CFS-1085S - Sony Audio Service Manual (repair manual)

Model
CFS-1085S
Pages
30
Size
1.51 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cfs-1085s.pdf
Date

View Sony CFS-1085S Service Manual online

CFS-1085S
E Model
RADIO CASSETTE-CORDER
SERVICE MANUAL
SPECIFICATIONS
Model Name Using Similar Mechanism                   CFS-1065S
Tape Transport Mechanism Type
                MF-1055-117
9-873-310-03
2003L02-1
© 2003.12
Ver 1.2  2003.12
• Frequency range
FM: Saudi Arabia: 87.5–107 MHz/
Other countries: 87.5–108 MHz
MW: Saudi Arabia: 530–1 605 kHz/
Other countries: 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: Telescope/
MW: Built-in ferrite bar
• Recording system
  4-track, 2-
channel stereo
• Frequency response
  80–10 000Hz
• Speakers
  Woofer: 10 cm (4 inches)
dia., 6 
Ω,cone type/Tweeter: 2 cm
(
13
 ⁄
16
 inch) dia.
• Input 
 CD/TV LINE IN jacks
(phono jacks), sensitivity 0.436 V,
input impedance 47 k
• Output 
 Headphones jack (stereo
minijack), for 6–32 
Ω impedance
headphones
• Maximum Power output
10 W
• Battery life
FM Recording: Sony R20P: Approx.
5 hours/Sony LR20 alkaline:
Approx. 10 hours
Playback: Sony R20P: Approx. 1.5
hours/Sony LR20 alkaline:
Approx. 3 hours
• Power requirements
110–120V/220–240 V AC
selectable, 50/60 Hz
9V DC, six R20 (size D) batteries
• Power consumption
AC 14 W
• Dimensions
  Approx. 579 x 206 x
197 mm (w/h/d) (22 
7
 ⁄
8
 x 8 
1
 ⁄
8
 x
7
 ⁄
8
 inches) incl. projecting parts
and controls, not incl. handle
• Mass 
 Approx. 4.6 kg (10 lb 2 oz)
incl. batteries
• Supplied accessory 
 AC power
cord (1)
Design and specifications are
subject to change without notice.
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
2
CFS-1085S
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.
TABLE OF CONTENTS
1. GENERAL
.......................................................................... 3
2. DISASSEMBLY
2-1. Power Board ......................................................................... 4
2-2. LED Board, GE SW Board, MEGA BASS Board ................ 5
2-3. MAIN Board, MIC Board, VOL Board ................................ 5
2-4. Mechanism Deck, Tuner Board ............................................ 6
2-5. Record/Playback Head (HRP101), Erase Head (HE301),
         Belt, Motor (M601) ............................................................. 6
2-6. Dial Pointer Installation ........................................................ 7
3. ADJUSTMENT 
.................................................................. 8
4. DIAGRAMS
4-1. Circuit Boards Location ...................................................... 12
4-2. Block diagrams ................................................................... 13
4-3. Printed Wiring Board – Main Section – .............................. 14
4-4. Schematic Diagram – Main Section – ................................ 15
4-5. Schematic Diagram – Tuner Section – ................................ 16
4-6. Printed Wiring Board – Tuner Section – ............................. 17
4-7.
IC Block Diagrams ........................................................... 18
5. EXPLODED VIEWS
5-1. Rear Cabinet Section ........................................................... 20
5-2. Front Panel Section ............................................................. 21
5-3. Speaker Section ................................................................... 22
5-4. Mechanism Deck Section (1) .............................................. 23
5-5. Mechanism Deck Section (2) .............................................. 24
6. ELECTRICAL PARTS LIST
.................................
25
3
CFS-1085S
SECTION 1
GENERAL
This section is extracted from
instruction manual.
Location of controls
PHONES
FUNCTION
VOLUME
SOUND SELECT
BAND
FINE TUNING
TUNING
FM STEREO
CD/TV
LINE IN
MIC
MAXI BASS
OPR/
BATT
4
CFS-1085S
SECTION 2
DISASSEMBLY
2-1. POWER BOARD
Note:
 Disassemble the unit in the order as shown below.
Note:
 Follow the disassembly procedure in the numerical order given.
Set
Power board
LED board, GE SW board, Mega bass SW board
Record/playback head (HRP101), Erase head (HE301),
                                                          Belt, Motor (M601)
Main board, MIC board, VOL board
Mechanism deck, Tuner board 
Cabinet (rear)
Cabinet (front)
Screws (3X4)
Power board
1
Tuner board
(CNP1)
4
2
6
Screws (3X4)
1
Screws (3X10)
5
Main board
   (CNP305)
3
Cabinet (front) 
Cabinet (rear) 

Download Sony CFS-1085S Service Manual (Repair Manual)

Here you can view online and download Sony CFS-1085S Service Manual in PDF. CFS-1085S service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony CFS-1085S 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.