Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GV 54…, GV 56…, SE 5106…
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GV 54…, GV 56…, SE 5106…
4 - 19
GRUNDIG Service
4 - 20
GRUNDIG Service
Blockschaltplan (Netzteil) / Block Circuit Diagram (Power Supply)
~
-28V
+33V
+14V
+14VA
+8M2
+5V2D
+5V2A
1200
(CC)
+5VD
+5VF
+5VFD
+5VAHF
GNDA
GNDD
GNDM1
GNDM2
SR1
7240 (CC)
5VF
Central Controller
7300 (CC)
Reset
7080
(DE)
Deck Controller
7100 (DE)
Reset
+5VFD
+5VF
1300
+5VA1
8V2-S
Capstanmotor
Threading-
motor
Headmotor
14VM1-S
+12VF
Stand By
7120
DISPLAY
DC-RESET
+12VD
+12VF
+12VAHF
8M2
+5VD
1509
FAMILY BOARD (OFBG)
FAMILY BOARD II (OKV++G)
6076
6078
6080
6086
6090
5
14
7
3
8
1
7040
7010
7070
7074
12/13
10
15
4
+14VM1
11
7
8
7080
7200 (CC)
1201 (CC)
1202 (FE)
14
1
3
2
16
6
F2
F1
T7210
T7215
(CC)
7220
(CC)
7230
(CC)
7235
(CC)
7400
(FE)
14
10
4
5
10
2
2
3
12
11
7260
(CC)
19
1532
40
3
5
+5VD
(VS)
12
3
2
7
11
8
4
3139
7205
(CC)
+33V
7258
(CC)
15
10
6
8
1
12
+5VD
10
1510
F2
F1
80
33
6
66
12
7087
6050
CONTROL I
(ODCG)
POWER SUPPLY (OSM)
Modu-
lator
Y1360/4
SR2
7455 (FE)
2036
6036
2070
1010
6050
17
14
14
18
10
13
11/12
14
15/16
7225
(CC)
12VF
STROBE
CLOCK
56
OE
12
3
2
7
11
8
4
10
15
6
8
1
12
1534
WIND
4
7
8
11
6
5
5
1
3
2
16
+12L
T7770 (AU)
10
15
4
12/13
1203(CC)
FILAMENT CONTROL
9
9
!
!
!
!
!
SENSOR
PANEL
5V
8V2-S
!
9
12
1502
+5VW
+5V
8
5
13
7370
(FE)
7373(FE)
UTUNE
1350/11
1
3
1
9
7
15
15
8
8
10V
6135
1
3
7
6
+5V
7460/2
8
+5VAHF
2
3
1
4
1
1
58
+5VFD
U PB
3078
7202
(CC)
7237
(CC)
7204
(CC)
7590
(VS)
!
!
!
!
5
8
9
7
6
2
4
3