Mitsubishi E55LCD Service Manual page 70

SCHEMATIC DIAGRAM MAIN PWB (CPU) (1/5)
MCU_PWR
R101 4k7
MENU
SELECT
UP
DOWN
R109 0 R137
2 1
PWR_SW
2 1
2 1
2 1
0 R112
R111
0
51_RXD
51_RXD
51_TXD
51_TXD
SCALER_INTN
4 SCALER_INTN
4K7
1 2
MCU_PWR
C105
R120 SDA
MCU_PWR
SCL
103P
2 PANELVCC_CTL
R140
470
C107 22P
3
C108 22P
DTC114WK 1
Q103
L103
BLM11A121SPT
J102
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
LED_R
9
9
LED_G
10
10
MA/10PX1/RA
ARC
513-0100-110
MCU_3_3V 5VD
L110 L101
NC
BLM11A121SPT
MCU_PWR
C102 C103
R124
104P 104P
4k7
IC102
2 43
P1.0/T2 P0.0/AD0
3 42
P1.1/T2EX P0.1/AD1
4 41
P1.2/EC1 P0.2/AD2
5 40
P1.3/CEX0 P0.3/AD3
NC
6 39
P1.4/CEX1 P0.4/AD4
7 38
P1.5/CEX2 P0.5/AD5
8 37
P1.6/CEX3 P0.6/AD6
9 36
P1.7/CEX4 P0.7/AD7
CPU_RST
10 35
RST EA/VPP
33
ALE
32
PSEN
11
P3.0/RXD
13
P3.1/TXD
14 31
P3.2/INT0 P2.7/A15
R144 NC
15 30
P3.3/INT1 P2.6/A14
2 R145 1 NC
16 29
P3.4/T0 P2.5/A13
2 1
17 28
P3.5/T1 P2.4/SDA1
18 27
P3.6/WR P2.3/SCL1
19 26
P3.7/RD P2.2/SDA0
25
P2.1/SCL0
24
P2.0/A8
20
XTAL2
R139
NC
21
XTAL1
12MHz/XTAL
X101 R147 87C51MC2/NT68F631
NC
MCU_PWR
R127 R128 R146
4K7 4K7 NC
L104 BLM1 1A121SPT
1 2
C110 102P C111 104P
1 2 1 2
L105 BLM11A121SPT
1 2
DOWN
C113 102P C114
1 2 2 1
104P
L107 BLM11A121SPT
1 2
UP
C116 102P C117
1 2 2 1
104P
L108 BLM11A121SPT
1 2
SELECT
C118 102P C119 104P
1 2 1 2
L109 BLM11A121SPT
1 2
MENU
C122 104P
C121 102P
1 2 1 2
MCU_PWR
C104
10U/16V
R136 R102
4K7 4k7
LED_R_CTL
LED_G_CTL
R108 100
R110 100
ADCPWR_CTL
DDC_S0
DDC_S1
PC_DET MCU_PWR
R107 4K7
1 2
MCU_PWR
R119
4K7
R121
SCALER_RSTN0
EE_PROTECT 5
C106
5
DDC_SDA
103P
DDC_SCL
0
R114 5
0
R113
MCU_PWR
MCU_PWR
R130
NC (27K)
IC103
1 8
PWR_SW NC NC
2 7
I/P VCC
3 6
NC O/P
4 5
GND DELAY
R133
NC (10K)
M51958B
10-1
IC101
1
PRE
2
E1
3
E2
4
VSS
24C16/SO8
SCL
SCL 4
SDA
SDA 4
5VD
SDA
SCL
150
SCALER_RSTN 4
R123 4K7
LED_R_CTL
1/10W 1
L102
R129
BLM11A121SPT 220 1/4W
LED_R
1 2 1
C109
103P
MCU_PWR
R131 C123
10K NC
1/10W
CPU_RST LED_G_CTL
R142
C112
NC (104P) NC C125
(10K) 10U/16V
BLM11A121SPT
LED_G
1
C115
103P
MCU_PWR
C101
104P
8
VCC
7
/WC
SCL
6
SCL
SDA
5
SDA
J101
1
2
3
4
CON4*1/2.54
2
R126
4K7
1/10W
MCU_PWR
3
2 2
Q101 2SA1037
R132 4K7 1/10W
1 2
R134
L106 4K7 1/10W
R135
MCU_PWR
220 1/4W
3
2 1 2 2
Q102 2SA1037