ICD-UX543, ICD-UX543F, ICD-UX544F - Sony Audio Service Manual (repair manual). Page 3

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ICD-UX543/UX543F/UX544F
3
SECTION  1
SERVICING  NOTES
ABOUT  THE  BOARDS  REPLACING
When the boards installed in this unit are defective, exchange the 
complete mounted board.
However the microphone jack (J301) and headphone jack (J302)  
on the MAIN board are exchangeable. Refer to “4. EXPLODED 
VIEWS” (page 22).
ABOUT  THE  HANDLING  OF  THE  BATTERY  SUB  
ASSY (BAT301)
When the BATTERY SUB ASSY (BAT301) is removed, insulate 
the end of wire by a tape etc. to prevent short-circuited of the wire 
part of BATTERY SUB ASSY (BAT301).
wire
wire
Wrap by the tape etc. and 
insulate the end of wire.
1. 
SERVICING  NOTES 
 .............................................  
3
2. DISASSEMBLY
2-1. Disassembly 
Flow 
...........................................................   5
2-2. Case 
(Rear) 
Assy 
.............................................................   6
2-3. Ornament 
(MIC) 
.............................................................   7
2-4. MAIN 
Board 
...................................................................   8
2-5.  Electret Cap Microphone  (L/R-ch) 
(MIC301, MIC302) .........................................................   9
2-6.  Battery Sub Assy (BAT301) ...........................................   9
2-7.  Spring Link (USB) ..........................................................   10
2-8.  Window (EL) Sub Assy ..................................................   10
2-9.  Case (Front) Block ..........................................................   11
2-10.  Speaker Sub Assy (SP1) .................................................   12
TABLE  OF  CONTENTS
Model
Destination
Color
Silver
Black
Pink
Blue
Sepia Brown
ICD-UX543
Canadian
z
AEP
z
z
z
ICD-UX543F
E
z
z
z
z
z
Chinese
z
z
z
z
Latin American
z
z
Korean
z
z
z
ICD-UX544F
Chinese
z
z
COLOR  VARIATION
2-11.  USB Slide Block .............................................................   12
2-12.  Base Knob USB Assy .....................................................   13
2-13.  USB Slide Assy (USB1) .................................................   14
2-14.  Organic EL Indicator Element (EL1) ..............................   14
3. 
TEST  MODE 
 ............................................................   15
4. 
EXPLODED  VIEWS
4-1.  Case (Rear) Section ........................................................   22
4-2.  MAIN Board Section ......................................................   23
4-3. Chassis 
Section 
...............................................................  24
4-4.  Case (Front) Section .......................................................   25
5. ACCESSORIES 
 .......................................................   26
Ver. 1.1
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