Circuit Diagram - Philips MCD718 Service Manual

CIRCUIT DIAGRAM - ECO6-01 TUNER BOARD
(not for -/37)
C3
L1
47pF
5T5
D1
BAV99
D4
BB804
R1
JACK1
20K
4
FM RF GND
C8
3
104
FM ANT
R8
2
AM RF GND
5.6K
1 D5
AM ANT
BB804
TUNER1
CN3
2
1
2P
R2
47K
C41
6 1
5 2
473
4 3
T4 D3
A9452/20382 I348
CV2
10P
7 - 3
C35
C1
47pF
C5
33pF
10uF
C4
104
C10
100uF
R10
C9
L3
CV1 2pF 220
4T5 T109
T128
10pF
C6
VCC1
L2
3T5
7pF
R11 56K
RV1
R15
100K
10
0
R38 C22
11
0
224
C13
331
D2
BAS316
C11
C21
1uF
33pF
BI RDY FILTER
VCC1
R26
RDS ONLY
R19
47
22K
T5
R36
44108
33K
Q4
4 3
C12
BC857C
33pF
C36
2
C38
2p2
22pF
6 1
BUFFER AMPLIFIER
R20
R40
C37
22k
561
000
T1
11844/44023
C2
4 3 R39
104
0
2
6 1
CF1
10.7M
CF2
10.7M
IC1
1
RIPPLE FM-IF2-IN
2
AM-RF AM-AFC
3
FM-RF P1
4
RF-GND1 P0
5
FM-OSC WRITE-EN
6
AM-OSC DATA
7
Vcc1 CLOCK
8
TUNE DGND
9
VCO XTAL
AF-OUT MO/ST
MPX-IN VDD
TEA5757
R27
2K2
C26
474 C31 C7
C30
C27 VCC2
15pFC32 104
474 2.2uF
470n
C28
1uF
VCC
4 3
R9
2
C33 100
6 1 82pF
C42
T7 100uF
C20
R13
R12
511BE/43462
MPX R29
4.7K
1K
820 DISCRIMI NATOR R5
222
R28
820
1M
Q1
C43
9014
224
C44
224
C39
C40
R17
153
153
22n-USA 1K
22n-USA
7 - 3
T3
11845/20591
3 4
2
1 6
T2
11845/20591
3 4
2
1 6
33
P1
32
P0
31
30
22K
29
R18
R21
470
28
R22 470
27
C14 102
R14
26
150K
25 X1
C19 C17 C18
12P
C15
222 221 221
24 75K
23 C16
VDD
221
7.8V R3 R4
VCC1
120 120
C34
223
R37
11V
VCC2
C23 0
R33
224
5K6
Q3
8.2V
R30
VDD
BC547B
220
C29
1uF
R16
C24
4.7K
224
R6
1M C25
224
R24
R25
Q2
47K 47K
9014
R31
1K
ENABLE
1 CN1
DATA
2 4P
CLOCK
3
ST/NO
4
R23 470
CN2
VCC
1
RIGHT
2
SGND 5P
3
LEFT
4
5
MPX
R7
330
R35
22
R32 R34
000 000