Power Supply - Sony DSC-S75 Training Manual

Power Supply

Since troubleshooting is limited to identifying the defective board or module, the power supply description is
limited to a circuit understanding for troubleshooting purposes. Refer to Figures 15-1a and 15-1b.
DC IN
1
2
3
CN401
Q401,
CN402
+ 1
S 2
3
-
BATT.
TERMINAL
Chapter 15 - DSC-F707 Power Supply
BT-006 BD.
F401,
Q402
Q403,
F404
404
D403
F405
BATT
GND FLASH
DC-DC
CONV.
300VDC
FIGURE15-1a - F707 POWER SUPPLY
2,3 CN403
CN001
2
3
4
6
BATT./XEXT
7
FAST CHARGE
8
INIT. CHARGE
5
BATT. SIG
1
BATT.UNREG
STB. CHARGE
11
XTB FULL
12
TO POWER
1
BLOCK 2
35
15. DSC-F707 Power Supply
UNREG 1
2
3
UNREG 2
4
UNREG 3
6
7
8 FR-181 BD.
5
1
TO IC102 FRONT
CONTROL
11
12
12DSC02a 1531 10/7/02