Circuit Diagram - Philips MCM2000/12 Service Manual

Display Board -- Circuit Diagram
SM2
SM3 SM4
SM1
1
1 1
SMARK
SMARK
SMARK SMARK
A5.6V
1
COM[00:06]
SEG[00:20]
100R
R23 J3 44
DATA DI
100R
R3 J4 43
CS CLK
100R
R4 J5 42
WR CE
J1
41
VDD
R35 10R
40
OSC
EC6
39
VSS
EC-100UF/10V
38
VLCD
J2
COM00 37
COM1
36
COM01
COM2
35
COM02
COM3
34
COM03
COM4
AD1 AD2
J8
J7
12-2
IR
R19 470
R18 47R
3.3V R20 10K
Q2
8550
R32 0R
IR
12
SEG11
SG12
13 SEG12
SG13
14 SEG13
SG14
15 SEG14
SG15
16 SEG15
SG16
17 SEG16
SG17 LED_PWM
18 SEG17
SG18
19 SEG18
SG19
20
SEG19
SG20
21
SEG20
SG21
22
SG22
A5.6V
1
ROT_B
R21 10K 2
ROT_A/B
D1 ROT_A
3
ECO_POWER
1N4148 R22 4.7K
PJ5 VOL
J10
A5.6V 5.6V
J9
LED2
R25 150R
R26 10K
R29 22K
B Q3
8050
EC5
EC-22UF/10V
EC4
2.2U/10V
PJ7
CON13P-2.0
1
GND
2
ECO_POWER
3
IR
4
LED_PWM
5
ROT_A/B
6
DATA
7
WR
8
CS
9
GND
10
AD1
11
AD2
12
3.3V
13
5.6V
12-2