Sony LBT-N550K User Manual

LBT-NOOO/NOOO/NOOOK/NOOOP
SERVICE MANUAL AEP Mode!
LBT-N500/N550
UK Model
Australian Model
Mexican Model
Argentine Model
PX Model
LBT-N550
E Model
LBT-N550K/N550P
@ LBT-N500/N550/N550K/N550P are composed at following models.
As for the service manual, it is issued for each component model, then
please refert to it.
COMPONENT MODEL NAME FOR THESE SYSTEM
LBT-N500 LBT-N550 LBT-N550K | LBT-N550P
AEP. G | IT | EE | CIS |AEP| UK| G |AUS|/AR|MX|PX|EA|MY|SP| E E
Tuner, Preamplifier STR-N500 STR-N500
Power Amplifier TAN-N500
Casstte Deck TC-N500
Compact Disc PLayer CDP-N500 CDP-N550C
Speaker System SS-LB500
Turntable *PS-LX56P PS-LX56P PS-LX56P
Note: Abbreviation
AR _: Argentine Model IT: Italian Model
AUS: Australian Model MX : Mexican Model
EA. : Saudi Arabia Model MY : Malaysia Model
EE : East European Model SP. : Singapore Model
G : German Model
*: LBT-NS00
There are two type of LBT-NS00 system
One is consisting PS-LX56P and the other one dose not consist PS-LXSOP.
COMPACT Hi-Fi STEREO SYSTEM
SONYY.

Sony LBT-N550K Specifications

General

Bluetooth	Yes
CD Player	Yes
Tuner	FM/AM
USB Playback	Yes
Cassette Deck	Yes
Speakers	2 Speakers

Summary

LBT-N500/N550 Service Manual Overview

Electrical Adjustments (STR-N500/N600)

AM Section Adjustment Procedures

Step-by-step guide for adjusting the AM section of the tuner.

FM Section Adjustment Procedures

Step-by-step guide for adjusting the FM section of the tuner.

FM Polar Adjustment

Procedure for adjusting the FM polar characteristics, including detailed steps.

Circuit Diagrams (STR-N500/N600)

Tuner Section Schematic Diagram

Detailed schematic diagram of the tuner section circuitry.

Main Section Diagrams (STR-N500/N600)

Printed Wiring Boards (STR-N500/N600)

Tuner and Main Section PWB (Type A)

Printed wiring board layout for tuner and main sections (Type A models).

Tuner and Main Section PWB (Type B)

Printed wiring board layout for tuner and main sections (Type B models).

Panel Section Wiring (STR-N500/N600)

Panel Section Printed Wiring Board

Layout of the printed wiring board for the panel section.

Panel Section Schematic Diagram

Schematic diagram for the circuitry on the panel section.

IC Pin Functions (STR-N500/N600)

Display Control IC (PD78044AGF) Pinout

Detailed pinout and function description for the display control IC.

Electrical Parts List (STR-N500/N600)

Connector and Main Board Parts

Amplifier Specifications (TAN-N500/N600)

Disassembly Procedures (TAN-N500/N600)

Front Panel Assembly Disassembly

Step-by-step guide for disassembling the front panel assembly.

Schematic Diagrams (TAN-N500/N600)

Cassette Deck Specifications (TC-N500)

Servicing Notes (TC-N500)

Flexible Circuit Board Repairing

Disassembly Procedures (TC-N500)

Case, Front Panel Block Disassembly

Step-by-step guide for disassembling the front panel assembly.

Lid Cassette and Mechanism Deck Disassembly

Mechanical Adjustments (TC-N500)

Precautions and Torque Measurement

Electrical Adjustments (TC-N500)

Test Tape Usage for Adjustments

Record/Playback Head Azimuth Adjustment

Procedure for adjusting the record/playback head azimuth.

Playback Adjustments (TC-N500)

Tape Speed and Playback Level Adjustments

Procedures for adjusting tape speed and playback levels for both decks.

Record Adjustments (TC-N500)

Record BIAS Adjustment (Deck B)

Procedure for adjusting the record bias on Deck B.

Record Level Adjustments (Deck B)

Procedure for adjusting the record level on Deck B.

IC Pin Functions (TC-N500)

Main Board IC Pin Functions (M50964-261FP)

Detailed pinout and function description for the system control IC on the main board.

Schematic Diagrams (TC-N500)

Main Section Schematic

Detailed schematic diagram of the main section circuitry.

Board-Specific Schematics

BD Electrical Parts List (CDP-N550C)

BD Board Capacitors and Connectors

BD Board Diodes, Transistors, and Resistors

CD Player Specifications (CDP-N550C)

CD Player Servicing Notes

Flexible Circuit Board Repairing (CD Player)

Disassembly Procedures (CDP-N550C)

Case, Bottom Plate, and Front Panel Disassembly

Steps for disassembling the case, bottom plate, and front panel.

Back Panel and Disc Table Disassembly

Electrical Adjustments (CDP-N550C)

Bracket (BD) Assy and Loading Motor Board

CD Player Adjustments

Focus Bias Adjustment Procedure

Steps for adjusting the focus bias for optimal CD playback.

S Curve Check and RF Level Check

Procedures for checking S-curve symmetry and RF signal levels.

Tracking and Balance Adjustments (CDP-N550C)

E-F Balance Check Procedure

Steps for performing the E-F balance check on the CD player.

Focus/Tracking Gain Adjustment

BD Section Schematic (CDP-N550C)

BD Section Schematic Diagram

Detailed schematic diagram of the BD section circuitry.

Main Section Schematic (CDP-N550C)

Main Section Schematic Diagram

Detailed schematic diagram of the main section circuitry.

IC Pin Functions (IC301)

Pinout and function description for the IC301 system control IC.

IC Pin Functions (CDP-N550C)

IC301 System Control Pin Functions

Detailed pinout and function description for IC301 (system control).

Speaker System Specifications (SS-LB500/LB650V)

SS-LB500 Specifications

SS-LB650V Specifications

Turntable System Specifications (PS-LX56/LX56P)

Turntable Specifications (PS-LX56/LX56P)

Specifications for turntable section, including motor, platter, and tonearm.

Turntable Schematic Diagrams (PS-LX56/LX56P)

PS-LX56 Schematic and Switches

Schematic diagram and switch positions for the PS-LX56 model.

PS-LX56P Schematic and Switches

Schematic diagram and switch positions for the PS-LX56P model.

Wiring Diagrams

Turntable Diagrams (PS-LX56/LX56P)

PS-LX56 Schematic and Wiring

Schematic and wiring details for the PS-LX56 turntable.

PS-LX56P Schematic and Wiring

Schematic and wiring details for the PS-LX56P turntable.