Sony MDR-IF4000 service manual Batt Board, Printed Wiring Board Power Section

Page 13

3-4. PRINTED WIRING BOARD

– POWER SECTION –

 

: Uses unleaded solder.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

2

 

3

 

4

5

6

7

BATT BOARD

BATT(-)

A

MDR-IF4000

B

S601

(BATT DET)

BAT101

RECHARGEABLE

BATTERY

BP–HP550

1.2V 550mAh. 2PCS

S602

(BATT DET)

 

3

D501

 

IC503

 

 

 

 

 

 

1

L501

C505

 

C510

 

 

 

C503

 

 

C504

 

 

 

C

D

L502

(GRN)

C506

C511

C507

C508

R503

(NAT) R604

C604

C603 R603

(RED)

Q601

E

R601

2.5V GRN +B

RX BOARD

Suffix-11 A (Page 12)

RX BOARD

Suffix-12 (Page 25)

SW BOARD

S701

(AUTO ON/OFF)

E

F

CHG(+)

3

1

 

 

E

 

 

IC502

 

 

Q602

RED

4

 

 

 

5

 

 

 

RED

 

C516

 

 

 

 

 

 

 

 

 

C513

IC601

 

C602

R602

 

4

3

C514

 

 

 

 

 

5

 

1

 

 

 

C605

 

 

D601

 

 

 

 

 

 

 

(+)

 

 

 

 

 

BATT

 

 

 

 

1-864-935-

11

(-)

(11)

 

CHG

 

RED

RED

1-864-937-

11

 

 

(11)

• Semiconductor Location

Ref. No.

Location

 

 

D501

B-3

D601

E-4

IC502

D-3

IC503

B-3

IC601

E-3

Q601

D-4

Q602

D-4

 

 

CHARGE

TERMINAL

MDR-IF4000

13 13

Image 13
Contents MDR-IF4000 SpecificationsDisassembly Table of ContentsDiagrams Exploded ViewsSection General Disassembly Flow Section DisassemblyFront Plate R Assy Hanger R RX BaordFront Plate L Assy Wiring on the Right SideHanger L Batt BoardWiring on the Left Side HOW to Hang the Tension Spring Wiring on the SW BoardCircuit Boards Location Section DiagramsBlock Diagram RX Board Side a Printed Wiring Board Receiver SectionBatt Board Printed Wiring Board Power SectionConvertor Schematic Diagram Receiver SectionIC101 CXD4017R IC Block DiagramsMDR-IF4000 Section Exploded Views Housing L Assy SectionNot supplied PD1 board SP001 Supplied Housing R Assy SectionSection Electrical Parts ListPCM1773PWR RX RX-SW Memo Supplement Change of RX Board PD1 Board CH Front Section CH Rear Section Schematic Diagram Receiver Section Suffix-12 RX Suffix-12 RES, VAR, Carbon Memo Revision History

MDR-IF4000 specifications

The Sony MDR-IF4000 is a remarkable over-ear wireless headphone solution that excels in delivering high-quality audio and user convenience. Designed for both home and studio use, these headphones incorporate Sony's advanced audio technologies to provide an immersive listening experience.

One of the standout features of the MDR-IF4000 is its infrared wireless transmission system. This technology allows users to enjoy music and other audio without the hassle of wired connections. The infrared signal provides a reliable and interference-free connection, ensuring consistent audio quality up to a distance of approximately 30 meters, depending on the environment. This level of freedom is perfect for those who want to move around while listening to their favorite tracks or watching movies.

Audio quality is another key highlight of the MDR-IF4000. Utilizing large 40mm neodymium drivers, these headphones deliver rich, clear sound with impressive bass response. The frequency response range spans from 20 Hz to 20 kHz, which means users can experience a wide range of sounds, from deep lows to sparkling highs. This broad frequency range is essential for those who demand fidelity in their audio playback, whether it’s for music, movies, or gaming.

Comfort is also a focal point in the design of the MDR-IF4000. The headphones feature plush ear cushions that provide a snug yet comfortable fit, making them ideal for extended listening sessions. The adjustable headband ensures that users can find their perfect fit, enhancing the overall experience.

Moreover, these headphones come equipped with an automatic power-off feature that conserves battery life when the headphones are not in use. The included rechargeable battery can provide hours of uninterrupted listening, making the MDR-IF4000 a practical choice for daily use.

The MDR-IF4000 is compatible with various audio sources. It includes an infrared transmitter that can easily connect to televisions, receivers, and other devices, ensuring versatility for all kinds of audio playback. This seamless connectivity presents an ideal solution for movie enthusiasts and audiophiles alike.

In summary, the Sony MDR-IF4000 headphones stand out for their wireless convenience, impressive audio quality, comfortable design, and versatile compatibility. Whether you are enjoying a movie at home or listening to your favorite music, these headphones are built to enhance your audio experience without the restrictions of traditional wired options.