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Grundig GV 94 HiFi Bedienungsanleitung Seite 27

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GV 94
Blockschaltplan / Block Circuit Diagram – Digital
Q3009,Q3010
ALWAYS 5V
POWER DOWN DET
PS CTL
(TO PW-A)
POWER CTL
(TO PW-A)
IC305
INITIALIZE
RESET
IC302
+
10
4
+
LOADING
LOADING MOTOR
ML
MOTOR DRIVER
2
3
-
-
MECHANISM
ROTARY
MODE SWITCH
SW
Q3008
WAFEFORM SHAPE
TAKE-UP
REEL
SENSOR
Q3007
WAFEFORM SHAPE
REEL
SUPPLY
SENSOR
TAPE TOP SENSOR
TAPE END LED
TAPE END SENSOR
FL START SW/
ERASE PREVENTION
SWITCH
RR701
IR REMOTE CONTROL
RECEIVER
KEY IN 0 ~ KEY IN 3
26
KEY IN 0
OPERATION
29
KEY IN 3
KEY-MATRIX
B ~ K (KEY SCAN)
IC701
SEG A
(TM-1 BOARD)
SEG L
31
SEG A
5
22
DISPLAY
42
SEG L
NCS
SEGMENT
23
(FLD)
SCK
G1 ~G9
6
G1
24
SDI
25
GRID
15
G9
SDO
HEATER+
FLD DRIVE
AND KEY SCAN
3 IN 1 TUNER
(TU/IF BLOCK)
ANT
2
AIN
A OUT CV
6
VIN
V OUT CV
19
IN
SW1
20
5
SW2
S CLK
3
S DATA
23
AFT
22
SIF IN
IF
(GV29) 10
21
11
A.OUT
TU AUDIO NORM (TO AD-A)
S CLK
24
S DATA
V.OUT
VIDEO OUT(TO VA-A)
(GV29) 11
12
Q3302
Q3301
GV94NICAM
GRUNDIG Service
80
37
POWER DOWN
OSCO
X3002
97
14.32MHz
38
POWER SAVE CONTROL
OSCI
40
10
XI
POWER CTL
X3001
32KHZ
41
XO
25
RESET
6
ML-D
7
ML-S
54
FSC
FSC
9
SW DATA 0
63
ALTOFF H
ALTOFF H
11
60
SW DATA 1
12
REC H
REC H
SW DATA 2
44
PB L
PB L
91
NORM A CTL
NORM A CTL
3
T REEL P.
62
YCA MUTE
YCA MUTE
78
A MUTE
A MUTE
Q3061
4
Q3062
S REEL P.
49
Q3065
VD IN
BUF
OSD SIG IN
50
88
VD IN FIL
T.TOP.S
47
VD OUT
OSD SIG OUT
89
T.END.S
TO TB-1
YCA CLK
8
FL START
YCA DATA
+SAFETY SW
I2C CLK
I2C DATA
5
REMOCON
18
PLL CLK,S CLK
I2C CLK
17
PLL DATA,S DATA
I2C DATA
CH+ CLK
IC301
MPU
(1/2)
CH+ DATA
SYSTEM CONTROL, OSD
TIMER, TUNING CONTROL
(GV29)
27
(GV9...)
FLD CS
14
FLD CLK
16
IC304
FLD DATA OUT
15
FLD DATA IN
I2C ROM
87
TU SW1
86
TU SW2
22
TUNER A MUTE
TN CLK
56
83
57
AFT C
TN DATA
AMP
1
7
8
8
1
SDA
SIF DET
SOUND
PROCESSOR
Q6311
7
20
SCLK
VR631
SEP ADJ
14
13
TU L
T O AD-A
TU R
GV94HIFI
Q6803
GV94NIC
25
BUF
MTS&NICAM
1
TU L OUT
DECODER
30
I2C S DATA
T O AD-A
2
29
S CLK
TU R OUT
GV 94
IC301
(1/2)
SERVO
(MN101D01)
84
85
TRACKING
TO VA-A
CTL
AD-A
REC CTL
DRIVER
74
CTL+
75
WAVEFORM
SHAPER
CTL-
TO VA-A
TO SY-A
Vref
70
TAPE SPEED
DET
PLAY
68
CFG
REC
67
F-DIVIDER
TO TC-A
WAVEFORM
SHAPER
66
DPG IN
65
DFG IN
DRUM
SPEED CTL
50
SYNC SEP
C SYNC
GRUNDIG Service
Reference
Oscillograms....4-14
AD-A................4-27
CP-1 ................4-11
MC-A ...............4-19
ONLY GV900/9300
100
24
CTL-
V LOCK P
CTL+
99
H AMP SW
H.A.SW
ROTARY
98
ROTARY
20
MC FR
23
RF SWP
30
AF SW
AF SWP
DUMMY
V
CAP
PHASE CTL
33
L.P.F
+
D/A CONVERTER
CAP
SPEED CTL
DRUM
RF SW
PHASE CTL
34
L.P.F
+
D/A CONVERTER
PW-A ...............4-17
TM-A................4-23
TN-3 ................4-31
SY-A ................4-18
TB-1.................4-29
TN-6 ................4-32
TC-A ................4-22
VA-A ................4-25
TM-1 ................4-22
VD(TO MCOM)
ENV DET
QVD
TO
RF SWP
VA-A
ENV SW
H AMP SW
ROTARY
CTL HEAD
-
+
MC-FR
C-FG
CAPSTAN
MOTOR
MECHANISM
D-FG
D-PG
HEAD
DRUM
MOTOR

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Diese Anleitung auch für:

Gv 94 nicG.mh 2600G.mh 2700

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