Cassetten-Audio-Platte - Grundig PA 5 - Turnit Serviceanleitung

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
C107
2u2/100V
LEFT
CHANNEL
RECORD-L
HEAD SWITCH
6
9 7
5
R149
IC101
UPC1330HA +12V
4
22R
3 C260
8 4 5 3 2 1 6 +
2
100u/25V
1
P101
RIGHT
CHANNEL
RECORD-R
C108
2u2/100V
TAPE AUDIO BOARD
BIAS GENERATOR
L111
T153
19202-638.97
BC338-40
P1
5
P2
8
T154
BC338-40
+12V
R275
BIAS
10R
BIAS SHORT-CIRCUIT
R266
T156
10K
BC327-25
T155
BC548_C
R273
1K
T161
T158
BC548_C
BC337-25
3 - 15
PLAYBACK LEVEL
C121 LEFT
R107 R125
+
5K6
10K 2u2/100V
+1.2V
R111
T103
1K
BC550_C
R101
390K
+1.2V
R103
+ T101
T105
220R BC550_C
BC548_C
R131
C111
R117 15K
K
2M2
100p/5%
C117
R121
F
18K
6n8/5%
PLAYBACK LEVEL
PLAYBACK EQUALIZER
RIGHT
C122
R108 R126
+
10K 5K6
2u2/100V
+1.2V
R112
T104
1K
BC550_C
R102
390K
+1.2V
R104
+ T102
T106
220R BC550_C
BC548_C
R132
C112
R118 15K
K
2M2
100p/5%
C118
R122
F
18K
6n8/5%
T107
R129
BC558_B
15K
+12V
ERASE HEAD
4 3
P105
1
2
2
L1
C241
R281
6 1 7 F
220K
0u1/5%
C242
R282
F
220K
0u1/5%
GRUNDIG Service
PA 5 - Turnit Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
DOLBY B PROCESSOR
LEFT CHANNEL
+5.6V
C125 C147
R137
14 9
1/2 IC1O4
+ +
1K
1u/100V 15 CXA1100P 4u7/63V
D1
4 13 16 2 10 11 R171
+5.6V
+5.6V
C131
R141
RECORDING EQUALIZER
+
1K
2u2/100V
+11.3V
R155
+12V
22R
T111
BC327-25
D101
9.1C
D2
R172
RIGHT CHANNEL
+5.6V
C126 C145
R138
3 8
1/2 IC104
+ +
1K
1u/100V 1 4u7/63V
CXA1100P
7 5 12 6
T127
+5.6V
BC548_C
2u2/100V
R142
+
1K
C132
R145 R351
+12V
100R 10K
T192
BC548_C
R289
+12V
22R
R301
4K7
R285
1K T171
BC550_C
F101
8141-910-060
C245
R291 3 6
+7.5V +
3K3
4u7/63V
7
R286
T172
1K
BC550_C
F102
8141-910-060
C246
R292 3 6
+7.5V +
3K3
4u7/63V
7
P408
p. 3-17
3 - 16
C213
K
TP3
120p/5%
19202-358.97
TP5
1 3
C177
R222 F111
+
12K
RECORD-L
10u/50V
7
+5.6V
10K
T125
+1.2V
BC548_C
R181
T132
+12V
16 15 14 13 11 10 19 9
1K
BC548_C
bias
IC103
CXA1198AP
1 2 3 4 6 7 8 5
R208
1K
TP6
T131
10K
BC548_C
LINEOUT-R
C214
K
+5.6V TP4
120p/5%
19202-358.97
LINEOUT-L
1 3
C178
T126
R221 F112 LMUTE
+
BC548_C
12K
10u/50V
7
T108
R119
BC548_C +12V
10K
R110
BIAS
15K
RMUTE
NR ON/OFF
CR1
R/P
L-IN
R-IN
+12V
R303 R307 R315
1K 1K2 470R
T174
BC558_B T175
BC548_C
R302
22K
T173
D111 R311
BC548_C T177
1N4148 10K
BC548_C
R304 R308 R316
1K 1K2 470R
T176
BC548_C
D112 R312
T178
1N4148 10K
BC548_C
PA 5 - Turnit
RECORD-R
6
5
P407
+12V 4
p. 3-18
3
2
1
P104
6
5
P406
4
p. 3-17
3
2
1
P103
5
P514
4
3 p. 3-9
2
1
P106
21/01/98
GRUNDIG Service