Philips H8 User Manual

philips technical training
401 e. old andrew johnson hwy
p.o. box 555
jefferson city, tn 37760
phone: 423-475-0397
fax:423-475-0221
email: Technical.Training@philips.com
PHILIPS
TECH
VIDEOTAPE S
MANUALS
TRAINING
PSSG
PHILIPS SERVICE SOLUTIONS GROUP
H8 CHASSIS
TECHNICAL TRAINING
MANUAL
2001 RTM TRAINING

Philips H8 Specifications

General

Model	H8
Manufacturer	Philips
Form Factor	Unknown
Material	Unknown
Color	Unknown
Drive Bays	Unknown
Expansion Slots	Unknown
Front Ports	Unknown
Cooling	Unknown
Dimensions	Unknown
Weight	Unknown

Summary

INTRODUCTION

H8 Chassis Overview

Describes screen sizes, panel features, and picture tube types for the H8 Chassis.

PIP and Double Window Versions

Explains Picture-in-Picture functionality and its different versions.

M-Link Feature

Details the M-Link feature for controlling external devices via the TV.

Other Features

Covers AVL, AutoLock, and picture format selection settings.

H8 CHASSIS BOARD LOCATIONS

POWER SUPPLY

Switch Mode Supply (Figure 1)

Explains the operation and troubleshooting of the switch mode power supply circuit.

Standby Regulators and On/Off (Figure 2)

Five Volt Switch (Figure 3)

Power Down and Front Detect (Figure 4)

SWEEP AND SHUTDOWN CIRCUITS

Horizontal and Vertical Drive (Figure 5)

Discusses horizontal/vertical drive signals, protection mechanisms, and error codes.

Horizontal Output and Shutdown (Figure 6)

Explains horizontal drive circuits, protection, and shutdown triggers.

VIDEO SIGNAL FLOW

NON PIP Video Signal Flow (Figure 8)

Details the video signal path for non-PIP chassis configurations.

Standard CRT Drive (Figure 9)

PIP (Picture in Picture) Video Flow (Figure 10)

PIP Circuit (Figure 11)

PIP Switching (Figure 12)

PIP Power Supply (Figure 13)

Video Signal Flow with Double Window (Figure 14)

Double Window Tuner and Video Switching (Figure 15)

Double Window Output (Figure 16)

Double Window Control and Power Supply (Figure 17)

Very Flat CRT Drive Circuit (Figure 18)

AUDIO SIGNAL PATH

Audio Signal Processing (Figure 19)

Describes audio processing, volume control, and headphone/monitor outputs.

Audio Amplifier (Figure 20)

Details audio amplifier operation, power, and mute functions.

Headphone Amplifier (Figure 21)

Explains the headphone amplifier circuit and its power source.

Side Jack Panel (Figure 22)

Microprocessor (Figure 23)

Customer Control Interface (Figure 24)

SERVICE MODES

Service Default Mode (SDM)

Describes SDM entry procedure and its default settings.

Service Alignment Mode (SAM) (Figure 25)

Explains SAM for alignment, option settings, and error code management.

Customer Service Mode (CSM)

Describes CSM for customers to read error codes.

M-Link (Figure 26)

DEAD SET/SHUTDOWN Troubleshooting

NO PICTURE Troubleshooting

NO AUDIO Troubleshooting