Grund Video GV 670 S HiFi, Руководство по обслуживанию

Страница: 12 / 28

Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams GV 67 …, GV 69 … Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams GV 67 …, GV 69 …
S-VHS-Platte / Board – Luminanz / Luminance (SH)
BCR183
7562
BCR183
7518
10N
2545
10N
2537
10N
2530
22N
2525
10N
2524
10N
2518
10N
2508
22N
2490
10N
2486
10%
6,8N 2590
10N
2576
10N
2566
10N
2564
10P
2526
X
100P 2532
82P
2770
150P 2769
0,1U 2767
15P
2768
2,7P
2764
5% 390P
2758
82P
2762
33N
2572
X
5,6P
2507
10N
2800
1N
2722
33N
2727
33N
2723
33P
2552
X
33P
2550
10N
2542
47N
2489
5% 150P
2760
390P 2771
0,1U
2503
10N
2806
0,1U 2522
47N
2487
47N
2488
X
120P 2721
15P
2774
2%
680P
2560
Y
1N
2827
X
5%
82P
2561
150P
2823
150P 2824
1N
2825
1N
2826
82P
2562
10N
2792
10N
2796
X
10P
2533
15P
2772
5%
150P 2505
2% 1N
2504
390
3760
2%
390
3560
2% 1,5K
3562
2%
910
3502
2%
220
3500
27K
3490
2,2M
3484
180K 3590
X
22K
3576
100
3774
1K
3564
18K
3570
10K
3572
10K
3568
2,2K
3486
2,2K 3782
6,8K
3522
2,2K
3506
1K
3512
6,8K 3504 3,3K 3508
1K
3542
4,7K
3520
180K
3518
4,7K 3516
180K
3757
6,8K
3574
1K
3526
1K
3534
X
10K
3532
100K 3592
1K
3770
1K
3766
2,7K
3768
2,7K 3772
2,7K 3754
2,2K
3762
X
4,7K
3758
10K
3566
2,2K
3488
X
1K
3550
1K
3482
100
3480
6,8K
3514
4,7K
3780
220K 3800
1M
3720
1K
3548
3,3K
3552
3,9K
3750
1,8K
3752
4,7K
3540
X
5,6K 3756
220K 3806
X
10K
3802
68K
3554
Y
470
3812
Y
4,7K
3813
Y
4,7K 3814
1K
3807
1K
3808
220
3810
4,7K 3809
1K
3811
10K
3585
1K
3588
180K 3586
47K
3796 100K 3792
100K 3790
150K 3794
100
3536
1K
3582
910
3580
6,8K 3558
+
1U/100V
2540
+
100U/10V
2502
+
4,7U/63V
2501
+
4,7U/63V
2500
+
1U/50V
2580
+
4,7U/25V
2591
+
10U/50V
2480
+
10U/16V
2484
+
1U/100V
2592
+
47U/50V
2766
+
4,7U/25V
2720
+
1U/100V
2724
+
100U/10V
2543
+
100U/10V
2725
+
10U/16V
2494
4,7K
3503
2,2K
3507
2,2K
3513
10K
3521
10K
3515
4,7K
3487
4,7K
3509
1K
3543
1K
3545
220
3765
100K
3791
100K
3795
470UH
5804
150UH
5771
33UH
5774
270UH
5552
22UH
5760
X
47UH
5550
330UH
5803
82UH
5802
33UH
5782
82UH
5800
150UH
5769
150UH
5758
VDD
VSS CLK
IN OUT
-DELAY
CXL5508M
2H -VERZOEGERUNG
1
2
3
4 5 6
7
8
7725
HEF4094
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
7800
HEF4094
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
7806
AUTO
U
SEC
BC848B
7766
BFS19
7768
BFS19
7764
Y
BSV52 7809
Y
BC848B
7811
BC848B
7807
BC848B
7808
H/2
F
H/2
F
FSC
PB-FM
HI-CH
HI-CH
CH
MIX.SYN
UNC.FM
627KHZ
STROBE
627KHZ
CVBS
CVBS
CLOCK
DATA
FSC
FSC
CVBS
DATA
DATA
STROBE
CVBS
CH
HI-
B
G
MIX.SYN
R
STROBE
CH
DATA
MIX.SYN
DATA
STROBE
CLOCK
CLOCK
CH
627KHZ
BCR133
7546
BCR148
7530
BCR148
7770
BCR148
7762
X
BCR133
7570
BCR133
7508
BCR133
7585
X
BCR133
7564
BCR133
7566
BCR133
7552
37 38 39 40 41 42 43 44 45 46 47 48
13 14 15 16 17 18 19 20 21 22 23 24
25
26
27
28
29
30
31
32
33
34
35
36
6
7
8
9
10
11
12
2
3
4
51
AN3255FA
S.S
MIX V/H A.L AMP
SUB.CLP
SLICE
CLP
CLP
CLP
AGC DET
DL
MIX LPF LIM HPF
DL
CONT
APT
SUB.NC
LPF
+
BPF
LPF
DET
EE
AMP
SUB.LPF
DEM
M.LIM
DOP
DET VHS
ENV
DET
MOD
DET
D.LIM
CLIP
V S
fh
2 - 1
ME
NLDE
5.3dB
FSI F.F
DET
YNR
Noise
HSW
V S
SV
S
V
EE
VV
VV EE
VV EE
EE
EE
VV
DO
V
S
S
V
LIM MIX
LIM HPF
DE
NLE
CLP SUB
W.
EXP
3usec DELAY
HPF
LPF
MIX
LIM
EQ
2.5dB
VV
7520
SYNC
PLL
T.T.
FM
SYNC
PLL
U
CH
VHS
U
EE
U
VHS
U
S-VHS
U
S-VHS
U
S-VHS
U
S-VHS
U
PB
U
LP
U
NP
U
EE
U
LP
U
S-VHS
U
NP
U
VHS
U
VHS
U
NTSC
U
13
14
15
7
8
9
10
11
12
1
2
3
4
5
6
1525
13
14
15
7
8
9
10
11
12
1
2
3
4
5
6
1524
BC858B
7588
BC808-40
7782
S-VHS
+5V_IC
+5V_IC
+5V_IC
+5V_IC
+5V_IC
+5V_IC
+5V_IC
+5V_IC
+5V_IC
+5V_IC
+5VF2
+5VF2
+5VF2
+5VF2
+5VF2
5SW3
PC_1
PC_1
PC_2
PC_2
PC_3
PC_3
M
M
M
SYNC
SRB
SRA
5A1
5A1
5A1
+5VW
+5VW
+5VW
+5VW
+5VW
+5VW
+5VW
+5VW
+5VW
SOST1
J
I
H
G
F
E
D
C
B
A
14
14
13
13
12
12
11
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
7552,7530,7762
REC
A
CF 3005
2723
CF 2008
CF 2074
TR
CF 1526/9
SVHS
7615/3
7615/2
UREF SVHS
UREF VHS
7518
7715
1525/11
2
7800/5
7564,7546,7770
7800/7
7562
7800/6
7800/13
7800/12
7800/11
3572
3570
3574
7800/4
7800/4
7800/4
7800/5
7800/5
7800/4
PB
RGB
SP/RGB
SEC-EE/PB
SEC-EE/PB
CF 1530/4
7800/14
7508
CH
CF 2026
CF 1530/15
1
2
CF 1530/17 SC
CF
CF 1530/16
CF 1526/5
CF 1526/3
CF 1526/1
CF 1526/2
PCB SECAM/PAL Transcoder, SF
PCB SECAM/PAL Transcoder, SF
SECIDENT
5SW3
8
8
CF 1530/1
CF 1531/13
CF 2048
CF 1530/10
CF 1530/11
CF 1530/12
1525/13
CF 1530/14
CF 1530/6
6
6
7
CF 7080/10
CF 1531/9
CF 1530/2
CF 1531/5
1524/14
7585
CF 1531/6
CF 1531/15
CF 1531/4
CF 7042
CF 1531/1
7520/46
WV-VHS
WV- S-VHS
SV-VHS
SV- S-VHS
S-VHS
PBA-
VHS
PBA-
WC
YWV
DC
PCB S-VHS BOARD,SH
SR 8S
SR 7S
2
7
4
3
38
39
52
97
4,9V
2,3V 2,4V
0,8V
1,9V
1,8V
107
101
96
108
0V
3,0V
5,0V
4,9V
1,6V
2,9V
0V
0V
2,0V
2,4V
2,0V
2,2V
1,9V
1,4V
2,8V
2,2V
102
104
2,8V
2,2V
2,2V
2,4V
2,8V
2,0V
99
100
1,5V
2,0V
0V
2,0V 4,8V
105
3,1V 1,6V
4,9V
3,4V
3,8V
0V
2,6V
0V
3,2V
2,9V
0V
2,4V
0,1V
4,8V
0V
0,4V
2,7V
0,1V
4,8V
0V 1,7V
0,1V 2,8V
3,2V
0,1V
2,4V 2,4V 0,3V
2,5V
0,9V 1,9V
0V
2,0V
4,8V 1,3V
2,8V
3,0V
2,1V 4,8V
2,1V
4,8V
2,0V 4,8V 2,0V 4,8V
0V
4,8V
1,2V 1,2V
1,8V
4,8V 1,3V
0V
5,1V
0V
4,8V
0V
0,3V
3,6V
106
4,9V
5,1V
0V
0V
0V
0V
0V
0V
0V
0V 5,1V
4,7V
0V
0V
0V
5,0V
4,7V
0V
5,0V
0,1V 5,1V
0V
0,6V
0,1V
1,3V
0V
0,6V
0V
4,8V
86
4,9V
4,2V
0V
4,8V
4,8V
0V
4,7V
0V
0,7V
0,8V
4,8V
1,4V
0,7V
0V
1,4V
89
109
110
90
88
87
85
VHS
S-VHS
VHS
S-VHS
VHS
S-VHS
17 GRUNDIG Service 18 GRUNDIG Service