FujiFilm FINEPIX A400, Service Manual

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3. Schematics
FinePix A400 Service Manual
3. Schematics
3-1. Cautions
<Cautions when replacing parts>
• Do not reuse removed parts. Always use new parts.
• Note that the negative side of tantalum condensers is readily damaged by heat.
• Except for chemical condensers and tantalum condensers, voltage is not displayed on condensers with a voltage
resistance of 50V or less.
• Resistors not marked are 1/16W chip resistors.
• K
Ω
= 1000
Ω
, M
Ω
= 1000K
Ω
• B characteristics of variable resistors and semi-fixed resistors are not displayed.
3-2. Basic Block Names and Functions
Part name Block name Function
LENS CONST CCD BLOCK CCD output
MAIN PWB ASSY CAMERA BLOCK CCD output A/D conversion (IC104)
MOTOR BLOCK Shutter/iris/AF/zoom drive (IC701)
VIDEO BLOCK Video IN/OUT (IC401)
KEY BLOCK Key switch
STRB BLOCK Flash charge
MEDIA BLOCK Media data IN/OUT, Shutter SW
LCD BLOCK LCD output CN, Back light control
DCDC BLOCK Power supply generation (IC313), Flash charge control,
Power control
PROCESS BLOCK Image signal processing, USB communications,
system control (IC204)
SUB PWB ASSY STRB BLOCK Flash charge