Grundig Toronto 32-7830 T Service Manual page 74

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