Grundig Toronto 32-7830 T, Service Manual

Page: 74 / 95

GR
UNDIG Ser
vice
Chassis BL (LX pr
ime IDTV)
2 - 48
F
S
2
0
0
0
FUSE
3A15
C2003
470nF 305V
L2001
2x18mH
C2004
470nF 305V
2
1
3
4
PH2000
TCET1100
C
2
0
4
4
680uF
35V
L2004
4.7uH
C
2
0
4
8
680uF
35V
IC
2
0
0
3
TL431CLP
R
2
0
4
6
2
2
k
24V
R
2
0
4
1
47k
R2043
22k
R
2
0
4
9
2
k7
VR2001 S14K385
C2043
47nF
C2038 56pF
C2009
220pF 250Vac
C
2
0
0
0
220pF
250Vac
T2003
BC848
R2042
39k
C
2
0
4
1
10nF
C
2
0
1
8
150u/450V
R
2
0
2
9
68k
C
2
0
3
1
10nF 1.5kV
D2008
UF208G
C2034
470pF 2kV
R2023
56R
R2022
100R
D2007
1N4148
C
2
0
2
8
47uF
63V
C
2
0
2
6
100nF
R2020
22k
R
2
0
3
0
330k
C2029
56pF
R
2
0
1
8
33k
C2020
1nF
R2008
4M7
C2014
1nF 250Vac
C2023
NC
D
M
G
1
FB
2
CS
3
GND
4
DRV
5
VCC
6
N
C
7
HV
8
IC2001
NCP1207A
R2036
1k2
R2037
820R
C2024
100nF 275V
R2027
0R
D2005
1N4148
1 2
HS2004
T2002
SPA08N80C3
R
2
0
5
0
47k
C2036 47nF
7
1
6
11
4
3
12
8
U2001
SMPS_LX (24V)
2
1
3
4
PH2001
TCET1100
L2003
4.7uH
C
2
0
4
5
1000uF
25V
IC2004
TL431CLP
R
2
0
5
9
1
0
k
12V
R
2
0
6
0
2
k7
C
2
0
4
9
4
7
n
F
C
2
0
4
6
5
6
p
F
R
2
0
5
3
3
9
k
R
2
0
2
8
68k C
2
0
3
3
10nF
1.5kV
D2009
UF4007
C
2
0
3
2
470pF
2kV
R2025
56R
C
2
0
2
7
47uF 63V
R
2
0
3
5
33k
R
2
0
3
4
NC
C2030
56pF
R
2
0
1
9
3
3
k
C2019
1nF
C
2
0
2
2
1
0
0
n
F
D
M
G
1
FB
2
CS
3
GND
4
DRV
5
VCC
6
N
C
7
HV
8
IC2002
NCP1207A
R2048
1k2
R
2
0
4
5
8
2
0
R
D2006
1N4148
R2026
0R
D2004
1N4148
1 2
HS2002
T2001
SPA04N80C3
R
2
0
4
4
47k
R2021
27R
7
1
6
11
4
3
12
8
U2000
SMPS_LX (12V)
2
1
3
D2010
MBRP3010N
2
1
3
D2011
MBRP3010N
C
2
0
4
2
680uF
35V
C
2
0
3
5
1000uF
25V
C
2
0
3
7
1000uF
25V
1 2
HS2003
P1
1
P2
2
P3
3
P4
4
P5
5
P6
6
P7
7
P8
8
P9
9
P10
10
P11
11
P12
12
S2002
2.5mm
P1
1
P2
2
P3
3
P4
4
P5
5
P6
6
P7
7
P8
8
P9
9
P10
10
S2001
2.5mm
1-Enable
C
2
0
4
7
100nF
SGND
R
2
0
4
7
1k2
6
7 9
10
200uH
L2000
PFC COIL
L2002
2x18mH
C2005
470nF 305V
R
2
0
5
4
4
7
k
T2004
BC848
R2057
22k %1
R
2
0
5
2
1
0
k
R
2
0
3
9
0
R
Z
D
2
0
0
0
1
8
V
ZD2002
18V
R
2
0
5
5
47k
R
2
0
5
6
4
7
k
1 2
3 4 S2000
MAINS
R
2
0
5
8
4
7
0
R
1 2
HS2000
1 2
HS2001
R2017
~ ~
-
+
DB2000
KBU6J
R2040
NC
R
2
0
5
1
N
C
C
2
0
0
7
1uF
400V
R
2
0
1
2
0R33
C
2
0
0
1
2.2nF
2kV
C2010
2.2nF 2kV
T2000
2SK3568
D2003
MUR460
D2001
1N5406
VO_S
1
COMP
2
MUL T
3
CS
4
ZCD
5
G
N
D
6
DRV
7
VCC
8
IC2000
NCP1606
R2005
22k
R2004
22k
R
2
0
0
3
N
C
R
2
0
0
2
N
C
R2011
0R
R2009
56R
R2010
0R
D2002
1N4148
D2015 M
B
R
S
1
3
0
L
T
3
R
2
0
1
6
820k
R
2
0
1
5
820k
R
2
0
1
4
5
k1
1
R
2
0
1
3
5
k3
6
C2017
NC
C2021
100nF 275V
R2007
68k
R
2
0
0
6
1
1
k
C
2
0
1
1
1
u
F
C
2
0
1
2
1
0
0
n
F
C2016
10nF
C
2
0
0
8
680pF
C2015
100nF
C
2
0
1
3
47uF
63V
VCC_IC
E E
R
2
0
3
2
0.47R
1/2W
R2024
680R C2025
NC
E
R
2
0
3
3
0R33
1W
R
2
0
3
1
33k
12V
D2000
1N4148
R
2
0
6
1
8
2
0
R
SGND
SGND SGND SGND SGND SGND
SGND
SGND SGND SGND SGND SGND SGND
SGND
SGND SGND SGND SGND
SGND
SGND
SGND
SGND
SGND
R
2
0
6
3
1
0
k
R
2
0
6
4
1
0
k
R
2
0
6
5
10k
R2068
100R
R2067
100R
R2066
100R
R2071
100R
R2070
100R
R2069
100R
C2050
1nF
C2052
1nF
24V
L2005
2*4MH 4.5A
C2002
220pF 250Vac
C2006
220pF 250Vac
C2054
220pF
2KV
R2062
100R
D2012
1N4148
ZD2001 18V
C
2
0
5
6
47uF
63V
T2005
MMBT2222ALT1
R2078
10R
T2006
MMBT2222ALT1
D2013
1N4148
R2079
10R
C
2
0
5
8
100nF
SGND
R2080
68k
D2014
1N4148
12V
1 2
S2003
AC IN
ZD2004
18V
P1
1
P2
2
P3
3
P4
4
P5
5
P6
6
P7
7
P8
8
P9
9
P10
10
P11
11
S2004
2.5mm
SGND
24V
DIM
BL CTRL
DI M
BL CTRL
E1 E1
E1
R2074
0R
R2073
0R
R2075
0R
R2076
0R
R2072
0R
R
2
0
1
2
A
0R33
Z
D
2
0
0
5
1
8
V
Z
D
2
0
0
6
1
8
V
Z
D
2
0
0
7
1
8
V
NP2
NP1
Aux.
2
4
V
(1
)
2
4
V
(2
)
S
h
ie
ld
NP2
NP1
Aux.
1
2
V
(1
)
1
2
V
(2
)
S
h
ie
ld
S2005
1
2
3
4
5
Netzteil-Platte / Power Supply Board
XLA194
4
5
NCP1207A, NCP1207B
+
-
V
CC
HV
8
1
5
2
3
6
4
GND
Drv
Demag
- +
Fault
Mngt.
+ -
7.0
mA
To Internal
Supply
+
12 V, 10 V,
5.3 V (fault)
PON
4.5 s
Delay
+ +
5
.0
V
OVP
/1.44
8.0 s
Blanking
-
+
5.0 s
Timeout
Demag
Demag
Overload?
Timeout
Reset
S
R
S*
Q
R*
Q
380 ns
L.E.B.
/3
1.0 V
10 V
50 mV
CS
FB
200 A
when Drv
is OFF
Driver: src = 20
sink = 10
*S and R are level triggered whereas S is edge triggered. Rhas priority over the other inputs.
V
CC
R
esd
R
int
4.2 V
Soft-Start = 1 ms
-
+
+
VUVLO
1
2
3