Werbung
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams / Circuits imprimés et schémas électriques
Schaltplan Signalteil / Circuit Diagram Signal Section / Schéma de l'étage de traitement du signal
L
LNB-Umschaltung / LNB Switch-O ver / Commutation LNB
D300
R300
1R3
1N4007
1/4W
2% MF
N
+21V
R301
Q300
2K2
R302
5%
R320
N
+26V
4K7
5%
4K7
5%
R304
Q301
470R
5%
BC857
GND
R305
R309
33K
5%
470R
Q303
1/2W
BC847
5%
+5V
CFR
P
LNB_OFF
R310
470R
R321
R322
R323
1/2W
10K
33K
10K
R307
5%
5%
5%
5%
47K
5%
CFR
P
LNB_SENSE
Q306
Q304
R319
BC847
BC847
4K7
5%
P
Q302
H/V
BC847
C306
10uF
R318
R308
R324
20%
10K
10K
33K
16V
5%
5%
5%
IR1
T
SAT-Tuner
TUN100
TAB_TUN
LNB1
LNB2
1
2
3
4
5
6
7
8
LK101
SINGLE_LNB
L
LNB_POWER
Q100
ZTX712
R108
DUAL_LNB
4K7
5%
ZETEX
DUAL_LNB
R100
R102
2K2
5%
3K3
5%
DUAL_LNB
DUAL_LNB
Q101
ZTX712
DUAL_LNB
ZETEX
Q103
BC847
DUAL_LNB
R101
R104
R106
2K2
5%
3K3
5%
82K
5%
DUAL_LNB
DUAL_LNB
DUAL_LNB
R107
Q102
10K
BC847
5%
DUAL_LNB
DUAL_LNB
GND
O
OSD
+5V
L501
Q503
IC501
39uH
LK505
BC847
M35011
L502
15uH
10%
MITSUBISHI
5%
LAL04
LHL08
1
OSC1
Vdd
T.Y.
1
T.Y.
2
OSC2
VSYNC
B
NF
3
TV_VIDO
P
C532
C533
OSD_CS
CS
HSYNC
4
P
R533
33pF
33pF
OSD_SCK
SCK
OSCIN
75R
50V
50V
5
C525
10uF
P
OSD_SDA
SDA
OSCOUT
5%
5%
5%
20%
16V
6
P
COG
COG
OSD_RESET
AC
P3
M
MOD_VIDO
7
Vdd
P2
R532
75R
8
2
CVIDEO
P1
5%
9
LECHA
P0
C530
C531
10
D508
CVIN
Vss
10uF
10nF
R534
D505
BAV99
16V
50V
75R
BZX79C4V7
20%
10%
5%
X7R
ZENER
+5V
GND
R409
R458
D401
10K
R412
1K
1N4148
5%
4K7
5%
5%
P
NO_SYNC
R414
270K
5%
R410
R415
R454
D406
Q402
270K
22K
10K
BAV99
BC847
5%
5%
5%
Q403
BC847
P
PK_SYNC
C452
C408
10nF
R457
R411
1uF
R416
6
50V
180K
180K
50V
10K
10%
5%
5%
20%
5%
X7R
11
STR 641 ..., STR 642 ...
IC300
SERVICE_POINT_2
1
D301
D302
LM317
1N4007
1N4007
IN
OUT
T
LNB_POWER
1
3
C305
100nF
R313
2
ADJ
50V
3
221R
10%
1%
C303
100nF
R316
X7R
50V
10%
X7R
10K
5%
P
22KHZ
R311
R325
C304
C300
2.4K
4K7
100nF
2.7nF
1/4W
5%
50V
50V
1%
10%
10%
MF
X7R
X7R
GND
R312
C301
845R
10uF
1/4W
20%
1%
16V
MF
Q305
BC847
R314
22K
5%
P
V+
R315
D304
10K
1N4148
5%
GND
+29V_TUNER
+12V
+5V
L100
L102
R114
R115
LK102
18uH
39uH
4K7
4K7
5%
10%
5%
5%
LAL04
LHL08
9 10 11 12 13
T.Y.
T.Y.
C105
NF
470uF
25V
20%
SXT4000
P
SCL
P
SDA
R110
R116
270R
470R
5%
NF
B
5%
EXT_BB_VID
R111
L101
270R
5%
4.7uH
5%
Q105
C103
BC847
100pF
50V
LAL04
5%
COG
T.Y.
Q104
S
FM_AUD
BC857
C101
68pF
R112
50V
100R
C100
C104
10uF
1
SERVICE_POINT_1
5%
5%
47pF
20%
16V
COG
50V
S
BB_VID
5%
COG
R113
C102
NF
330R
2200uF
5%
20%
16V
IC501
10
Pin
V
1
2.4
2
2.4
3
2.5
C534
R530
10nF
4
3.6
1K8
50V
5
0.6
5%
10%
20
6
5.0
X7R
19
R535
???
7
5.0
5%
18
8
2.1
17
NF
9
3.3
16
10
2.7
XT501
HC49U
15
17.73442MHz
11
-
14
U
TV_PIN8
12
-
1
2
13
U
TV_16:9
13
-
12
C535
C536
14
-
R531
12pF
12pF
11
CSYNC
3K3
50V
50V
15
-
5%
5%
5%
16
2.3
COG
COG
R546
17
2.3
100R
5%
18
4.7
S
S1VIDO
19
0.5
20
5.0
SERVICE_POINT_6
1
+12V
11
C409
SERVICE_POINT_4
R417
10uF
2K2
20%
5%
16V
R420
100R
5%
Q405
BC847
B
5
AUX2_VIDO
Sync-Abtrennung /
D407
1N4148
Sync Separator /
R460
2K2
5%
Sync séparation
Q404
BC847
C453
R459
470pF
R419
56R
50V
470R
5%
10%
5%
X7R
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams / Circuits imprimés et schémas électriques
P
Steuer-Prozessor / Control Processor / Processeur de commande
+5V
R617
R618
R619
R621
R622
R623
1
L
10K
10K
10K
10K
10K
10K
LNB_SENSE
PA7
2
5%
5%
5%
5%
5%
5%
N
+5V
AVcc
3
B
AUX2_P8I
PO0/AN0
B
4
AUX1_P8I
PO1/AN1
LK603
INDEX
INDEX
5
PO2/AN2
LK604
CONTRAST
CONTRAST
6
PO3/AN3
LK605
VID-INV
VID-INV
7
PO4/AN4
LK606
RADIO
RADIO
8
PO5/AN5
LK607
16:9
16:9
9
PO6/AN6
LK608
PANDA
PANDA
10
PO7/AN7
11
AVss
12
C601
2
XT601
TEST
???
13
32.768KHz
X2
+5V
NF
NF
14
X1
C602
???
1
15
NF
Vss
R627
R628
16
4K7
4K7
OSC1
17
5%
5%
OSC2
18
RES
19
I
IR
P1-0/
IRQ0
20
B
FAC-CLK
P1-1/
IRQ1
21
B
FAC-DATA
P1-2/
IRQ2
LK609
NF
22
P1-3/
IRQ3
LK610
NF
23
R624
0R
P1-4/
IRQ4
2
GND
24
L
XT602
22KHZ
P1-5/
IRQ5
Q601
8MHz
25
O
BC847
R602
NO_SYNC
P1-6/
EVENT
HC49U
26
D601
100R
5%
1
O
R601
PK_SYNC
P1-7
1N4148
27
10K
N
STBY
P2-7
5%
28
O
OSD_RESET
P2-6
29
O
OSD_SDA
P2-5
R603
R604
30
O
OSD_SCK
P2-4
4K7
5%
1M
5%
31
S
8
O
INT_CLK
OSD_CS
P2-3
32
P2-2
C604
C603
C605
12pF
12pF
R605
20%
50V
50V
1K
10uF
R616
220R
5%
5%
5%
16V
5%
COG
COG
SERVICE_POINT_11
1
S
+12V
C401
220nF
R401
R403
50V
10%
X7R
10K
5%
27K
C403
1nF
50V
10%
X7R
NRS
Q401
BC857
R402
R404
1K5
5%
3K3
C402
1.5nF
50V
10%
X7R
+12V
GND
R455
100R
Q406
5%
AUX1
BC847
AUX1
R466
5K1
B
5%
D2MAC
AUX1_VIDO
C461
R465
R464
39pF
15K
10K
50V
5%
5%
5%
D2MAC
D2MAC
COG
SERVICE_POINT_3
C460
D2MAC
10uF
20%
16V
D2MAC
FILT_VID
C454
R426
10nF
5K1
5%
50V
10%
C411
X7R
R425
100pF
1K5
R421
R427
R428
R423
50V
C455
C415
5%
470R
470R
3K3
10K
5%
10nF
10nF
5%
C410
5%
5%
5%
COG
50V
50V
AUX1
10uF
10%
10%
20%
X7R
X7R
16V
C416
1
GND
100pF
50V
5%
COG
C420
R422
C417
56pF
50V
C422
12pF
50V
470R
100pF
50V
5%
COG
COG
5%
5%
5%
COG
Q407
L401
12uH
L402
18uH
BC847
T
FM_AUD
R456
5%
LAL04
5%
LAL04
470R
5%
T.Y.
T.Y.
R430
470R
5%
C418
C419
C421
C423
12pF
R429
R461
56pF
100pF
68pF
50V
470R
100R
50V
50V
50V
5%
5%
5%
5%
5%
5%
COG
COG
COG
COG
GND
12
IC600
+5V
H8/3614
HITACHI
R606
R607
R608
R620
64
4K7
4K7
4K7
L
PA6
H/V
10K
5%
5%
5%
63
L
5%
PA5
LNB_OFF
7SEG
7SEG
7SEG
62
L
PA4
V+
61
D
PA3
UP
CLEAR
60
D
D
PA2
DOWN
STROBE_U
59
D
R609
D
PA1
STBY_BUT
STROBE_T
58
680R
R610
D
PA0
STROBE_H
5%
57
680R
P9-7/UD
CMD_MUTE
7SEG
5%
56
P
R611
P9-6/SO2
MECH_POL
7SEG
Q602
55
680R
P9-5/SI2/
CS
AUTH
BC857
5%
54
D
7SEG
P9-4/SCK2
MODE
7SEG
Q603
53
P9-3/SO1
BC857
52
7SEG
P9-2/SI1
Q604
51
P9-1/SCK1
BC857
50
P
7SEG
P9-0/PWM
MAG_POL
PL601
49
D
P8-7
SEG-DP
NF
48
D
P
P8-6
SEG-A
MECH_POL
1
47
D
P
P8-5
SEG-B
MAG_POL
2
46
D
P
P8-4
SEG-F
SDA
3
45
D
P
P8-3
SEG-G
SCL
4
44
D
P8-2
SEG-C
GND
5
43
D
N
P8-1
SEG-D
+5V
6
+5V
42
D
P8-0
SEG-E
7
41
N
/TMOE
Vcc
+12V
8
40
C606
C607
P4-0
PL602
10nF
10uF
39
P4-1
50V
16V
NF
38
10%
20%
P4-2
1
37
X7R
EXT_SDA
P4-3
2
36
EXT_SCL
P4-4
3
35
EXT_EN
4
P4-5
34
P2-0
R612
33
220R
5%
P2-1
P
B
SDA
R613
220R
5%
P
B
SCL
E
LSDA
GND
Signalverarbeitung / Signal Processing / Traitement du signal
5%
R463
3K9
IC400
5%
STV0056A
R405
R406
1
5%
47K
1M
FC R
A GND R
5%
5%
2
PK IN R
FC L
C404
C405
3
1.5nF
100nF
LEVEL R
PK IN L
50V
50V
10%
10%
4
S1 VID RTN
LEVEL L
B
X7R
X7R
AUX2_VIDI
5
S3 VID RTN
PK OUT L
VC_VIDO
6
VOL R
PK OUT R
B
TV_AUDOR
7
S3 VID OUT
I ref
VCRYPTIN
8
O
S1 VID OUT
CPUMP R
S1VIDO
9
S2 VID OUT
U75 R
10
B
VOL L
DET R
TV_AUDOL
11
B
AUX1_VIDI
S2 VID RTN
AMPLK R
12
B
AUX1_AUDOL
S2 OUT L
A 12V
13
CLAMP IN
V ref
14
B
S2 OUT R
A GND L
AUX1_AUDOR
15
UNCL DEEM
AGC R
16
VIDEEM2
VIDEEM2/22KHz
AMPLK L
+12V
17
V 12V
U75 L
18
VIDEEM1
C444
C445
VIDEEM1
DET L
100uF
10nF
19
16V
50V
V GND
CPUMP L
20%
10%
20
X7R
T
B-BAND IN
GND 5V
BB_VID
21
B
S2 RTN L
Vdd 5V
AUX1_AUDIL
22
B
S2 RTN R
XTL
R424
AUX1_AUDIR
C413
23
470R
5%
HA
( 0056A J17L )
FM IN
50V
10nF
24
S3 RTN L
J17 R
X7R
10%
B
L403
AUX2_AUDIL
27uH
25
B
5%
AUX2_AUDIR
S3 RTN R
( 0056A HA )
J17 L
LAL04
26
T.Y.
AGC L
SDA
27
B
S3 OUT L
SCL
AUX2_AUDOL
28
B
S3 OUT R
I/O/22KHz
AUX2_AUDOR
C412
C414
R431
47pF
100nF
VID-MUTE
1K
50V
50V
5%
5%
10%
COG
X7R
STR 641 ..., STR 642 ...
B
Scart
PL500
TAB_PHONO
5
4
LEFT
3
R529
470R
5%
RIGHT
2
1
GND
B
BLANK
B
RED
R520
100R
5%
P
FAC-DATA
B
GREEN
P
FAC-CLK
R521
100R
5%
B
BLUE
T
S
E
M
T
S
E
M
ZENER
ZENER
D506
D507
BZX79C4V7
BZX79C4V7
GND
R433
27K
5%
R462
3K9
5%
R434
R407
R408
56
3K3
5%
47K
1M
5%
5%
55
C406
C407
54
1.5nF
100nF
50V
50V
53
10%
10%
X7R
X7R
52
51
50
R436
C427
10uF
49
47.5K
1%
48
1/4W
20%
16V
MF
47
46
+12V
45
C447
100uF
C430
16V
20%
2.7nF
44
R439
50V
27K
2
10%
43
5%
X7R
C446
10nF
50V
42
41
10%
X7R
40
C442
C
100nF
+5V
R442
10
39
10%
560K
50V
C436
10uF
5%
5
38
X7R
X
37
20%
16V
C448
100uF
36
35
20%
16V
INT_CLK
34
C449
???
NF
C443
1nF
10%
33
50V
X7R
32
LK401
0056
C440
10nF
C441
10
LK402
0056a
10%
50V
X7R
10%
50V
31
LK403
0056
30
LK404
0056a
R450
R451
R452
29
39K
4K7
39K
5%
5%
5%
C450
C451
47pF
47pF
R449
330R
5%
5%
5%
50V
50V
COG
COG
GRUNDIG Service
Werbung
