Grundig GV 6400 HiFi Service Anleitung Seite 58

Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Chassisplatte II – FM-Ton / Family Board II – FM-Sound (AF)
1101 A20 1954 B23 2106 H10 2113 B12 2123 B 5 2131 E15 2138 J14 2580 F22
1911 I22 2100 B 6 2107 H 9 2114 B12 2124 B 6 2132 E15 2140 C15 2581 H22
1912 K 5 2101 D 4 2108 H 9 2115 H12 2125 B12 2133 F15 2141 C15 2600 I 7
1913 K 2 2102 E 4 2109 H 9 2117 B 8 2126 B12 2134 H14 2150 J10 2602 H 6
1914 K15 2103 H11 2110 B 5 2120 C 2 2127 H12 2135 G15 2151 J10 2605 G 6
1915 K10 2104 H11 2111 B 6 2121 B10 2128 H13 2136 B 8 2570 F22 2609 H 8
1916 K 4 2105 H10 2112 H12 2122 B10 2130 D15 2137 K14 2571 G22 2610 G 2
2 3 4 5
ARLI
ALLI
A
SCL
SDA +5VS
+12A
GNDAF
2123 2124
5100
22u
16V
100u 16V
100u
RAF
2110 2111
B
TRIA
22n 22n
GNDAF
HP2
10k
50 43 54 58 42
3127
supply & Vref
C
GNDAF
3106
55
BIAS
8k2
0,7V
GNDAF
BPF
FMAP 2101 57
D
HF AGC
22n
RAF
3139
FMAR 2102 56
100E M +
22n 1,4V
E
BPF
RN
F
RN+IPN
REC eq
+
M
-
30 31 33 32 34
G
+5VS
2610
10n
3651
100k
H
7650 2615
BC856B
10u
7651
16V
BC846B
7652
BC846B
I
GNDAF
GNDAF GNDAF
PB 0V
REC, EE 5V
J
GNDAF +5NIC +5VA +12A GNDAF
GNDD
K
2 3 4 5
4 - 39
GV 6400 ..., GV 6401 NIC
2611 H 7 3108 B 7 3119 H15 3133 F15 3142 C16 3590 F20 3617 I 5
2612 H 5 3109 B 7 3121 B 9 3134 K14 3540 E19 3591 F18 3650 I 2
2613 I 5 3110 H10 3122 B 9 3135 J14 3550 B20 3601 I 6 3651 H 2
2614 H 5 3111 H10 3127 C 2 3136 J 8 3570 F21 3607 H 7 3652 I 2
2615 H 4 3112 H11 3130 E16 3137 I 8 3571 G21 3608 I 4 5100 B 4
3106 C 4 3113 H11 3131 E16 3139 E 3 3581 G21 3615 H 5 5601 H 5
3107 B 6 3116 G14 3132 F16 3140 C16 3583 F21 3616 H 5 6530 C21
6 7 8 9 10
GNDAF
2117 +5VS GNDAF
GNDAF GNDAF GNDAF
10n
49 53 59 61 60 62 12 13 14 15 16 63 64 52 51
7100
V SDA SCL V
DD SS
TDA9614H/N1
Iref
Mute
2
DOC I C
level
DOC
detect
P R P R
HF
PLL S&H
limiter
1.3Mhz
1.4Mhz
HF audio
CCO
clipper
LPF P R P R
CCO audio
HF
clipper
LPF
1.7Mhz
1.8Mhz
HF
S&H Volume L
PLL
limiter
level
NOMute
detect
+ Volume R +
M Normal Set
PB eq
PBSet RN+IPN
Input
Sel
P R
AGCN
LP
SAP TUL TUR CINL CINR E1L E1R
35 36 28 29 27 1 2 3 4 5 6 7
GNDAF
GNDAF
GNDAF
3137
100E
3136
GNDAF
100E
GNDAF
FROM/TO SD
6 7 8 9 10
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
6540 E20 6571 G22 7651 H 3
6550 B21 6580 F22 7652 I 3
6560 C20 6581 H22
6561 D20 6590 F20
6562 D21 7100 C10
6563 D21 7540 E19
6570 F22 7650 H 2
11 12 13 14 15
GNDAF
37 38 39 40 41
DC Sel
DCL 23
DCfb DEEM RECT A/R 2,2V
Noise
24
DCR
Reduction
2,2V
Volume HP
audio
HP Sel
Left Channel
LPF
HPOUTL 25
AFO
M
Mute
HPOUTR 26
RAF+IPAF
Dec Sel
Out Sel
19
LINE2L
TUL
E1L 6V
E3L
20
LINE2R
TUR
E1R
6V
E3R
Line Sel
21 2132
LINE1L
E2L 6V
10u
AFO
M E3L
Mute 16V
22 2133
LINE1R
E2R
6V
audio 10u
E3R
Noise
16V
LPF RFC Mute
Reduction 18
RFCOUT
+ M
Right Channel 4V
DCfb DEEM RECT A/R
E2L E2R E3L E3R
RFCAGC
8 9 10 11 48 47 46 45 44 17
3116
2135
3M3
10u
16V
GNDAF
GNDAF
3135
R
FOR FRONT CINCH
100E
ONLY
GNDR
+5NIC
GNDAF
3134
L
100E
GNDL
VFR GNDVF+12SW +5NIC AMCO
1914
GNDAF GNDAF
FROM/TO SD
11 12 13 14 15
4 - 40
Reference DE ............4-21 HA ............4-34 PAF ..........4-35
AF ............4-39 FOME.......4-24 IO .............4-27 PBA22......4-41
AL.............4-28 FV ............4-25 OS............4-24 PDCA1 .....4-41
16 17 18 19 20
+5VA
1101
T250mA
VIN2
FOR 2 SCART ONLY
GNDA
VOUT2
pin10
GNDAF GNDAF
-7V
GNDAF GNDAF red
green
2130 blue
10u
16V
2131
10u
16V
0,3V
0,1V
3540
MON 7540
6k8
BC818-40
GNDAF GNDAF
0,1V
BLANKING
GNDA
3590
8SC2
8k2
GNDA GNDA
GNDAF GNDAF
GNDAF
GNDA
GNDAF
TO PMB-I/O 1592-C
Record
Right Channel
Left Channel
..V
MEASURED IN PLAYBACK MODE
16 17 18 19 20
GV 6400 ..., GV 6401 NIC
PDCG1.....4-44 PMB .........4-17 SE ............4-32
PKG11 .....4-45 PSM .........4-14 VS ............4-29
PKG12 .....4-46 SD ............4-37
21 22 23
+5VS
A
1954
SCRAMBLE
SCART 2
B
20
VideoIn
19
VideoOut
10
21
17 C
18
GNDA
13
9
5
14 D
15
red/c
11
green
7
blue
16
blanking
E
8
Swtching
6
AudInL
F
3583
-7V GNDAF 3
AudOutL
100E
GNDAF
-7V GNDAF
2
AudInR
G
3581
-7V GNDAF
1
100E AudOutR
GNDAF
4
-7V
H
-7V GNDAF
GNDVID
I
J
Playback
Left Channel
Right Channel
K
PAF/AUDIO(40280)
21 22 23
GRUNDIG Service