SRF-M55 - Sony Audio Service Manual (repair manual)

srf-m55 service manual
Model
SRF-M55
Pages
14
Size
974.82 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
srf-m55.pdf
Date

Read Sony SRF-M55 Service Manual online

Ver 1.0  1999.09
MICROFILM
SRF-M55
SERVICE MANUAL
FM STEREO PLL SYNTHESIZED RADIO
SPECIFICATIONS
AEP Model
E Model
Chinese Model
– 2 –
Specifications ...........................................................................  1
1. GENERAL
Location and Function of Controls .................................... 2
2. DISASSEMBLY
2-1. “Cabinet ASSY, Front”, “Cabinet ASSY, Rear” ......... 3
2-2. Main Board ................................................................. 3
2-3. LCD201 ...................................................................... 4
2-4. Microcomputer Board ................................................. 4
3. ADJUSTMENTS
.......................................................... 5
4. DIAGRAMS
4-1. Explanation of IC Terminals ....................................... 6
4-2. Block Diagrams .......................................................... 7
4-3. Printed Wiring Boards .............................................. 10
4-4. Schematic Diagram ................................................... 13
5. EXPLODED VIEW
..................................................... 17
6. ELECTRICAL PARTS LIST
.................................... 18
Flexible Circuit Board Repairing
• Keep the temperature of the 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.
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.
TABLE OF CONTENTS
SECTION 1
GENERAL
LOCATION AND FUNCTION OF CONTROLS
– 3 –
SECTION 2
DISASSEMBLY
Note :
 Follow the disassembly procedure in the numerical order given.
2-1. “CABINET ASSY, FRONT”, “CABINET ASSY, REAR”
2-2. MAIN BOARD
r
 The equipment can be removed using the following procedure.
Cabinet ASSY, Front
Cabinet ASSY, Rear
Set
Main board
Microcomputer board
LCD201
1
 Screws (B1.7x8)
2
 Claws
2
 Claws
3
4
 Flexible board
     (10 core)
5
 LCD flexible board (13 core)
Cabinet ASSY, rear
Cabinet ASSY, front
2
 Claw
3
 Claw
4
1
2
Main board
Cabinet ASSY, front
Button (power)
Lid, battery case
3
 Claw
– 4 –
2-3. LCD201
2-4. MICROCOMPUTER BOARD
1
 Claws
2
Cabinet ASSY, front
LCD201
1
 Screws (1.4)
3
5
Cabinet ASSY, rear
4
 Claw
4
 Claws
2
 Claws
Microcomputer board
Cover, side  
Page of 14
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Download Sony SRF-M55 Service Manual (Repair Manual)

Here you can read online and download Sony SRF-M55 Service Manual in PDF. SRF-M55 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony SRF-M55 Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.