220R
R101
3K6
R104
1K
R113
6K2
R114
100K
R107
10K
R103
10K
R106
4K7
R115
10K
R102
47K
R105
4K7
R88
4K7
R91
3K3
R86
3K3
R87
K
10N
C88
K
22N
C92
K
22N
C96
K
22N
C93
K
22N
C91
K
22N
C98
K
10N
C105
C
150P
C103
100
R112
3.3K
R108
3.3K
R109
10K
R129
100
R111
1.8K
R118
F
0U1
C114
F
0U33
C113
7
6
AMP
POST Q.D.
DETAM-ZFMIX
F
OSC
BUFFER
OSC
S-METER
NARROW
AGC
DRIVER
LED
S-METER
8
15
9
12
161719142423
5321
4
1318
FM - IF
BUFFER BUFFER
I F I F
LA1266
IC3
10K
R126
100K
R93
1N4151
D43
100K
R94
100K
R97
GL7812
IC5
100K
R96
100K
R123
+
10U/50V
C86
+
2U2/100V
C94
+
1U/100V
C104
+
1U/100V
C97
+
1U/100V
C95
+
220U/16V
C112
+
4U7/50V
C77
+
4U7/50V
C78
100K
R95
10K
R98
BC548B
T23
10K
R99
6
891
2
124
F9
6
891
2
124
F11
DATA
CLK
XOUT
XIN
FM MPX
VCC
VCC
GND
GND
GND
GND
9 10 11 6 13 14
2
16
3478125
SAA6579T
IC4
OUTPUT
MUTING
ITCH
EREO
IGGER
RIVER
MP
LA3401
IC2
BC548B
T18
BC548B
T21
4
K
1
6
3
F7
11
10
9
8
7
6
5
4
3
2
1
CN4A
BC548B
T22
4M332
Q3
C
82P
C109
C
47P
C107
C
560P
C99
+
2.2U/100V
C108
C
100N
C102
22U
L21
2.2K
R121
1N4148
D29
10K
R116
1.8K
R118A
1.2K
R125
1N4151
D28
1N4151
D27
BC548B
T19
4
3
2
1
CN2A
3
2
1
CN1A
+
22U/50V
C89
+
4U7/63
C84
MUTE
+12V
+12V
+12V
AM-OSZ
AM-AF
SEARCHLV
STEREO
+5V
+5V
STEREO
DATA-IN
CL
CE
FM.MPX
12V
FM-MPX
DATAOUT
16
16
15
15
14
14
13
13
12
12
H
G
F
E
D
C
B
A
for UMS2 only
for UMS2 only
R.D.S CCT.
441.0287.00
441.0287.00
J
KH
G
G
D
C
RDS DEMODULATOR
+5V
+18V
MUTE
STEREO
DA-OUT
CL
DA-IN
CE
441.0290.00
RDS CLK
RDS DATA
FROM AUDIO BOARD TC2A
PAGE 3-4
TO CONTROL/CD BOARD CN602
PAGE 3-14
TO AUDIO BOARD TC1A
PAGE 3-3
R
L
10 11
13 12
2.5V 2.5V 2.5V 12V 12V 12V
1.5V1.5V3.2V4V
1.5V
4V
3.3V
STATION
SEARCH
2.5V
2.5V 2.5V
2.5V
VOLTAGE MEASURED RELATIVE TO GND ON FM.
0V
11.8V
11.9V
-0.3V
11.9V
0V
0V
3.4V
2.7V
1
3
2
S
i
47
R631
22K
R645
100K
R630
+
1U/50V
C604
3
2
1
WT606
3.3K
R632
+
100U/10V
C612
C
27P
C606
R637
47K
47K
R642
470
R651
470
R650
1.5K
R648
1.5K
R649
+
47U/16V
C601
BC328-25
T609
BC338-25
T607
R638
47K
BC328-25
T608
+
22U/25V
C603
47K
R639
47K
R640
47K
R641
47K
R643
47K
R644
C
22N
C602
BC548B
T605
5
4
3
2
1
CN605
1N4148
D605
P
0.1U
C607
C
27P
C605
L601
22UH
8
7
65
4321
IC602
X24C04
32.768K
Q602
BC338-25
T606
11
10
9
8
7
6
5
4
3
2
1
CN602
15
14
13
12
11
9
8
7
6
5
4
3
2
10
1
CN603
15
14
13
12
11
9
8
7
6
5
4
3
2
10
1
CN610
11
10
9
8
7
6
5
4
3
2
1
CN611
220K
R148
(3/10P)
C608
CR601
6.0M
XCOUT
XCIN
VCCVSSRESET
XOUT
XIN
AVSS
VEE
VREF
25 26 10
33
21
36 37 22 9111213141516 2171819202324393846 4735 40 93 91 94 345678302995
41
56
55
54
53
1
52
51
50
49
48
42
96
27 28
45
44
43
100
99
98
97
89 34
3132 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88
IC601
M38185-175FP
6
5
4
3
2
1
WT604
10M
R144
22K
R654
15
14
13
12
11
9
8
7
6
5
4
3
2
10
1
CN609
DATA.OUT
CL
DATA.IN
ANT/CABLE
RDS-DATA
HEAD.SW
LINE.MUTE
REC.MUTE
DOLBY.ON/OFF
DOLBY.R/P
SCHLV
REC.R
REC.F
ANALOG-I/P
E2P-CLK
E2P-DATA
CE
STEREO
F1
F2
F3
F4
F5
GND
GND
+5V
+5VUP
+5VUP
+5VUP
+5VUP
+5VUP
E
D
PDOWN
CLOCK
(IC601/21)
KEYB1
KEYB1
DATA
MOT-DRV
SOL-DRV
RDS-CLK
MUTE (T205)
MUTE
STDBY
LATCH
PWR-KEY
PWR-KEY
F
REC
HALL-B
MODE-B
MODE-B
HP-IN
B
B
VUP
VUP
G
C
C
OPTION
(22P)
TO CASS. BD TC603
PAGE 3-22
TO TUNER BD 4A
PAGE 3-13
CD-TRAY DOOR DRV.
SUPP. SMOOTH.
RESET
MEMORY
SEGMENTDIGIT
TO KEYBOARD CONTROL TC611
PAGE 3-8
TO KEYBOARD CONTROL TC610
PAGE 3-8
TO KEYBOARD CONTROL TC609
PAGE 3-7
TO AUDIO BOARD FC604
PAGE 3-4
TO AUDIO BD
FC 606 TC605
PAGE 3-3 PAGE 3-4
G
F
DE
CONTROL
CN611/11
+5V
+5V
+5V
0V
0V
+5V
+4.7V
+4.7V
+4.7V
+4.7V
0V
0V
+4.7V
-36V
+5V
+5V
+5V
+5V
+5V
+5V
UMS 1 / UMS 2Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
3 - 13 GRUNDIG Service
UMS 1 / UMS 2
3 - 14
Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
GRUNDIG Service
Schaltplan / Circuit Diagram
Control, CD
To Next Page
Loading...
