Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
GV 29 EURO, GV 9300 EURO
Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
GV 29 EURO, GV 9300 EURO
4 - 3
GRUNDIG Service
4 - 4
GRUNDIG Service
Synoptique des circuits imprimés – Alimentation
Block Circuit Diagram – Power Supply
Start
SWD (PS) 37V
POWER CTL
SWD 5V(AD)
SWD 5V
SWD (PS) -23V
Life
Ground
HEATER -
CHASSIS
C5010
D5001
F5001
DELA
Y
CONTROL
OVERLOAD
AL
W
A
YS 5.8V (LED)
SWD (PS) 12V
SWD 9V
SWD (PS) 13V (MC)
(POWER SAVE) PS CTL
Overvoltage
Protection
SAVE MODE
Feed Back
CONTROL
IC501
IC51
1
D5013
D5019
D5012
D5016
D5015
Q5002
5
2
3
1
4
6
7
D5002
D5014
D5101
D5106
D5102
D5110
Q5103
Q5114
PR512
SWD (PS) 5V
Q5102
(PS) = Power Save
D5108
D
5
111
D5107
Q5101
Q5104
Q5120
Q5116
D5112
Q5115
Q5112
Q5111
D5103
R5110
D5104
R5120
Q5113
Q5110
D5115
D5109
D5116
D5105
PR511
SWD (PS) 13V
C5012
C5014/16
C5013
D501
1
6,8V
R5121
-23V
+13V
+5,8V
97
Low Power = H
Stand By; On = L
(Low Power) Stand By = L
On = H
POWER SAVE
LED
C3017
25
IR
RR701
Clock
Keyboard
DISPLA
Y
5
R5015
R5014
IC512
PR513
Q5117
ALWAYS 5V(2)
D5120
D5119
FLD DRIVE
KEY
SCAN
ALWAYS 5V (FL)
POWER DOWN
BACK UP 5V
RESET
ALWAYS 5V (IR)
ALWAYS
5V (IR)
ALWAYS 5V(FL)
IC 301
IC305
10
80
36; 42
System Controller
D5118
ALWAYS 5V(1)
6,2V
5,6V
ca.5.6V
5,6V
Q3010
Q3009
C3526
L3065
IC701
TM-A
SY-A
PW-A
33V
D3401
R3309
SY-A
Synoptique des circuits imprimés –
Numérique
Block Circuit Diagram – Digital
D5101
D5013
IC51
1
RESET
REMOCON
POWER
SAVE
Display
Keyboard
Remote
Control
RC
Power-Supply
Control
POWER DOWN
POWER
CTL
Clock / Date
T
imer
T
uning- & System Control
Key 0…3
IC301
5
97
36; 42
80
25
10
+13V
40
41
37
38
RR701
96
AV CTL
8
SWD (PS)12V
Q1008/1009
SEGt a…l (Anoden)
GRID 1…9 G
DIODE OPTION
D5102
PW-A
Back
Up
FLD DRIVE (IC701)
& KEY
SCAN
Euro-A
V 1
ALWAYS 5V (FL)
FLD DATA IN
FLD DATA OUT
FLD CLK
25
18
24
23
TM-A
15
16
14
27
22
FLD CS
ALWAYS 5V (IR)
ca. 6V
Q5120
Q5117
Q5116
9
M
MECHANISM
MODE
SWITCH
11
12
8
Lift
SAFETY/FL SW
D8001
D8002
D8003
89
88
3
4
Q3007
Q3008
PC802
PC801
TAPE END
TAPE START
SUPPLY
TAKE OFF
75
74
C-FG
C-VS
33
67
68
FG OUT
D-FG
D-PG
Drum Frequency Generator
Drum Phase Generator
Capstan Frequency Generator
Capstan Velocity Speed
65
66
CTL+
CTL-
20
MC-FR
Motor Control - Foreward / Reverse
34
D-VS
Drum Velocity Speed
D-VS
VLOCK / QVD
RF SWP
ENV DET (Autotrack)
YC AD MUTE
73
ALWAYS 5V (IR)
ALWAYS 5V (2)
OSD
SYNC
SEP
Seriell Interface
& I
2
C-Bus
VA-A
TC-A
IC141
VPS / PDC
Tuner
Modulator
IF-Amplifier
PLL-Demod.
SIF-Amplifier
FM-Demod.
SY-A
IC861
Video & Audio
I / O-Selector
(2 Euro-AV with
decoder only
MECHANISM
17
50
49
47
D1001
C SYNC
VA-A
EEPROM
IC304
18
25
26
8
Euro-A
V 2
FSS IN
LO-MOTOR -
8
6
(ML-S)
LO-MOTOR +
8/9
CTL
HEAD
(ML-D)
Y
/ C & audio processor
with CCD, with input- output
selector and headamplifier
IC101
MC-A
S8001
S8002
85
99
60
23
24
Drum Control
Head Control
Capstan Motor Driver
Drum
Motor
Driver
Deck Control
DATA
CLK
SWD (PS)13V; SWD 5V
SWD (PS)13V
SWD (PS)13V
Loading Motor Drive
IC302
CN352
CN201
CN801
CN351
IC5106
IC5120
IC51
18
SY-A
93
10
11
Q1007
FSC
66
Q1006
CCD
49
24
23
26
28
29
PB ENV (PB FM)
TP182
Q1010
VD (TO MCOM)
VD (from MC)
95
Q3062/3065
Q3061
REC H
30
28
(COIN)
62
74
SWD 5V
Capstan Control
2
10
3
4
1
H AMP SW
PB L
Q8604
Q8605
44
16
16
VD OUT (AV)
Q1012
Q1001 VD OUT (CV)
98
ROTARY
(NP/LP)
(Head Switch Pulse)
VD
(FROM MCOM)
Q1401
4
Ref
erence
Oscillograms
....
4-14
CP-1
................
4-1
1
PW
-A
...............
4-23
SY
-A
................
4-19
TB-1
.................
4-24
TM-1
................
4-18
TN-A
................
4-21
TM-A
................
4-18
V
A-A
................
4-21
