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Casio LX-571AT, Руководство по обслуживанию и список запасных частей

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Casio LX-571AT Скачать руководство пользователя страница 18

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16

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<No/Erratic display>

Is input 2-Pin of S-81250 HG-RD
(IC3) 9[V]?

Is output 3-Pin of S-81250 HG-RD
(IC3) 5[V]?

Y

Y

N

N

Check Q1, Q2

Replace IC3

Are voltage of several capacitors enough?

V1:  1.5 [V]
V2:  3.0 [V]
V3:  5.5 [V]
V4:  7.0 [V]
V5:  8.5 [V]

N

N

Does TAB ASS’Y make positive
contact with L571-1 ASS’Y?

*CONTRAST:  MAX

Replace TAB ASS’Y
Resolder/Replace LSI1

Resolder

Y

Y

Resolder/Replace LSI, IC

N

<High current consumption>

*

Y

Check solder part of R4~R8 or
Replace C6, C7, C8, C9, C10

Check PCB

Is there any short circuit?

Y

N

Are the several capacitors OK?

Replace capacitors

Содержание LX-571AT

Страница 1: ...JAN 1993 R without price SF 4300A LX 571AT SF 4600 LX 571ET FT INDEX...

Страница 2: ...ICATIONS 3 3 TO REPLACE THE BATTERIES 4 4 DATA TRANSFER 5 5 BLOCK DIAGRAM 9 6 LSI IC Pin Function 10 7 To FIX TAB ASS Y 13 8 TROUBLE SHOOTING 14 9 HARD CHECK 17 10 DATA TRANSFER CHECK 22 11 PCB VIEW 2...

Страница 3: ...1 1 SCHEMATIC DIAGRAM 1 1 MAIN PCB...

Страница 4: ...2 1 2 KEY MATRIX...

Страница 5: ...ry capacity 32 KB SF 4300A 64 KB SF 4600 Main component LSI Power supply 3 lithium batteries CR2032 Power consumption 0 05W Battery life Approximately 200 hours continuous operation in Telephone Direc...

Страница 6: ...attery with a new one making sure that the positive side of the new battery is facing up so you can see it 4 Replace the battery holder and secure it by tightening its screw Be sure careful that you d...

Страница 7: ...erred to the slave machine 1 2 3 4 DATA TRANSFER SF 4300A SF 4600 can transfer customers data to other SF 4300A SF 4600 with memory protection only when replacing the LCD or the outer case How to tran...

Страница 8: ...covers from the connectors on the two SF Units 3 Connect the two SF Units using the optional SB 60 62 cable You can also connect them using an SB 60 62 cable Important Be sure to replace the connecto...

Страница 9: ...rameter 3 Press SET to store them in memory 5 Set up the slave machine 1 While an initial screen is displayed press FUNC twice to display the second function menu You can perform the above operation w...

Страница 10: ...dar To abort the send operation at any time press ESC If an error occurs during the send operation the message SEND ERROR appears on the display Press ESC to clear the error message 6 After the send o...

Страница 11: ...ltages switching circuit VCC S 81250 HG RD Contrast V1 V5 VDD Power Supply Battery CR 2032 X 3 XC61AN 6302PR GND ON OFF KAC K1 K14 Tx Rx P0 P1 SW ISW Data Bus Address Bus VDD1 VDD2 LCD SF 4300A LD B82...

Страница 12: ...ck input 11 TSB Test Terminal 12 X0 O Clock output 13 VDD2 O Internal power supply terminal Power OFF 0V ON 5V 14 VDD1 I Power supply terminal 5V 15 FI I Internal clock terminal 16 FO O Internal clock...

Страница 13: ...AM PD43256G 101215LL LSI 2 A0 A14 Address input signal IO0 IO7 Data signal Input Output WE Write enable signal CS Chip select signal OE Output enable signal PD3056G 007 WE PD3056G 007 CS3 6 4 LCD driv...

Страница 14: ...1250HG RD IC3 IC4 Output Voltage Vout 5V 5 4 75V MIN 5 25V MAX 6 6 VOLTAGE DETECTOR RH5VA60AA T1 IC5 Detection Voltage VDET 6V 2 5 5 85V MIN 6 15V MAX Input voltage Output voltage 6V 5V 6V 0V 2 Vin 1...

Страница 15: ...cessary to paint Neji lock after soldering the cable to the place of soldering part for the against of a shock 1 Parts code of Neji lock Code No Name Specification Unit Price FOB JAPAN 0001 9829 Neji...

Страница 16: ...k pulses Adjust contrast Replace batteries Check other function Refer to No Erratic display Adjust contact and clean bat tery spring Replace X1 Replace C11 C19 C12 C13 Is 2 pin of TC7SO2F IC 1 5 V Adj...

Страница 17: ...07 LSI 1 0 V N Replace TC4S69F IC2 Y Replace IC4 N Y Y N Y Does key make positive contact with L571 1 Ass y Y Replace C12 C13 N Clean Adjust contact No key input Is 3 Pin of S 81250HG RD IC4 5 V Refer...

Страница 18: ...ough V1 1 5 V V2 3 0 V V3 5 5 V V4 7 0 V V5 8 5 V N N Does TAB ASS Y make positive contact with L571 1 ASS Y CONTRAST MAX Replace TAB ASS Y Resolder Replace LSI1 Resolder Y Y Resolder Replace LSI IC N...

Страница 19: ...Turn the slide battery switch on while short the short pad T16 T37 2 Check if timer is working 1 Turn the slide battery switch off 2 Push the P button 1 No OPERATION DISPLAY NOTE No display DISP 4 RVS...

Страница 20: ...PLAY NOTE 8 4 9 5 10 6 11 7 12 ON 13 3 14 2 Reverse checker display FRAME Dots appear at corners 00 00 00 Check if timer is working KEY 1 RANDOM 2 AUTO Key check TEST 2 MEMORY MENU 3 KEY 4 BUZZER 1 DI...

Страница 21: ...00 01 02 03 04 TEST 2 MEMORY MENU 3 KEY 4 BUZZER 1 DISP 5 EXT BUZZER 1 BEEP 2 ALARM1 3 ALARM2 EXECUTING BUZZER 1 BEEP 2 ALARM1 3 ALARM2 Check the alarm 1 sound Buzzer check TEST 2 MEMORY MENU 3 KEY 4...

Страница 22: ...2 Measure the voltage be tween T16 GND and T17 VDD 3 Check the voltage is higher than 2 V 4 Set the main batteries Check if timer is working Backup voltage check 00 00 00 TEST 2 MEMORY MENU 3 KEY 4 BU...

Страница 23: ...21 No OPERATION DISPLAY NOTE 29 Check sound COMPLETE 32KB In case of SF 4300A COMPLETE 64KB In case of SF 4600...

Страница 24: ...22 1 SAMPLE 1 SAMPLE 2 No 1 9 2 SAMPLE 2 SAMPLE 1 No 10 16 SAMPLE 2 SAMPLE 1 SB 60 62 cable 10 DATA TRANSFER CHECK Connect the SAMPLE 1 to SAMPLE 2 using the SB 60 62 cable...

Страница 25: ...T 2 MEMORY MENU 3 KEY 4 BUZZER 1 DISP 5 EXT TEST 2 MEMORY MENU 3 KEY 4 BUZZER 1 DISP 5 EXT Check if timer is working No display Check the received data Transfer error HHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHH...

Страница 26: ...S BREAK TRNS BREAK TRNS BREAK TRNS BREAK I F 1 TRANS 2 RECEIV 3 LOOP 7N4 4 ASCII I F 1 TRANS 2 RECEIV 3 LOOP 7N4 4 ASCII I F 1 TRANS 2 RECEIV 3 LOOP 7N4 4 ASCII TRNS BREAK No display EXECUTING HHHHHHH...

Страница 27: ...MPLE 1 SAMPLE 2 No TRNS BREAK I F 1 TRANS 2 RECEIV 3 LOOP 7N4 4 ASCII No display I F 1 TRANS 2 RECEIV 3 LOOP 7N4 4 ASCII I F 1 TRANS 2 RECEIV 3 LOOP 7N4 4 ASCII No display 1992 1 1WED AM 12 00 00 1992...

Страница 28: ...26 11 PCB VIEW TEST PADS T16 T37...

Страница 29: ...27 12 ASSEMBLY VIEW...

Страница 30: ...29 13 PARTS LIST SF 4300A SF 4600...

Страница 31: ...30...

Страница 32: ...8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 Japan Telephone 03 3347 4926...

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