Philips LFH 9750/00 Bedienungsanleitung

Service Manual

Digital

Dictation/Transcription System

LFH 9750/00

A Publication of

Philips Speech Processing

Technical Service/Support Group Vienna

Gutheil-Schoder-Gasse 12

A-1102 Vienna, Austria

Tel. +43 1 60101 ext. 1309

Fax +43 1 60101 1833

5122 991 73341

June 2004

Contents

page

• General Description

Benefits/Features 2

• Operating Instruction 3

• Test mode (FW 2.xx) 4

• Firmware Upgrade 5

• MAC Address 6

• Firmware Upgrade (FW 2.20)

USB Test, Fault codes,

Record/Play back test 7

• Circuit Diagram PCB 1 8

• Circuit Diagram PCB 2 9

• PCB 1 –Side 1 10

• PCB 1 –Side 2 11

• PCB 2 –Side 1, Side 2 12

• Exploded View 13

• Mechanical Partslist 14

• Electrical Partslist 15,16

General Description

The LFH 9750 has been designed to offer optimum user convenience and greater

efficiency for the daily work.

This model is a state-of-the-art digital Dictation/Transcription System for the professional

user. Digital transcription allows instant and precise access to any point in the dictation

sound file.

During dictation user-defined information (Keywords) can be stored with the sound file.

Benefits/Features

• Compatible with the Digital Pocket Memo range LFH 9350, LFH 9250, LFH 9220

and LFH 9400.

• Exchangeable Multimedia/SD (Secure Digital) Card for simple, efficient data

transfer, and flexibility when on the move.

• DSS file format: This industry standard file format for digital recording devices offers

minimum file sizes whilst maintaining crystal clear sound quality.

• Voice-Activated Recording for hands-free dictation.

• Insert, overwrite and delete/partial delete functions allow full editing capability and

continuity of dictation.

• Backlit LC-Display makes reading the display in poor lighting conditions easier.

• Two Display settings (standard/advanced) allowing selection which information

should be displayed on the screen (numeric or graphical).

• Adjustable Microphone Sensitivity (3 steps) for conference or close range

recordings.

• Easy, automatic download of dictations (upload of sound files) to your PC via USB

connection.

• USB mass storage device: The Multimedia Card can be used to store data as well

as voice recordings.

• Volume, Tone and Speed controls.

• Automatic backspace function.

• Microphone and Headphone sockets.

• Conference Microphone socket.

• LC-Display shows creation time/date, size of the dictation file and operating mode.

• Warning tone signals low/full memory to avoid dictation loss.

• Standard Play/Long Play modes of recording to suit the user's preferences.

• Support of Microphones LFH 0276/10 and LFH 0278/10 for use as a digital

Dictation System.

• Support of Conference Microphone LFH 0172.

• Support of Foot Control LFH 0210.

Operating Instruction (short form)

10.DELETE button

11.LCD (Display)

12.Memory Card slot

13.Storage space for additional memory

cards

14.Jog Dial (for Skip Forward and Skip

Back, accessing the menu and

moving between menu entries)

15.Built-in loudspeaker

16.USB socket (for PC download)

17.Conference microphone socket

(LFH 0172)

18.Microphone socket (LFH 0276/10 or

LFH 0278/10)

19.Foot control socket

20.Headphone socket

21.Power supply socket

5678

14 15

1. Auto-backspace switch (ABS)

2. Speaker selector (built-in LS/Headphones/

Microphone LS)

3. DOWNLOAD button (download to PC)

4. TONE control

5. SKIP/FWD button (Skip Forward/

Fast Forward)

6. VOLUME control

7. STOP/PLAY button

8. SKIP/BACK button (Skip Back/Fast Rewind)

9. SPEED control (for adjusting playback

speed)

Test mode (from Firmware version 2.xx onwards)

Switch on the unit by connecting the power supply. To start the Test mode press

DOWNLOAD and DELETE buttons and JOG Dial simultaneously.

First all pixels on the LCD are switched on for a short time. Simultaneously the Warning

tone is audible in the speaker (one peep).

Display shows: VER: 02.20 (e.g. Firmware version 02.20)

LFH: 9750/00 (Model number)

MAC: 00000000 (MAC Address, which is also the Serial number)

(ERR:) ……. (Error, for factory use only)

HIS: ……. (History, for factory use only)

Press any key

After pressing any key all switches (including foot switch), the Jog Dial, the SPEED

control, the ABS switch, the buttons on Microphones LFH 0276/10 or LFH 0278/10, the

CONF MIC socket, the warning tone and the Display Lighting can be checked according

the information given on LCD.

Button/Switch Warning

tone Display

Lighting Display

Key:

DOWNLOAD ON *) DL

DELETE ON *) DEL

ON *) Backw

STOP/PLAY ON ON *) Play

ON *) Forw

JOG (push) ON *) Jog OK

JOG -ON *) Jog DOWN

JOG + ON *) Jog UP

All Buttons

pressed and ok Last Button

pressed

Keys OK

*) 7 sec. Time out

To exit the Test mode disconnect the unit from mains (disconnect power supply).

Control

device Display

SPEED 0 …. ~3300

ABS switch 1

~1100

~2200

~3300

MIKE

Connected

(STOP)

Depends on

button

pressed

~2750

~500 …

~2500

CONF MIC

Not

connected

Connected

NO CONF

CONF

Firmware Upgrade

Download the Firmware Upgrade tool with the last version of the relevant Firmware

<DPMFirmwareV0103.exe> (e.g. for Firmware version 01.03) and the <Upgrade.txt> file

(information about how to upgrade the Firmware of the DPM2 family) from

http://www.speech.philips.com/service/ to a dedicated directory on your PC.

To upgrade the Firmware on LFH 9750:

It is strongly advised to follow the correct sequence given below !

1. Push the Trigger Firmware Upgrade switch on the rear of the machine (through the

hole marked with P) by using a small pin whilst simultaneously plugging in the power

supply. To confirm the Upgrade mode the Display is now switched off.

2. Start the <DPMFirmwareV0103.exe> file.

3. Connect the LFH 9750 to the PC by using the USB download cable.

Click “OK”

Simultaneously with above message the LCD on LFH 9750 displays: “Update please

wait”, followed by “Unplug USB cable” to confirm the correct upgrade procedure.

Click “OK”

4. Disconnect the USB cable.

After starting the Test mode by pressing DOWNLOAD and DELETE buttons and JOG Dial

simultaneously the Display indicates the loaded Firmware version, e.g. VER: 01.03

MAC Address

After replacement of the DSP-Print (PCB2) the original MAC address of the unit, which

is equal with the Serial number of the machine, has to be set.

Download the MAC Address programming tool <SerialNumber.exe>, the

<FACTORY.bin> file and the <DPMFIRMWAREUPGRADE.EXE> file from

http://www.speech.philips.com/service/ to a dedicated directory on your PC.

To set the MAC Address (after replacement of PCB2):

It is strongly advised to follow the correct sequence given below !

1. Push the Trigger Firmware Upgrade switch on the rear of the machine (through the

hole marked with P) by using a small pin whilst simultaneously plugging in the power

supply. To confirm the Upgrade mode the Display is now switched off.

2. Start the <SerialNumber.exe> file.

3. Connect the LFH 9750 to the PC by using the USB download cable.

Set the PCB to EU (International) or US version (12 hours PM/AM or 24 hours clock).

Type in the Serial number of the machine mentioned on the type level on the bottom plate.

Click “OK”

4. Disconnect the USB cable.

Firmware Upgrade (from Firmware version 2.20 onwards)

Download the last version of Firmware <DPMFirmwareV0220.exe> (e.g. for Firmware

version 02.20) from http://www.speech.philips.com/service/ to a dedicated directory on

your PC.

To upgrade the Firmware on LFH 9750/00:

3. Start the <DPMFirmwareV0220.exe> file.

4. Follow the instructions given by the DPM Firmware Upgrade Wizard.

After starting the Test mode by pressing DL and DEL buttons and JOG Dial

simultaneously the Display indicates the loaded Firmware version, e.g. VER: 02.20

USB (connector) test

The communication between the LFH 9750 and the PC is tested during any Firmware

Upgrade process by connecting the LFH 9750 to the PC.

Firmware fault codes

A number of faults are recognized by the firmware and a fault code is displayed on the

LCD.

Example:

If above information appears on the LCD please notify the mentioned fault code (e.g. fault

code 200) and report it to your Cluster Service Manager for further investigations.

Record/Play back test

Insert a Memory Card.

Create a record via the connected microphone (LFH 0276/10 or LFH 0278/10) and a

conference microphone LFH 0172 (test of the conference microphone socket) as well.

Play back the recorded sound file via the built-in loud speaker and a headphone (test of

the headphone socket) as well.

Circuit Digram PCB 1Circuit Digram PCB 1

Circuit Digram PCB 1

Circuit Digram PCB 2

PCB 1 - Side 1

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