SRF-PSY04 - Sony Audio Service Manual (repair manual)

srf-psy04 service manual
Model
SRF-PSY04
Pages
16
Size
1.47 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / S/M SRF-PSY04 99 US
File
srf-psy04.pdf
Date
Next: Sony ICF-303 / ICF-303L Service Manual

Read Sony SRF-PSY04 Service Manual online

MICROFILM
SERVICE MANUAL
FM STEREO/AM PLL
SYNTHESIZED RADIO
US Model
SPECIFICATIONS
SRF-PSY04
Photo: Blue model
Ver 1.0  1999. 06
– 2 –
TABLE  OF  CONTENTS
1.
GENERAL
...................................................................
3
2.
DISASSEMBLY
.........................................................
4
3.
ELECTRICAL  ADJUSTMENTS
.........................
5
4.
DIAGRAMS
4-1. Block Diagram ................................................................
7
4-2. Printed Wiring Boards .....................................................
9
4-3. Schematic Diagram ......................................................... 11
4-4. IC Pin Function Description ........................................... 15
5.
EXPLODED  VIEW
................................................... 16
6.
ELECTRICAL  PARTS  LIST
............................... 17
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.
CF3
CF1
mark
Mark
Center frequency
red
10.70 MHz
blue
10.67 MHz
orange
10.73 MHz
black
10.64 MHz
white
10.76 MHz
HOW  TO  CHANGED  THE  CERAMIC  FILTERS
This model is used two ceramic filters of CF1 and CF3.
You must use same type of color marked ceramic filters in order to
meet same specifications.
Therefore, the ceramic filter must be changed two pieces together
since it’s supply two pieces in one package as a spare parts.
– 3 –
SECTION  1
GENERAL
This section is extracted from
instruction manual.
– 4 –
FRONT CABINET
MAIN BOARD, KEY  BOARD
SECTION  2
DISASSEMBLY
Note: 
Follow the disassembly procedure in the numerical order given.
4
front cabinet
3
two claws
1
lid, battery case
2
two screws
(P2 
×
 8)
3
two claws
1
two claws
2
KEY board
2
MAIN board
Page of 16
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Download Sony SRF-PSY04 Service Manual (Repair Manual)

Here you can read online and download Sony SRF-PSY04 Service Manual in PDF. SRF-PSY04 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony SRF-PSY04 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.

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