Grundig Fine Arts M 100-A Servicehandbuch Seite 22

Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Bedienteil M 100-R / Control Board M 100-R
+5V
W-D0612
12
11
CE
10
DATAOUT
9
CL
8
DATAIN
7
SEARCHLV
6
FIELDSTG
5
STEREO
4
MUTE
3
ANT/CABL
2
RDSCLK
1
RDSDATA
P8C
+12V
+5V
P6C
1
RC_BUS
MOT+ (Vol >:5V, Vol < 0V)
MOT- (Vol < 5V, Vol > 0V)
R708
DEF
DEFEAT
4K7
LOUDNESS
R709
LDN
AMPMUTE
4K7
GND
+5V
F720
4MHz
8602-331-086
VUP
5V
+5V L720
22UH
+5V
T753
BC548B
R759
3K3
+5V
V1
R757
BC558B
VLED+ T752
150R
V11
V2
V12
VOLUME LED BOARD
59451-456.94
P2C
GND
R731
TH
THIN
22K
CE
DATAOUT
CL
SPA (on: 5V)
SPB (on: 5V)
GND
3 - 16
M 100-A / M 100-R
D702
-VEE (-32V)
5V1C
R702 R703
47R 47R
DIS700
FV641G
59740-019.00
GRIDS SEGMENTS
QR QS
QM 4K7
R728
GND
-VEE
31 29 28 30 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
-32V
74
73
76
32
75
27
RST
77 26 11 10 9 8 78 79 7 6 5 22 21 80
VOL
+5V
+5V
RC
R754
+5V
47K
BC558B
T750
T751
BC548B
R755 M- M+
R752
RC_BUS
10K
47K
+5V
T780Æ T782
BC328-25 BC328-25
MOT- (Vol < 5V, Vol > 0V) R784 R785
1K 1K
TO PAGE 3-11
MOT+ (Vol >:5V, Vol < 0V)
T781 T783
BC338-25 BC338-25
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
+5V
IR770
59852-001.00
F2
5
VDD
F1
4
OUT
GND
3
GND
2
+5V
1
-VEE (-32V)
J713 J703
DISPLAY BOARD
59451-457.94
RDSCLK
57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 23
20
IC720 24 PD
M38172M4-164FP 14
(MASK NUMBER)
15
8305-208-443
33 34 35 36 37 38 39 40 13 12 4 17 18 25 19 16 3 2 1
THIN
R750
47K
STDBY
KEY2
R760
0.35V R732
VUP
5V
2K2
22K
T760
BC548B
+5V
T761
BC548B
R791
T790
BC558B
10K
SPA
+5V
R794
T791
10K BC558B
SPB
3 - 17
GND
3,92VAC -VEE (-32V)
F2
F1
GND
STDBY
IR
+5V +5V
+5V
PD
GND
P0P P0C
P7C
0,7V R701
5V
22K
T700
BC548B
GND
POWER LED BOARD
59451-455.94
CONTROL BOARD
59451-455.94
VUP
IR
5V
VUP
5V
MEMORY
8305-602-405
S701
8
VCC
5
BAND
SDA IC710
7
TEST
6
SCL X24C04
S702
A0 A1 A2 VSS
1 2 3 4
TUNING-
S703
TUNING+
S704
KEY1
SPEAKERS
IR
S705
DIRECT
S706
LOUDNESS
VUP
S707
5V
MONITOR
S708
IF/MONO
SOURCE
S710
S709
CANCEL
S711
STATION-
S712
03.06.96
STATION+
S713
M 100-A / M 100-R
GRUNDIG Service