DOWNLOAD Sony CMT-EP30 / CMT-EP40 / HCD-EP30 / HCD-EP40 Service Manual ↓ Size: 2.1 MB | Pages: 36 in PDF or view online for FREE

Model
CMT-EP30 CMT-EP40 HCD-EP30 HCD-EP40
Pages
36
Size
2.1 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cmt-ep30-cmt-ep40-hcd-ep30-hcd-ep40.pdf
Date

Sony CMT-EP30 / CMT-EP40 / HCD-EP30 / HCD-EP40 Service Manual ▷ View online

4
HCD-EP30/EP40
NOTES  ON  HANDLING  THE  OPTICAL  PICK-UP
BLOCK  OR  BASE  UNIT
The laser diode in the optical pick-up block may suffer electro-
static break-down because of the potential difference generated
by the charged electrostatic load, etc. on clothing and the human
body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused
on the disc reflective surface by the objective lens in the optical
pick-up block. Therefore, when checking the laser diode emis-
sion, observe from more than 30 cm away from the objective lens.
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
1. Press the
I/1
button to the power ON with no disc inserted
and press the 
[CD]
 button.
2. Open the lid for CD.
3. Turn on SW600 as following figure.
4. Confirm the laser diode emission while observing the object-
ing lens. When there is no emission, Auto Power Control cir-
cuit or Optical Pick-up is broken.
Objective lens moves up and down five times for the focus
search.
SECTION  1
SERVICING  NOTES
• MODEL  IDENTIFICATION
– Bottom View –
MODEL
PART No.
EP30: AEP and UK models
4-235-167-0
[]
US and Canadian models
4-235-169-0
[]
Singapore model
4-235-170-0
[]
Australian model
4-235-171-0
[]
Taiwan model
4-235-172-0
[]
Mexican model
4-235-173-0
[]
Argentina model
4-235-174-0
[]
EP40: AEP and UK models
4-235-175-0
[]
Saudi Arabia model
4-236-316-0
[]
TO PREVENT ‘TAPE OSCILLATION SOUND AT VOLUME’
MAXIMUM SETTING (W/O TAPE)
Headphone wire dressing:
a.) Draw the wire from Main board to Headphone Jack board along
the bottom side of heatsink.
b.) The wire must be kept away from the top side of Cassette board
at least 30 mm.
SW600
PART No.
CASSETTE board
MAIN board
HEADPHONE
board
at least 30 mm
heatsink
5
HCD-EP30/EP40
SECTION  2
GENERAL
This section is extracted from
instruction manual.
LOCATION OF CONTROLS
– Front Panel –
Cassette compartment  qd (12)
CD  4 (8, 9, 13, 15)
Display Window  5 (9, 18)
ENTER/PGM  w; (7, 8, 9, 10, 12,
15)
ISS 0 (13)
MEGA BASS  8 (14)
MONO STEREO  0 (11)
MUSIC MENU  9 (14)
PHONES jack  ws
PRESET +/—  qs (10, 11)
RDS (CMT-EP40 only)  wg (11,
12)
REMAIN  4 (9)
Remote sensor  wk
REPEAT  wj (8)
SHUFFLE  wa (8)
TAPE  3 (12)
TIMER indicator  2 (15)
TUNER  6 (10, 13, 15)
TUNER DSPL (CMT-EP40 only)
wh (11)
TUNER MEM  w; (10)
TUNING +  wd (10, 11)
TUNING —  wf (10, 11)
VOLUME control qa (15)
1
2
3 4 5 6
7
q;
9
8
qa
qs
w;
wa
ws
wd
wf
wg
wh
wj
wk
qd
qf
qj qh
ql qk
qg
BUTTON DESCRIPTIONS
@/1 (power)  1 (6, 10)
CD
. m (go back)  wf (8, 9)
M >  (go forward)  wd (8, 9)
u (play/pause) wg (8, 9)
Z PUSH OPEN/CLOSE  7 (8)
x (stop) wh (8, 9)
TAPE
M (fast forward)  qh (12)
X (pause)  qf (12, 13)
N (play)  qk (12, 15)
z (recording)  ql (13)
m (rewind)  qj (12)
xZ (stop/eject) qg (12, 13)
6
HCD-EP30/EP40
CD/REMAIN  3 (8, 9, 13, 15)
CLOCK/TIMER/SLEEP SET  qf
(7, 15)
MEGA BASS  2 (14)
MUSIC MENU  w; (14)
PRESET +/—  qj (10, 11)
RDS (CMT-EP40 only)  qh (11,
12)
REPEAT qs (8)
SHUFFLE  7 (8)
TAPE  ql (12)
TIMER ON/OFF qd (15)
TUNER/BAND  5 (10, 13, 15)
TUNER DSPL (CMT-EP40 only)
qg (11)
TUNER MEM/ENTER/PGM  6
(7, 8, 9, 10, 11, 15)
TUNING/CLOCK/TIMER +/—
qk (7, 10, 11, 15)
VOLUME +/—  4 (15)
BUTTON DESCRIPTIONS
M (fast forward) > (go
forward)  0 (8, 9)
. (go back) m (rewind)  qa
(8, 9)
u (play/pause)  8 (8, 9)
`/1 (power)  1 (6, 10)
x (stop)  9 (8, 9)
Remote Control
1 2 3 4
5
6
7
8
9
q;
qa
qs
qf
qd
qg
qh
qj
qk
ql
w;
Setting the time
1
Turn on the system.
2
Press CLOCK/TIMER/SLEEP SET on
the remote.
The clock indication appears.
3
Press TUNING/CLOCK/TIMER + or — on
the remote repeatedly to set the time.
4
Press ENTER/PGM (TUNER MEM/
ENTER/PGM on the remote).
The clock starts working.
Tip
If you made a mistake, perform from step 2.
To change the preset time
Perform from step 2.
Note
The clock settings are canceled when you disconnect
the power cord or if a power failure occurs.
HCD-EP30/EP40
7
• This set can be disassembled in the order shown below.
3-1.
DISASSEMBLY  FLOW
SECTION  3
DISASSEMBLY
3-4. CD CABINET SECTION
(Page 9)
3-2. FRONT PANEL SECTION
(Page 8)
3-6. TAPE MECHANISM DECK
(TCM125-2)
(Page 10)
3-5. CD MECHANISM DECK
(CS-21SC-1280)
(Page 9)
3-7. CASSETTE LID
(Page 10)
3-3. MAIN BOARD
(Page 8)
SET
Page of 36
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Sony CMT-EP30 / CMT-EP40 / HCD-EP30 / HCD-EP40 Service Manual ▷ Download

  • DOWNLOAD Sony CMT-EP30 / CMT-EP40 / HCD-EP30 / HCD-EP40 Service Manual ↓ Size: 2.1 MB | Pages: 36 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sony CMT-EP30 / CMT-EP40 / HCD-EP30 / HCD-EP40 in PDF for free, which will help you to disassemble, recover, fix and repair Sony CMT-EP30 / CMT-EP40 / HCD-EP30 / HCD-EP40 Audio. Information contained in Sony CMT-EP30 / CMT-EP40 / HCD-EP30 / HCD-EP40 Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.