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6.CIRCUIT EXPLANATION

6-1. Power supply circuit

The power supply circuit provides the following voltage for the main circuit.

Output Pin No1-----

VC1 (DC32.3V):

To the VC line for the Display power. (Not used for CE-T300)

Output Pin No.2----

VC2 (DC24V):

To the Vp line for the printer power.

Output Pin No.3----

VLED (DC5.85V):

To the Vcc,Vcc2 and Vdd for the logic circuit power.

Output Pin No.4----

GND:

Signal GND.

The power switch SW1 is located at the right side of the lowercase.
After connected the power plug into AC outlet and turn on the SW1, the transformer T1 will
genarate the about AC33V to secondary side. Then, after rectifier circut, the VC1 (DC32.3V)
is supplied to the VC line for display power (for the drive of display tube. Not for LED model.)
The IC2 is the shunt regulator for the control of Q1 transistor. This circuit is genarate the
VC2 (DC24V) for the printer power. The IC1 is regulator for 5V power supply.

Power supply PCB E445-S1

Voltage selector
NOTE: Do not turn the
selector to avoid the voltage
selection mistake.

Power SW1 cover

Power switch SW1

Note: F3 is not used for
CE-T300.

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Содержание CE-T300

Страница 1: ...SERVICE MANUAL ELECTRONIC CASH REGISTER without price Printer Model LTP4242B C432 CE T300 EX 479A APR 2000 INDEX...

Страница 2: ...it 14 6 8 RS232C port COM1 circuit 15 6 9 Keyboard selection switch Not mounted for CE T300 15 6 10 Flash ROM pack circuit Memory Cassette RAC 9 15 6 11 To mount optional circuit 16 1 Clerk key circui...

Страница 3: ...rmal paper Size Width 58 0 mm 1mm Roll diam 83 mm or less Thickness 75 3 m 1 SPECIFICATIONS CE T300 1 1 Electrical specifications 120V 220V 230V 240V Power consumption In operation Max 0 7 A 0 4A 0 4A...

Страница 4: ...3617 L type D 11BH B65 9 Saudi Arabia CAUTION Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batte...

Страница 5: ...nt D10 to D7 number 4 digits Messages and descriptions are written in Significant D6 English 0 French 1 Spanish 2 German 4 number Model for Significant D5 USA or Canada 2 German 4 number Other area 0...

Страница 6: ...4 4 BLOCK DIAGRAM 4 1 PCB CONNECTION CE T300 TYPE...

Страница 7: ...T L95 2 M bytes Data buffer I O selector Printer driver circuit Thermal Printer LTP4242B C432 Receipt side LED driver and Key control LED display LED customer display Keyboard COM1 Driver MAIN PCB E47...

Страница 8: ...e upper case 3 Push the 3 dots marking point at the right side of lower case At the same time slide the upper case to the front side 4 Open upper cese from the left side Remove the 2 screws Open the p...

Страница 9: ...Buzzer Printer cables Display cable Power supply connector Reset Switch Point A Release the 2 locking supporters 7 Power supply unit cover is removed by 3 screws And the 2 Fuses are located as shown i...

Страница 10: ...ide of the lowercase After connected the power plug into AC outlet and turn on the SW1 the transformer T1 will genarate the about AC33V to secondary side Then after rectifier circut the VC1 DC32 3V is...

Страница 11: ...reset to cleare the system error Use this switch only when the FMAC or MAC are not possible to perform Reset switch The position of Reset switch Top of view View of inside the printer cover Reset swit...

Страница 12: ...input In 22 P06 IRQ ARCNET Interrupt rquest from ARCNET controller In 23 AVDD VDD Power supply VDD 5V 24 AVREF0 AVREF0 Basic Volatge signal for Thermal printer sensor In 25 P10 AVREF Vp voltage check...

Страница 13: ...ess bus A18 Out 76 P63 A19 Address bus A19 Out 77 P64 RD Read signal Out 78 P65 WR Write signal Out 79 P66 WAIT Wait signal In 80 P67 ASTB Address strobe signal Out 81 VDD VDD Power supply VDD 5V 82 P...

Страница 14: ...Flash 1 CE will active by the IC25 output pin No 3 This is inverted signal of A19 A19 A18 A17 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 H L L L X X X X X X X X X X X X X X X X 8 X X X...

Страница 15: ...X H X H X X X H X X 7 H L H H L X X X H X H H X L H L H H X X X H X H X H X X X H X X 8 L H H H L X X X H X H H X L L H H H X X X H X H X H X X X H X X 9 H H H H L X X X H X H H X L H H H H X X X H X...

Страница 16: ...1 M bytes Flash2 Flash2 Flash memory pack 2 M bytes Accelerator Expansion Memory area Flash pack 512K bytes 512 K bytes Board I F Expansion Mapped area memory Bank0 Bank1 Bank0 Bank1 Bank2 Bank3 Bank...

Страница 17: ...unted for CE T300 The main PCB has the keyboard selection switch to detect the keyboard type For the model CE T300 the switch is not mounted It is fixed as a stroke key type Keyboard selection switch...

Страница 18: ...he FG wire by the fixing pin and the screw 1 4 Insert the clerk switch unit to the clerk key case Clerk cable sub ass y Clerk key unit Pin No Wire color Printed mark on PCB 1 Red C 2 White 1 3 Blue 2...

Страница 19: ...to the lower case 1 6 Remove the clerk button unit form the uper case Then replace the model key plate Remove the mode key plate Then fix new mode key plate Upper case Fix the FG wire from cleark key...

Страница 20: ...ecessary extension cable for drawer In this case do no forget to fix the FG wire of the extension cable to the frame ground by the screw Release the 2 screws and open the back cover of lower case Conn...

Страница 21: ...main PCB 3 3 Fix the paper near end sensor to the lower case by 2 screws and connect the sensor connector to the main PCB Code No Parts Name Specification Q ty 19076948 Paper end sensor C33 651000 1 1...

Страница 22: ...on of each test 1 Key code test When pressing a key the machine displays the following key code HARD KEY CODE TABLE Hard key code DISPLAY Note 014 button is work for 2 key 013 button is work for 1 key...

Страница 23: ...r Off Normal Paper end switch OFF On Near end Paper and switch ON Menu switch conditon Only for TK6000 TK7000 and TK T500 0 Switchs are both off condition 1 Menu 1 2 Menu 2 Allways off Journal head se...

Страница 24: ...1234567890 display Operation X 1 2 Key Function X 0 Automatic RAM capacity detection 1 RAM1 128K test only 3 RAM3 512K test only NOTE RAM2 and RAM4 are not used for CE T300 PRINT DISPLAY NOTE In case...

Страница 25: ...print 1 Continuously print n1 0 Display test pattern 1 All segment will light on PRINT DISPLAY Segment display Test pattern 3 Print test R J printer This test will check the R J printer To stop the co...

Страница 26: ...wer open check This test will check the drawer open function Operation d3 d2 d1 8 n 0 2 Key n 0 Open drawer without print 2 Open drawer with print 10lines B printing NOTE1 d3 d2 d1 are option drawer t...

Страница 27: ...after test 6 Blank check check 0FFH NOTE1 During this test the LED of receipt switch will blink In the repeat test the machine will display the repeat count number on the segment display When the err...

Страница 28: ...lash pack 2 Select Flash1 DISPLAY Segment display Flash ROM signature code 89A7 LH28F004SCT 89A6 LH28F008SCT 89AA LH28F016SCT MASTER LOCK BIT Allways 00 EACH BLOCK LOCK BIT 00 Non protection 01 Protec...

Страница 29: ...set the mode switch to OFF NOTE During the RAM test the Receipt switch LED is blinking PRINT DISPLAY 11 RAM read write check This test will check the read write check for RAM Operation n 4 X 0 2 Key...

Страница 30: ...heck continuously Ignore the CD CI signals Only COM1 port X 0 COM1 Test details 1 Check of the control shignals CTS DSR RTS DTR CD CI Low High level 2 Sending data 0A5h from Txd line and receiving dat...

Страница 31: ...ith code 16 charactors line 4 Print and display without code 31 charactors line For TK T500 6 Print and display with code 16charactors line For TK T500 s 0 Receipt Journal print mutually 1 Receipt pri...

Страница 32: ...DISPLAY Press 2 key to change the display 16 Date time set test The machine will set the time or the date Opeartion n1 n2 n3 n4 n5 n6 X 9 2 Key X 0 Time set n1 n2 Time n3 n4 Minute n5 n6 Second 1 Dat...

Страница 33: ...9 200 bps 1 9 600 bps 2 4 800bps 3 2 400bps 4 38 400 bps m Test Mode selection 0 Self loop test 1 Reception mode 2 Send mode ZZ Time out number seconds input between data default is 3 seconds Input ZZ...

Страница 34: ...it time is 5 seconds The total resend request time is 5 time 3 During communication waiting time the display will show the brinking on the most left side digit of segment display When the data is OK t...

Страница 35: ...n o i t a z i l a n i F l a t o t b u s p m a t s d o o f e h t T S S F s s e r P 3 3 0 E r e d n e t t n u o m a g n i r e t n e t u o h t i w d e t p m e t t a n o i t a r e p o e z i l a n i F d e...

Страница 36: ...34 9 IC DATA 1 BA10393F E2 2 BA12003BF E2 3 HA17431PA 4 HD74LVC244ATELL Don t care High impedance...

Страница 37: ...35 6 HD74LVC374ATELL 5 HD74LVC245ATELL Don t care High impedance 7 HIN211CA T...

Страница 38: ...r motor driver OUT1A OUT2A SENSE2 COMP INPUT2 OUT2B GND GND I02 I12 PHASE2 VREF2 RC2 1 2 3 4 5 6 7 8 9 10 11 12 Vs LOAD SUPPLY SENSE1 COMP INPUT1 OUT1B I01 GND GND I11 PHASE1 VREF1 RC1 Vss LOGIC SUPPL...

Страница 39: ...37 10 LC7932M TE R 11 LH28F016SCT L95A...

Страница 40: ...clock output Latch output Output enable output Com mand INPUT Control input Data input OUTPUT NOTE Reset IC Memory data is not changed Clock 1 2 clock 1 4 clock 1 8 clock 1 16 clock Clock Divider will...

Страница 41: ...n active low output 2 CMOS active low output S 808XX AX XX XXX T2 Tape spec IC direction Production short No Package No NP SC 82AB MP SOT 23 5 UP SOT 89 3 Y TO 92 Output N Nch open drain Active L L CM...

Страница 42: ...40 18 SN74LV08APWR 19 SN74LV10APWR 20 SN74LV138APWR...

Страница 43: ...41 21 SN74LV139APWR 22 SN74HC157APWR 23 SN74HC164APWR...

Страница 44: ...42 24 SN74LV165APWR 25 SN74LV174PWR...

Страница 45: ...43 28 SN74LV32APWR 26 SN74LV244APWR 27 SN74LV27APWR...

Страница 46: ...4 29 SN74LV74APWR 30 TA8429H Control circuit Heat protection circuit Over current protection INPUT OUTPUT OUTPUT MODE Brake Reverse rotation Positive rotation Stop Stand by High impedance High impedan...

Страница 47: ...45 10 PCB LAYOUT MAIN PCB E479 1 B Front side...

Страница 48: ...46 MAIN PCB Back side...

Страница 49: ...CUIT 3 6 51 2 4 MAIN PCB CIRCUIT 4 6 52 2 5 MAIN PCB CIRCUIT 5 6 53 2 6 MAIN PCB CIRCUIT 6 6 54 3 LED DISPLAY MAIN DISPLAY 55 3 1 MAIN PCB CIRCUIT 1 3 55 3 2 MAIN PCB CIRCUIT 2 3 56 3 3 MAIN PCB CIRCU...

Страница 50: ...48...

Страница 51: ...49 NOTE1 The power line is VDD NOTE1...

Страница 52: ...50 R J SEL...

Страница 53: ...51 RAM2 is not used RAM4 is not used RAM3 is option FLASH2 TO FLASH2 FLASH2 is not used for CE T300...

Страница 54: ...52 LED display is used for CE T300 For TK T500 For CE T300...

Страница 55: ...53...

Страница 56: ...54 DRW3 and DRW4 are not used for CE T300 DRW2 is option for CE T300...

Страница 57: ...55...

Страница 58: ...56...

Страница 59: ...57...

Страница 60: ...58...

Страница 61: ...59...

Страница 62: ...60...

Страница 63: ...61...

Страница 64: ...62...

Страница 65: ...63...

Страница 66: ...64...

Страница 67: ...by the only complete unit 6 Remarks Q ty Quantity used per unit RANK A Essential B Stock recommended C Less recommended X No stock recommended 12 PARTS LIST PARTS LIST MODEL CE T300 EX 479A CONTENTS E...

Страница 68: ...66 CE T300 EXPLODED VIEW CASIO CE T300 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 41 42 43 45 77 78 93 94 97 99 10 12 16 14 17 19 17...

Страница 69: ...7 A B CE T300 EXPLODED VIEW A B 1 36 37 38 39 40 44 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 60 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 79 80 81 82 83 84 85 86 87 88 89 90 91 92 95 96 9...

Страница 70: ...B BZ1 32402089 BUZZER PKM22EPT 2001 1 1 1 AE C C13 15 28077818 CAPACITOR ELECTROLYTIC RV 35V101MG10 R 3 3 3 AB C C17 19 21 28073626 CAPACITOR ELECTROLYTIC RV3 10V221MF80 R 3 3 3 AB C C2 7 28077120 CAP...

Страница 71: ...SISTOR MODULE RAC1608 1024DJT 7 7 7 AA C RA18 20 21 27975518 RESISTOR MODULE RAC1608 1014DJT 3 3 3 AA C RA1 9 26523056 RESISTOR NETWORK MNR34J5ABJ121 9 9 9 AA C C1 7 28073629 CAPACITOR CHIP TMK107F104...

Страница 72: ...2481454 PLATE L E240527 9 1 1 1 X DEP7 62481443 PLATE L E240527 10 1 1 1 X DEP8 62481444 PLATE L E240527 11 1 1 1 X DEP9 62481445 PLATE L E240527 12 1 1 1 X DEP10 62481446 PLATE L E240527 13 1 1 1 X P...

Страница 73: ...ZMC 3 2 2 2 X SCREW 3X8 ZMC 3 1 1 1 X 9 Lower case block 46 10010822 CASE LOWER E140254B 1 1 1 1 BV C 47 62213892 ROLLER RP E411377 1 2 2 2 AB B 48 62481458 COVER POW SWITCH E340757 1 1 1 1 AE C 49 10...

Страница 74: ...CONNECTOR E140255 1 1 1 1 AK C 81 62481561 COVER L CONNECTOR E340773 1 1 1 1 AC C 62481471 PLATE NAME E440654 1 1 1 1 AD C 82 62481536 BATTERY SUB ASSY E440746 1 1 1 1 BC C 83 30006692 BATTERY LITHIU...

Страница 75: ...73 12 DRAWER DL 2766 M type Europe Saudi Arabia Other countries...

Страница 76: ...61 4 AN X N 21 94870396 SCREW CCST M4X12 4 AA X N 22 19064018 EARTH LEAF SPRING 33V 1103 1 AN X N 23 19064008 SCREW CCST M3X6 2 AA X N 24 19081358 SCREW CPST M3X6 5 AA X N 25 94870391 DRAWER 264C 2100...

Страница 77: ...75 DL 2767 M type UK Germany...

Страница 78: ...PPER 262A 1651 2 AN X N 23 19059570 FOOT RUBBER NR33 1461 4 AD X N 24 94870396 SCREW CCST M4X12 4 AA X N 25 19064018 EARTH LEAF SPRING 33V 1103 1 AN X N 26 19064008 SCREW CCST M3X6 2 AA X N 27 1908135...

Страница 79: ...77 DL 3617 L type Saudi Arabia...

Страница 80: ...1 BH X 23 19060684 SCREW TAPPING M3 5X8 2 AA X 24 19027027 KEY CYLINDER ZD00226 1 BB C 25 19077928 CLIP ZD00226 2 1 AJ X 26 19060685 CASE BILL ZD04851 1 BO C 27 19077926 CASE COIN ZD04843PS 1 BN C 28...

Страница 81: ...CASIO TECHNO CO LTD Overseas Service Division Nishi Shinjuku Kimuraya Bldg 1F 5 25 Nishi Shinjuku 7 Chome Shinjuku ku Tokyo 160 0023 Japan...

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