Philips CED750, Service Manual

Page: 15 / 53

VOLUME -
VOLUME +
RED
BLUE
BLUE
RED
RED
GREEN
ENTER
RIGHT DOWN LEFT UP
1
A
3
C
2
B
4
D
5
E
76
SW10
ENCODER
C27
104
C28
104
C30
104
1
3
2
4
LED7
1
3
2
4
LED18
1
3
2
4
LED19
1
3
2
4
LED20
R59
680R
R60 470R
R55 680R
R56 470R
R51 680R
R52 470R
R57 680R
R58 470R
C21
105
R33
10k
R41
10k
R42
0R
R44
2K7
R45
6K8
R43
12K
SW2 SW3
SW4
LE
D
5V
AD
V
IR
3
V
3
IR
KEY2
GND
INCO
DA
INCO
DB
LED_
R
LED_
B
2
1 3 4 5
ZD1
C25
104
C24
104
1
OUT
2
GND
3
VCC
U5
IRM-3638N3
C26
104
R48 47R
R49
10k
C33
106/10V 0805
R50
100R
KEY3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CON3
FPC14/0.5
1
3
2
4
LED14
1
3
2
4
LED10
R61 680R
R62 470R
R53 680R
R54 470R
1
3
2
4
LED15
1
3
2
4
LED8
1
3
2
4
LED5
1
3
2
4
LED6
R63 680R
R64 470R
R39 680R
R40 470R
R32 680R
R34 470R
R35 680R
R36 470R
C31 105
C32 105
R71
MVS07
R72
MVS07
R73
MVS07
1
3
2
4
LED1
1
3
2
4
LED2
1
3
2
4
LED3
1
3
2
4
LED4
R1
680R
R2 470R
R3 680R
R4 470R
R5
680R
R6 470R
R7 680R
R8 470R
C1
105
R9 680R
R11 680R
1
3
2
4
LED12
1
3
2
4
LED13
1
3
2
4
LED16
1
3
2
4
LED17
R13
680R
R14 470R
R15 680R
R16 470R
R17
680R
R18 470R
R19 680R
R20 470R
R21
22K
SW1
E
B
C
Q4
KRC402
E
B
C
Q5
KRC402
E
B
C
Q1
KRC402
E
B
C
Q2
KRC402
2 1
D7
2 1
D1
C29
105
R10
27k/1%
R23
7k5/1%
R12
0R
R22
4k3/1%
R24
27k/1%
R25
30k/1%
R26
10k/1%
R27
12k/1%
R28
12k/1%
1
2
3
4
5
6
7
8
9
SW6
C2
103
[2] INCODB
[2] INCODA
IR3V3
DGND
LED5V ADV
[2] KEY2
LED5V
DGND
IR3V3
[2] INCODA
[2]
INCODB
[2]
LED_R
[2] LED_B
DGND
[2] IR
[2] KEY2
DGND
ADV
IR3V3
IR3V3
DGND
[2] IR
[2]
AD_KEY3
DGND
DGND
LED5V
DGND
[2] LED_B
DGND
[2] LED_R
DGND
DGND
[2] LED_R
DGND
[2]
LED_B
DGND
[2] AD_KEY3
DGND
ADV
DGND
DGND
KEY BOARD-Circuit Diagram
5-1 5-1