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TVR 37…, TVR 51…, TVR 55… Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
TVR 37…, TVR 51…, TVR 55… Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
0V
2V
2,4V
0V
2,7V
H = SEC L’
L = PAL, SEC L
3,3V
3,3V
1,5V
1V 3V 0V
4,9V
1,9V
0V
2,5V
3,2V
3,2V
65mV
2,5V
2,5V
2,8V 2,8V
2,8V
3,6V
65mV
3,6V
2,4V
2V
2,4V
2,3V
2,4V
0V
4,9V
4,9V
4,8V
2V 2V 2V
-6V
1,9V
1,9V
2,7V 2,7V
2,7V
2,3V
1,6V
3
2
not used
TDA9812: L’-ADJ2
TDA9800: PHASE
*
*
*
*
L = SECAM
H = PAL
for SEC-DK only
delete for MSTD
or MSTD only
for SEC-DK
delete
*
delete for MSTD
*
*
*
*
*
for MSTD or SEC-DK
D
only
to IO
to IO
to DE
from CO
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
delete for MSTD
*
AGC2
AFC2
*
from CO
*
*
for MSTD only
*
*
*
from TV from TVfrom AL
FOR TUNER2 ONLY
*
*
*
for MSTD only
from DE
*
*
*
*
not used
*
*
7300 E11
4034 G17
4033 G17
4032 E 5
4031 E18
4030 F 9
4020 E 9
3351 I 8
3350 G 7
3349 G 7
3348 I14
6302 G 8
3347 F 5
3346 G10
3345 G10
3344 H 8
3343 G 8
3342 G 8
3341 I11
3340 J14
3339 J14
3338 J14
6301 D 8
3332 H18
3329 G20
3327 D21
3326 C21
3325 D20
3324 D20
3323 E17
3322 B16
3321 B14
3320 B14
6300 D 8
3319 C12
3318 B12
3317 J15
3316 I15
3315 B 8
3313 B 6
3312 D 7
3310 J13
3307 F 7
3306 J 3
5307 K14
3305 J 2
3304 J 1
3303 E 4
3302 F 4
3301 E 4
3300 E 3
2333 F 1
2332 F 6
2331 G 7
2330 F 6
5305 F 7
2329 G 5
2328 F 6
2325 H13
2324 I12
2323 I19
2322 J18
2321 J18
2320 G18
2319 D20
2318 D19
5304 J18
2317 F17
2316 E18
2315 J14
2314 J15
2313 I15
2311 F 2
2309 B14
2308 C13
2307 B12
2306 C11
5303 C13
2304 D 7
2303 J 3
2302 J 2
2301 F 1
2300 C11
1501 I 1
1346 I15
1345 J15
1340 K14
1324 G 9
5302 G 5
1322 D 9
1320 F 8
1301 G 4
7304 F 3
5301 F 7
5300 J 2
4307 G18
4306 G19
4305 G18
4304 C18
4303 B15
4302 C15
4301 H19
4300 H12
7306 B 7
7301 D15
4044 J16
4043 H11
4042 H11
4041 K13
4040 H12
4039 H13
4038 H14
4037 H14
4036 H15
4035 I17
9000 G17
7313 H 8
7312 I16
7312 I13
7311 I20
7310 G20
7309 D21
7308 C16
7307 C 8
9 10111213141516171819202122 23
H
G
F
K
E
D
C
B
A
J
I
9 10111213141516171819202122 23
1k
3310
3329
4302
0E
4304
0E
4303
0E
3342
1k
4044
0E
4030
0E
4020
0E
4041
0E
3340
680E
4k7
3324
4031
0E
4035
0E
4036
0E
4033
0E
4040
0E
4034
0E
680k
3325
1k2
3327
2k2
3326
0E
4307
3323
5k6
3321
18k
3320
18k
180E
3318
3339
4300
0E
4037
0E
4043
0E
4042
0E
390E
3319
4038
0E
680E
3345
680E
3346
0E
4306
4039
0E
3348
330E
5k6
3332
4301
0E
4305
0E
470E
3317
3316
3k3
3338
6u8
5304
5307
5TS1
-7V
5TS2
+12A5TS +33V
+12A
5TS1
5TS
5TS1
5TS1
7310
BC847B
BF570
7313
BC847B
7309
9000
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
2315
220p
2318
220n
2319
10n
100n
2309
100n
2321
100n
2325
220n
2307
8p2
2308
100n
2306
2317
10n
100n
2323
2313
2314
AFV2
VFV2
AFC2
SB1_2
PSS2
MTA
DTC124EK
7307
DTC124EK
7308
DTC124EK
7311
7
92
0
2
1324
L9360M
5
4
1
2
3
1322
L9453M
5
4
1
2
3
1320
5
4
3
42518
5303
123
46
4053BT
7312
2
115
10
S
Z
Y0
Y1
E
7312
13
12
14
11
4053BT
6
16
78
Vee
S
Z
Vss
Y0
Y1
Vdd
E
16V
22u
2316
16V
22u
2322
50V
2u2
2324
50V
2u2
2300
50V
2320
2u2
3322
22k
3341
7301
TDA9812T
2
1
12
25
2122 20
19
24
17
16
15
14
13
11
10
8
7
65
43
23
18 26
28
27
9
MIXER
INTERCARRIER
AM DEMODULATOR
SIF AGC
SIF AMP.
1345
1
2
3
1346
1
2
3
1340
13
2
TDA9800T/V3
7300
12
2
1
156
18
7
10
11
13
14
1617
19
20
34 58
9
DETECTOR
VIDEO
VCOWAVE
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
GRUNDIG Service 4 - 53 GRUNDIG Service 4 - 54
Reference
AL ..............P 4-62
CO .............P 4-43
DE..............P 4-63
IO...............P 4-55
GSPD ........P 4-16
KSMD ........P 4-31
KSPD.........P 4-37
TU2............P 4-52
T
ube PCB
...P 4-27
TV..............P 4-49
VS..............P 4-59
23


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