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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 

Subject to technical modifications. Copyright Philips Austria GmbH, Speech Processing. All rights reserved. 

 
 
 
Contents 

 

 

 

 

 

 

page 

• 

General Description 

Benefits/Features 

 

2          

• 

Operating Instruction 

 

3          

• 

Test mode (FW 2.xx)   

• 

Firmware Upgrade 

 

• 

MAC Address 

 

 

• 

Firmware Upgrade (FW 2.20) 

USB Test, Fault codes, 

Record/Play back test   

• 

Circuit Diagram PCB 1   

• 

Circuit Diagram PCB 2   

• 

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

 

 
 

 

Summary of Contents for LFH 9750/00

Page 1: ...ct to technical modifications Copyright Philips Austria GmbH Speech Processing All rights reserved 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 ...

Page 2: ...rtial 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 o...

Page 3: ...e 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 1 2 4 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 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 PLA...

Page 4: ...ll 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 J...

Page 5: ... 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...

Page 6: ...s 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 th...

Page 7: ...e 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 f...

Page 8: ...Circuit Digram PCB 1 8 ...

Page 9: ...Circuit Digram PCB 2 9 ...

Page 10: ...PCB 1 Side 1 10 ...

Page 11: ...PCB 1 Side 2 11 ...

Page 12: ...PCB 2 Side 1 12 PCB 2 Side 2 ...

Page 13: ...Exploded View 13 ...

Page 14: ...5103 100 41620 13 LOUD SPEAKER 25 OHM 4822 240 30126 14 SWITCH JOGDIAL ASSY 5103 109 27120 15 MOUNTING SPRING FOR LS 5322 492 71716 16 PCB 2 ASSY Printed Circuit Board 5103 109 17 POWER SUPPLY SOCKET 5322 267 31958 18 FOOTSWITCH HEADPHONE SOCKET 5322 267 31957 19 MICROPHONE SOCKET 5322 267 41229 21 CONF REC MICROPHONE SOCKET 8203 312 16570 22 USB SOCKET 8203 312 16560 23 COVER PLATE 5103 104 31490...

Page 15: ...EC DIODE PSR05 8203 312 17120 D 2 SMD DIODE BAT 54C L43 4822 130 82594 D 3 SMD TRANSISTOR BC 847C 1Gp 5322 130 42755 F 1 FUSE 500 mA SLOW 4822 071 55001 IC 1 SMD I C MC4558CD R2 5322 209 62793 IC 2 SMD I C LMC 6482 IM 8203 312 16580 IC 3 SMD I C MC1458D 5322 209 90555 IC 4 I C TCA 0372 DP1 4822 209 62059 IC 5 SMD I C HCF4066BM1 013TR 5322 209 90554 IC 6 SMD I C PCA9555D 9352 695 67118 LS LOUD SPEA...

Page 16: ...KET 5322 267 41229 SO 6 CONF REC MICROPHONE SOCKET 8203 312 16570 TS 1 SMD TRANSISTOR BC 847C 1Gp 5322 130 42755 TS 2 SMD TRANSISTOR BC 847C 1Gp 5322 130 42755 TS 3 SMD TRANSISTOR BC 847C 1Gp 5322 130 42755 TS 4 SMD TRANSISTOR BSH205 9340 547 21215 TS 5 SMD TRANSISTOR BC 847C 1Gp 5322 130 42755 TS 6 SMD TRANSISTOR BC 847C 1Gp 5322 130 42755 TS 7 SMD TRANSISTOR BC 847C 1Gp 5322 130 42755 TS 8 SMD T...

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