Grundig VIVANCE GV 3042 NIC, Руководство по обслуживанию

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Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams GV 30…, GV 50…
4 - 4 GRUNDIG Service
Blockschaltplan / Block Circuit Diagram – Digital / Servo
OPTION
TO VA-A
SHORT TEST SHORT TEST
90
TO AD-6
Q3103~Q3105
TO TB-1
5
REMOCON
19
TVREM OFF
MUTE
AMP
8PIN REMOCON
JK231
SAT CON
13
SAT OUT
Q3111
AV2 DET
28
QSOUND H
35
QSOUND H
45
QSOUND SUPER QSOUND SUPER
43
VSTEREO H VSTEREO H
TO TB-1
MEGALOGIC
MEGALOGIC IN 2
MEGALOGIC OUT
94
SWITCH
Q3102
81
FSS IN
TO TB-1
FSS IN
TO VA-A
SUPER IMP H
INT SYNC H
MUTE
59
58
4.43M
Q3110
Q3109
Q3108
Q3107
VD IN(FILTER)
VD IN
50
49
IC307
TO VA-A
VD (OSD IN)
SW
FILTER
BPF
VD (OSD OUT)
47
VD OUT
MUTE & BUF
DATA
CLK
57
TN DATA
56
TN CLK
1
o
SEG
2
p
SEG
C SYNC C SYNC
46
OPTION
OPTION
S CLK
1 S DATA
20
SIG DET
14 13
7
PROCESSOR
SOUND
8
AMP
Q6301
SEP ADJ
VR631
7
1
TU R
TU L
TO VA-A
TO AD-A,VA-A
I2C DATA
I2C CLK
SIF OUT
TU601
22
22
TU AD MUTE
Q6051
BUF
Q6803
S CLK
I2C S DATA
30
29
TO AD-A
TU R OUT
TU L OUT
2
1
DEMODULATOR
TV SOUND
25
32
HANPA/ZENPA
DPC MIN H
61
DPC MIN H
54
FSC FSC IN
Q3030
Q3031
WAVEFORM SHAPE
WAVEFORM SHAPE
91
NORM A CTL NORM A CTL
63
ALTOFF H ALTOFF H
60
REC H REC H
V OUT CV
A OUT CV
6
2
AIN
VIN
87
19
TU SW1
SW1
86
SW2
20
TU SW2
83
AFT C
POWER SAVE CONTROL
97
(TO PW-A)
PS CTL
Q3020,Q3021
POWER DOWN DET
S DATA
S CLK
3
5
VD IN(TU)
AD IN(TU NOR)
12
S DATA
(TU/IF BLOCK)
AFT
23
PLL CLK,S CLK
PLL DATA,S DATA
11
S CLK
IN
ANT
24
21
V.OUT
A.OUT
I2C CLK
15
16
14
27
FLD DATA IN
FLD DATA OUT
FLD CLK
FLD CS
AND KEY SCAN
FLD DRIVE
p
a
SEG
SEG
a ~ p
SEGMENT
GRID
G1 ~ G9
(KEY SCAN)
KEY IN 0 ~ KEY IN 3
KEY-MATRIX
OPERATION
A3701
(FLD)
DISPLAY
29
31
44
15
6
26
n
SEG
a
SEG
KEY IN 3
KEY IN 0
G9
G1
FLD DO
FLD DI
FLD CK
FLD CS
25
24
23
22
SENSOR
REEL
SUPPLY
4
S REEL P.
SW DATA 1
11
TO IC141(VPS/PDC)
I2C DATA
I2C CLK
17
18
I2C DATA
5
REMOCON
RR371
RECEIVER
IR REMOTE CONTROL
AD MUTE
IC305
EEPROM
78
AD MUTE
ALWAYS 5V
TO VA-A, AD-A
62
44
YCA MUTE
PB L
YCA MUTE
PB L
14.32MHz
X3001
OSCO
OSCI
37
38
XO
XI
SW DATA 2
SW DATA 0
12
9
POWER CTL
10
(TO PW-A)
POWER CTL
POWER DOWN
T REEL P.
3
SENSOR
REEL
TAKE-UP
89
8
25
6
7
88
41
40
80
32KHZ
X3002
T.END.S
+SAFETY SW
FL START
RESET
FL START SW/
TAPE TOP SENSOR
TAPE END SENSOR
TAPE END LED
SWITCH
ERASE PREVENTION
MODE SWITCH
MECHANISM
SW
ROTARY
LOADING MOTOR
-
+
ML
2
10
3
4
-
+
MOTOR DRIVER
LOADING
RESET
INITIALIZE
T.TOP.S
ML-S
ML-D
~
~
~ ~
~ ~
~
IC301
(1/2)
MPU
SYSTEM CONTROL, OSD
TIMER, TUNING CONTROL
IC304
IC302
IC371
TN-6
TN-3
OPTION
IC681
IC632 IC631
3 IN 1 TUNER
TM-A