Dell P2210 Service Manual Page 8

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Service Manual
7
Electronic Circuit Theory
2.1 Inverter PWM circuit
2.1.1)Inverter Control circuit:(fig.2)
ZD3
BAV70
3
2
1
R17 10K/Open
C7
10nF
R10
200k/Open
R3 10K
C14
10nF/25V X7R
R1
10R
R7
330k
C3
10nF/25V X7R
R6
100K
T1A
R5
47K
R22
30K/Open
R8
820K
ISEN1
ISEN1
C24
0.1uF/50V
R16
100K
C35A
C11/Open
0.1uF/25V
C27
120p/Open
C13
10nF/25V
U2
P6006HVG
1
2
3
4
6
7
8
5
S1
G1
S2
G2
D2
D1
D1
D2
OLP2
T1A
R12
91K 1%
C5
2.2uF/16V
C34A
ZD5/Open BAW56
3
2
1
C16
27nF/Open
R4
10K
R2
100K
+5V
OLP1
PID_Input
R13
1M
C8
47nF/16V
U1
INL837
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
DRV1
VDDA
DIM
ISEN
PID
RSTR
RT
ENA VSEN
OVPT
LCT
SSTCMP
CT
TIMER
GNDA
DRV2
D9/Open
1N4148
DIM
R28
5K/Open
C22
1nF/50V
R24
4.7K
C6
10nF
+16V
R11
3.3M
R30
33R
R26 0R
C10
2.2uF/10V
R14
1M
DIM3
R20
100K
ON/OFF
R23
30K/Open
ZD4/Open
BAV70
3
2
1
R29
33R
PID_Input
OLP1
C25
2200p
ON/OFF3
C36A
C18
27nF/Open
+16V
C1
2.2uF/10V
C23
1nF/50V
C9
270pF/16V NPO
C28
120p/Open
C35A
R9
100K
R21
100K
+5V
C33A
T1B
C26
2200p
ISEN2
+5V
R18 0R
T1B
C2
1nF
C33A
D10
1N4148
DIM
R15
10K
R31
470R 1%
0V of lightest
DIM
CCFL_ON/OFF
OLP1
CN5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PIN1
PIN2
PIN3
PIN4
PIN5
PIN6
PIN7
PIN8
PIN9
PIN10
PIN11
PIN12
PIN13
PIN14
PIN15
PIN16
PIN17
PIN18
PIN19
PIN20
L858
CHK-053
ISEN1
T1A
4100-D02
CN2
1
2
C33A
3.3V ON
C31
10pF/3KV NP0
4100-D02
CN1
1
2
T1B
+16V
3.3V Lightest
C40
470uF/35V
C33A
0V
OFF
R32
470R 1%
R19
680R
+16V
C46
4.7uF/16V
C33
3pF/3KV NP0
ON/OFF
ISEN1
NC
CN4
1
2
PID
+5VU
C35
3pF/3KV NP0
R33
1K 1%
C35A
DIM
OLP1
D51
1N4148/short
T1B
D6 1N4148
T1A
NC
CN3
1
2
D5 1N4148
C35A
T1
DIP EEL19 SPW-080
1
6
4
3
10
7
Inverter DC to AC
A4
4Wednesday, December 24, 2008
Title
Size Document Number
Date: Sheet of
Fig.2
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