NAD C 542 service manual Transistor, Heatsink

Page 29

Reference No.

Part No.

Description

 

 

 

TRANSISTOR

 

 

Q101,Q104,Q105

4860-0060-5

TR SS8550 C/D SAMSUNG RL

Q103,Q106,Q107,Q307-Q312

4860-0050-5

TR SS8050 C/D SAMSUNG RL

Q301-Q304

4860-1780-5

TR 2SD655F HFE:600-1200

Q401,Q403

4860-0660-5

TR 2SA1015 (G.R.) RL

Q402

4851-012F-5

TR 2SD1012F/G HFE

Q404

485A-114E-5

TR DTA114ESA ROHM

Q405

485C-114E-5

TR DTC114ES

Q502

485A-950Y-5

TR 2SA950-Y HFE 100-200

SWITCH

 

 

M314

5200-3171-0-01

DPDT SLIDE

HEATSINK

 

 

U501-U503,U506,U507

5400-9130-0

HEAT SINK FOR 7805 2438-

WIRE

 

 

M101

7012-6536-0

CONN WIRE ASSY 5PIN P2.0

M102C

7012-6232-0

WIRE CON 16P P=1.0

M105A

7012-6538-0

CONN WIRE ASSY 6PIN P2.0

PC BOARD

 

 

 

1725-201B-0100

PCB MAIN N0A70C C542

MISCELLANEOUS

 

 

GND1

4132-1061-0

SOLDER TAG

M302

4152-9052-0

CRYSTAL CUSHION (BOTTOM)

M302

4152-9042-0

CRYSTAL CUSHION (TOP)

M303

2704-0060-0

EMC FILTER

M316

4811-F32T-3

LIGHT TX UNIT GP1F32T

M402

2703-0190-0

CR RESONATOR

M507,M512,M513,M514

4131-9131-0

FUSE HOLDER 6.5MM PITCH

U502,U503

2601-2608-0601

FIBRE WASHER M2.6 0.8T

 

2703-0150-1

CR4.00MHE,CSTLS4M00G55-B

 

 

 

NOTE: - The components identified by mark are critical for risk of fire and electrical shock. Replace only with part number specified.

-<*AH > : USA, Canadian model only.

-<*C > : European model only.

-Capacitors : CP-Polystyrene, CM-Mylar, CE-Electrolytic, CC-Ceramic, CTC-NPO.

- Resistors : RMF-Metal Film, RCF-Carbon Film, RWR-Wirewound Metal Oxide.

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Image 29
Contents 542 Class Laser Product Safety InformationContents Service Safety PrecautionsControls SpecificationsPhysical Specifications Front Panel Rear Panel / Front PanelRear Panel Refer to Figure No.1 Disassembly InstructionsKeyboard Block DiagramWiring Diagram NAD C 542 PCB Testing Points Diagram Testing Procedure RF Pattern TestingInstruction for Handling Optical System Block PICK-UP Precautions for Checking Beam EmissionImportant Notes Precautions When Changing Laser PICK-UP Display Board KEY Board Live Board LED Board PCB LayoutMain Board MCU Schematic DiagramGND1 DisplayRF AMP Agnd DACOWE R U101 CXA2581N IC Block DiagramU202 BA6392FP U403 TC74HC00APU201 CXD3017Q P64/INT4/SBUSY1/AN10 U301 M38B57MCU501, U506, U507 U302 PCM1732Main Board U402 Nadlink Masked Oscillating ? M101 SWITCH, Defective Troubleshooting GuideReference No Description Electrical Parts ListCapacitor LEDCoil WAFER/CONNECTORCrystal JackScrew RelayDiode 1N4148 AT DiodeHeatsink TransistorWSL-2130CCM Mechanism Exploded ViewQty Mechanism Exploded View Parts ListExploded View Exploded View Parts List Screw M3X6 Description ’TY Packing DiagramNAD
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C 542 specifications

The NAD C 542 is a high-quality CD player that epitomizes NAD's commitment to delivering superior audio performance through innovative design and advanced technology. Designed for audiophiles and music enthusiasts alike, the C 542 stands out with its meticulous attention to detail, providing a rich listening experience that brings out the best in your CD collections.

One of the main features of the NAD C 542 is its high-performance digital-to-analog converter (DAC). The unit employs state-of-the-art circuitry that ensures accurate signal conversion, resulting in a dynamic range that captures the nuances of music more effectively. This allows listeners to experience depth and clarity in their audio that other CD players may not deliver.

The C 542 also incorporates NAD's proprietary technology known as "NAD's proprietary disc reading system." This feature enhances the player’s ability to read discs with precision, reducing errors that can arise from scratches or dirt. The result is more reliable playback and a seamless listening experience, even with older CDs that may have seen better days.

Another notable characteristic of the NAD C 542 is its ability to handle various disc formats. In addition to standard audio CDs, the player is compatible with CD-R and CD-RW formats, giving users the flexibility to enjoy their custom mixes. The C 542 also supports MP3 playback, allowing users to enjoy their digital music collections directly from discs.

The front panel of the C 542 is thoughtfully arranged for ease of use, featuring a bright display that provides essential information about track number, elapsed time, and disc status. Users can easily navigate through their tracks with a responsive remote control, which enhances usability and makes listening more enjoyable.

In terms of build quality, the NAD C 542 boasts a solid construction, which minimizes vibrations that can affect sound quality. This attention to detail in the physical design reinforces NAD's philosophy of creating products that perform exceptionally well while remaining durable over time.

In summary, the NAD C 542 is an exceptional CD player that combines advanced technologies, user-friendly features, and robust build quality. With its impressive DAC, proprietary reading system, and compatibility with multiple disc formats, it caters to the needs of discerning listeners who demand high fidelity and reliability in their audio equipment. Whether you are revisiting classic albums or enjoying modern recordings, the C 542 truly enhances your listening experience.