Circuit Diagram - Philips MCD290 Service Manual

CIRCUIT DIAGRAM - MAIN BOARD (TUNER PART)
ONLY FOR MCD290
C3
L1
47pF
6T5
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
R2
33K
C41
6 1
5 2
473
4 3
T4 D3
A9452/ 2 0382 I348
CV2
10P
8 - 2
C35
C1
47pF
C5
33pF
10uF
C4
104
C10
1
C9
100uF
R10
2
L3
CV1 2pF 220
5T5
3
10pF
4
5
6
7
C6
VCC1
L2
4T5 8
7pF
R11 56K
RV1
9
R15
100K
10
0
R38
C22
11
0
224
C13
331
D2
BAS316
C11
C21
1uF
33pF
BI RDY FI LTER
VCC1
R26
RDS ONLY
R19
47
22K
R13
1K
T5
R36
44108
33K
Q4
4 3
C12
BC857C
33pF
C36
2
C38
2p2
22pF
6 1
BUFFER AMPLIFIE R
R20
C37
22k
473
T1
11844/ 4 4023
C2
4 3 R39
104
0
2
6 1
CF1
10.7M
CF2
10.7M
IC1
33
RIPPL E FM-IF2-IN
32
AM-RF AM-AFC
31
FM-RF P1
30
RF-GND1 P0
29
FM-OSC WRITE-EN
28
AM-OSC DATA
27
Vcc1 CLOCK
26
TUNE DGND
25
VCO XTAL
24
AF-OUT MO/ST
23
MPX-IN VDD
TEA5757
R27
2K2
C26 C7
474 C31 104
C27 C30 C32 VCC2
15pF
474 2.2uF 470n
C23
224
C28
1uF
4 3
2
C33
6 1 82pF
T7
C20
511BE/43462
MPX R29
DI SCRIMI NATOR
820
222
R28
820
C39
C40
153
153
22n-USA
22n-USA
8 - 2
T3
11845/ 2 0591
3 4
2
1 6
T2
11845/ 2 0591
3 4
2
1 6
P1
P0
R23
470
470
R18
R21
470
R22 470
C14 102
R14
150K
C15
X1
C19 C17 C18
12P
222 221 221
75K
C16
VDD
221
7.8V
R3 R4
VCC1
120 120
C34
223 R7
330
R37
11V
VCC2
0
R33
5K6
Q3
8.2V
R30
VDD R35
BC547B
220
C29 22
1uF
CN1
ST/NO
1
ENABLE
2 4P
DATA
3
CLOCK
4
CN2
VCC
1
RIGHT
2
SG ND 5P
3
LEFT
4
5
MPX
R24 R25
470 470
C24 C25
224 224