Inhaltsverzeichnis
Werbung
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Cassetten-Audio-Platte / Tape Audio Board
T109
BC548_C
+12V
R340
R/P
T190
27K
BC548_C
B1
B2
LEFT
CHANNEL
RECORD-L
^
HEAD SWITCH
IC101
6
UPC1330HA
9
7
5
R
P
R149
4
+12V
22R
3
G
CHT
GND
P
G
R
VCC
C260
8
4
5
3
2
1
6
2
+
1
100u/25V
P101
RIGHT
CHANNEL
B3
B4
ERASE HEAD
L1
]
1
TP6
2
C207
C206
P105
100p
100p
+12V
BIAS SHORT-CIRCUIT
R266
10K
T155
BC548_C
R273
1K
T161
BC548_C
3 - 9
C121
11V3
R107
3V8
R125
+
5K6
10K
2u2/100V
R111
1V2
1K
T103
BC550_C
R101
0V6
390K
1V2
C107
0V6
R103
+
T101
T105
BC550_C
220R
BC548_C
2u2/100V
R131
C111
0V
R117
15K
K
2M2
100p/5%
C117
R121
F
18K
6n8/5%
PLAYBACK LEVEL
PLAYBACK EQUALIZER
C122
R108
R126
3V8
+
10K
5K6
2u2/100V
R112
1V2
1K
T104
BC550_C
R102
390K
0V6
1V2
C108
R104
0V6
+
T102
T106
220R
BC550_C
BC548_C
2u2/100V
R132
C112
0V
R118
15K
K
2M2
100p/5%
C118
R122
F
18K
6n8/5%
TP5
T107
R129
BC558_B
12V (Cr)
15K
0V
+12V
BIAS GENERATOR
T153
L111
4
3
BC338-40
P1
5
2
P2
R281
8
6
1
7
220K
T154
BC338-40
R275
10R
R282
T156
220K
BC327-25
CASSETTEN-AUDIO-PLATTE
T158
TAPE AUDIO BOARD
BC337-25
PA 6
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
PLAYBACK LEVEL
DOLBY B PROCESSOR
LEFT
LEFT CHANNEL
C125
C147
R137
6V0
6V0
14
9
1/2 IC104
+
+
1K
1u/100V
15
CXA1550P
4u7/63V
4
13
16
2
10
11
6V0
1V2
0V4
6V0
C131
6V0
R141
RECORDING EQUALIZER
+
1K
2u2/100V
R155
11V9
+12V
22R
T111
BC327-25
11V2
D101
9.1C
RIGHT
RIGHT CHANNEL
C126
C145
R138
6V0
6V0
3
8
1/2 IC104
+
+
1K
D2
1u/100V
4u7/63V
1
CXA1550P
7
5
12
6
0V4
5V0
11V9
6V0
2u2/100V
6V0
R142
+
1K
C132
R145
R351
+12V
100R
10K
T192
BC548_C
R289
R301
+12V
4K7
22R
C241
R285
8V8
F
1K
T171
0u1/5%
BC550_C
F101
C245
R291
F332002
5V0
8V2
L-OUT
1
4
IN
OUT
+
3K3
GND GND
4u7/63V
2
3
C242
R286
8V8
F
T172
1K
0u1/5%
BC550_C
F102
C246
F332002
8V2
R292
5V0
R-OUT
1
4
IN
OUT
+
3K3
GND GND
4u7/63V
2
3
Alle Spannungsangaben sind Näherungswerte
All voltage levels are approximates
GRUNDIG Service
3 - 10
C213
K
TP3
120p/5%
1
3
C177
R222
RECORD-L
+
12K
10u/50V
7
F111
RECORDING LEVEL
LEFT
D1
R171
10K
11V3
T125
1V2
5V6
BC548_C
R181
+12V
22
20
21
15
7
9
13
11
19
18
17
1K
IC103
CXA1598S
2
1
3
5
16
14
12
10
6
8
4
C403
5V6
+
5V6
10u/50V
1V2
R208
R213
RMUTE
1K
1K
R172
T131
BC548_C
10K
RECORDING LEVEL
RIGHT
C214
RECORD-R
K
TP4
120p/5%
T127
1
3
C178
BC548_C
T126
R221
+
BC548_C
12K
10u/50V
7
F112
T108
R119
BC548_C
+12V
10K
R110
5V
15K
0V (ON)
12V
0V (Cr)
+12V
R303
R307
R315
T173
BC548_C
R302
R310
1K
1K2
470R
22K
T175
100K
BC548_C
T174
BC558_B
D111
R311
T177
1N4148
10K
BC548_C
R304
R308
R316
1K
1K2
470R
T176
BC548_C
D112
R312
T178
1N4148
10K
BC548_C
PA 6
LINEOUT-R
6
5
@
4
zu/to P407
LINEOUT-L
3
Seite/page
+12V
2
3-12
LMUTE
1
P104
5V
0V
BIAS-ON
6
5
[
RMUTE
4
zu/to P406
NR ON/OFF
3
Seite/page
2
CR1
3-11
1
R/P
8V6
P103
0V (Play)
L-IN
R-IN
5
4
+
3
zu/to P352
2
Seite/page
3-5
1
P106
L-OUT
5
\
REC-L
4
3
zu/to P408
Seite/page
REC-R
2
3-11
R-OUT
1
P102
21/01/98
GRUNDIG Service
Werbung
Inhaltsverzeichnis
