Grundig TVR 3710 series, Service Manual

Page: 76 / 100

Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams TVR 3710 …, TVR 5100 …, TVR 5500 … Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams TVR 3710 …, TVR 5100 …, TVR 5500 …
4 - 69 GRUNDIG Service 4 - 70 GRUNDIG Service
Kopfverstärkerplatte / Head Amplifier Board (OHA) Kopfverstärkerplatte – Kopfscheibenmotoransteuerung
Head Amplifier Board – Headwheel Motor Control
DC, 1V/Div, 10ms/Div
0V
Connectors 1904-(1), 1930-(6)
REC
23
DC, 1V/Div, 500
µ
s/Div
0V
Connector 1931-(4)
80
PB
DC, 2V/Div, 2ms/Div
Connector 1931-(1…3)
81
PB
AC, 100mV/Div, 10ms/Div
Connetor 1931-(5)
82
PB
8
23
82
80
81
0
0
0
4
4
NOT USED
ONLY FOR 4/X
0
4
..
OHA (...3922.4)
DE 1904
HMO1 HMO0 HMO3 POS HMO2
TO SCANNER MOTOR TO SIGNAL CHASSIS
REEL +5D GNDM2 GNDD +14M1 PG/FG GNDD
OSCILLOGRAMS
7302 A 3
7301 D 5
5301 A 3
3314 A 4
3313 I 6
3312 H 5
3311 A 4
3310 A 5
3309 A 3
3308 B 4
3307 B 3
3306 F 5
3305 G 4
3304 G 2
3303 H 1
3302 G 2
3301 H 3
2320 I 6
2319 B 3
2318 E 2
2317 E 2
2316 E 2
2315 G 3
2314 A 6
2313 B 6
2312 B 5
2311 B 5
2310 B 3
2309 B 4
2308 E 6
2307 F 5
2306 E 5
2305 H 2
2304 G 1
2303 H 2
2302 I 5
2301 I 4
2300 H 5
1931 J 4
1930 J 4
4 5 6 2 3
G
F
E
J
D
C
B
A
I
H
G
F
E
J
D
C
B
A
I
H
4 5 6
1
1 2 3
1931
7 6 5 4 3 2 1
GNDD
GNDD
GNDD
GNDD
GNDM2
GNDD
GNDM2
GNDD
GNDM2
GNDD
GNDA
GNDA
GNDA
2315
10n
2316
22n
2317
22n
2318
22n
2306
100p
2307
100n
2308
10n
2309
100n
2310
10n
2311
10n
2312
47n
2313
22n
2319
22n
2301
100p
2302
22n
2300
470p
2320 220p
+14M2
+14M1
+14M2
3304 100E
3310
1k
3305
1k
3306
4k7
3307
47E
3308 470E
3311
3k9
3302 100E
3303 100E
3312
0E
3313
15k
3301 270E
3314
39k
1930
6 5
4 3 2 1
1u
2305
1u
2303
1u
2304
330n
5301
2314
2u2
7301
15
91
0
11 12 18
7
17
1 31
6
6 5 2 4
13 14
PROTECT THERMAL
DEVIDE BY 2
STAGE2 DRIVER OUTPUT STAGE1 DRIVER OUTPUT FLYBACK PUSH/PULL
ROTATION POSITION SPEED & DETECTOR STAGE OUTPUT STAGE POSITION DETECTOR
PG/FG GND2 VCC CAP_CD VMOT MOT2 TEST MOT1 PG_IN
ADAPTIVE COMMUNICATION DELAY
COMMUNICATION LOGIC
AMPLIFIER DUCTANCE TRANSCON-
START-UP OSCILLATOR
TIMING
STAGE3 DRIVER OUTPUT
+AMP_IN -AMP_IN
AMP_OUT
CAP-ST CAP_DC
CAP_TI
MOT3 MOT0
GND1
- +
TDA5140A
7302 BD436
3309 470E
L1
Ansicht von der Bestückungsseite / View of Component Side
1910, 1930 —> Signal Chassis (1902, 1904)
1911, 1912 —> Bandtrommel / Headwheel
103 39220
6192.2
O HA
1 2 3
1 2 3
E
D
C
B
A
E
D
C
B
A
0 0 0 6 A 2
0 0 0 6
00
0
7
1 9 1 0 C 3
1 9 1 1 B 1
1 9 1 2 B 1
1 9 2 0 D 3
1 9 3 0 D 3
1 9 3 1 D 1
2 0 2 6 C 2
2 1 0 6 C 2
2 3 0 3 E 1
2 3 0 4 E 1
2 3 0 5 E 1
2 3 1 4 E 2
5 0 0 2 C 3
5 1 0 1 D 3
5 3 0 1 D 3
7 3 0 1 E 2
7 3 0 2 E 3
9
1 0
!
11
1
1
1 8
!
!
1 0
1
9
1
1
1 8
1
1
1
1
E
B
C
6194.
2
OH
A
23
04
23
14
23
03
7 3 0 1
1
9
3
1
23
05
20
26
1 9 1 2
1 9 1 1
7 3 0 2
510
1
5 3 0 1
21
06
1 9 1 0
1 9 2 0
1 9 3 0
50
02
Ansicht von der Lötseite / View of Solder Side
103 39220
6192. 2
OHA
1 2 3
1 2 3
E
D
C
B
A
E
D
C
B
A
2 0 0 1 A 1
2 0 0 2 A 3
2 0 0 3 A 2
2 0 0 4 A 2
2 0 0 5 A 2
2 0 0 6 A 3
2 0 0 7 A 2
2 0 0 8 A 2
2 0 0 9 B 2
2 0 1 0 C 3
2 0 1 1 B 3
2 0 1 2 B 3
2 0 1 3 B 3
2 0 1 4 B 2
2 0 2 1 A 2
2 1 0 1 D 3
2 1 0 2 C 3
2 1 0 3 C 2
2 1 0 8 C 2
2 1 0 9 C 2
2 1 1 0 C 2
2 1 1 2 C 2
2 3 0 0 E 3
2 3 0 1 D 2
2 3 0 2 E 3
2 3 0 6 D 1
2 3 0 7 D 1
2 3 0 8 D 1
2 3 0 9 E 2
2 3 1 0 E 2
2 3 1 1 E 2
2 3 1 2 E 1
2 3 1 3 E 1
2 3 1 5 D 2
2 3 1 6 D 1
2 3 1 7 E 2
2 3 1 8 E 2
2 3 1 9 E 2
2 3 2 0 D 3
3 0 0 1 A 1
3 0 0 2 A 3
3 0 0 3 B 2
3 0 0 4 B 1
3 0 0 5 B 1
3 0 0 6 B 2
3 0 0 7 B 3
3 0 0 8 C 3
3 0 0 9 C 3
3 0 1 0 B 3
3 0 1 1 C 2
3 0 1 2 B 2
3 0 1 3 B 1
3 0 1 4 B 1
3 0 1 5 B 3
3 0 1 6 B 3
3 0 1 7 B 3
3 0 1 8 A 2
3 0 2 0 A 1
3 0 2 1 A 2
3 0 9 1 A 2
3 0 9 2 A 2
3 0 9 3 B 2
3 0 9 4 B 3
3 0 9 5 B 3
3 0 9 6 E 1
3 0 9 7 C 3
3 0 9 8 A 2
3 0 9 9 C 2
3 1 0 1 D 2
3 1 0 2 D 2
3 1 0 3 D 3
3 1 0 4 D 3
3 1 0 5 D 3
3 1 0 7 D 3
3 3 0 1 D 2
3 3 0 2 E 1
3 3 0 3 D 1
3 3 0 4 D 1
3 3 0 5 D 2
3 3 0 6 D 1
3 3 0 7 E 2
3 3 0 8 E 3
3 3 0 9 E 3
3 3 1 0 E 2
3 3 1 1 E 3
3 3 1 2 E 2
3 3 1 3 E 2
3 3 1 4 E 3
3 8 1 2 C 2
3 8 1 3 C 2
3 8 3 1 E 1
3 8 3 2 E 1
3 8 3 3 E 1
7 0 2 0 A 2
7 0 2 1 C 2
7 0 5 0 B 2
7 0 5 1 B 2
7 0 5 2 B 2
7 1 5 0 D 2
383
2
23
09
330
2
383
1
2
311
33
10
30
96
33
05
33
06
38
33
23
13
23
12
2
316
3
301
33
03
33
04
23
06
23
07
23
08
3
092
30
14
3
091
3
812
2
103
3
001
3
003
30
04
30
05
30
06
30
13
2
001
2
009
7 0 2 0
3
020
30
21
33
14
231
0
23
19
330
7
330
8
331
1
331
2
23
01
330
9
23
20
33
13
23
00
310
5
31
07
7 1 5 0
2
317
23
18
31
01
310
2
31
03
310
4
21
08
21
09
21
10
21
12
23
15
23
02
2
010
210
1
210
2
30
97
30
99
30
18
2
013
7 0 2 1
200
2
7 0 5 2
7 0 5 0 7 0 5 1
30
17
3
093
30
94
30
95
3
813
300
9
30
10
301
1
3
012
30
15
3
016
200
8
20
11
2
014
30
02
30
07
300
8
20
04
200
5
200
6
2
007
20
12
20
03
2
021
3
098
Reference
AL ..............P 4-65
BUPI ..........P 4-68 CO .............P 4-43
DE..............P 4-49
IO...............P 4-59 OHA...........P 4-69
PLSP .........P 4-19
PSSP2 .......P 4-37 TU2............P 4-55
Tube PCB ...P 4-33
TV ..............P 4-51 TXT............P 4-58
VS..............P 4-61