CFM-20 (serv.man2) - Sony Audio Service Manual (repair manual)

Model
CFM-20 (serv.man2)
Pages
22
Size
1.7 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cfm-20-sm2.pdf
Date

View Sony CFM-20 (serv.man2) Service Manual online

Ver 1.2  2004.05
CFM-20
SERVICE MANUAL
RADIO CASSETTE-CORDER
SPECIFICATIONS
AEP Model
UK Model
E Model
9-873-105-23
2004E02-1
© 2004.05
Model Name Using Similar Machanism
CFM-S1
Tape Transport Mechanism Type
MF-M20-117
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
2
CFM-20
TABLE OF CONTENTS
Specifications ...........................................................................  1
1.
GENERAL
Location and Function of Controls .................................... 2
2.
DISASSEMBLY
2-1. Cabinet (Front) Sub ASSY,  Cabinet (Rear) ASSY .... 3
2-2. MD ASSY ................................................................... 3
2-3. Record/Playback Head (HRP101),
       Reel/Capstan Motor (M101),Belt ............................... 4
2-4. Jack Board (AEP, UK, IT, CET, HK, SP, AR model)
       Main Board ................................................................. 4
2-5. Batt (+) Board, Power Board
       (AEP, UK, IT, CET, HK, SP, AR model) .................... 5
2-6. Batt (+) Board, Power Board
       (C&SA, MX, TW model) ........................................... 5
3.
ADJUSTMENTS
3-1. Mechanical Adjustments ............................................. 7
3-2. Electrical Adjustments ................................................ 7
4.
DIAGRAMS
4-1. Block Diagrams ......................................................... 11
4-2. Printed Wiring Boards .............................................. 12
4-3. Schematic Diagrams  -Main Section (1/2) - ............. 13
4-4. Schematic Diagrams  -Main Section (2/2) - ............. 14
5.
EXPLODED VIEWS
5-1. Front Cabinet Section ............................................... 17
5-2. Rear Cabinet Section ................................................ 18
5-3. Mechanism Deck Section-1(MF-M20-117) ............. 19
5-4. Mechanism Deck Section-2(MF-M20-117) ............. 20
6.
ELECTRICAL PARTS LIST ........................................ 21
SECTION 1
GENERAL
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 
! OR DOTTED LINE WITH
MARK 
!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 section is extracted from
instruction manual.
Location and Function of Controls
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice than the minus side of a tantalum capactior may be
  damaged by heat.
3
CFM-20
SECTION 2
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
2-2. MD ASSY
• The equipment can be removed using the following procedure.
Set
Cabinet (front) sub ASSY
Cabinet (rear) ASSY
Jack board, Main board
Batt(+) board, Power board
MD ASSY
Record/playback head (HRP101),
Reel/capstan motor (M101), Belt
3
1
2
Screws (+ BVTP 3X14)
2
Screws
 (+ BVTP 3X14)
4
Remove solder (two place)
5
CNP103
6
Cabinet (front) sub ASSY
Lid, BATT
Cabinet (rear) ASSY
White
White/red
3
4
CNP102
1
Screw (+ BVTP 3X10)
2
CNP101
5
MD ASSY
Bracket (VOL)
Cabinet (rear) ASSY
• Abbreviation
SP
: Singapore
AR
:Argentina
HK
: Hong Kong
MX
:Mexican
IT
: Italian
TW
:Taiwan
C&SA : Central and South America
CET
: East European & Russian
2-1. CABINET (FRONT) SUB ASSY, CABINET (REAR) ASSY
4
CFM-20
2-3. RECORD/PLAYBACK HEAD (HRP101), REEL/CAPSTAN MOTOR (M101), BELT
2-4. JACK BOARD (AEP, UK, IT, CET, HK, SP, AR model), MAIN BOARD
1
Screws Tapping+B
(+PTT 2X5(s))
MD ASSY
4
Record/playback
    head (HRP101)
8
Reel/capstan
   motor (M101)
MD ASSY
M101
Belt
Flywheel ASSY
• Attaching belt
6
Spring, Compr
3
Screws
 + PTT 2X 5
7
Screws + P2.6X 5
9
Belt
5
Lug (T), plate
2
Guide, tape
7
8
6
1
2
0
4
Screw
(+ BVTP 3X10)
3
Screw
(+ BVTP 3X10)
Jack board
9
 CNP901
Main board
MCabinet (rear)
knob (VOL)
knob (FUN)
Chasis
5
Screw
(+ BVTP 3X10)

Download Sony CFM-20 (serv.man2) Service Manual (Repair Manual)

Here you can view online and download Sony CFM-20 (serv.man2) Service Manual in PDF. CFM-20 (serv.man2) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony CFM-20 (serv.man2) 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.