GRUNDIG Service
CHASSIS 1.5
6
Schaltplan / Circuit Diagram
+
+
+
+
+
+
+
+
+
+
VEE
PUMP UP
VCC
INV IN
1
2
3
4
+
+
3
2
1
+
B+ ADJ
3
2
1
+
3
2
1
STANDBY
L:ON H:OFF
K
R
A
64
62
61
60
59
63
IRIN
1
STAND BY
AV1
VddP
RESET
XTAL OUT
3
4
5
6
KEY
TUNING
/AC TEST
SDA
NTSC SW
SCL
2
AV2
57
56
55
54
52
51
50
49
53
OSCGND
VddC
VpE
VddA
8
9
10
11 BAND2
Vss C/P
BAND1
MUTE
GOUT
ROUT
BLANKING
BCLIN
13
14
15
16 PHL2LF
DECDIG
Vp2
SECPLL
Vss A
12
BOUT
XTAL IN
VOL1
7
58
48
46
47
45
44
43
41
42
40
39
B2/UIN
R2/VIN
G2/YIN
INSSW2
/AMOUT
AUDOUT
17
19
18
20
21 VDRB
AVL
/EWD
DECBG
PHL1LF
GND3
CHROMA
GND1
CVBS/Y
CVBSINT
Vp1
22
24
23
25
26
VSC
IREF
IF2
VDRA
IF1
38
36
37
35
34
33
IFVO
/SVO
EHTO
PLL IF
AUDEXT
/QSSO
FBISO
27
29
28
30
31
SNDPLL
/SIF AGC
/SIF1
DECSDEM
GND2
/SIF2
AUDEEM
TUNER AGC
H OUT
32
AVL/REFO
+
1
3
4
2
1
4
3
2
IR RECEIVER PCB
5
XS701
XS2201
5
+
XS701
1
2
KEYBOARD PCB
2
XS2001
1
+
+
+
1
3
2
7
8
SCL
6
SDA
5
2
1
3
4
XS201
+
TPAGC
+
+
IF
MB
BH
BL
BU
TU
AGC
+
4
3
2
1
+
+
t
1
2
XS602
t
!
2
1
XS601
XP601
+
+
5
2
3
4
1
+
+
+
+
+
TP91
0.01u/630V
C612A
0.22u/AC275V
C602
LF-013
L601
LF-011
L602
1u/16V
C153
2.2K
R158
+13V
8.2K
R158
3.3K
R742
3.3K
R741
+8V
10K
R734
+8V
33K
R362
+3.3V
2.2u
C718
10uH
L703
0.01u
C719
+3.3V
33p
C717
33p
C716
12M
X701
10uH
L702
+3.3V
0.01u
C713
330
R373
10u/16V
C712
10uH
L701
330
R372
10K
R361
330
R371
0.01u
C715
10u/16V
C714
2SC1815
V301
56
R335
1.8K
R336
+8V
8.2uH
L332
100
R334
47u/16V
C333
10u/16V
C335
100
R339
47u/16V
C319
4700p
C574
0.022u
C352
0.022u
C353
33
R306
0.022u
C351
1K
R304
10u/16V
C317
10K
R308
0.1u
C336
47
R332
0.01u
C332
2.2K
R331
100u/16V
C331
10uH
L331
0.1u
C403
39K
R403
10K
R307
2SC1815
V331
22K
R363
560p
C361
XT5.5M
Z331
XT6.5M
Z332
XT6.0M
Z333
1.2K
R404
100K
R555
2.2K
R501
0.1uF
C551
27K
R556
27K
R563
4.7u
C315
820p
C313
1uH
L402
1uH
L401
MTZJ8C2
VD401
MTZJ8C2
VD402
MTZJ8C2
VD561
10
C4
0.033u
C412
LA78040
N411
RGP10D
VD411
1.2K
R412
+15V
MTZJ18
VD412
-15V
180p
C411
+5V-2
2
56
R681
470u/16V
C681
+8V
2
56
R671
470u/16V
C671
1k
R652
2SB892
V666
10K
R667
1.5k
R652A
N671
KA7808
100u/16V
C661
+5V-1
HZ3C2
VD661
2SC1815
V702
1K
R704
22K
R703
+135V
1K
R707
1N4148
VD632
1K
R635
1N4148
VD652
1N4148
VD667
12K
R653
1.2K
R668
N656
KA7805
470u/16V
C656
2SC1815
V703
22K
R706
+3.3V
33
R661
N681
KA7805
10K
R702
0.01u
C701
2SC1815
V701
TL431LP
V631
10K
R636
0.033u
C633
330
R705
330
R708
N301
TDA93XX
330
R337
180
R333
390
R303
2SC1815
V332
0.1u
C316
+3.3V
3.3K
R733
3.3K
R701
3.3K
R714
3.3K
R710
47u/16V
C702
100
R709
0.01u
C703
3.3K
R712
VD2201
N2201
0038A2
47u/16V
C2201
+5V
+5V
5.6K
R715
3.3K
R731
+8V
+3.3V
2.2K
R716
10K
R2024
120p
C705
10uH
L301
0.01u
C303
3.3K
R736
3.3K
R739
1K
R722
2K
R2026
1.2K
R2025
2.7K
R2027
5.1K
R2028
SW701
P+
SW702
P-
SW704
V-
SW703
V+
+8V
1u
C307
2.2u
C309
0.01u
C707
10K
R720
10K
R721
10K
R719
10K
R717
10u
C706
PH2369
V704
0.1u
C708
0.1u
C709
6.8K
R2030
SW705
ST-BY
SW707
MENU
+130V
0.1u
C710
2
10K
R718
KA33V
N702
6.8K
R2029
SW706
TV/AV
100
R711
24C16
N701
120p
C704
2.7K
R302
4700p
C314
+8V
470
R226
1000p
C222
220
R227
0.01u
C225
1uH
L221
0.01u
C224
82
R229
10
R228
2SC1674C
V221
+8V
0.01u
C223
4.7K
R223
1000p
C221
68
R221
1.2K
R224
10K
R737
10K
R740
0.01u
C202
10u/16V
C201
33K
R202
150K
R203
4.7u
C204
3.3u
C206
A201
032
4.7u
C203
1.2K
R225
680
R204
1
22
R201
MTZJ5C1
VD201
RGP15D
VD646
1/2W 0.47
R646
14
9
13
12
10
11
8
7
3
5
4
1
470p/1KV
C651
470p/1KV
C646
3
47K
R613
PC817B/C
N612
RGP10D
VD666
1/2W 0.47
R666
470p/2KV
C631
470p/1KV
C666
51K
R633
1/2W 0.47
R641
RGP10D
VD641
470p/1KV
C641
470u/160V
C632
RGP10J
VD631
51K
R632
2.2
R615
RGP10J
VD613
2.7k
R616
RGP10J
VD614
220p/2KV
C612
RGP10J
VD612
RGP10D
VD651
1/2W 0.47
R651
470p/AC 400V
C608
270u/400V
C610
TVR4J
VD601-VD604
1000p/1KV
C604
LM-01
L691
220p/AC 400V
C607
PS601
P10X180M
5V1HSC
VD616
0.22u/AC275V
C601
220K
R601
TVR4J
VD611
68K
R611
0.1u
C618
0.033u
C619
68K
R612
KA20
SW601
F601
T3.15AL/AC 250V
1000p/1KV
C603
1000p/2KV
C616
2.2K
R634
330u/35V
C642
470p
C614
1000p/AC400V
C620
2.4K
R617
47u
C617
1000p/2KV
C616
L611
LF-05
KA5Q1265
N611
1N4148
VD615
12M
R619
12M
R618
+26V
38.9M
Z221
+13V
2200u/25V
C647
2200u/25V
C652
1000u/16V
C667
20K
VR631
47
R723
0.22u
C301
0.22u
C304
2200p
C305
4700p
C306
47u/16V
C302
15K
R301
0.1u
C308
1000p
C401
1000p
C402
100
R401
100
R402
1.3uH
L222
0.022u
C207
3300p
C311
10u/16V
C312
TO N
XS31
TO P
TO NICAM
XS3101 TO P. 3--12 (Service Manual)
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
4
3
5
1
2
1
2
3
5
4
10
14
16
17
20
21
27
26
25
22
23
24
18
19
