Sony cfs kdw 40 s service manual

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S-KDW4DS

SERVICE MANUAL EMoae/

Model Name Using Similar Mechanism CFS-Dw35s

SPECIFICATIONS Tape Transport Mechanism Type MF-KDW40.64
Tuner irequency range
Sales area FM MW SW Dimensions Approx. 540 x 196 x 175 mm (w/h/d)
(Approx. 21Irx 7 3/4X 6 7/5 inches)
Saudi 37-5 - incl. projecting pans and controls
Nab? 07 MHZ 53° - SW! 5W2 Weight Approx. 5.4 kg (11 lb 4 oz) incl. batteries
Other 87.6 - 1.605 kHz 2.3 - 7 MHz 7 - 22 MHz Accessories supplied AC power cord (1)
countries 108 MHz Microphone (1)
. Optional accessories Sony MDFI headphone series
Amennas mfg; (first: 2:11:22? anna Sony "DYNAMIC MICROPHONE series
Recording system 448 2-channel stereo Destgn and specifications are subiect to change without notice,
Frequency response 80 Hz -1 0.000 Hz
Speakers Approx. 8 cm (3% inches) dia. tuII-range x 2
Maximun power output to W (5 W + 5 W)
Inputs MIC jacks (monaural minijack) (2)
Sensitivity 2.45 mV, for low impedance
microphone

CD/LINE IN jacks (phono tacks) (2)
Input Impedance 47 kiiohms
Sensitivity 0.24 V

SAFETY-RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BY MARK A 0R DOTTED LINE

Output Headphones jack (stereo minijack)
for 16-68 ohm impedance headphones WITH MARK A ON THE SCHEMATIC DIAGRAMS AND IN
Power requirements 110420 V. 220-240 V AC, adjustable, THE PARTS LIST ARE CRITICAL T0 SAFE OPERATION.
50/60 Hz REPLACE THESE COMPONENTS WITH SONY PARTS
9 V DC. six 820 (8329 D) batteries WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
Power consumption 18 Win AC operation MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
Battery lite
Battery FM recording
Sony SUM-1 (NS) Approx. 8 hours
Sony AM~t (N) atkatine Approx. 25 hours

RADIU CASSETTE-BORDER
S 0 NE.

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CFS - KDW4OS

TABLE OF CONTENTS

Section Title Page
Specifications ........................................... 1

Service Note ~~~~~~~~
Model Identification ~ . ~ ~

SECTION 1. GENERAL
Location and Function of Controls ~~~~~~~~~~~~~~~~~~~ 3

SECTION 2. DISASSEMBLY

2-1. Removal of Rear Cabinet Assembly ~~~~~~~~~~ 4
2-2. Removal of the Main Board and MD

Assembly ........................................ 4

2-3. Removal of Upper Cabinet Assembly ~~~~~~~~~~~~ 5

Dig} Pointer Setting .................................. 5

SECTION 3. MECHANICAL CHECKIKG ~~~~~~~~~~~~~~ 6

SECTION 4. ELECTRICAL ADJUSTMENTS
4wl. Tape Recorder Section ~~~~~~~~~
4-2. Radio Section ~~~~~~~~~~~~~~~

SECTION 5. DIAGRAMS
51. Semiconductor Lead Layouts ~~~~~~~~~~~~~~~~~~~ 9
5-2. Circuit Boards Location

53. Printed Wiring Boards~~~- ~~~~~~~~~~~~~~ ll

54. Schematic Diagram (Audio Section) ---------- 15

5-5. Schematic Diagram (Tuner Section) ~ 18

56. Schematic Diagram (Karaoke Section) ~~~~~~~~~~ 20
SECTION 6. EXPLODED VIEWS

6-1. Cabinet (Rear) Section 23

62. Cabinet (From) Section ' - 24
68. Deck A Tape Mechanism (1) (MF-KDW4064) 25
64. Deck A Tape Mechanism (2) (MF-KDW4064) 26
6-5. Deck B Tape Mechanism (1) (MF»KDW40-64) 27
66. Deck B Tape Mechanism (2) (MF-KDW4064) 28

SECTION 7. ELECTRICAL PARTS LIST ~~~~~~~~~~~ 29
Hardware List ....................................... 36

SERVICE NOTE
0 Note on replacing ceramic filters CH and CFZ
Two ceramic filters whitch have the same center
frequency are included in the part whose part No. is
1-567-166-00.
. For CFl (FM IF) .................. 3 leads
For CF2 (FM discriminator)" 2 leads
when replacing CFl or CF2, be sure to replace both of
them with new parts.

MODEL IDENTIFICATION

E Model: Carved on rear cabinet
Saudi Arabia Model: Model number label

SONY
MODEL NO. CFS~KDW405

RADIO CASSETTE-CORDER

AC: udno/zzouov ~ 50/60H1 13w

DC: 9v : FLASHLIGHT BATTERY
R20 SIZE DX6 0R EQUIVALENT

E Model: SONY CORP.
Saudi Arabia Model: Made in Malaysia under license from
SONY CORP. TOKYO JAPAN

0 There are 2 types of models, E12 and E23 in E model.
E12 can be distinguished from E23 by its AC cord as
illustrated below:

- AC Cord -

E12 Model
Euro-plug

E23 Model
(AC plug adaptor is supplied)
Parallel-blade plug

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