Grundig GV 6400 HiFi Service Anleitung Seite 45

GV 6400 ..., GV 6401 NIC
Netzteil / Power Supply (PSM...)
0008 G4 2018 D2 2050 G4 2062 G15 2076 C13 2088 F11 3008 G4 3020 E2 3034 E5
1010 F4 2026 C5 2052 G7 2064 F13 2079 D12 2090 E10 3010 B1 3022 E2 3040 E7
1509 F15 2030 B2 2054 G7 2068 F14 2080 D10 2092 E11 3012 B2 3026 C5 3041 E8
2012 C2 2032 B2 2056 G7 2069 E10 2081 D9 2096 G10 3014 D2 3028 C5 3042 E8
2014 C2 2036 D8 2059 F6 2070 F8 2084 F10 2098 G10 3016 D2 3030 D5 3043 E8
2016 D2 2042 E8 2060 G13 2074 B11 2085 D11 2099 G11 3018 D2 3032 D5 3044 E8
2 3 4
8002
2030
0,1U
B
3012
3010
10%
1K
10K
2032
0,1U
10%
0V 9 IREF DEMAGNETISATION
MANAGEMENT
4
OSCILLATOR
VOSC PROT
2012 VDEMAG OUT
VOSC
F 2,6V 10
VREF
C IREF
390P/FKP2 2,5%
VREF
UVLO1
2,2U/50V
DMAX & VCC ENABLE OVER
2,4V 11
SOFT-START VOLTAGE
+
CONTROL MANAGEMENT
2014
UVLO2
STANDBY
3014
(REDUCED
0,56V 12
FREQUENCY) FOLDBACK
3,9K
IREF
1%
CURRENT
2016
SENSE
F 1,8V 13
D
3,3N
+
10%
VREF/2
ERROR
AMP
2,5V 14
- BUFFER
3016 2018 3018
15K 1N 10% 22K
SET Q
3020
PWM LATCH
2,5V 15
= > 1
THERMAL
RESET
SHUTDOWN
18K
VREF IREF UVLO1
3022
E SUPPLY &
VCC ENABLE
2,5V 16 REFERENCE
INITIALISATION
BLOCK
BLOCK
10K
MC44603P
1%
7020
F
TRAFO "A"
3 14
1010
T1,25A L
16
X3008
4 15
G 2050
68N/250V~
0008
6
H
PSM1 PSM2
10
A – Low P.Std.By
2081 47µF/50V 470µF/50V
B – Turbo Drive
9
2079 X –
2099 – X
3048 1R8 1% 1R5 1%
3068 X –
3069 – X
I
3079 X –
5050 Trafo A Trafo B
18
5069 X –
5081 X –
6096 – –
Y5050
6098 X X
8350 – X
8351 X –
8352 – X
8354 – X
J
12 17
2 3 4
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
3046 E8 3056 G6 3062 H14 3070 B10 3076 B11 3082 D10 3088 C11 3098 E12 5081 D10
3048 E7 3057 F8 3063 G13 3071 B9 3077 B11 3083 D10 3089 D11 3099 D11 5088 F11
3050 E6 3058 H6 3064 H14 3072 B10 3078 B11 3084 D11 3090 E10 5010 F5 5090 G12
3052 F6 3059 H6 3067 G13 3073 C10 3079 D12 3085 D11 3092 E11 5050 G9 5098 G12
3054 G6 3060 G14 3068 E10 3074 B11 3080 C10 3086 D11 3094 E11 5069 E9 6032 E5
3055 F8 3061 G10 3069 F9 3075 C11 3081 D10 3087 D11 3096 E11 5080 F13 6036 C8
5 6 7
8 0V
2026
1N 10%
7 29mV F
3026
VCC
680
6 1,9V
3028
VCC ENABLE
82K
5 1,2V
3030
8,2K 1
4 0V
7040
3032
3 1,0V 1V 340V
STP3NA60
22
3040
4,7K
3034 28mV
VC
2 12,7V
82
UVLO2
3043
Y 3048
1 13V
3046
6048
1,5 1,8
VCC
1N4001
1%
1%
6032
BYV10-20 3050
6046
39K
1N4001
3052
39K
2059
470P/250V~
5010
3054
2054
1M
470P/250V~
2052
68N/250V~
3056
2056
1M
470P/250V~
2X39MH
3058 3059
3,9M 3,9M
PSM2A PSM3
– Low P.Std.By
47µF/50V 470µF/50V
Turbo Drive Turbo Drive
X –
X X
1R5 1% 1R5 1%
CIRCUIT NOT MAINS-ISOLATED
X –
– X
X
Trafo B Trafo B
X –
X –
– X
X –
X X
– –
X X
– X
*
5 6 7
GV 6400 ..., GV 6401 NIC
6042 D8 6081 D9 6098 G10 7060 H13 7090 E10
6046 F7 6082 C10 7020 E4 7070 A9 7096 E11
6048 E7 6084 D11 7040 D7 7074 B10
6050 G8 6088 F10 7050 C9 7084 D11
6076 C12 6092 E10 7056 H14 7085 D11
6080 F10 6096 G10 7058 G13 7088 F13
8 9 10
SOC1012T 7070
2,8V 4 1 5,3V
3072
1K
3074
3070
5,6K 2074
13V 5 2 4,3V 3,5V
0,1U
220
10%
2,5V
7074
TL431CLPRE
4,2V
Y 7050
Y 3075
BC547C 0V
56K
3
Y 3073
A
100K
BAV21
Y 3080
6036 3 14 47
Y 6082
SI-R Y 3082 Y 3099 Y 3084
BYT52M
4,7K 4,7K 4,7K
2036
0,1U/250V Y 6084
16 20% 33 B
47U/50V
5081
6081
Y 3081 Y 3083 Y 3085
5,1V
8001 4 15 6,8UH
560 560 560
BYT52M
Y 2081
470U/50V
Y 7085
6 TL431CLPRE
6042
BY268
2
Y 6092 1K
18V 28mV
3041
13 Y7090
33 BYW98/200 Y3092
MTD3055V
3042
Y 3090
Y 2090
3,9K Y 7096
10K 10K Y 2092
220U/25V
0,1U
2042
10%
47N/400V
BC547C
7,9V
3044 2069
Y 5069 Y 3068
K
10K
22
10
Y 8354
300V Y 3069
6080
4,7
* BYW98/200
B
2070
9
2084
+ 680U/25V
47U/400V
Y 5088
11 Y 6088
3055 3057
22UH
BYW98/200
Y 2088
1M
1M 220U/25V
3061
4,7
K
2096
Y 6098 2,2N/400V
18
MBR360
Y 6096
- +
MBR1060
6050
DF08M 2098
Y 2099
Y
680U/25V 680U/25V
TRAFO "B"
12 17
Ref.Pot.
...Discharge Pos. 2070 before repairing
8 9 10
4 - 15 GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Reference DE ............4-21 HA ............4-34
AF ............4-39 FOME.......4-24 IO .............4-27
AL.............4-28 FV ............4-25 OS............4-24
11 12 13 14
3076
2,7K
3078
470
3077
2,4K
Y 3088
56K
6076
BYT52M 8004
BC547C
31V
2076
Y 7084
3079
47U/50V
100K
0V
Y 2079
0,33U
Y 3086
100K
Y 8350
2,5V
Y 3094
28mV
150K
56K
0,5V
Y 3098
Y 3096
100K
Y 8352
Y 8351
5080 8000
7088
22UH
L7812ACV
1 2
IN OUT
15,4V
GND 12V
3
2064
2068
0,33U 47U/50V
3067
3060
7058
5098 220
220
15,4V BC337-40 8
22UH
5090
2060
22UH
7,8V
F
0,33U/100V
3063
7,8V 7,8V
7060
220
0,4V
BC327-40
7056
BC547C 3062
10K
GND
NOTE ON THE COMPONENTS:
"X" components are not used
"Y" components are optional
Voltages measured in STOP-Mode
11 12 13 14
PAF ..........4-35 PDCG1.....4-44 PMB .........4-17 SE ............4-32
PBA22......4-41 PKG11 .....4-45 PSM .........4-14 VS ............4-29
PDCA1 .....4-41 PKG12 .....4-46 SD ............4-37
15 16
B
C
PSM2
PSM3
STBY
18
5S
D
17
5A
5A
16
5D
5D 5D
15
33V
33V 33V
14
5VSTBY
13
GND M2
GND M2 GND M2
12
GND M1
GND M1 GND M1
11
GND D
GND D GND D
10
GND A
GND A GND A
9
E
CSW
CSW
8
-28V
-28V -28V
7
8/17M
14M 8/17M
6
14 M
14M 14M
5
12A
12A 12A
FILAMENT 4
CONTROL
HEST HEST
3
HEHI
HEHI HEHI
F2
2
F1 HELO HELO
1
F
1509
7
G
2062
220U/25V
3064
4,7K
H
I
J
PSM(30760)
15 16
4 - 16