Sony MDRRF-430 Service manual

MDR-RF430/RF450

SERVICE MANUAL

Ver 1.1 2000.12

Illustration : MDR-RF430

MDR-RF430 is the component model block one in the MDR-RF430RK. MDR-RF450 is the component model block one in the MDR-RF450RK.

COMPONENT MODEL NAME FOR MDR-RF430RK/RF450RK

MDR-RF430RK MDR-RF450RK

Wireless Headphones MDR-RF430 MDR-RF450

Transmitter TMR-RF450R TMR-RF450R

AEP Model

Illustration : MDR-RF450

SPECIFICATIONS

Headphone

Charging and using hours Approx. charging hours Approx. using time* 1 50 minutes 24** 20 hours

* at 1kHz 1mW + 1mW output ** the hours required to fully charge empty batteries

Battery life Battery Approx. hours* Sony alkaline battery LR6 (SG) 60 Sony battery R6P (SR) 30

* at 1kHz 1mW + 1mW output Power source DC 3V : 2 x R6 (size AA) battery or 2 x supplied

Mass Approx. 215g (7.6oz.) incl.Ni-Cd batteries (MDR-RF430RK)

Supplied Ni-Cd rechargeable batteries Model name NC-AA-HJ Voltage 1.2V Capacity 600mAh

Design and specifications are subject to change without notice.

NC-AA-HJ Ni-Cd rechargeable battery

Approx. 265g (9.4oz.) incl.Ni-Cd batteries (MDR-RF450RK)

WIRELESS STEREO HEADPHONES

MICROFILM

SECTION 1

d

)

DISASSEMBLY

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

MDR-RF430 1-1. RX BOARD, FE BOARD, RECEIVER (R-CH), SUSPENDER REMOVAL

Head band

5

RX board

FE board

4

8

9

Screw

(M1.7x4)

Spacer

!¶

Suspender

Hanger (R)

Hanger cover (R)

RX shield plate

7

Remove

solder

6

SW1

!™

Screw

+P 2x6

!º

!¡

!£

Ball shaft holder

MDD02 (R-CH)

2

3

Screws +P 2x5

Housing (R) assy

!∞

1-2. BATTERY CASE, RECEIVER (L-CH), SUSPENDER REMOVAL

Head band

Screws +P 2x10

!¢

Screw (M 1.7x4)

1

!§

Remove solder

Ear pa

Battery cover

9

Screw (M 1.7x4)

Ear pad

2

Screws +P 2x10

3

MDD01 (L-CH)

1

Suspender

Screws +P 2x5

!º

!¡

Remove solder

!™

8

Housing (L) assy

– 2 –

5

6

Ball shaft holder

Hanger (L)

4

7

Screw +P 2x6

Battery case

Hanger cover (L

MDR-RF450

r

1-1. RECEIVER (R-CH), RX BOARD, FE BOARD, SUSPENDER ASSY REMOVAL

Head band

!£

Remove

Hanger (R)

solder

RX board

8

9

Surpport switch

!¶

SW

board

9

Housing (R)

RX shield plate

MDD02 (R-CH)

0

!¢

FE board

3

Remove

solder

Front plat (R) assy

5

!™

!¡

Screw (M1.7x4)

4

Claw

2

Screws

(M 1.7x4)

1-2. RECEIVER (L-CH), SUSPENDER ASSY REMOVAL

Head band

!∞

1

!§

7

Screws (M1.7x4)

Suspender

6

Screws +P 2x8

Hanger cover (R)

Ear pad

Suspender

9

Screws +P 2x8

0

Screws (M 1.7x4)

MDD01 (L-CH)

Claw

4

1

2

Screws

(M 1.7x5) tapping

Hanger cover (L)

!™

6

!¡

5

3

Remove solder

Front plate (L) assy

8

Battery cove

7

Hanger (L)

6

Housing (L)

– 3 –