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Loewe CAL 2323 MB User Manual

Loewe CAL 2323 MB
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Service Manual
230-90353.940
A2400
CAL 2323 MB
Art.-N
°
59414
ACO 9303 PB
Art.-N
°
59471
PLA 5303 PL
Art.-N
°
59470
ACO 9303 59471
PLA 5303 59470
CAL 2323 59414
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Loewe CAL 2323 MB Specifications

General IconGeneral
BrandLoewe
ModelCAL 2323 MB
CategoryTV
LanguageEnglish

Summary

Rear Panel Removal

How to move the chassis into the service position

Instructions for safely positioning the chassis for servicing.

Service position for the signal board

Procedure for accessing and working on the signal board.

Repair information for the signal board

Guidance for diagnosing and repairing issues with the signal board.

Technical specifications

CAL 2323 MB

Technical details for the CAL 2323 MB model.

ACO 9303 MB

Technical details for the ACO 9303 MB model.

PLA 5303

Technical details for the PLA 5303 model.

Wiring diagram CAL 2323 MB

Wiring diagram ACO 9323 MB

Wiring diagram PLA 5303

Basic Board (A 2400)

Service layout diagram

Diagram showing the component layout on the Basic Board.

Arrangement of the SERVICE Mode commands on the remote control

Entering Service Mode

Steps to access the TV's service mode using the remote control.

Service menu (A 2400)

System data

Access to chassis, software, EPROM, and operating time information.

Geometry

Menu for adjusting picture geometry settings.

Cutoff

Menu for adjusting cutoff values for color signals.

White drive

Menu for adjusting white drive levels for color signals.

Option bytes

Menu for configuring optional settings via byte parameters.

Adjustments

Access to various adjustment functions like Y delay and OSD contrast.

Adjustment procedures

Instructions on Geometry Alignment

Detailed steps for aligning geometry parameters for optimal picture display.

Alignment functions (0-12)

Vertical Amplitude

Alignment function for adjusting vertical picture amplitude.

Vertical Position

Alignment function for adjusting vertical picture position.

Vertical Symmetry

Alignment function for adjusting vertical picture symmetry.

Vertical Linearity

Alignment function for adjusting vertical picture linearity.

Horizontal Amplitude

Alignment function for adjusting horizontal picture amplitude.

Horizontal Position

Alignment function for adjusting horizontal picture position.

Trapezium Correction

Alignment function for correcting picture trapezium distortion.

Vertical Angle

Alignment function for adjusting vertical picture angle.

Horizontal Offset

Alignment function for adjusting horizontal picture offset.

Alignment functions (13-21)

Cutoff Measuring Pulse

Alignment function for measuring cutoff pulse for color output stages.

Cutoff Reference Value

Alignment function for setting cutoff reference values.

White Level

Alignment function for setting white level for dominant colors.

Option bytes

Alignment functions for setting various option bytes.

Alignment functions (22-37)

Subcarrier Osc.

Alignment function for adjusting subcarrier oscillator (main and PIP).

Y Delay

Alignment function for adjusting Y delay.

EAROM Transfer via AV

Function for transferring EAROM data via AV input.

7. Analog adjustments

Alignment functions outside the Service Mode (= analog alignment points)

Analog alignment procedures not accessible via the service menu.

TV Menu (A 2400)

Channel Set-Up

Menu for configuring channel search, add/delete, and naming.

Connections

Menu for managing AV, VCR, camcorder, and other input connections.

Language

Menu for selecting the display language.

Parental Lock

Menu for setting up parental control and lock features.

All Channels

Display of all available channels and locking options.

Adapter PCB

Adapter PCB 396-87957A

Component layout and naming for the Adapter PCB.

IR remote control

IR remote control PCB 396-87628C

Component layout for the IR remote control PCB.

Infrared remote handset "Control USA"

Infrared remote control PCB 396-87628C

Component layout for the IR remote control PCB.

Control unit

ESC Protective measure

Information regarding electrostatic discharge protective measures.

Control Board

Control unit

Infrared receiver

Diagram of the infrared receiver circuit.

CRT board

Scan velocity modulator

Schematic section for the scan velocity modulator circuit.

Rotations panel

Rotation Panel PCB 396-87281.051

Component layout for the Rotations Panel PCB.

VGA-/IR-Adapter

VGA-/IR-Adapter (PCB)

Component layout for the VGA-/IR-Adapter PCB.

Entmagnetisierung / Degaussing Switch

Degaussing switch (PCB)

Component layout for the Degaussing Switch PCB.

Cross-over network

Cross-over network PCB 396-85729.068

Component layout for the Cross-over network PCB.

Cross-over network

Cross-over network PCB 396-85729.069

Component layout for the Cross-over network PCB.

Tuner/IF PCB

Tuner/IF PCB

Tuner IF

Tuner IF schematic 260-87507.051

Schematic diagram for the Tuner IF module.

Tuner IF

Tuner IF schematic 260-87346.050

Schematic diagram for the Tuner IF module.

Components chart

CHASSIS REPLACEMENT PARTS LIST

Signal Board

Oscillograms

Display of various signal waveforms measured on the Signal Board.

Basic Board

Oscillograms

Display of various signal waveforms measured on the Basic Board.

Signal Board

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