Grundig sonoclock 910 Serviceanleitung Seite 8

Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Clock Board
Volume Board
Function Board
L201
Jack Board
2U2
C201
F GND
1N
L202
2U2
C202
F GND
1N
L203 R201 R202
2U2
10R 470R
C203
GND
F
1N
L204
2U2
C204
F GND
1N
L205
Do
2U2
C205
JP201 F GND
1N
ON
1
L206
DC-VOL
2U2
2
C206
UREF
GND
+1.25V F
3
AGND 1N
4 L207
DO
2U2
5
C207
CE
F
6
GND
DI 1N
7
L208
CL
2U2
8
C208
F
GND
1N
L209
2U2
C212
F
GND
1N
L210
2U2
C213
F
GND
1N
L211
2U2
C214
JP202 F
GND
1N
F1
1
L212
GND
F2
2U2
2
C215
-24,9V
F
3
GND
GND 1N
4
L213
+10.5V
+
2U2
5
C216
TUNING UP
F
6
GND
TUNING DOWN
1N
7
VOLUME BOARD
SW501
–
JP501
JP203
+
1
1
2
SW502
2
3
3
FUNCTION BOARD
SW401
SLEEP
JP401
JP204
1
SW402
1
ALARM MODE 2
2
SW403 3
3
ALARM 4
4
5
SW404
5
PRESET/STORE
3 - 3
CLOCK BOARD
Q201
2SA1015
+1.25V
R204
+2.7V
4K7
R203
+0.5V
2K2 GND
+0.4V
R205
0V
Q202
10K
2SC1815
ON
+4,7V/0
CL
DI
CE
-24,9V
Q203
2SC2236
+4,7V
+5.2V
+4,7V
Q205
+3.9V
GND GND GND
2SA1015
+4.6V
GND
+4.6V
0V
Q204
Q206
+0.7V 0V
2SC1815
2SC1815
GND GND GND
GND GND GND
R215
R216
1K
1K
R238
R239
1K
1K
GND
R217
R218
1K
R219
1K
R220
1K
1K
GND
GRUNDIG Service
sonoclock 910 Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
FD201 8-MT-76GNK
DISPLAY
IC201
M38102M4
3 - 4
JP205
R242
CDS
JP206
GND
JP207
BZ201
BUZZER
JP208
R236 L214
180R 2U2
JP209
1
2
JP210
GND
GND
GND GND
CST4,19MGW
GND
GND
TC201
GND
30P
C230
R234
K
GND
R221
220K
18P
100K
R223
100K
R224
100K
R225
100K
R226
100K
R227
100K
GND
R228
100K
R229
100K
R230
100K
R240
100K
R241
JACK BOARD
100K
D205 D204
+4.7V
GND
BAT43 1N4148
JP211 JP303
1K
+4.4V
1
L215 L301
R301
+4.4V
2U2 2
3
L302
GND GND GND GND
22.9.95
2 1
JP303 J302
TO JP101/102
FM+DCF77 ANTENNA
MAIN BOARD
PAGE 3-2
sonoclock 910
JP301
J301
DATA OUT
GRUNDIG Service