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US Model

AEP Model

E Model

2006B04-1
© 2006.02

IC recorder section
Recording media

Built-in flash memory 64 MB,
Monaural recording

Recording time

HQ:

7 hours 20 minutes

SP:

19 hours 35 minutes

LP:

32 hours 10 minutes

Frequency range

HQ:

260 Hz – 6,800 Hz

SP/LP: 220 Hz – 3,400 Hz

FM radio section
Frequency range

87.5 – 108 MHz

IF

225 kHz

Antennas

Headphone cord antenna

General
Speaker

approx. 2.8 cm (1

 1/8

 in.) dia.

Power output

250 mW

Input/Output

• Headphone jack (minijack) for

8 – 300 ohms ear receiver/headphones

• Microphone jack (minijack, monaural)

Plug in power
Minimum input level 0.6 mV
3 kilohms or lower impedance microphone

• USB connector

Power requirements

Two LR03 (size AAA) alkaline batteries:
3 V DC

Dimensions (w/h/d) (not incl. projecting parts and controls)

34.6 

× 109.5 × 18.0 mm (1

 3/8

 

× 4

 3/8

 

× 

23/32

 in.)

Mass (incl. batteries) 68g (2.4 oz)
Supplied accessories

Operating instructions (for the IC recorder (1)/for
the application software (1))
LR03 (size AAA) alkaline batteries (2) (US model)
Headphone (1)
Carrying pouch (1) (E, KR model)
USB connecting cable (1)
Application software (CD-ROM) (1)

Design and specifications are subject to change without
notice.

• Abbreviation
  KR: Korea model

2

...................................................................

3

2-1.

Case (Front) Assy ............................................................

4

2-2.

Main Board ......................................................................

5

2-3.

USB/FM Board ................................................................

5

...............................................................

6

4-1.

Block Diagram ................................................................

9

4-2.

Printed Wiring Board – Main Section – .......................... 11

4-3.

Schematic Diagram – Main Section (1/2) – .................... 12

4-4.

Schematic Diagram – Main Section (2/2) – .................... 13

4-5.

Printed Wiring Board – USB/FM Section – .................... 14

4-6.

Schematic Diagram – USB/FM Section – ....................... 15

5-1.

Case (Front) Section ........................................................ 19

5-2.

Case (Rear) Section ......................................................... 20

.................................. 21

Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270˚C during

repairing.

• Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).

• Be careful not to apply force on the conductor when soldering or

unsoldering.

Notes on Chip Component Replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be damaged

by heat.

Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with

the lead free mark due to their particular size.)

Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40

°C higher than

ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350

°C.

Caution: The printed pattern (copper foil) may peel away if the

heated tip is applied for too long, so be careful!

• Strong viscosity

Unleaded solder is more viscous (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.

• Usable with ordinary solder

It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.

3

This section is extracted
from instruction manual.

* There is a tactile dot beside the control to show the

direction to turn up the volume.

**The button has a tactile dot.

FM • i (headphone) / 5 (speaker) selector

 

 

x

zX

– .

>

OPR (operation) indicator

DIVIDE

VOL (volume) control*

HOLD

NxPLAY/STOP (ENTER)**

i

 (headphone) jack

Battery
compartment

Hook for handstrap
(not supplied)

USB connector

Remaining battery
indicator

Recording mode
indication

REC (recording)
indicator

FM indicator

Number of messages in
a folder/Menu
indication/Counter /
Remaining time
indication /Recording
date indication /Current
time indication /
Messages

EASY-S (Easy Search)
indicator

Repeat play indicator

Folder indication

Microphone sensitivity

Alarm indicator

Selected message number

REC DATE (recorded date)

indication

REMAIN indicator

Remaining memory

indicator

FM radio sensitivity

Display window

MIC (built-in microphone)

(microphone) jack

DISPLAY/MENU

STOP

REC (record) /PAUSE

(review/fast backward) /

+ (cue/fast forward) (SELECT)

Speaker

4

Note: Follow the disassembly procedure in the numerical order given.

Note: Disassemble the unit in the order as shown below.

2-1.

CASE (FRONT) ASSY 
(Page 4)

2-2.

MAIN BOARD
(Page 5)

SET

2-3.

USB/FM BOARD
(Page 5)

8

2

 screw

9

 two screws

0

 two brackets (speaker)

qa

 speaker

qs

 case (front) assy

3

 claw

4

 claw

6

 claw

7

 claw

5

 two claws

1

 battery case lid