Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
TVR 37…FR, TVR 51…FR, TVR 55…FR
Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
TVR 37…FR, TVR 51…FR, TVR 55 …FR
17
GRUNDIG Service
18
GRUNDIG Service
Etage de traitement du signal – Etage FI EURO 2 / Signal Chassis – Frontend 2 (TU2)
AGC2
2
3
1,6V
2,3V
2,7V
2,7V
2,7V
1,9V
1,9V
2V
2V
2V
4,8V
4,9V
4,9V
0V
2,4V
2,3V
2,4V
2V
2,4V
3,6V
65mV
3,6V
2,8V
2,8V
2,8V
0V
2,5V
2,5V
2,5V
65mV
3,2V
3,2V
2,5V
0V
1,9V
4,9V
0V
3V
1V
1,5V
3,3V
3,3V
1
0V
0V
2V
2V
12V
5u6
120E
180E
270E
15uH
5u6
15uH
5307
2300, 2307, 2317, 2320, 2325, 3318, 3323, 3332, 3346, 4031, 4034, 4037, 4040, 4042, 4303, 4306, 9000
2306, 3319, 3345, 4033, 4035, 4036, 4038, 4041, 4043, 4301, 4302, 4304, 4305, 4307
for TDA 9812 only:
for TDA 9800 only:
L = PAL, SEC L
H = SEC L'
PAL-BG/SEC-DK
PAL-BG/SEC-L
PAL-I
PAL-BG
3339
7300
TDA9800T
TDA9800T
/59
BP 6,5MHz
BP 5,5MHz
TRAP 5,5/6,5MHz
UV916S/PH
1346
BP 6,0MHz
TRAP 6,0MHz
J1952M
U944C
/05
1345
1340
G1966M
1320
UV916S/PH
UV916S/PH
*
Pos.
VERSION
/01
/39
1301
TRAP 5,5MHz
TRAP 5,5/6,0MHz
BP 5,5MHz
BP 5,5MHz
7301
TDA9812T
270E
G1966M
TDA9800T
4039
0E
4044
0E
0E
BP 6,0MHz
G1965M
4k7
22k
4k7
3322
4k7
16V
2,7V
0V
2V
2,4V
0V
only
for U944C
not used
not used
*
*
*
*
from DE
for MSTD only
delete for MSTD
not used
for MSTD only
*
*
*
FOR TUNER2 ONLY
for U944C only
for MSTD only
delete for MSTD
from AL
from TV
from TV
*
*
*
for MSTD only
not used
not used
*
*
from CO
from CO
*
delete
AFC2
*
delete for MSTD
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
from CO
to DE
to IO
to IO
from CO
to/from CO
for MSTD only
for MSTD or SEC-DK
*
*
*
*
*
delete for MSTD
for MSTD only
delete for MSTD
*
delete
for SEC-DK
or MSTD only
delete for MSTD
for SEC-DK only
H = B/G
L = D/K or MSTD
H = PAL
L = SECAM
40,4MHz-TRAP
for U944C
*
*
*
*
TDA9800: PHASE
TDA9812: L'-ADJ2
not used
for U944C only
for SEC-DK
and pal-i only
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
2
18
19
20
21
22
3
H
G
F
K
E
D
C
B
A
J
I
H
G
F
K
E
D
C
B
A
J
I
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
2
18
19
20
21
22
3
BA792
6301
BA792
6300
BA792
6302
DTC124EK
7311
DTC124EK
7308
DTC124EK
7306
DTC124EK
7307
BC847B
7309
BC847B
7304
BF570
7313
7310
BC847B
3338
3k3
3316
470E
3317
470E
4305
0E
4301
0E
3332
5k6
3307
3347
100E
4032
0E
3348
330E
3315
4k7
3313
4k7
4039
0E
4306
0E
3303
6k8
3346
680E
3345
680E
4038
0E
3319
390E
4042
0E
4043
0E
4037
0E
4300
0E
3339
3318
180E
3320
18k
3321
18k
3323
5k6
4307
0E
3326
2k2
3327
1k2
3325
680k
4034
0E
4040
0E
4033
0E
4036
0E
4035
0E
3302
27k
3301
8k2
3300
1k
3305
100E
3304
100E
4031
0E
3312
4k7
3324
4k7
3340
680E
4041
0E
4020
0E
4030
0E
4044
0E
3342
1k
3349
3k3
3343
4k7
3350
3k3
3344
3k3
3351
3k3
4303
0E
4304
0E
4302
0E
5p6
2327
2314
2313
100n
2323
2329
2330
120p
2328
220p
2332
1n
2304
2317
10n
100n
2306
8p2
2308
220n
2307
100n
2325
100n
2321
100n
2309
2319
10n
100n
2302
50V
100n
2303
2318
220n
100n
2333
2315
220p
1n
2331
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
GNDT
1344
1
2
3
1346
1
2
3
1345
1
2
3
3306
22k
3329
1u
5305
EL0606
1u
5301
EL0405
5307
6u8
5304
6u8
5300
5TS1
5TS2
5TS1
5TS
5TS2
5TS2
5TS
5TS1
+12A
+12A
+33V
+33V
5TS
+12A
+12A
5TS2
5TS2
5TS1
9000
1501
TUNERCABLE
MTA
SDA2
SCL2
PSS2
MNT2
SB1_2
AFC2
VFV2
AFV2
1320
5
4
1
2
3
1322
L9453M
5
4
1
2
3
1324
L9360M
5
4
1
2
3
41859
5302
1
2
34
6
42518
5303
1
2
3
4
6
4053BT
7312
2
1
1
5
10
S
Z
Y0
Y1
E
7312
13
12
14
11
4053BT
6
16
7
8
Vee
S
Z
Vss
Y0
Y1
Vdd
E
16V
47u
2311
50V
2320
2u2
50V
2u2
2300
50V
2u2
2324
16V
22u
2322
16V
10u
2301
16V
22u
2316
22k
3341
3322
1301
11
12
13
14
15
16
17
5
6
MT
III
U
I
U
III
III
U
I
I
CL
RF
CS
VCC1
AGC
DA
VCC2
IF
AMP
BPF
MIX
VCO
MIX
VCO
AGC
AGC
PLL
BPF
BPF
7301
TDA9812T
2
1
12
25
21
22
20
19
24
17
16
15
14
13
11
10
8
7
6
5
4
3
23
18
26
28
27
9
MIXER
INTERCARRIER
AM DEMODULATOR
SIF AGC
SIF AMP.
1340
1
3
2
TDA9800T/V3
7300
12
2
1
15
6
18
7
10
11
13
14
16
17
19
20
3
4
5
8
9
DETECTOR
VIDEO
VCO
WAVE
IF
AGC
DIVIDER
DETECTOR
TRAVELING
DETECTOR
FREQUENCY
AND PHASE
DEMODULATOR
AGC
TUNER
AGC
8p2
BUFFER AND
CLIPPING
NOISE
AFC
AMPLIFIER
VIDEO
AMPLIFIER
FM-PLL
AF
VIF AMP
IRV
1340 K14
1324 G 9
1322 D 9
1320 F 8
1301 G 4
2300 C11
1501 I 1
1346 I15
1345 J15
1344 K15
2306 C11
2304 D 7
2303 J 3
2302 J 2
2301 F 1
2313 I15
2311 F 2
2309 B14
2308 C13
2307 B12
2318 D19
2317 F17
2316 E18
2315 J14
2314 J15
2323 I19
2322 J18
2321 J18
2320 G18
2319 D20
2329 G 5
2328 F 6
2327 H 6
2325 H13
2324 I12
3300 E 3
2333 F 1
2332 F 6
2331 G 7
2330 F 6
3305 J 2
3304 J 1
3303 E 4
3302 F 4
3301 E 4
3315 B 8
3313 B 6
3312 D 7
3307 F 7
3306 J 3
3320 B14
3319 C12
3318 B12
3317 J15
3316 I15
3325 D20
3324 D20
3323 E17
3322 B16
3321 B14
3338 J14
3332 H18
3329 G20
3327 D21
3326 C21
3343 G 8
3342 G 8
3341 I11
3340 J14
3339 J14
3348 I14
3347 F 5
3346 G10
3345 G10
3344 H 8
4030 F 9
4020 E 9
3351 I 8
3350 G 7
3349 G 7
4033 G17
4032 E 5
4031 E18
4035 I17
4034 G17
4040 H12
4039 H13
4038 H14
4037 H14
4036 H15
4300 H12
4044 J16
4043 H11
4042 H11
4041 K13
4305 G18
4304 C18
4303 B15
4302 C15
4301 H19
5302 G 5
5301 F 7
5300 J 2
4307 G18
4306 G19
6300 D 8
5307 K14
5305 F 7
5304 J18
5303 C13
6302 G 8
6301 D 8
7301 D15
7304 F 3
7300 E11
7310 G20
7309 D21
7308 C16
7307 C 8
7306 B 7
9000 G17
7313 H 8
7312 I16
7312 I13
7311 I20