Philips MCD290 Service Manual page 25

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CIRCUIT DIAGRAM - MAIN BOARD (TUENR PART)
ONLY FOR MCD295
TUNE1
KST-F404
1
ANT
FM FRONTEND
JACK1
4
FM RF GND
C8
3
104
FM ANT
2
AM RF GND
1
AM ANT
TUNER1
CN3
2
1
2P
6
5
4
T4
A9452/20382
J2
VCC
000
000
8 - 6
R1 R2
7
IF-OUT
120 120
R5
330
8
OSC-OUT
R6
330
R10
C13
220
R8
103
2.2K
R9
+FM
100
C3
104 C9
100uF
C11
VCC1
33pF
RV1
R15
100K
0
R38
D2 0
BAS316
1 D3A
HN1V02H
R26
47 C21
1uF
D3B
1 3 6
2 HN1V02H
3
C6
331
CT1
11P
T5
44108
RDS ONLY
4 3
C36
VCC
2
C38
J3
2pF
22pF R36
6 1
33K
R20
C37
22k
560p
4/3/2013
T1
11844/44023
R39
4 3
0
2
6 1
C2
104
CF1
10.7M
C1
AM/ FM
10uF
C4
104
C10
1
RIPPLE FM-IF2-IN
100uF
2
AM- RF AM- AFC
3
FM-GND
4
RF-GND1
5
FM-OSC WRITE-EN
6
AM- OSC DATA
7
Vcc1 CLOCK
8
TUNE DGND
R11
9
VCO XTAL
56K
10
AF-OUT MO/ST
R12
11
MPX-IN VDD
1K
C22
224
R27
2K2
C26 C7
474 C31 104
C30
C27 C32 VCC2
15pF
2.2uF
474 470n
C28
1uF
T6
20402 4 3
VCC
2
C33
6 1 82pF
BIRDY FILTER
T7
C41
R29
100uF
VCC1 R28
511BE/43462
820
820 DISCRIM INATOR
R17
R19
22K
1M
C20
R13 C42
MPX
224
1K
222
C43
Q4 224
C12
C39
BC857C
C40
33pF
153
153
22n-USA 22n-USA
BUFFER AM PLIFIE R
World of free manuals
8 - 6
ECO-POWER
T3
11845/20591
3 4
2
1 6
CF2
T2
10.7M
11845/20591
3 4
2
1 6
IC1
33
32
31
P1 P1
30
P0 P0
22K
29
R18
R21 470
28
R22 470
27
C14 102
R14
26
150K
C15
25 X1
C19 C17 C18
12P
222 221 221
24 75K
23 C16
VDD
221
TEA5762
7.8V R3 R4
VCC1
120 120
C5 C34
104 223
R37
11V
VCC2
C23 0
R33
224
5K6
Q3
8.2V
R30
VDD R34
BC547C
C29 150 47K
1uF
R41 Q2
C35
BC857B
100 8.9V
+FM
R31
68K
22uF
R42 R43
8.2V
R40 R32
4.7K 4.7K
0 10K
C24
224
Q1 R16
9014
1M C25
224
Q5
R25 R24
9014
47K
47K
R46 R47
220R 220R
www.nostatatech.nl
CN1
ENABLE/MPX
1
DATA
2 4P
CLOCK
3
ST/NO
4
R23
470
CN2
VCC
1
RIGHT
2
SGND
3
LEFT
4 5P
5
MPX
R7
330
R35
22
R44 R45
000 000
AM/ FM