DOWNLOAD Sony HCD-FX350I Service Manual ↓ Size: 1.73 MB | Pages: 40 in PDF or view online for FREE

Model
HCD-FX350I
Pages
40
Size
1.73 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-fx350i.pdf
Date

Sony HCD-FX350I Service Manual ▷ View online

HCD-FX350i
2
1. 
SERVICING  NOTES
  .............................................   3
2. DISASSEMBLY
2-1. Disassembly 
Flow 
...........................................................   5
2-2.  Panel (Rear) Block ..........................................................   5
2-3.  Top Panel Block ..............................................................   6
2-4.  Front Panel Block ...........................................................   6
2-5. Knob 
(VOL) 
....................................................................   7
2-6.  Module (DAB Tuner) Block, MAIN Board ....................   7
2-7. Base 
Unit 
.........................................................................   8
2-8.  Optical Pick-up Block (DA11MMVGP) ........................   8
3. 
TEST  MODE 
 ............................................................   9
4. 
ELECTRICAL  CHECK 
 .........................................   10
5 DIAGRAMS
5-1.  Block Diagram - CD, TUNER Section - ........................   12
5-2. Block 
Diagram 
- OUTPUT, PANEL, POWER SUPPLY Section - .........   13
5-3.  Printed Wiring Board - BD73 Board - ............................   16
5-4.  Schematic Diagram - BD73 Board - ...............................   17
5-5.  Schematic Diagram - MAIN Section (1/2) - ...................   18
5-6.  Schematic Diagram - MAIN Section (2/2) - ...................   19
5-7.  Printed Wiring Boards - MAIN Section - .......................   20
5-8.  Printed Wiring Board - IP Board - ..................................   21
5-9.  Schematic Diagram - IP Board - .....................................   21
5-10.  Schematic Diagram - PANEL Board (1/2) - ...................   22
5-11.  Schematic Diagram - PANEL Board (2/2) - ...................   23
5-12.  Printed Wiring Board - PANEL Board - .........................   24
5-13.  Printed Wiring Board - PT Board - .................................   25
5-14.  Schematic Diagram - PT Board - ....................................   25
6. 
EXPLODED  VIEWS
6-1. Overall 
Section 
...............................................................  28
6-2.  Top Panel Section ...........................................................   29
6-3.  Front Panel Section .........................................................   30
6-4. Chassis 
Section 
...............................................................  31
7. 
ELECTRICAL  PARTS  LIST
  ..............................   32
TABLE  OF  CONTENTS
NOTES  ON  CHIP  COMPONENT  REPLACEMENT
•  Never reuse a disconnected chip component.
•  Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
FLEXIBLE  CIRCUIT  BOARD  REPAIRING
•  Keep the temperature of soldering iron around 270 °C during 
repairing.
•  Do not touch the soldering iron on the same conductor of the 
circuit board (within 3 times).
•  Be careful not to apply force on the conductor when soldering 
or unsoldering.
SAFETY-RELATED  COMPONENT  WARNING!
COMPONENTS  IDENTIFIED  BY  MARK  
0  OR  DOTTED  LINE  
WITH  MARK  
0  ON  THE  SCHEMATIC  DIAGRAMS  AND  IN  
THE  PARTS  LIST  ARE  CRITICAL  TO  SAFE  OPERATION.
REPLACE  THESE  COMPONENTS  WITH  SONY  PARTS 
 
WHOSE  PART  NUMBERS  APPEAR  AS  SHOWN  IN  THIS  
MANUAL  OR  IN  SUPPLEMENTS  PUBLISHED  BY  SONY.
This appliance is classifi ed as 
a CLASS 1 LASER product.
This marking is located on the 
rear exterior.
CAUTION
Use of controls or adjustments or performance of procedures 
other than those specifi ed herein may result in hazardous radia-
tion exposure.
HCD-FX350i
3
SECTION  1
SERVICING  NOTES
UNLEADED  SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution:  Some printed circuit boards may not come printed with 
the lead free mark due to their particular size)
 : LEAD  FREE  MARK
Unleaded solder has the following characteristics.
•  Unleaded solder melts at a temperature about 40 °C higher 
than ordinary solder.
 
Ordinary soldering irons can be used but the iron tip has to be 
applied to the solder joint for a slightly longer time.
 
Soldering irons using a temperature regulator should be set to 
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if 
the heated tip is applied for too long, so be careful!
• Strong 
viscosity
 
Unleaded solder is more viscous (sticky, less prone to fl ow) 
than ordinary solder so use caution not to let solder bridges 
occur such as on IC pins, etc.
•  Usable with ordinary solder
 
It is best to use only unleaded solder but unleaded solder may 
also be added to ordinary solder.
NOTES  ON  HANDLING  THE OPTICAL  PICK-UP  
BLOCK  OR  BASE  UNIT
The laser diode in the optical pick-up block may suffer electro-
static break-down because of the potential difference generated by 
the charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also 
use the procedure in the printed matter which is included in the 
repair parts.
The fl exible board is easily damaged and should be handled with 
care.
MODEL  IDENTIFICATION
- Back Panel -
LASER  DIODE  AND  FOCUS  SEARCH  OPERATION  
CHECK
During normal operation of the equipment, emission of the laser 
diode is prohibited unless the upper lid is closed while turning on 
the SW880. (push switch type)
The following checking method for the laser diode is operable.
• Method
  Emission of the laser diode is visually checked.
  1.  Open the upper lid.
  2.  Push the SW880 as shown in Fig.1.
Note: Do not push the detection lever strongly, or it may be bent or 
damaged.
  3.  Check the object lens for confi rming normal emission of the 
laser diode. If not emitting, there is a trouble in the automatic 
power control circuit or the optical pick-up.
    In this operation, the object lens will move up and down 2 
times along with inward motion for the focus search.
SW880
Fig. 1.  Method to push the SW880
Model
Part No.
AEP and UK models
4-178-703-0
[]
Australian model
4-178-704-0
[]
NOTES  ON  LASER  DIODE  EMISSION  CHECK
The laser beam on this model is concentrated so as to be focused 
on the disc refl ective surface by the objective lens in the optical 
pickup block. Therefore, when checking the laser diode emission, 
observe from more than 30 cm away from the objective lens.
Part No.
Ver. 1.1
HCD-FX350i
4
CAPACITOR  ELECTRICAL  DISCHARGE  PROCESSING
When checking the board, the electrical discharge is necessary for 
the electric shock prevention.
Connect the resistors referring to the fi gure below.
•   PT board (C905) 
•   MAIN board (C903, C904)
Both ends of respective capacitors.
– PT Board (Conductor Side) –
– MAIN Board (Conductor Side) –
800 
:/2 W
800 
:/2 W
800 
:/2 W
C905
C903
C904
HCD-FX350i
5
SECTION  2
DISASSEMBLY
•  This set can be disassembled in the order shown below.
2-1.  DISASSEMBLY  FLOW
2-3.  TOP PANEL BLOCK
 (Page 
6)
2-2.  PANEL (REAR) BLOCK
 (Page 
5)
2-7. BASE 
UNIT
 (Page 
8)
2-4.  FRONT PANEL BLOCK
 (Page 
6)
2-8.  OPTICAL PICK-UP BLOCK
 (DA11MMVGP)
 (Page 
8)
2-5. KNOB 
(VOL)
 (Page 
7)
2-6.  MODULE (DAB TUNER) BLOCK, 
 MAIN 
BOARD
 (Page 
7)
SET 
Note: Follow the disassembly procedure in the numerical order given.
2-2.  PANEL (REAR) BLOCK
Note: This illustration sees the set from rear side.
3
2 two screws
(BVTP3 
u 10)
4 panel (rear) block 
1 three screws
 (BVTP3 
u 8)
2 four screws
 (BVTP3 
u 10)
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Sony HCD-FX350I Service Manual ▷ Download

  • DOWNLOAD Sony HCD-FX350I Service Manual ↓ Size: 1.73 MB | Pages: 40 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sony HCD-FX350I in PDF for free, which will help you to disassemble, recover, fix and repair Sony HCD-FX350I Audio. Information contained in Sony HCD-FX350I Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.