DOWNLOAD Sony CMT-ED1 / HCD-ED1 / HCD-ED1A (serv.man2) Service Manual ↓ Size: 6.4 MB | Pages: 42 in PDF or view online for FREE

– 5 –

This section is extracted from
instruction manual.

1 DISPLAY button
2 DBFB b utton
3 CD       b utton
4 TUNER/BAND b utton
5 TAPE  œ button
6 DIR MODE b utton
7 CD REPEA T b utton
8                b uttons
9 ON/OFF b utton

10           b uttons
11 VOL (+/–) b utton
12 STEREO/MONO b utton
13 TUNING/PLAY MODE b utton
14 DOLBY NR b utton
15 r REC b utton
16               (re wind/fast f orwar d) b uttons
17               AMS* b uttons
18       (stop) b utton
19       (pause) b utton
20 POWER s witc h

*AMS=Auto Music Sensor

– 6 –

 Follo w the disassemb

ly pr ocedure in the n

umerical or der given.

!∞

 Two springs 

(compression)

1

 Open the CD door.

2

 Bar rubber

3

 Hinge pin

4

 Hinge spring

9

 Three screws (K3x8)

8

 Two hook screws

!º

 Three screws (K3x8)

!ª

 Base unit

!•

 Two springs (compression)

!¶

 Two washers

!§

 Two screws (TPG P2x8)

!™

 Wire (Flat type)

!£

 Two screws (TPG P2x8)

!¢

 Two washers

!¡

 CD base

7

 Three screws (K3x8)

5

 Two hook screws

6

 Three screws (K3x8)

6

 Side bracket

7

 Rear panel

1

 Two screws 

(BVTP 3x10)

5

 Side bracket

2

 Screw 

(BVTP 3x8)

3

 Two screws 

(BVTP 3x8)

4

 Three screws 

(BVTP 3x8)

– 7 –

1

 Two screws 

(BVTP 3x8)

2

 Two screws 

(BVTP 3x8)

3

 Bottom cover

4

 Two claws

5

 Front panel block

4

 Four screws 

(BVTP 3x10)

5

 Mechanical deck

(cassette)

1

 Open the Door cover ASSY. (Push the 

A

 portion.)       

2

 Door cover assy

3

 Door spring

A

– 8 –

1. Clean the following parts with a denatured alcohol-moistened

swab :
record/playback heads

pinch rollers

erase head

rubber belts

capstan

idlers

2. Demagnetize the record/playback head with a head demagne-

tizer.

3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to the

parts adjusted.

5. The adjustments should be performed with the rated power sup-

ply voltage unless otherwise noted.

Torque

Torque meter

FWD

Meter reading

FWD
back tension

REV

CQ-102C

CQ-102C

CQ-102RC

CQ-102RC

CQ-201B

CQ-403A

CQ-403R

28 to 71g • cm

(0.39 – 0.99 oz • inch)

1 to 7g • cm

(0.01 – 0.10 oz • inch)

1 to 7g • cm

(0.01 – 0.10 oz • inch)

28 to 71g • cm

(0.39 – 0.99 oz • inch)

1. Demagnetize the record/playback head with a head damagnetizer.

(Do not bring the head demagnetizer close to the erase head.)

2. Do not use a magnetized screwdriver for the adjustments.
3. After the adjustments, apply suitable locking compound to the

parts adjusted.

4. The adjustments should be performed with the rated power sup-

ply voltage unless otherwise noted.

5. The adjustments should be performed in the order given in this

service manual. (As a general rule, playback circuit adjustment
should be completed before performing recording circuit adjust-
ment.)

6. The adjustments should be performed for both L-CH and R-ch.
7. Switches and controls should be set as follows unless otherwise

specified.

Tape

P-4-A100

WS-48B

P-4-L300

Signal

10 kHz, –10 dB

3 kHz, 0 dB

315 Hz, 0 dB

Used for

Azimuth Adjustment

Tape Speed Adjustment

Level Adjustment

Procedure :
1. Mode : Playback

REV
back tension

FF/REW

FWD tension

REV tension

100g or more

(3.53 oz or more)

100g or more

(3.53 oz or more)

56 to 122g • cm

(0.78 – 1.69 oz • inch)

+

–

set

MD OUT (JK301)

level meter

test tape
P-4-A100
(10kHz, –10dB)