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PARTS LIST

N

Item

Code No.

Parts Name

Specification

Version

Q R

PCB ASS'Y

N

IC1

2105 6304 DETECTOR          

RH5VT54AA-T1      

Common

1 B

IC2

2105 5894 REGULATOR         

RH5RL33AA-T1      

Common

1 B

IC3

2011 3955 LSI               

uPD43256BGU-B12

Common

1 B

IC4

2011 3955 LSI               

uPD43256BGU-B12

DC-8500RS

1 B

IC5

2114 5747 IC                

ABD353X0000       

Common

1 B

D1

6510 4940 DIODE             

BC10MA71307       

Common

1 B

D2~5

2390 1442 CHIP DIODE       

MA152K-(TX)       

Common

4 B

L1

3013 2471 CHIP INDUCTORS    

ELT5K114C         

Common

1 B

X1

6510 4550 CRYSTAL           

BD0063P2509 (DT-26S)       

Common

1 B

N

1

3335 6537 LCD               

AC10CD44105       

Common

1 A

2

6419 2230 HOT MELT FILM     

FX200P50604       

Common

1 A

N

3

6419 8060 PCB ASS’Y          

DB39XX0300R*1     

DC-7800RS

1 B

N

3

6419 8070 PCB ASS’Y          

DB39AX0300L*1     

DC-8500RS

1 B

The PCB ASS'Y contains the above elements and COB LSI.

COMPONENT

4

6418 1080 EL PANEL Z723     

A341294-1         

Common

1 B

N

5

6419 8180 BATT COVER        

FADOL961051       

Common

2 C

6

6419 1820 PUSH BUTTON       

FB3DB371004       

Common

1 X

N

7

6419 8150 UPPER CABINET     

FAADB391001       

DC-7800RS

1 X

N

7

6419 8160 UPPER CABINET     

FAADB391010       

DC-8500RS

1 X

N

8

6419 8170 RUBBER SHEET      

LADB3910005       

Common

1 X

N

9

6419 8210 SPONGE            

FH100040601       

Common

1 C

N

10

6419 8220 HARD CASE         

FC1DB371042       

DC-7800RS

1 X

N

10

6419 8230 HARD CASE         

FC1DB371051       

DC-8500RS

1 X

N

11

6419 8240 OPERATION LABEL   

HGL00006103       

DC-7800RS

1 X

N

11

6419 8250 OPERATION LABEL   

HGL00006201       

DC-8500RS

1 X

N

12

3122 3513 BUZZER            

CK225P30024       

Common

1 X

13

6408 5830 RB SHEET          

LADB0140101       

Common

1 X

N

14

6419 8260 LOWER CABINET     

FABDB371058       

Common

1 X

15

6510 4500 BUZZER TAPE       

HGFC0000501       

Common

1 X

Parts prices will be informed separately by Parts Price List.

   Notes:     N –  New parts

R – A : Essential

Q –  Quantity used per unit

B : Stock recommended

R –  Rank

C : Others

X : No stock recommended

— 7 —

Summary of Contents for DC-7800RS

Page 1: ...DC 7800RS ZX 725 DC 8500RS ZX 726 JAN 1997 R without price ...

Page 2: ...CONTENTS SPECIFICATIONS 1 OPERATION CHECK 2 DATA TRANSFER 3 TROUBLESHOOTING 4 SCHEMATIC DIAGRAMS 5 PARTS LIST 7 EXPLODED VIEW 8 ...

Page 3: ...x 20 7 µA Typ 10 5 µA While Power OFF Max 16 7 µA While buzzing Max 767 µA When backlighting Max 16 500 µA Battery life Approx 1 year one hour operation per day with two backlight opera tions and one daily alarm operation Auto power off Approx 6 minutes after last key operation Ambient temperature range 0 C 40 C 32 F 104 F Dimensions 15 3 H 134 W 92 D mm Folded 5 8 H 5 1 4 W 3 5 8 D 10 9 H 134 W 1...

Page 4: ...own the RE SET button press G then release the RESET button Press for about 1 sec ond Press for about 1 sec ond Press for about 1 sec ond DC 8500RS Press for about 1 sec ond DC 7800RS Press RESET button DISPLAY NOTE The unit emits a buzz RESET button is located on the back of the unit If the unit is faulty LCD indicates NG instead of OK DC 7800RS DC 8500RS ...

Page 5: ... DC 7800RS 8500RS Note Before connecting wires be sure to reset the Back up unit 1 Remove the BATT 2 battery cover 2 Connect 4 terminals on the PCB with wires as shown in the figure below User s unit Back up unit RESET BATT 1 BATT 2 RESET BATT 1 BATT 2 Wiring GND GND SCLK_ SCLK_ SIN SIN SOUT SOUT ...

Page 6: ...ET button 0Press Note Never press as it deletes all the data BPress OFF TROUBLESHOOTING Before doing the following solutions save data if possible SYMPTOM SOLUTION CAUSE No power Weak battery Replace batteries Resolder Poor soldering of the power supply circuit No display at all or wrong display Defective heat seal Replace the heat seal Defective LCD Replace the LCD Display R Unit emits a buzz R U...

Page 7: ... 5 SCHEMATIC DIAGRAMS Main block ...

Page 8: ... 6 Key block ...

Page 9: ...I COMPONENT 4 6418 1080 EL PANEL Z723 A341294 1 Common 1 B N 5 6419 8180 BATT COVER FADOL961051 Common 2 C 6 6419 1820 PUSH BUTTON FB3DB371004 Common 1 X N 7 6419 8150 UPPER CABINET FAADB391001 DC 7800RS 1 X N 7 6419 8160 UPPER CABINET FAADB391010 DC 8500RS 1 X N 8 6419 8170 RUBBER SHEET LADB3910005 Common 1 X N 9 6419 8210 SPONGE FH100040601 Common 1 C N 10 6419 8220 HARD CASE FC1DB371042 DC 7800...

Page 10: ... 8 10 11 7 8 3 5 13 6 14 15 12 9 4 1 2 EXPLODED VIEW ...

Page 11: ...MA0300171A ...

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