100 AV-SW CXA2069
TC1A0 TUNER 115VF045AR
PWB-MAIN
IC300 MPU M306V7
IC2A1 EEPROM 24LC21TSW
IC305 LMV324MTX
IC201 AV-SW SM5301A
IC204 AV-SW BA7657F
TC1A0 TUNER 115VF045AR
IC202 LM1881MX
A30V IC180 0.005A TC1A0 TUNER 115VF045AR
LA7995M
IC300 MPU M306V7
IC301 RESET IC M51957
IC303 EEPROM 24LC64T-I
IC2A2 74LCX14
IC400 Scaler Uranus M66473FP
IC500 3D I/P gm6015
IC501 DRAM64 K4S643232F-TC60
IC401 DRAM16 IC42S1600-7T *2
IC602 DRAM16 IC42S1600-7T *2
IC601 3D Y/C UPD64011
IC4A0 ENMA M66617FP
IC4A1 LVDS THC63LVDM83R
IC4A4 74LCX74MTCX
IC4A2 74LCX04MTCX
IC490 DSO751SV 20MHz
D1.9V IC402 0.27A IC400 Scaler Uranus M66473FP
SI3018KS
PSAVE1
IC601 3D Y/C UPD64011
IC203 HD74LV157
IC205 A/D AD9883
IC2A3 A/D AD9883
IC2J1 DVI SiI907B
IC500 3D I/P gm6015
IC4A0 ENMA2 M66617FP
1.5V IC600 0.06A IC601 3D Y/C UPD64011
SI3012KS