Specifications
Table Of Contents
- PowerBook 190/5300 Series
- Basics
- Specifications
- Troubleshooting
- Take Apart
- Introduction
- Before You Begin
- Battery
- Floppy Drive
- I/O Door
- Front Feet
- Rear Feet
- Keyboard
- RAM Card
- Clutch Covers
- PC Switch Board (PCMCIA)
- Display Assembly
- Palm Rest
- Sleep Actuator
- Trackpad
- Hard Drive
- Power Supply Board (5300 Series Only)
- Backup Battery
- Heat Sink
- Video Board (Optional on 190 Series)
- Logic Board
- CPU Stiffener
- Infrared Board (Optional on 190 Series)
- Media Bay LED
- PC Card Door (PCMCIA)
- Video Expansion Cover (Optional on 190 Series)
- Reset Actuator
- Sound-In Cover (190 Series Only)
- Media Bay Release Mechanism
- Display Housing
- Inverter Board
- Display
- Microphone
- Speaker
- Clutches
- Floppy Drive Mechanism
- Upgrades
- Additional Procedures
- Exploded View

Troubleshooting Symptom Charts/Video - 10
Display stopped
working or dimmed
but is fine now
1 PowerBook 190 Series, 5300/100, 5300cs/100: If
temperature is under 0° C or over 50° C, this reaction is
normal. Let screen warm up for 30 minutes. If symptom
persists, replace display.
2 PowerBook 5300c/100 and 5300ce/117: replace display.
Backlight doesn't
operate
1 Adjust screen contrast and brightness settings.
2 Verify that backlight cable connection is secure.
3 Check cable, inverter board, and logic board connections.
4 Verify that cables are not pinched or severed.
5 Replace inverter board.
6 Replace display.
7 Replace logic board.
Ê