Panasonic rr us450p pc

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ORDER NO. MD0702017CE

Service Manual

Specification

Power requirement :

Power output :

Frequency response :

S/N :
Output jack :

input jack :

Speaker :

Dimensions (W x H x D):

Max dimensions :

Cabinet dimensions :

zuuM MI:

RR-US450

DC 3.0 V (2 AAA size/LR03
batteries)

300 mW (max.)

300 Hz to 5,000 HZ (HQ mode)
300 HZ to 3,400 Hz (FQISP mode)
37 dB (HQ mode)

Earphone, o 3.5 mm (1/8 in.); 0.5
mW 16 Q

Mic, o 3.5 mm (1/8 in.); 0.56 mV
plug in power
20 mm (25 /32 in.) 8 o

39.3 mm x1055 mm x 17.2 mm
(1-9/16 in. x 46/32 in. x 11/16 in.)
38.8 mm x 105 mm x 14 mm

RR-US450P

IC Recorder

RR-US450PC

Colour
(H) .......... Gray Type

Mass :
With dry cell batteries :
Without batteries :

Operational temperature range :

Memory capacity :
Battery life :

Notes :

(1-17/32 in. x 4-1/8 in. X 9/16 in.)

Approx. 61 g or 2.13 oz
Approx. 38 g or 1.33 oz

0 °C to 40 C (32 °F to 104 °F)
128 MB

WVhen used at 25 0C (77 F) on a
flat, stable surface]

1. Specifications are subject to change without notices.

A WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced protessional technicians. Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

Panasonic?

rig hts

© 2007 Matsushita Electric Industrial Co. Ltd.. All
reserved.
distribution is a violation of law.

Unauthorized copying and

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RR-USSOP I RR-USJSUPC

CONTENTS

Page
1 Safety Precautions .................................................................. 3
1.1. GENERAL GUIDELINES ------------------------------------------------ 3
1.2. Protection Circuitry --------------------------------------------------------- 3
1.3. Safety Part Information -------------------------------------------------- 3

2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices -4
3 Handling the Lead-free Solder ------ .5
3.1. ServiCe caution based on legal restrictions ...................... 5
4 Accessories ---------------------------------------------------------------------------- 6
5 Operating Procedures ............................................................ 7
5.1. Components of IC Recorder ........................................... 7
5.2. Test Mode ............................................. g
6 Assembling and Disassembling ........................................... 14

6.1. Notes ----------------------
6.2. Disassembly flow chart

6.3. Main Parts Location Diagram

6.4. Disassembly of Rear Cabinet Assembly ........................ 16

Page

6.5. Disassembly of the Main P.C,B ..................................... 17

6.6. Disassembly of the LCD Spacer ................................... 17

6.7. Disassembly of the Speaker ......................................... 18

7 Voltage Measurement & Waveform Chart ............................. 19

7.1. Voltage Measurement
7.2. Waveform Chart
3 Wiring Connection Diagram

19

9 Block Diagram ...................................................................... 25
10 Notes Of Schematic Diagram ................................................ 27
11 Schematic Diagram ............................................................... 29
12 Printed Circuit Board Diagram ...................................... 33
13 Illustration of IC's, Transistors and Diodes .......................... 35
14 Exploded Views -------------------------------------------------------------------- 36

14.1. Cabinet Parts Location

14.2. Packaging

15 Replacement Parts List