Grundig FREAXX 40 RRCD 4204 PLL, Руководство по обслуживанию

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GRUNDIG Service FREAXX 40 RRCD 4204 PLL
3 - 4
Schaltplan Tuner / Circuit Diagram Tuner
MW: 525kHz: 1.8V; 1620kHz: 8.4V-8.7V
MG
MR
LR
LG
MW
MB
LW
LB
LW: 144kHz: 2.2V; 281kHz: 6.8V-7.2V
FM: 87.5MHz: 1.95V; 108MHz: 7V-7.4V
R502
3K3
Q502
9014C
C504
2n
R503
2K2
R506
3K3
C511
1n
R509
1K2
C5
1
C507
30P
+
C509
100u
R511
100K
Q507
9014C
VC503
T30P
R534
15K
TD504
SV321
R535
15K
Q509
9014C
C521
10n
VC501
T30P
R513
100K
C510
10n
Q501
9014C
CF501
GFMB3
C502
2u2(NP)
C514
1n
Q503
9018F
TD502
SV201
D501
1N4148
D502
1N4148
AMANT
1
REG
2
GND2
23
FMANT
24
C529
10P
R510
470K
C517
20n
R514
100K
1
2
L501
0.6X4.5X3.5T
R542
100K
X501
75KHZ
4
6 1
3
7
T502
9230
C532
120P
XOUT
1
XIN
2
CE
3
CK
4
DA
5
CD
6
P0
7
P1
8
IFIN
9
P2
10
AMIN
11
FMIN
12
VDD2
13
VDD1
14
PD1
15
VSS
16
IC
501
BU2614FS
C513
10n
C512
3P
R512
3K3
C505
1n
C503
1n
C5
TD503
SV321
R515
22
R507
220
R508
120K
R533
2K2
C523
1n
C533
2n
C506
2n
C508
20P
C531
330P
C530
330P
C550
5P
R549
100K
R550
100K
R551
100K
0.6X4
C501
1n
TD50
SV201
VC502
T10P
C525
2n
Q508
9014C
+
C527
220u
1
2
3
4
MW COIL
ANTCOIL
1
2
3
4
LW COIL
ANTCOIL C524
100n
R504
27K 1/8W
4
6 1
3
7
T501
9813
R501
47K
C522
3P
TP1
TP2
TP3
0,0V 1,4V 0,0V 2,4V 5,0V 5,0V 1,0V 0,0V
FM AM
1,3V 1,3V 1,3V 1,3V
FM AM 0,9V 0,0V 0,0V 0,0V
4,8V 0,0V 5,0V 0,0V 5,0V 0,0V 1,7V 2,5V