Service Manuals, User Guides, Schematic Diagrams or docs for : NOKIA Monitor nokia 445pro 445N[1].part4
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Block diagram
38
445N
NOTE! PFC DEMA
Safety components marked with R137 R138
Q104 Q102
1
1
4M7 4M7
2
3
4
5
6
5
4
3
2
must be replaced with original
or approved components only.
All printed boards and the back PTC102 PTC101
18R 18R
cover are also safety components.
15V
+T
+T
3 2 1 D115
1
UC7112 RE101 LL4148
QH0074
C102 NTC101 4 5 6
D101 T111
4n7 M101 M102 5R GBU4K BCR112W D116 R151
400VAC FJ0801 FJ1841 1N4148 DEMA
470R
-T C106 4
C101 4n7
3
4
4
3
Q101 470n R101 C104 400VAC C151
275V 1M0 100n C107 10u
1
1
2
2
250VAC 4n7 50V
C105 400VAC
C103
T6.3A H 250V 4n7 330u
400VAC 385V R107 R108 POWER1
4
6V
R139 R104 470k 470k D122
33k 4 L106
10k0 RHRD460S FJ0505
C118 9,8 13
160V
C135 C129 C128 D124
C137
UC7123
1n0 47u 1N4002
C119 22n 47p 2n2
R124 D119 200V
10n 630V 1kV 500V
4k7 LL4148
R113 R152 T109
1
47k D114
470R UC7123 BC369
RHRD460S 1
IC101 C109 D103 19
C108 R148
UC3843A 2n2 BYV26C
R115 C112 1
UC6879 2 22n 220R
4n7 1 8 630V D121
10k COMP VREF 6,5 1
UC7123 L104 T108
500V RHRD460S UC7111
5V
T101 FJ0505 1
IC108 BCR141W
2 7
VFB VCC
14
80V GND 7812 POWER_OFF
R118 C127 4
R114 R116 D118 3 6 M104 C136
10k LL4148
ISENSE OUTPUT
100p
100u IN OUT 12V
6k81 33R FM3512 R112 100V
4 5 IRFIB6N60A C146 REF C147
RT/CT GND C113 10u 1u0
1u0 C115 1k6V 470R 50V 50V
C111 C117 R134 18
R130 10u C116
10n R119
47k 50V 100n
63V 50V 2k2
330p 100R UC7123 D112 L101
1
RHRD460S FJ0448
D105
5V
T102 C114 R106 15V
BC857B 100p 1 1N5818
R117
R121
4R7
21 C145
0R47 1000u
25V
15V
5V
1k5 R156
D102 10k
LL4148 17 UVLO
R153 C110 2,4
DZ101 4k7 100n
18V R120 R122 DZ102 R149
0R47 0R47 C126
D104 9V1 10k
1000u
LL4148 L103
D120 25V
FJ0448 T112
2 15 R155
D106 R123 -12V BC847B
220R 1k5
BAV103 BYW98-200 L102
D113 T113
R154 F102 FJ0448 BC847B
2k2 R110 R109 6V
100k 100k 7 20 C142 R150
T3.15A BYW98-200 C125 100n
R142 R143 270R
2200u 1k0 10k 63V
16V
R111
12k1
T103 16 5V R146
BCR191 C141 154k
IC102
PS2501-1L 1n0
1
3
4 1 R141
1k5 T110 IC107 R144 R145
BCR141W TL431 33k 2k61
3 2
SUSPEND
2
R127 R140
C122 1k0 4
1k00 IC106
L108 680p
PS2501-1L 500V E101
6u8 H_FLY MECH
4 1 2-4
3 2 D117
LL4148 L107 Q103
D108 D107 n.c. 1
BYV26C P6KE200A M105 2
PGND 1
UC7123
3 FM2578 C131 R147 C134
3
5V OUT
IC104 C120 1000u 220R n.c.
TOP223P 9 16V
10u
CONTROLDRAIN 400V 7
4 5 1
D110 L105
R126 S S(HVRTN) 5
3 6 10 5V
10R D109 R125 FJ0448
S S(HVRTN) 6 BYV27-200 R131
2 7 R136 R133
220R C133
C123 C121 2k2 10k0
S S(HVRTN) BAV103 4R7 C132 100u
10u 1 8 10u
100n R102 25V
50V 50V
4 1 R105
2k2
T106
BC857B
ECN
3 2 63V 10k
SMD SMD 2W T105 D111 445N28
BC807 IC103 1N4148
T104 PS2501-1L RESET
1
3
4
ELECTROLYTIC SMD 1W 3W etc. BCR141W IC105 R132 R103
TL431 10k0 220k
POLYCARBONATE R135
0.25W 0.25W NF 1k0
POLYESTHER
2
C124
POLYPROPYLENE 0.5W 0.5W NF 10n R128 R129 POWER2
4
CERAMIC 1W 470k 470k
SMA251H 1
445N SB5249 01.00 Page 7
SMD SMD 2W
ELECTROLYTIC SMD 1W 3W etc.
POLYCARBONATE
0.25W 0.25W NF
POLYESTHER
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