GRUNDIG Service
2 - 12
GDV 130…
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
3(K)
2(NC)
MMBD4148
5H
1(A)
K
A
+5VALL
+5VALL
+5VALL
+5VALL
U601
W78E52
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
+5VD
TXD
RXD
GND_D
MRSTB
HOST_DATA
HOST_CS
CRSTB
ARSTB
IR
HOST_CLK
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
OPEN_SW
POWER_SW
FB
ML_DACO
MC_DACO
MD_DACO
OPEN_SW
POWER_SW
FB
ML_DACO
MC_DACO
MD_DACO
POWER_CTL
EXTB
FNC1
FNC2
FNC3
AMUTE
POWER_LED
AMUTE1
P1.0/T2
P1.1/T2EX
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
P3.0/RXD
P3.1/TXD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P3.6/WR
P3.7/RD
XTAL2
XTAL1
VSS
VCC
P0.0/A0
P0.1/A1
P0.2/A2
P0.3/A3
P0.4/A4
P0.5/A5
P0.6/A6
P0.7/A7
EA/VPP
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
P2.4/A12
P2.3/A11
P2.2/A10
P2.1/A9
P2.0/A8
C601
104
R605
3.3K
D601
MMBD4148
R601
10K
R603 220
X601
11.0592Hz
C602
27p
C603
27p
CE601
10
µ
/16V
R610
R604
R602
R606
R607
TO MAIN CIRCUIT DIAGRAM (P. 2-11)
R612 R609
R611
3.3K
3.3K
3.3K
3.3K
3.3K
3.3K
3.3K
3.3K
CON601
OPEN
option
MRSTB
HOST_DATA
HOST_CS
CRSTB
ARSTB
IR
HOST_CLK
KEY
1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG1
3
SEG1
4
SEG1
5
SEG1
6
SEG1
7
SEG1
8
SEG1
9
SEG2
0
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
KEY
4
KEY
3
KEY
2
KEY
1
VFD_STB
VFD_CLKO
VFD_DATA
SEG1
KEY
2
KEY
3
KEY
4
SEG1
SEG2
SEG3
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG1
0
SEG1
1
SEG1
2
SEG1
3
SEG1
4
SEG1
5
SEG1
6
SEG1
7
SEG1
8
SEG1
9
SEG2
0
IR
OPEN_SW
POWER_SW
VFD_STB
IR
VFD_CLKO
VFD_DATA
POWER_LED
+5VD
-26V
+5VD
+5VALL
FLT+
FLT-
FLT+
-26V
FLT-
+5VALL
+5VALL
+5VALL
+5VALL
+5VD
+5VD
U3
DVD VFD
1
2
5
6
7
8
9
10
11
12
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
46
47
F1
F1
8G
7G
6G
5G
4G
3G
2G
1G
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
F2
F2
C8
104
U1
uPD16311
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
SW1
SW2
SW3
SW4
DOUT
DIN
IC
CLK
STB
KEY1
KEY2
KEY3
KEY4
VDD
SEG1/KS1
SEG2/KS2
SEG3/KS3
SEG4/KS4
SEG5/KS5
SEG6/KS6
SEG7/KS7
SEG8/KS8
SEG9/KS9
SEG10/KS10
SEG11/KS11
SEG12/KS12
SEG13/G
RID16
SEG14/G
RID15
SEG15/G
RID14
SEG16/G
RID13
SEG17/G
RID12
SEG18/G
RID11
VDD
VEE
SEG19/G
RID10
SEG20/GRID9
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
VDD
LED5
LED4
LED3
LED2
LED1
VSS
OSC
C1
104
+
CE2
10/16
L2
FB
C6
104
CON2
TO P. 2-8
POWER
SUPPLY
1
2
3
4
5
FLT+
FLT-
DGND
-26V
+5VD
U2
TSOP1838
IR RECEIVER
1
2
3
OUT
GND
VCC
SW4
MENU
SW8
SKIP+
C5
104/50
C3
104/50
R9
3.3K
SW6
DISPLAY
+
CE3
10/50
SW3
STOP
SW12
PLAY/SELECT
SW11
FF
Q1
KRC107M
SW10
FR
L1
FB
10K
10K
10K
SW2
OPEN/CLOSE
SW5
STEP
R8
10K
SW9
SKIP-
CON1
TO P. 2-11
CHASSIS
BOARD
1
2
4
7
8
9
5
11
3
10
6
IR
GND_D
+5V_ALL
VFD_STB
VFD_CLKO
VFD_DATA
OPEN_SW
POWER_SW
GND_D
POWER_LED
RCU_LED
R3
10K
SW1
POWER
10K
D5
1N4148
D3
1N4148
D2
POWER LED(RED)
D4
1N4148
C4
104
R1
330
R12
56K
+
CE1
10/16
C7
104
R7
R6
R5
R4
Bedieneinheit / Keyboard Control Unit
Chassisplatte – Steuereinheit / Chassis Board – Control Unit