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Sony MDR-IF230 Service Manual

Sony MDR-IF230 Service Manual

Cordless stereo headphones

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MDR-IF230/IF330R
SERVICE MANUAL
Ver 1.1 2000. 06
MDR-IF230 is the component model block one in the MDR-IF130K
or MDR-IF230RK.
MDR-IF330R is the component model block one in the MDR-IF330RK.
COMPONENT MODEL NAME FOR MDR-IF130K/IF230RK/IF330RK
MDR-IF130K
Cordless Headphones
MDR-IF230
Transmitter
TMR-IF130
MICROFILM
Illustration : MDR-IF330R
MDR-IF230RK MDR-IF330RK
MDR-IF230
MDR-IF330R
TMR-IF230R
TMR-IF330R
SPECIFICATIONS
Headphone
Charging and using hours (MDR-IF330R)
Approx. charging hours
Approx. using hours*
1
1.5
24**
30
*
at 1kHz 1mW + 1mW output
** the hours required to fully charge an cmpty battery
Battery life* (MDR-IF230/IF330R)
Battery
Sony alkaline battery LR6(SG)
Sony battery R6P(SR)
*
at 1kHz 1mW + 1mW output
Power source
Supplied Ni-Cd rechargeable battery NC-AA(HJ)
or commercially available R6 (size AA) dry battery
Mass
Approx. 180g (6.4oz.) including battery
Supplied Ni-Cd rechargeable battery
Model name
NC-AA (HJ)
Type
Ni-Cd
Voltage
1.2V
Capacity
600mAh
Design and specifications are subject to change without notice.
CORDLESS STEREO HEADPHONES
Approx. hours
100
50
AEP Model
UK Model

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Summary of Contents for Sony MDR-IF230

  • Page 1 SERVICE MANUAL AEP Model UK Model Ver 1.1 2000. 06 Illustration : MDR-IF330R MDR-IF230 is the component model block one in the MDR-IF130K or MDR-IF230RK. MDR-IF330R is the component model block one in the MDR-IF330RK. COMPONENT MODEL NAME FOR MDR-IF130K/IF230RK/IF330RK MDR-IF130K...
  • Page 2: Section 1 Disassembly

    SECTION 1 DISASSEMBLY The equipment can be remo ved using the f ollo wing pr ocedure . Cover (R), hanger RX board Cover (L), hanger PD board Note : Follow the disassembly procedure in the numerical order given. 1-1. RX BOARD REMOVAL Cover (R), hanger 5 Screw +P (2x6) 4 Screws +P (2x6)
  • Page 3: Electrical Adjustment

    2. On adjusting the headphones section, use the transmitter as a regulated DC [RX BOARD] (Conductor side) jig. power suppluy Headphones Transmitter 1.2V DC level meter TMR-IF130 MDR-IF230 Transmitter TP51 TMR-IF230R (R-CH) 600 Ω TP (VCC) MDR-IF330R TMR-IF330R AUDIO IN B jack (J1) 1kHz 245mV (–10dB)
  • Page 5 MDR-IF230/IF330R 3-2. SCHEMATIC DIAGRAM Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and W or less unless otherwise specified.
  • Page 6: Section 4 Exploded View

    Ver 1.1 2000. 06 SECTION 4 SECTION 5 EXPLODED VIEW ELECTRICAL PARTS LIST NOTE : NOTE : • -XX, -X mean standardized parts, so they • Items marked “ * ”are not stocked since they • The mechanical parts with no reference •...
  • Page 7 Ref. No. Part No. Description Remark 1-216-089-11 RES,CHIP 1/10W 1-216-049-11 RES,CHIP 1/10W 1-216-053-00 METAL CHIP 1.5K 1/10W 1-216-081-00 METAL CHIP 1/10W 1-216-043-11 RES,CHIP 1/10W 1-216-062-00 METAL CHIP 3.6K 1/10W 1-216-085-00 METAL CHIP 1/10W 1-216-085-00 METAL CHIP 1/10W 1-216-073-00 METAL CHIP 1/10W 1-216-061-00 METAL CHIP 3.3K...
  • Page 8 MDR-IF230/IF330R 98C027546-1 Sony Corporation Printed in Hungary © 1998.3 9-923-355-11 Personal A&V Products Company Published by Quality Engineering Dept. – 12 – (Shibaura)

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Mdr-if330r