Service Document
Service
Manual
Service
Training
Ergänzung
Supplement
Exchange Set
DTR 1520 GRP5100
DTR 1524 GRP5300
DTR 2540 GRP4500
DTR 2544 GRP5400
Es gelten die Vorschriften und Sicherheitshinweise
gemäß dem Service Manual "Sicherheit", Ma-
S
terialnummer 720108000001, sowie zusätzlich
Sicherheit
Safety
Materialnr./Part No.
720108000001
Dieses Service Dokument ist nur in Datenform verfügbar
This Service Document is only available as data
Änderungen vorbehalten/Subject to alteration
Made by GRUNDIG in Germany • TCC 0406 MP
http://www.grundig.com
die eventuell abweichenden, landesspezifischen
Vorschriften!
The regulations and safety instructions shall be valid
as provided by the "Safety" Service Manual, part
S
number 720108000001, as well as the respective
national deviations.
DTR 1520, DTR 1524, DTR 2540 , DTR 2544
IC902
PC817X3
CY903
~400V222
HOT
COLD
D907
FR103
D909
1N5822
D908
FR103
D910 1N5822
+
C910
22uF/25V
+
C906
47uF/50V
+
C907
47uF/50V
+
C911
1000uF/16V
+
C912
470uF/10V
+
C915
470uF/10V
+
C909(OPEN)
220uF/25V
+
C914
1000uF/16V
+
C908
470uF/25V
L902
10uH
L904
10uH
L903
10uH
L905
10uH
R910
10K
R913
3.3K
R909
3.3K
R912
1K
R911
150R
R905
4.7K
1
2 3
IC903
AZ431
C916
0.1uF
Vin
1
GND
2
Vout
3
IC905
UA7805C
Vin
1
GND
2
Vout
3
IC904(1-3 SHORT)
MC7812CT
R908
150
+
C902
22uF/400V
D905
1N4007
R904
10K
D901
1N4007
D902
1N4007
D903
1N4007
D904
1N4007
+
C901
10uF/400V
R901
4.7K
L901
1.5mH
C904
0.1uF
R903
100
R902
68K/2W
C903
4n7/1KV
1
2
CN901
AC IN
F901 T1.6AL/250V
1
2
CN902
SW
D
SSS
S
BP
EN/UV
IC901
TNY267P
D906
1N4148
+
C905
10uF/35V
CY902(OPEN)
470pF
CY901(OPEN)
470pF
!
!
!
!
!
!
!
R906
4.7K
+
C913
47uF/50V
R907
4.7K
30V
1
GND
2
GND
3
5V
4
5V
5
12V
6
GND
7
3.3V
8
3.3V
9
JP902
2
4
6
7
8
10
12
11
13
14
16
9
15
T901
D911 FR103
+
C917
100uF/10V
R915
4.7K
D913 FR103
+
C918
100uF/50V
D912
4.3V
AC1
1
AC2
2
-21V
3
GND
4
JP901
R914
4.7K
DTR 1520, DTR 1524, DTR 2540 , DTR 2544
DTR 1520, DTR 1524, DTR 2540 , DTR 2544
PWM 1(d)
VCR ASPECT INFO:
12V 4:3AV
6V 16:9AV
0V ABSENCE
TV
4.5V output
correspond to the
50% duty,need to
be FINE TUNED
GPIO0 (d)
S Function
L nY0----nZ
H nY1----nZ
TO ADC 4
GPIO10 (u)
VCR
TO ADC 3
400mV ripper
SPDIF OUTPUT
STB_VCR_SWITCH:
1 = TV SCART OUT
0 = VCR SCART
OUT
RGB-CTRL:
0 CVBS
1 RGB
PWM 133KHz,
Duty Cycle Mode:
100% 0V STANDBY
45-55% 6V 16:9
0% 12V 4:3
VCR RGB-INFO:
0 CVBS
1 RGB
TV_VOUT
B_TV
VCR_LIN
VCR_VIN
VCR_VIN
CVBS-ALL
VCR_BOUT
TV_LOUT
VCR_GOUT
AUDIO_R
ASPECT_TV
VCR_LIN
G_TV
VCR_VOUT
AUDIO_R_S
VCR_RIN
TV_ROUT
AUDIO_L
VCR_RIN
CVBS_RGB
R_TV VCR_ROUT
AUDIO_R_S
VCR_VOUT
AUDIO_R
TV_VOUT
TV_ROUT
AUDIO_L_S
AUDIO_L
IEC_1
VCR_BOUTVCR_GOUT VCR_ROUT
VCR_ASPECTVCR_ASPECT_SENSE
VCR_ASPECTVCR_ASPECT_SENSE
ASPECT_TV
VCR_RGB_SENSE
TV_LOUT
AUDIO_L_S
CVBS/Y-O
ASPECT_SENSE
CVBS-O
R/C-O
STB-RGB
Y-O
RGB_SENSE
C-O
MUTEC
CVBS/Y-O
STB-ASPECT
MAIN-L
MAIN-R
R-O
STB_VCR_SWITCH
SPDIF
G-O
B-O
R/C-O
SV_CTL
REC_CTL
CVBS-O
12V
5V
12V
5V
12V
5V
12V
5V
5V
5V
5V
12V
12V
5V
C4
220uF/10V
R31 100
C224
10PF/16V
R202
120R
U2
4053
12
13
2
1
5
3
611
10
9
14
15
4
16
8
7
X0
X1
Y0
Y1
Z0
Z1
INHA
B
C
X
Y
Z
VDD
VSS
VEE
U21B
74HCT04N
3 4
14
7
U21E
74HCT04N
11 10
14
7
R33
220R
R9
2.2K
C236
1000pF/16V
J2
AV4-8413-D
1
3
2
4
6
5
R20
10K
R35
100K
J802-1
SCART
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
C229
220uF/10V
R34
2.2K
C226
0.1UF/16V
R221
1K
U21F
74HCT04N
13 12
14
7
Q15
2N3904
R205
93.1/1%
R25
120R
R39
220R
U22
GP1FA550TZ
2
3
1
VCC
Gnd
IN
C19
100uF/16V
C237
1000pF/16V
Q8
2N3906
C2210uF/16V
Q14
2N3906
Q2
2N3904
R220
4.7K
C2410uF/16V
R48 10K
FB14
BK1608HM601-T
R28
82
Q1
2N3904
R3
10R
R13
1K
R206
120R
U3
4053
12
13
2
1
5
3
611
10
9
14
15
4
16
8
7
X0
X1
Y0
Y1
Z0
Z1
INHA
B
C
X
Y
Z
VDD
VSS
VEE
R10
10K
Q13
2N3906
Q11
2N3904
U21D
74HCT04N
9 8
14
7
C23
100uF/25V
R47 10K
R32
1K
R41
100K
R36
4.7K
R29
82
R4482R45
82
R4
300R
R46
82
Q41
2N3906
Q43
2N3906
C12
100uF/10V
R203
R42
3.3K
C3
0.1uF/16V
R27
120R
U21C
74HCT04N
5 6
14
7
C14 220uF/10V
C15
220uF/10V
R7
1K
R50 10K
C5 220uF/10V
U21A
74HCT04N
1 2
14
7
Q42
2N3906
R37
15K
R16
1K
C225
0.1UF/16V
Q7
2N3906
J8-1
SCART
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
R38
1K
Q17
2N3904
R26
220R
Q10
2N3904
R207
220R
R49 10K
R8
10K
R30 100
C21
100uF/25V
FB15
BK1608HM601-T
R52
4.7K
C20 220uF/10V
R19 33K
C223
0.1UF/16V
R51
1K
R12
75R
R43
82
C16
220uF/10V
+
C221
220UF/16V
Q12
2N3906
R208
120R
C227
220uF/10V
C1810uF/16V
Q44
2N3906
R11
1K
R40
2.2K
C1710uF/16V
R204
390
Q4
2N3904
Q9
2N3906
C228
220uF/10V
Q3
2N3904
C222
100PF/16V
DTR 1520, DTR 1524, DTR 2540 , DTR 2544