Philips MCD300, Руководство по обслуживанию

Страница: 19 / 37

RIPPLE
1
AM -RF
2
FM-RF
3
RF-GND1
4
FM-OSC
5
AM -OSC
6
Vcc1
7
TUNE
8
VC O
9
AF-OUT
10
MP X-IN
11
LP
F
12
MU
T
E
13
LEF
T
14
RIGHT
15
PILFIL
16
IF-GND
17
FM
DE
M
18
AF
C-
19
AF
C+
20
FSI
21
VCC2
22
VDD
23
MO /ST
24
XT AL
25
DGND
26
CLOC K
27
P1
31
P0
30
WR ITE-EN
29
DA TA
28
FM-IF2-I N
33
AM -AFC
32
FM
-IF1
-IN
37
AM
-IF
2
36
FM
-IF
2
35
VS
TABB
34
VS
TABA
38
FM
-M
IXOUT
39
AM
-M
IXOUT
40
AM
-IF1
-IN
41
RF-GND2
42
FM
-IN
43
AGC
44
IC1
TEA5757
C4
104
C10
100uF
VCC1
R11 56K
RV 1
100K
C22
224
C26
474
C27
474
R27
2K2
C28
1uF
C30
2.2uF
C31
15pFC32
470n
C7
104
VCC2
VDD
X1
75K
R14
150K
C14102
C15 12P
R22 470
R21
470
R18
22K
C19
222 C17
221 C18
221
P0
P1
R15
0
C16
221
R23 470
1
2
3
4 CN 1
4P
R4
120
R3
120
C34
223
VCC1
C24
224
C25
224
R7
330
R25
47K
R24
47K
DZ
1
BZX
384-
C1
1
R35
22
C23
224
R33
5K6
Q3
BC 547B
R30
220
C33
82pF
C29
1uF
VDD
VCC2
R29
820
R28
820
C40
153
C39
153
1 3
2
CF1
10. 7M
1 3
2
CF2
10. 7M
R1
20K
1
2
3 4
6
T3
11845/ 20591
1
2
3 4
6
T2
11845/
20591
1
2
3 4
6
T1
11844/
44023
1
2
3 4
6
T5
44108
C2
104
C1
10uF
1
2
3 4
6
T7
511BE/43462
3
2
1 6
4
5
T4
A9452/
20382
R8
5.6K
C13
331
C3
47pF
R20
22k
R26
47
C36
22pF
C38
2p2
C37
561
R10
220
D2
BA S316
C11
33pF
CV 2
10P
C21
1uF
R36
33K
Q4
BC 857C
C12
33pF
R19
22K
R13
1K
C20
222
MP X
MP X
VCC1
ST/NO
EN AB LE
DA TA
CLOC K
VC C
RIGHT
LEFT
SGND
FM RF GND
4
FM AN T
3
AM RF GND
2
AM AN T
1
JACK 1
TUNER1
C8
104
RDS ON LY
BUFFER AM PLIFIER
22n-USA
22n-USA
DISCRIMI NA TO R
BIRDY FILTER
7.8V
11V
8.2V
1
2
3
4
5
CN 2
5P
R37
0
R38
0
R39
0
D5
BB 804
D4
BB 804
D1
BA V99
L1
5T5
C5
33pF
L3
4T5
C9
2pF
L2
3T5
C6
7pF
CV 1
10pF
C35
47pF
D3
I348
R2
47K
C41
473
T109
Q1
9014
Q2
9014
R12
4.7K R16
4.7K
R6
1M
R9
100
R17
1K R31
1K
VC C
C42
100uF
C43
224
C44
224
R5
1M
T141 T142
R34
000 R32
000
R40
000
1
2
CN 3
2P
T128
T116
Note: Tolerance RE S
±
10%
CAP
±
20%,
Speci al part s noted besi de part s
CIRCUIT DIAGRAM - TUNER BOARD
(ECO6-01)
7-1 7-1