CFS-828S - Sony Audio Service Manual (repair manual)

Model
CFS-828S
Pages
34
Size
3.72 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cfs-828s.pdf
Date

View Sony CFS-828S Service Manual online

1
Model Name Using Similar Mechanism
NEW
Tape Transport Mechanism Type
MF-W828-117
SERVICE MANUAL
E Model
CFS-828S
RADIO CASSETTE-CORDER
Frequency range
FM:
EA model: 87.5 - 107 MHz/
E15, UAE model: 87.5 - 108 MHz
MW: EA model: 530 - 1,605 kHz/
E15, UAE model: 530 - 1,611 kHz
SW1: 2.3 - 7 MHz
SW2: 7 - 22 MHz
IF
FM: 10.7 MHz
MW/SW: 455 kHz
Antennas
FM/SW: Telescopic
MW: Built-in ferrite bar
Recording system
4-track, 2-channel stereo
Frequency response
80 - 12,500 Hz
Speakers
Full range: 10 cm (4 inches) dia., 6 
Ω, cone type/
Tweeter: 2 cm (
13/16
 inches) dia.
Output
Headphones jack (stereo minijack), for 16 - 68 
impedance headphones
Maximum Power output
9W
SPECIFICATIONS
Battery life
FM Recording: Sony R20P: Approx. 9 hours/
Sony LR20 alkaline: Approx. 23 hours
Playback: Sony R20P: Approx. 3 hours/
Sony LR20 alkaline: Approx. 8 hours
Power requirements
110 - 120 V/220 - 240 V AC selectable, 50/60 Hz
9 V DC, six R20 (size D) batteries
Power consumption
AC 18 W
Dimensions
Approx. 679 
× 263.5 × 239.5 mm (w/h/d)
(26 
6/8
 
× 10 
3/8
 
× 9 
4/9
 inches) incl. projecting parts
and controls, not incl. handle
Mass
Approx. 7.3 kg (16 lb 1 oz) incl. batteries
Supplied accessory
AC power cord (1)
Design and specifications are subject to change without
notice.
• Abbreviation
E15
: AC 220-240V area in E model
EA
: Saudi Arabia model
UAE : United Arab Emirates model
Ver 1.0  2001.11
9-873-410-01
2001K0400-1
© 2001.11
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
2
TABLE OF CONTENTS
1. GENERAL
............................................................................ 3
2. DISASSEMBLY
2-1.   Cabinet (Rear) Assy ............................................................ 4
2-2.   Power Board ........................................................................ 5
2-3.   Mechanism Deck ................................................................. 5
2-4.   H/P, LED2, Maxi Bass, VOL and Main Boards .................. 6
2-5.   F/T and Tuner Boards .......................................................... 6
2-6.   Jog and LED1 Boards ......................................................... 7
2-7.   REC SW Board, Belt and Motor Assy (W) (M301) ........... 7
3. DIAL POINTER SETTING
............................................. 8
4. MECHANICAL ADJUSTMENTS
................................. 9
5. ELECTRICAL ADJUSTMENTS
Tape Section ............................................................................ 9
Tuner Section ......................................................................... 10
6. DIAGRAMS
6-1.   Circuit Boards Location .................................................... 12
6-2.   Block Diagram .................................................................. 13
6-3.   Printed Wiring Boards – Tuner Section – ......................... 14
6-4.   Schematic Diagram – Tuner Section – .............................. 15
6-5.   Printed Wiring Boards – Main Section – .......................... 16
6-6.   Printed Wiring Boards – Power Section – ......................... 17
6-7.   Schematic Diagram – Main Section (1/2) – ...................... 18
6-8.   Schematic Diagram – Main Section (2/2) – ...................... 19
7. EXPLODED VIEWS
7-1.   Cabinet (Rear) Section ...................................................... 21
7-2.   Cabinet (Front) Section-1 .................................................. 22
7-3.   Cabinet (Front) Section-2 .................................................. 23
7-4.   Mechanism Deck Section-1 .............................................. 24
7-5.   Mechanism Deck Section-2 .............................................. 25
7-6.   Mechanism Deck Section-3 .............................................. 26
7-7.   Speaker Section ................................................................. 27
8. ELECTRICAL PARTS LIST
......................................... 28
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.
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.
CFS-828S
3
CFS-828S
SECTION 1
GENERAL
This section is extracted
from instruction manual.
VOLUME
MIC
OPR/BATT
FUNCTION
FINE TUNING
TUNING
BAND
Deck A
Deck B
PHONES
ISS (rear)
SOUND SELECT
MAXI BASS
VOLTAGE
SELECTOR
(rear)
Location of controls
4
CFS-828S
• The equipment can be removed using the following procedure.
SECTION 2
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
2-1. CABINET (REAR) ASSY
2-1. CABINET (REAR) ASSY
(Page 4)
2-2. POWER BOARD
(Page 5)
SET
2-6. JOG AND LED1
BOARDS
(Page 7)
2-4. H/P, LED2, MAXI BASS,
VOL AND MAIN BOARDS
(Page 6)
2-5. F/T AND TUNER BOARDS
(Page 6)
2-3. MECHANISM DECK
(Page 5)
2-7. REC SW BOARD, BELT AND 
MOTOR ASSY (W) (M301)
(Page 7)
2
 BVTP 3x16
3
 BVTP 3x16
4
 BVTP 3x16
5
 cabinet (rear) assy
6
 CNP311
7
 CNP1
1
 lid, battery case

Download Sony CFS-828S Service Manual (Repair Manual)

Here you can view online and download Sony CFS-828S Service Manual in PDF. CFS-828S service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony CFS-828S 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.