CFS-1085SMK2 - Sony Audio Service Manual (repair manual)

cfs-1085smk2 service manual
Model
CFS-1085SMK2
Pages
29
Size
1.48 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cfs-1085smk2.pdf
Date

Read Sony CFS-1085SMK2 Service Manual online

CFS-1085SMK2
E Model
SERVICE MANUAL
RADIO CASETTE-CORDER
Sony Corporation
Presonal Audio Company
Published by Sony Engineering Corporation
9-877-704-01
2004C02-1
© 2004.03
SPECIFICATIONS
Ver 1.0  2004. 03
Model Name Using Similar Mechanism
CFS-1085S
Tape Transport Mechanism Type
MF-1055-117
•  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 
,
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 
 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
110–127V/220–240 V AC selectable, 50/60 Hz
9V DC, six R20 (size D) batteries
DC IN 12V jack
• 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 
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.
2
CFS-1085SMK2
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.
TABLE OF CONTENTS
1.
GENERAL
................................................................... 3
2. DISASSEMBLY
2-1.
Disassembly Flow ........................................................... 4
2-2.
Power Board, DC IN Board ............................................ 4
2-3.
LED Board, GE SW Board, MEGA BASS SW Board ... 5
2-4.
MAIN Board, MIC Board, VOL Board .......................... 5
2-5.
Mechanism Deck, Tuner Board ....................................... 6
2-6.
Record/Playback Head (HRP101), Erase Head (HE301),
         Belt, Motor (M601) .......................................................... 6
2-7.
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 – Power Section – ........................... 16
4-6.
Printed Wiring Board – Tuner Section – ......................... 16
4-7.
Schematic Diagram – Tuner Section – ............................ 17
4-8.
IC Block Diagrams .......................................................... 18
5. EXPLODED VIEWS
5-1.
Rear Cabinet Section ....................................................... 19
5-2.
Front Panel Section ......................................................... 20
5-3.
Speaker Section ............................................................... 21
5-4.
Mechanism Deck Section (1) (MF-1055-117) ................ 22
5-5.
Mechanism Deck Section (2) (MF-1055-117) ................ 23
6. ELECTRICAL PARTS LIST
........................................ 24
3
CFS-1085SMK2
SECTION 1
GENERAL
This section is extracted
from instruction manual.
LOCATING THE  CONTROLS
Location of controls
PHONES
FUNCTION
VOLUME
SOUND SELECT
BAND
FINE TUNING
TUNING
FM STEREO
CD/TV
LINE IN
MIC
MAXI BASS
OPR/
BATT
DC IN 12V
(rear)
VOLTAGE
SELECTOR
(rear)
4
CFS-1085SMK2
SECTION 2
DISASSEMBLY
Note: 
Follow the disassembly procedure in the numerical order given.
2-2.
POWER BOARD, DC IN BOARD
• This set can be disassembled in the order shown below.
2-1. DISASSEMBLY  FLOW
CABINET (REAR)
2-2.
POWER BOARD,
DC IN BOARD
(Page 4)
SET
CABINET (FRONT)
2-5.
MECHANISM DECK,
TUNER BOARD
(Page 6)
2-3.
LED BOARD,
GE SW BOARD,
MEGA BASS SW BOARD
(Page 5)
2-6.
RECORD/PLAYBACK HEAD (HRP101),
ERASE HEAD (HE301),
BELT, MOTOR (M601)
(Page 6)
2-4.
MAIN BOARD,
MIC BOARD,
VOL BOARD
(Page 7)
two screws (3X4)
power board
1
two screws (2.6X10)
7
tuner board
(CNP1)
4
DC IN board
8
2
6
two screws (3X4)
1
three screws (3X10)
5
main board
   (CNP305)
3
cabinet (front) 
cabinet (rear) 
Page of 29
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Download Sony CFS-1085SMK2 Service Manual (Repair Manual)

Here you can read online and download Sony CFS-1085SMK2 Service Manual in PDF. CFS-1085SMK2 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony CFS-1085SMK2 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.