Sony HCD-N555AVK - User Manual

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SERVICE MANUAL
MICROFILM
COMPACT DISC DECK RECEIVER
E Model
Model Name Using Similar Mechanism HCD-N355/N355K
CD Mechanism type CDM37-5BD19
Base Unit Type BU-5BD19
Optical Pick-up type KSS-213BA/S-N
Model Name Using Similar Mechanism HCD-N355/N355K
Tape Transport Mechanism Type TCM-220WR2E
HCD-N555AVK
TAPE
DECK
SECTION
* Manufactured under license from Dolby Laboratories
Licensing Corporation.
DOLBY, the double-D symbol a and “PRO LOGIC”
are trademarks of Dolby Laboratories Licensing Corpo-
ration.
SPECIFICATIONS
AM tuner section
Tuning range
Saudi Arabia model:
MW: 531-1,602 kHz (with the MW tuning interval set at 9 kHz)
SW: 5.95-17.90 MHz
Other models:
AM: 531-1,602 kHz (with the AM tuning interval set at 9 kHz)
530-1,710 kHz (with the AM tuning interval set at 10 kHz)
Aerial AM loop aerial
External aerial
terminals
Intermediate frequency
450 kHz
CD
SECTION
– Continued on next page –
CD player section
System Compact disc and
digital audio system
Laser Semiconductor laser
(λ=780nm)
Emission duration:
continuous
laser output Max 44.6 µW*
* This output is the value measured at a distance of 200 mm from the objec-
tive lens surface on the Optical Pick-up Block with 7 mm aperture.
Frequency response 2 Hz-20 kHz (± 0.5 dB)
Wavelength 780-790 nm
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
87.5-108.0 MHz (50 kHz step)
Aerial FM wire aerial
Aerial terminals 75 ohm unbalanced
Intermediate frequency
10.7 MHz
HCD-N555AVK is the tuner, deck, CD
and amplifier section in LBT-N555AVK.
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Summary

SECTION 2 DISASSEMBLY

2-1. Front Panel, Main Board, Key Con Board Disassembly

Procedure for disassembling the front panel, main board, and key con board.

2-2. TC Mechanism Deck Disassembly

Procedure for disassembling the TC mechanism deck.

2-3. CD Mechanism Deck Disassembly

Procedure for disassembling the CD mechanism deck.

SECTION 3 MECHANICAL ADJUSTMENTS

Head Azimuth Adjustment

Procedure for adjusting the azimuth of the record/playback heads.

SECTION 4 ELECTRICAL ADJUSTMENTS

Deck Section Adjustments

Adjustments for tape speed, level, and azimuth in the deck section.

Tuner Section Adjustments

Adjustments for AM and FM tuned levels and SW tracking.

CD Section Adjustments

Adjustments and checks for the CD section, including focus bias and RF level.

SECTION 5 DIAGRAMS

5-2. IC PIN FUNCTIONS

Detailed pin assignments for IC501 and IC701 integrated circuits.

5-3. BLOCK DIAGRAMS

5-4. SCHEMATIC DIAGRAM - TUNER SECTION

Schematic diagram for the tuner section (E, SP, MY, IA models).

5-13. SCHEMATIC DIAGRAM - DECK SECTION

Schematic diagram of the deck section, showing playback and recording paths.

5-6. SCHEMATIC DIAGRAM - CD SECTION

Schematic diagram for the CD section, including optical pick-up and digital signal processor.

5-8. SCHEMATIC DIAGRAM - CD PANEL SECTION

5-10. SCHEMATIC DIAGRAM - CD SECTION

Detailed schematic diagram of the CD section, showing waveforms and component connections.

5-7. PRINTED WIRING BOARD - TUNER SECTION

5-11. PRINTED WIRING BOARD - CD SECTION

5-12. PRINTED WIRING BOARD - DECK SECTION

5-14. PRINTED WIRING BOARD - MAIN SECTION

5-15. SCHEMATIC DIAGRAM - MAIN SECTION

Schematic diagram of the main section, detailing signal flow.

5-16. SCHEMATIC DIAGRAM - PANEL SECTION

5-19. SCHEMATIC DIAGRAM - POWER SECTION

5-24. IC BLOCK DIAGRAMS - CD SECTION

SECTION 7 ELECTRICAL PARTS LIST

BD Board Components

CD (L), CD (R) Board Components

Power Amp Board Components

List of electrical parts for the Power Amp board, including components and diodes.

Sony HCD-N555AVK Specifications

General

Brand	Sony
Model	HCD-N555AVK
Category	Stereo System
Language	English