Nikon coolpix7900 Repair Manual page 90

PW1
P1-41800/SWQ14-WNK
�������� ���� ����� ��� ��
JW541 UNREG(ST)
+
TO STROBO
JW542
-
L5009
JW501 1AV4L26B3450G
BAT+
TO BATTERY
L5010
1AV4L26B3450G
BAT-
JW502
2125
R5201
0;1/10Z
BAT_T
JW503
56 55 54 53 52 51 50 49 48 47 46 45 44 43
R5001
C5001 5.6K;1/16J
�����
1 FB4 OUT1S-2 42
0.01;B
�����
2 IN4- OUT1S-1 41
C5002 R5003
1000P;B
�����
3 FB5 OUT1D-2 40
4.7K;1/16J
IC501
�����
4 IN5- OUT1D-1 39
R5005
C5003 2200P;B
�
�����
5 FB6 PGND1-2 38
560;1/16J
QFA7723R-H4-G
����� 6 IN6- PGND1-1 37 �
FA7723R-H4-TE1
�����
7 IN6+ OUT2D-2 36
0.068;B R5007
����� VREF=0.5V
8 FB7 OUT2D-1 35
C5004
2.2K;1/16J
����� VREG=1.5V OUT2S-2
9 IN7- 34
PVZ2A_A04
(MURATA) R5009 �����
10 RT OUT2S-1 33
6.8K
� SWITCHING CONTROL
30K;1/16D 11 GND2 OUT4 32
VR501
�����
12 VREG OUT5 31
1AV4R3H7682NP
�����
13 VCC OUT6 30
OM/ORVR26Z
�����
H=0.85 14 DTCT OUT7 29
15 16 17 18 19 20 21 22 23 24 25 26 27 28
<BOOST/LENS>
2A
F5004
F47K2R0C3LFND
!
1608
2.0A 32V
M-GND
3 2
IC961
XC9104D095MP
DC-DC /CONV.
!
1608 4
2A
F5005
2.0A 32V
F47K2R0C3LFND
F5001 2A M-GND
!
1608 F47K2R0C3LFND
2.0A 32V
<FOR ANALOG>
CH4
F5002
!
2A
7
F47K2R0C3LFND
1608 T5001
8
2.0A 32V
1AV4L51B6441G
LDT565620T-VP2
6
D
5
Q5001
G
S RSR025N03
CH5 L5004
10;M
1AV4L2MH100MG
OM/ORLL98Z
H=2 H=1.2
CH7
NP04SB D5001
L5003
SD833-04(SC)
4.7;N
OM/ORLL79Z
D
G
Q5003 S
CPH3439-D-E
<FOR DIGITAL 3.25V>
CH2
L5005
�����
����� 10;M
1AV4L2JQ100MG
����� DB320C
�����
�����
CH1 <FOR DIGITAL 1.41V>
�����
����� L5006
10;M
�����
1AV4L2L5100MG
����� OM/ORLLA0Z
�����
�����
�����
<FOR BACKLIGHT> L5007
CH6
22;M
1AV4L2L5220MG
OM/ORLLA0Z
D9601
L9601
SD833-04(SC) (5.1V: PON_H)
10;M
H=3 (3.75V: PON_L)
D53LC
1 6
Q9601
2 5
FDC633N-NF
M-GND
OM/ORTR16Z
3 4
H=1.2
M-GND
1
R5046
3K;1/16J
Q9602
5 DTC144EM
M-GND
D5007 2125
L5001
1 1 5
47;M
2
1AV4L2FM470MG
3 4
HN2D01JE
R5043
4
68;1/16D
0;1/16Z
R5034
2
-7.6V(A)
3
Q5004
MCH5803-E
5 4
1 2 3
3.25V(D)
R5023
1.82K;1/16D
1.41V(D)
R5026
OM/ORTR71Z
Q5007
5.49K;1/16D
DTC114EM
5 4
4.7K;1/16J 1K;1/16J
1 2 3
Q5002 R5029 R5030
MCH5803-E
VAA46003-R.3659.A
PW1 回路図
PW1 CIRCUIT DIAGRAM
BOOST5.1V
UNREG
+15V(A)
Q5008
+12V(L)
2SA1774
1 6
2 5
3 4
DTC144E
EMF18
CN501
1AV4J10YB300G
MGND
30
MGND
29
MGND
28
VM5.1V
27
VM5.1V
26
VM5.1V
25
24 BAT-T
UNREG
23
GND
22
GND
21
GND
20
VDD1.4
19
VDD1.4
18
17 VDD3
VDD3
16
+15V(A)
15
-7V(A)
14
VDD5
13
PON
12
PAON
11
10 LCDON
LCDON2
9
BLON
8
GND
7
+12V(L)
6
BL_AN
5
BL_CA
4
3 GND
GND
2
GND
1
TO CP1(DMA)
CN102
LCD ANODE
LCD CATHODE
BLON
P ON
PA ON
LCD ON
MODEL: E7900
CIRCUIT DIAGRAM: PW1
- Ｅ14 ･ E7900 -