Acer TravelMate 310 User manual

TravelMate 310 Notebook
Service Guide
CSD Web: csd.acer.com.tw
PART No: 49.42B02.001....................................................PRINT IN TAIWAN
DOC No: SG281-9807A
Service Guide files and updates are available on Acer
Intranet and CSD database on Lotus Notes.
More detail information, please refer to Service CD kit.

II TravelMate 310 Service Guide
Copyright
Copyright © 1996 by Acer Incorporated. All rights reserved. No part of this
publication may be reproduced, transmitted, transcribed, stored in a retrieval
system, or translated into any language or computer language, in any form or
by any means, electronic, mechanical, magnetic, optical, chemical, manual or
otherwise, without the prior written permission of Acer Incorporated.
Disclaimer
Acer Incorporated makes no representations or warranties, either expressed
or implied, with respect to the contents hereof and specifically disclaims any
warranties of merchantability or fitness for any particular purpose. Any Acer
Incorporated software described in this manual is sold or licensed "as is".
Should the programs prove defective following their purchase, the buyer (and
not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of
all necessary servicing, repair, and any incidental or consequential damages
resulting from anydefect in the software. Further, Acer Incorporated reserves
the right to revise this publication and to make changes from time to time in
the contents hereof without obligation of Acer Incorporated to notify any
person of such revision or changes.
Acer is a registered trademark of Acer Incorporated.
Intel is a registered trademark of Intel Corporation.
Pentium is a trademark of Intel Corporation.
Other brand and product names are trademarks and/or registered
trademarks of their respective holders.

III
Chapter 1 System Specifications1
Overview . . . .... . . . ... . . . .... . . . ... . . . .... . . . ... . . . 1
Hardware Configuration and Specification.. . . .... . . . ... . . . 3
Software Configuration and Specification . ... .... ... ... ..15
Hot Keys . . . . ... . . . .... . . . ... . . . .... . . . ... . . 15
Chapter 2 Setup Utility19
BIOS.... . . .... . . . ... . . . .... . . . ... . . . .... . . . ... . . 19
Setup Utility. .... . . . ... . . . .... . . . ... . . . .... . . . ... . . 20
Navigating the Setup Utility.. . . . ... . . . . ... . . . ..20
Main.... . . . ... . . . .... . . . ... . . . .... . . . ... . . 21
Security.. . . . ... . . . .... . . . ... . . . .... . . . ... . . 25
Power Saving... . . . .... . . . ... . . . .... . . . ... . . 28
Exit. .... . . . ... . . . .... . . . ... . . . .... . . . ... . . 29
Chapter 3 Machine Disassembly 31
Disassemblyof the upper case from the lower case. . . ... . . 35
Disassembling the Battery. . . ... . . . .... . . . ... . . 35
Disassembling the I/O door .. ... ... .... ... ... ..36
Disassembling the DIMM . . . . ... . . . .... . . . ... . . 37
Removing the LCD module . . ... . . . .... . . . ... . . 38
Disassembling the LCD Module.. . . . ... . . . .... . . . ... . . 39
Disassembly of the LCD panel... ... .... ... ... ..39
Disassembling the Speaker . . ... . . . .... . . . ... . . 40
Disassembling the LEDboard... . . . .... . . . ... . . 41
Disassembling the Inverter board . . . . .... . . . ... . . 41
Diassemblingthe LCD ... . . . ... . . . .... . . . ... . . 42
Disassembling the upper case... ... ... ... .... ... ... ..43
Disassembling the touchpad . ... . . . .... . . . ... . . 44
Disassembling the lower case.... . . . ... . . . .... . . . ... . . 45
EasyDisassemblyofLCD Module. . . ... . . . .... . . . ... . . 47
Removing thebattery pack . . . ... . . . .... . . . ... . . 47
Removing theLCD panel. . . . ... . . . .... . . . ... . . 48
Removing the inverter, speaker,and LED board.. . . 49
Disassembling the LCD Module .. . . . .... . . . ... . .50
EasyDisassemblyofMain Unit... . . . ... . . . .... . . . ... . . 51
Table of Contents

IV
Disassembling the battery pack. . . . . . . . . . . . . . . . . .51
Disassembly of LCD and main unit. . . . . . . . . . . . . . .52
Disassembly of the main unit . . . . . . . . . . . . . . . . . . . .54
Diskette Drive Check . . . . . . . . . . . . . . . . . . . . . . . . . .57
Chapter 4 Troubleshooting 57
Keyboard or Auxiliary Input Device Check . . . . . . . . .58
Memory Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Power System Check . . . . . . . . . . . . . . . . . . . . . . . . .60
TouchPad Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Symptom-to-Spare Part Index . . . . . . . . . . . . . . . . . . . . . . . . .63
Numeric Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . .63
Numeric error Codes . . . . . . . . . . . . . . . . . . . . . . . . . .63
Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
No Beep Symptoms . . . . . . . . . . . . . . . . . . . . . . . . . . .65
LCD-Related Symptoms. . . . . . . . . . . . . . . . . . . . . . . 66
Keyboard/TouchPad-Related Symptoms . . . . . . . . . .66
Indicator-Related Symptoms . . . . . . . . . . . . . . . . . . . .66
Power-Related Symptoms . . . . . . . . . . . . . . . . . . . . . .66
PCMCIA-Related Symptoms . . . . . . . . . . . . . . . . . . . .67
Memory-Related Symptoms . . . . . . . . . . . . . . . . . . . .67
Speak-Related Symptoms . . . . . . . . . . . . . . . . . . . . . .67
Power Management-Related Symptoms . . . . . . . . . . .67
Intermittent Problems . . . . . . . . . . . . . . . . . . . . . . . . .68
Undetermined Problems . . . . . . . . . . . . . . . . . . . . . . .68
Peripheral-Device-Related Symptoms . . . . . . . . . . . .68
Diagnostic Program Diskette . . . . . . . . . . . . . . . . . . . . . . . . . .70
Utility Program Diskette . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Thermal Sensor Utility . . . . . . . . . . . . . . . . . . . . . . . . .70
Running PQA Diagnostics Program . . . . . . . . . . . . . .71
PQA Diagnostic Program Error Code and Messages .73
Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Table of Contents

V
Chapter 5 Jumpers and Connectors 75
Chapter 6 Spare Parts List 77
Appendix A Model Definition 87
Appendix B Compatibility Test 89
System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
PCMCIA LAN Card Connection Test . . . . . . . . . . . . . 91
Novell Netware Server Environment Test . . . . . . . . . 91
Microsoft Windows NT Server Environment Test . . . . 91
PCMCIA Modem Card Test . . . . . . . . . . . . . . . . . . . . 92
Microsoft Windows Environment Test. . . . . . . . . . . . . 92
External Modem Box Test . . . . . . . . . . . . . . . . . . . . . 92
Microsoft Windows Environment Test . . . . . . . . . . . . 92
Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Microsoft Windows 95 (OSR2) Environment Test. . . . 93
Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Windows 95 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Main System Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Hardware Basic Function Test . . . . . . . . . . . . . . . . . . 99
System BIOS Compatibility Test . . . . . . . . . . . . . . . . . 99
Operating System Test . . . . . . . . . . . . . . . . . . . . . . . 102
Application Packages Test . . . . . . . . . . . . . . . . . . . . 102
PCMCIA Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Peripheral Devices Test . . . . . . . . . . . . . . . . . . . . . . 105
Battery Performance Test . . . . . . . . . . . . . . . . . . . . . 107
Battery Life Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Battery Function Test . . . . . . . . . . . . . . . . . . . . . . . . 107
Video & Display Driver Test . . . . . . . . . . . . . . . . . . . 108
Audio Integration Test . . . . . . . . . . . . . . . . . . . . . . . 108
Multimedia PC Function Test . . . . . . . . . . . . . . . . . . 109
Realtime Clock Test . . . . . . . . . . . . . . . . . . . . . . . . . 109
Utility Driver Test . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Table of Contents

VI
Appendix C Online Support Information 111
Index 113
Table of Contents

Chapter 1 1
Overview
This computer was designed with the user in mind. Here are just a few of its
many features:
Performance
• Intel Pentium® processor with MMX™ technology
• 64-bit main memory and external (L2) cache memory
• Large LCD display and PCI local bus video with 128-bit graphics
acceleration
• External 3.5-inch floppy drive
• External CD-ROM drive (optional)
• High-capacity, enhanced-IDE hard disk
• Lithium-Ion battery pack
• Heuristic power management system with standby and hibernation
power saving modes
Multimedia
• 16-bit high-fidelity stereo audio with 3-D sound
• Built-in speaker
• Built-in microphone
Connectivity
• High-speed fax/data modem port
• Fast infrared wireless communication
• USB (Universal Serial Bus) port
Human-centric Design and Ergonomics
• Lightweight and slim
• Sleek, smooth and stylish design
• Wide and curved palm rest
System Specifications
C h a p t e r 1

2 TravelMate 310 Service Guide
• Ergonomically-centered touchpad pointing device
Expansion
• CardBus PC card (formerly PCMCIA) slots (two type II/I or one type III)
with ZV (Zoomed Video) port support
• Upgradeable memory and hard disk

Chapter 1 3
Hardware Configuration and Specification
Memory Address Map
Address Range Definition Function
000000-09FFFF 640 KB memory Base memory
0A0000-0BFFFF 128 KB video RAM Reserved
0C0000-0CBFFF Video BIOS Video BIOS
0F0000-0FFFFF 64 KB system BIOS System BIOS
100000-top limited Extended memory SIMM memory
FE0000-FFFFFF 256 KB system ROM Duplicate of code
assignment at 0E0000-
0FFFFF
Interrupt channel default assignment
Channel Default setting mode Remarks
NMI System errors
IRQ0 System timer Edge
IRQ1 Keyboard Edge
IRQ2 (cascade) Edge
IRQ3 Infrared (COM2) Edge Dynamically
programmable
IRQ4 Modem/COM1
(can be disable) Edge Dynamically programmable
IRQ5 Yamaha sound
system audio level PnP/ISA
IRQ6 Floppy Edge
IRQ7 Printer Edge Dynamically
programmable
IRQ8 Real time clock Edge
IRQ9 PCI device level PCI interrupt
sharing
IRQ10 Modem Edge Dynamically
programmable
IRQ11 PCI device level PCI interrupt
sharing
IRQ12 pointing device Edge
IRQ13 Math
coprocessor Edge
IRQ14 Hard disk driver
IRQ15 CD-ROM driver

4 TravelMate 310 Service Guide
DMA channel default assignment
Channel Default setting mode
DRQ/DACK0 Yamaha sound system
audio 8-bit
DRQ/DACK1 ECP 8-bit
DRQ/DACK2 Floppy 8-bit
DRQ/DACK3 Fast Infrared (COM2) 8-bit
DRQ/DACK4 DMA controller 16-bit
DRQ/DACk7 Yamaha Sound system
audio 16-bit
I/O address map
Address Device
000-00F DMA controller-1
020-021 Interrupt controller-1
040-043 System timer
060-060 Keyboard
061-061 System speaker
064-064 Keyboard
070-071 Real-time clock and NMI mask
080-08F DMA page register
0A0-0A1 Interrupt controller-2
0C0-0DF DMA controller-2
0F0-0FF Math coprocessor
108-10F Modem
120-13F USB HOST controller
160-167 IDE/ESDI CD-ROM
16E-16F IDE/ESDI CD-ROM
1F0-1F7 PCI IDE controller
220-22F Audio (option)
2F8-2FF IR serial port (COM2)
330-331 Audio (option)
370-371 Audio (option)
378-37F ECP printer port (LPT1)
388-38F Audio (option)
3B0-3BB VGA
3C0-3DF VGA
3E8-3EF Modem

Chapter 1 5
3F0-3F5 Floppy disk controller
3F6-3F6 PCI IDE controller
3F7-3F7 Floppy disk controller
3F8-3FF Communication port (COM1)
530-537 Audio (option)
778-77F ECP printer port (LPT1)
CF8-CFF PCI bus
Processor
Item Specification
CPU type Intel Tillamook 200/233/266/300 Mhz or
Tillamook--Intel Pentium architecture, 64 bit data bus,
16K-Byte code cache, 16 K-Bytes write back data,
cache, MMX
CPU package 256/512KB L2 cache
CPU core voltage 1.8V/200/233, 2.0V/266/300
CPU I/O voltage 2.5V
BIOS
Item Specification
BIOS vendor Phoenix
BIOS Version V1.0 R00M2F
BIOS ROM type ROM
BIOS ROM size 256KB
BIOS package 32 Pin TSOP
Support protocol PCI 2.1, APM 1.2, DMI 2.00.1, E-IDE, ACPI 1.0, ESCD
1.03, ANSI ATA 3.0, PnP 1.1a, Bootable CD-ROM 1.0,
ATAPI
BIOS password control RTC battery
System Memory
Item Specification
Memory controller MTXC (82439TX)
Onboard memory size 16MB
DIMM socket number 1 sockets (1 banks)
Supported memory size per DIMM 16/32/64/128
I/O address map
Address Device

6 TravelMate 310 Service Guide
Supported maximum memory size 80MB (16MB+64MB)
Supported DIMM type Synchronous DRAM, EDO
Supported DIMM Speed SDRAM: With SPD, no parity
Supported DIMM voltage 3.3V
Supported DIMM package 144-pin DIMM
DIMM Memory Combinations
Slot 1/On board Slot 2 Total Memory
0MB/16MB 16MB 16MB/32MB
0MB/16MB 32MB 32MB/48MB
0MB/16MB 64MB 64MB/80MB
0MB/16MB 128MB 128MB/144MB
Second-Level Cache
Item Specification
Cache controller MTXC (82439TX)
Tag RAM size 32K*8x1
Tag RAM voltage 3.3V
SRAM type PBSRAM
SRAM size 256K/512K
SRAM configuration 64K*64
SRAM speed Cycle time = 7ns
SRAM voltage 3.3V
1st level cache control always enable
2st level cache control always enable
Cache scheme control Fixed in Write-back
Video memory
Item Specification
Fixed or upgradeable Fixed, built-in NM2097A video
controller
Memory size/configuration 1.1MB
System Memory
Item Specification

Chapter 1 7
Video
Item Specification
Chip vendor NeoMagic
Chip name NM2097A
Chip voltage 3.3 Volts
ZV port support (Y/N) Yes
Graph interface (ISA/VESA/PCI) PCI bus
Max. resolution (LCD) 1024x768 (256 colors)
Max. resolution (Ext. CRT) 1024x768 (256 colors)
External CRT Resolutions Modes
Resolution CRT Refresh Rate Simultaneous
on TFT LCD
CRT only Simultaneous SVGA
640x480x256 60,75,85 60 Y
640x480x64K 60,75,85 60 Y
640x480x16M 60,75,85 60 Y
800x600x256 60,75,85 60 Y
800X600X64K 60,75,85 60 Y
1024x768x256 60,70,75 60 Y
Parallel Port
Item Specification
Parallel port controller NS PC97338
Number of parallel ports 1
Location Rear side
Connector type 25-pin D-type
Parallel port function control Enable/Diable by BIOS Setup
ECP support Yes (set by BIOS setup)
Selectable ECP DMA channel (in BIOS
Setup) DMA channel 1 DMA Channel 3
Selectable parallel port I/O address
(via BIOS Setup) 3BC, 378h, 278h, Disabled
Selectable parallel port IRQ (via BIOS
Setup) IRQ5, IRQ7

8 TravelMate 310 Service Guide
Serial Port
Item Specification
Serial port controller NS PC97338
Number of serial ports 1
16550 UART support Yes
Connector type 9-pin D-type
Location Rear side
Serial port function control Enable/disable by BIOS Setup
Selectable serial port (via BIOS Setup) 3F8h, 2F8h, 3E8h, 2E8h, Disabled
Selectable serial port IRQ (via BIOS
Setup) IRQ3, IRQ4, IRQ10, IRQ11
FIR
Item Specification
Vendor & model name IBM31T1100
Input power supply voltage 5V
Transfer data rate 4 Mbps/s
Transfer distance SIR mode--Min 2.0, Typ 2.6
1.2 Mbps--Min 1.4, Typ 2.0
4 Mbps--Min 1.1, Typ 1.5
Compatible standard IrDA (Infrared Data Association) 1.1,
HP-SIR and Sharp ASK
Output Radiant Intensity Half Angle +-15
Number of Irda ports 1
16550 UART support Yes
FIR location Left side
Selectable serial port (by BIOS Setup) 2F8h, IRQ3, Disabled
Audio
Item Specification
Audio Controller YMF715E-S
Audio onboard or optional Built-in
Mono or Stereo Stereo
Resolution 16-bit
Compatibility SB-16, Windows Sound System
Mixed sound source Voice, Synthesizer, Microphone, CD
Voice channel 8-/16-bit, mono/stereo
Sampling rate 44.1 KHz

Chapter 1 9
Internal microphone Yes
Internal speaker / Quantity Yes / 1 piece, on the bezel.
MPU-401 UART support Yes
PCMCIA
Item Specification
PCMCIA controller OZ6833T
PCMCIA voltage controller OZ6833T
Supported card type Type-II / Type-III
Number of slots Two Type-II or one type-III
Access location Right side
ZV (Zoomed Video) port support Yes*1 (Socket 1, lower side)
32 bit CardBus support Yes
Fax/Modem
Item Specification
Chipset Lucent
Fax modem data baud rate (bps) 56K
Data modem data baud rate (bps) 56K
Support modem protocol V.34 data modem, V.17 fax modem,
voice/audio mode, and digital
simultaneous voice and data (DSVD)
operation over a dial-up telephone line
Modem connector type RJ11
Modem connector location Right side
Keyboard
Item Specification
Keyboard controller M38867
Keyboard vendor & model name API
Total number of keypads 84-/85-/88-key
Windows 95 keys Yes
Internal & external keyboard work
simultaneously Yes
Audio
Item Specification

10 TravelMate 310 Service Guide
FDD
Item Specification
Vendor & model name D353F3(MISUMI)/MF355H-332MR(Mitsubushi)
Floppy Disk Specifications
Media recognition 2DD (720K) 2HD (1.2M,
3mode) 2HD (1.44M)
Sectors / track 9 15 18
Tracks 80 80 80
Data transfer rate (Kbit/
s) 250 300 500 500
Rotational speed
(RPM) 300 360 360 300
Read/write heads 2
Encoding method MFM
Power Requirement
Input Voltage (V) +5 +-10%
HDD
Item Specification
Vendor & Model Name IBMDYKA
22160 IBM DYKA 23240 IBMDBCA 204860
Drive Format
Capacity (MB) 2160 3240 4870
Bytes per sector 512 512 512
Logical heads 16 16 15
Logical sectors 63 63 63
Drive Format
Logical cylinders 4200 6304 10068
Physical read/write heads 2 2 3
Disks 3 4 2
Spindle speed (RPM) 4200 4200 4200
Performance Specifications
Buffer size (KB) 512 512 460
Interface IDE IDE ATA-4
Data transfer rate (disk-buffer, MB/s) 7.0~11.7 7.0~11.7 8.6~14.75
Data transfer rate (host-buffer, MBs) 16.6/33.3 16.6/33.3 16.6/33.3
DC Power Requirements
Voltage tolerance 5+-5% 5+-5% 5+-5%

Chapter 1 11
CD-ROM
Item Specification
Vendor & Model Name Addonics pocket CD-II
Performance Specification
Speed (KB/sec) 1200 KB/s
Access time (ms) 150 (Typ.)
Buffer memory (KB) 128
Interface Enhanced IDE compatible (PCMCIA)
Applicable disc format CD-DA, CD-ROM, CD-ROM XA (except
ADPCM), CD-I, Photo CD (Multisession), Video
CD, CD+
Loading mechanism Soft eject (with emergency eject hole)
Power Requirement
Input Voltage (V) 5
Battery
Item Specification
Vendor & model name Sony BTP-15A1
Battery Type Li-ion
Pack capacity (mAH) 1500
Cell voltage (V) 3.6
Number of battery cells 3
Package configuration 3S
Package voltage (V) 10.8
Charger & DC-DC Converter
Item Specification
Vendor & model name T62.092.C.00
Input voltage (from adapter, V) 7.5V-22V
Output current (to DC/DC converter, A) 2A
Battery Low Voltage Li-ion
Battery Low 1 level (V) 8.85V or 9 min to empty or
90mAH
Battery Low 2 level (V) 8.25V or 5 min to empty or
65mAH
Battery Low 3 level (V) 7.732V
Charge Current

12 TravelMate 310 Service Guide
The DC-AC inverter is used to generate a very high AC voltage, supports the
LCD CCFT backlight user, and is also responsible for the control of LCD
brightness. Avoid touching the DC-AC inverter area while the system unit is
turned on.
Backgound charge (charges even if system still
operative) 0.3A
Normal charge (charge while system is not
operative) 1.0A
Charging Protection
Maximum temperature protection 60
Input voltage (Vdc) 7.5~22V
Output rating 5V 3.3V +12V 6V 3.3V
SB 118V/ 210V
Current (w/load, A) 0~2.5 0~3.2 0~0.1
20~0.1 0.01 0- 0.42A
Voltage ripple (max.,
mV) 50 50 100 300 75 50
Voltage noise (max.,
mV) 100 100 200 500 200 100
OVP (Over Voltage
Protection, V) 5.5V max 3.63V max -7~9-2.8V
OCP (Over Current
Protection, A) 3~5V 3.7V~ 5.7V ---4.5V~ 6.5A
DC-AC Inverter
Item Specification
Vendor & model name Ambit T62.105.C.00
Input voltage (V) 7.5 ~ 17
Input current (mA) ~700 (max)
Output voltage (Vrms, no load) 1100 (min)
Output voltage frequency (kHz) 7-~90
Output current (mArms)
(T62.086.C.00) 1.5~5.0
Charger & DC-DC Converter
Item Specification

Chapter 1 13
LCD
Item Specification
Vendor & model name Sanyo LM-DA53-
22NAW HLD8D4-020300DE
Mechanical Specifications
LCD display area (diagonal,
inch) 8.0 8.4
Display technology ASTN TFT
Resolution VGA (640x480) SVGA (800x600)
Support colors - 262,144 colors
Optical Specification
Contrast ration 30 (typ) 150 (typ)
Brightness (cd/m2) 65 (typ) 100 (typ)
Brightness control keyboard hotkey keyboard hotkey
Contrast control keyboard hotkey None
Electrical Specification
Supply voltage for LCD display
(V) 3.3 (typ) 3.0~3.6 (typ)
Supply voltage for LCD
backlight (Vrms) 540 (typ) 430 (typ), 452 (max)
AC Adapter
Item Specification
Vendor & model name Delta ADP-36.Rev.AA3
Input Requirements
nominal voltages
(Vrms) 90~270
Frequency variation
range (Hz) 47~63
Maximum input current
(A, @90Vac, full load) 1.0A
Inrush current The maximum inrush current will be less than 50A and
100A when the adapter is connected to 115Vac (60Hz)
and 230Vac(50Hz) respectively.
Efficiency It should provide an efficiency of 83% minimum, when
measured at maximum load under 115V (60Hz) &
230Vac (60Hz)
Output Ratings (CV mode)
DC output voltage (V) 16V +-1.0V
Noise + Ripple (mV) 300mvp-pmax (20Mhz bandwidth)

14 TravelMate 310 Service Guide
Output Ratings (CC mode)
Load (A) 0 (min) 2.3 (max)
Dynamic output Characteristics
Turn-on delay time (s,
@115Vac) 2
Hold up time (ms;
@115 Vac input, full
load)
4 (min)
Over voltage protection
(OVP, V) 22
Short circuit protection Output can beshorted without damage
Electrostatic discharge
(ESD, kV) +-15 KV(at air discharge)
Dielectric withstand voltage
Primary to secondary 3000 Vac (or 4242 Vdc), 10mA for 1 second
Leakage current 0.25 mA maximum @ 254 Vac, 60Hz
Regulatory Requirements
Internal filter meets:
FCC class B requirements. (USA)
VDE 243/1991 class B requirements. (German)
CISPR 22 Class B requirements. (Scandinavia)
VCCI class II requirements. (Japan)
AC Adapter
Item Specification