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Sam4s ER-280 SERIES Service Manual

Manual is about: ELECTRONIC CASH REGISTER

Summary of ER-280 SERIES

  • Page 1

    Electronic cash register c o n t e n t s er-280 series electronic cash register manual 1. Precaution statements 2. Product specifications 3. Installation and operation 4. Disassembly and assembly 5. Troubleshooting 6. Exploded views and parts list 7. Pcb layout and parts list 8. Block diagram 9. Wir...

  • Page 2

    About this manual this service manual describes how to perform hardware service maintenance for the sam4s er-280 series electronic cash register. Notes notes may appear anywhere in the manual. They describe additional information about the item. Precaution symbols . Indicates a safety precaution tha...

  • Page 3

    Copyright 200 ⓒ 7 by shin heung precision. All right reserved. This manual may not, in whole or in part, be copied, photocopied, reproduced, translated or converted to any electronic or machine readable from without prior written permission of shin heung precision . Sam4s er-280 series service manua...

  • Page 4: Overview of This Ecr

    Overview of this ecr this ecr is a microprocessor-based system, using a 16 bits microprocessor. This service manual provides the technical information for many individual component systems, circuits and gives an analysis of the operations performed by the circuits. If you need more technical informa...

  • Page 5: 1 Precaution Statements

    Sam4s er-280 series 1-1 1 precaution statements follow these safety, servicing and esd precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1 safety precautions 1. Be sure that all built-in protective devices are replaced. Restore any missing protective ...

  • Page 6

    1 precaution statements 1-2 sam4s er-280 series 1-2 servicing precautions warning: first read the-safety precautions-section of this manual. If some unforeseen circumstance creates a conflict between the servicing and safety precautions, always follow the safety precautions. Warning: an electrolytic...

  • Page 7: 2 Product Specifications

    Sam4s er-280 series 2-1 2 product specifications specifications are correct at the time of printing. Product specifications are subject to change without notice. See below for product specifications. 2-1 specifications item description remark processor • mitsubish m16c/80 group m30800sfp (16 bit) me...

  • Page 8

    2. Product specifications 2-2 sam4s er-280 series 2-2 dimensions 2-2-1 appearance dimensions (mm) figure2-1 dimensions 2-2-2 location feature figure2-2 location feature ① printer cover ② key board (raised or flat type) ③ drawer ④ customer 10-digits vfd display ⑤ operator display (10-digits vfd) or 1...

  • Page 9

    2. Product specifications sam4s er-280 series 2-3 2-3 printer specification 2-3-1 printer specification item description remark model • ltp8235(sii) print method • thermal dot line printing total number of dots • 288 dots printing format dot pitch • vertical : 0.169 mm • horizontal : 0.169 mm printi...

  • Page 10

    2. Product specifications 2-4 sam4s er-280 series 2-4 power specification item description remark input voltage & current • u.S.A : ac 120v, 60hz (min : 102v, max : 138v) • europe : ac 220v/240v, 50hz (min : 195.5v, max : 264.5v) max & min : ±15% power consumption • regularity : approx. 20w output v...

  • Page 11

    2. Product specifications sam4s er-280 series 2-5 2-5 interface specification 2-5-1-3 signal description (rj-11 connector) pin no. Signal name signal direction function 1 vcc output vcc(+5v/150ma) is supplied at 9pin of d-sub connector. 2 dsr input this signal indicates whether the host computer or ...

  • Page 12

    2. Product specifications 2-6 sam4s er-280 series 2-5 interface specification 2-5-1-5 cable connection (dsub 9 pin female type) 7 8 4 5 1 2 ) r s d ( 6 ) c . N ( 7 ) d x t ( 3 ) r t d ( 4 ) g . F ( ) c . N ( 1 e l a m e f 6 3 ) d x r ( 2 ) g . S ( 5 ) c . N ( 8 c p n i p 9 e d i s tr o h s ) n i p 8...

  • Page 13

    2. Product specifications sam4s er-280 series 2-7 2-5 interface specification 2-5-1-6 cable connection (rj-11 connecor type) 5(rts) 6(cts) 3(txd) 7(s.Gnd) 2(dsr) 7(rts) 8(cts) 5(s.Gnd) 3(txd) 4(dtr) 8(dtr) 4(rxd) 6(dsr) 2(rxd) figure2-5 rs232c cable connection (rj-11 to 9pin) 5(rts) 7(s.Gnd) 8(dtr) ...

  • Page 14

    2. Product specifications 2-8 sam4s er-280 series 2-5 interface specification 2-5-2 usb interface 2-5-2-1 specification item description remark transfer type • bulk data signal • bi-direction, half-duplex • differential signal pair (d+ / d-) data format • nrzi format • zero bit stuffing after 6 ones...

  • Page 15: 3 Installation and Operation

    Sam4s er-280 series 3-1 3 installation and operation 3-1 system configuration 3-1-1 configuration figure 3-1. System configuration.

  • Page 16

    3. Installation and operation 3-2 sam4s er-280 series 3-2 installation 3-2-1 paper roll installation 1. Remove the printer cover.(fig 3-2 (a)) 2. For proper feeding through the print head, cut or tear a straight even edge on the end of the paper roll. (be sure to remove any paper with glue residue.)...

  • Page 17

    3. Installation and operation sam4s er-280 series 3-3 3-2 installation 3-2-2 take-up spool installation if you wish to use the printer to print a sales journal, insert the paper into the paper take ※ -up spool. Wind the paper two or three turns around the spool shaft and install the spool in the mou...

  • Page 18

    3. Installation and operation 3-4 sam4s er-280 series 3-2 installation 3-2-3 rs-232c serial cable installation 1. Open the i/f door. 2. Connect the rs-232c serial cable to the rs-232c serial port on the rear side of ecr. 3. Secure the serial cable with screws. 4. Connector the other end of the rs-23...

  • Page 19

    3. Installation and operation sam4s er-280 series 3-5 3-3 operation note: before using this electronic cash register (ecr) for the first time, leave it powered on in the reg mode for a at least 24 hours. This allows the ms-lithium battery, which maintains the ecr’s memory while the power is off, to ...

  • Page 20

    3. Installation and operation 3-6 sam4s er-280 series 3-3 operation 3-3-2 key board matrix 1) 1-station model figure 3-6. 1-station model key board 2) 2-station model figure 3-7. 2-station model key board.

  • Page 21

    3. Installation and operation sam4s er-280 series 3-7 3-3 operation 3-3-3 initial clear 1. Unplug the register. 2. Turn the control lock to the “p” position. 3. Press and hold the key position where the “cash” key is located on the default keyboard layout. 4. While continuing to hold the “cash” key,...

  • Page 22

    3. Installation and operation 3-8 sam4s er-280 series 3-3 operation 3-3-4 all clear this step insures that the cash register is cleared of any totals or programming. After this procedure, the cash register is ready for programming and operation. Warning: this is a one time procedure. Do not repeat t...

  • Page 23

    3. Installation and operation sam4s er-280 series 3-9 3-3 operation 3-3-6 self test 3-3-6-(a) test printer 1. Turn the mode switch to service mode position. 2. Press ‘1’, ‘0’ and ‘sub total’ key on key board. 3. Then the printer prints the test pattern. 4. After printing, the drawer is opened. Then ...

  • Page 24

    3. Installation and operation 3-10 sam4s er-280 series memo.

  • Page 25: 4 Disassembly And Assembly

    Sam4s er-280 series 4-1 4 disassembly and assembly caution : · before installation, be sure to turn off the power switch. · use gloves to protect your hand from being cut by the angle and the chassis. · connect all the cables correctly. When connecting or disconnecting the cables, be careful not to ...

  • Page 26

    4. Disassembly and assembly 4-2 sam4s er-280 series 4-1 disassembling the case upper block 4-1-5 ass’y receipt(front) printer 1. Remove the two screws(b20) and separate the pba-joint(b19) from the holder-printer (b16). (page6-3) 2. Separate the three harnesses( , , ⓐ ⓑ ⓒ) from the pba-joint(b19). (p...

  • Page 27

    4. Disassembly and assembly sam4s er-280 series 4-3 4-2 disassembling the case lower block 4-2-1 ass’y main pba, fiscal pba and i/f pba 1. Separate the ten harnesses( , , ⓦ ⓑ , ⓑ , ⓑ ⓖ, , , , ⓤ ⓤ ⓤ ⓕor , ⓗ ⓗorⓨ) and separate the screw(e7) and remove the two screws(e16). 2. Lift up the pba-main pba(e...

  • Page 28

    4. Disassembly and assembly 4-4 sam4s er-280 series 4-3 advice as disassembling 4-3-1 disassembly of the door interface -. Rotate it as of the fig ① -1 and pull out in the direction of to separate from ass’y case upper. ② 4-3-2 disassembly of the window rear be sure to separate the ass’y case upper ...

  • Page 29

    4. Disassembly and assembly sam4s er-280 series 4-5 4-3 advice as disassembling 4-3-3 disassembly of the rear vfd pcb be sure to separate the ass’y case upper from the ass’y case lower. ① pull out ② in the direction of the fig-3 to separate the rear vfd pcb from the ass’y case upper. Fig-3.

  • Page 30

    4. Disassembly and assembly 4-6 sam4s er-280 series memo.

  • Page 31: 5 Troubleshooting

    Sam4s er-280 series 5-1 5 troubleshooting 5-1 power program power problem power out ok? On trans y n 1. Check the power cable 2. Check the power transformer. Power vdisp (+30v) ok? Y 1. Check the bridge diode(bd2) on main pba 2. Check the vdisp signal whether it is short. 3. Check the z-diode(zd3), ...

  • Page 32

    5. Troubleshooting 5-2 sam4s er-280 series 5-2 system problem end system problem reset signal ok? Y n 1. Check the ic ame8500(u23) 2. Check the 74hc14(u10). 3. Check the rst pattern on pcb. Program run ok? 1. Check the ncs, nrd signal of eprom noe pin 2. Check the addr/data line pattern whether it i...

  • Page 33

    5. Troubleshooting sam4s er-280 series 5-3 5-3 vfd & lcd display problem end vfd problem control signal ok? Y n 1. Check the clk signal (cpu p9.0) 2. Check the data signal (cpu p9.2) 3. Check the latch signal (cpu p9.1) 4. Check the harness. Disconnect ok? Power vdisp, vcc ok? Y 1. Refer to the powe...

  • Page 34

    5. Troubleshooting 5-4 sam4s er-280 series end printer problem y n power vcc vprt ok? Y 1. Refer to the power problem. 2. Check the harness. N thermister ok? 1. Check the thermistor signal(p10.0, p10.1). 2. Check the printer ffc harness. 3. Check the thermistor resistance of printer. Y pend sensor o...

  • Page 35

    5. Troubleshooting sam4s er-280 series 5-5 end key board problem key input failure ? Y n 1. Check the key scan part 74hc138(u19) 2. Check the key return part 74hct541(u21) 3. Check the related circuit and pattern 4. Check & change key board assy 5. Check the kbd connector on pba specific key failure...

  • Page 36

    5. Troubleshooting 5-6 sam4s er-280 series drawer problem drawer open failure ? Y n 1. Check the drawer connector & harness. 2. Check the related circuit & component tr sl1002(q23) 3. Check the harness and solenoid in the drawer. Compulsory failure? 1. Check the compulsory harness & connector. 2. Ch...

  • Page 37

    5. Troubleshooting sam4s er-280 series 5-7 5-7 rs-232c & usb serial i/f problem end rs-232c problem loop back failure? Y n 1. Perform the “self test” in the s-mode using the loop back test connector. 2. Check the connection of the rs-232c connector and loop back connector. 3. Check the txd,rxd, dtr,...

  • Page 38

    5. Troubleshooting 5-8 sam4s er-280 series 5-8 mcr & sd card problem end mcr problem mcr read ok? N y 1. Perform the mcr test at h/w test mode. 2. Check the harness between mcr and main b’d, if it is connected or not. 3. Check the related circuit and pattern on main b’d. End sd problem sd read ok? N...

  • Page 39

    Sam4s er-280 series 6-1 6 exploded views and parts list 6-1 main set [ exploded view ] figure6-1 total disassembly.

  • Page 40

    6. Exploded views and parts list 6-2 sam4s er-280 series 6-1 main set a. Ass’y cover-printer figure 6-2. Ass’y cover-printer 6.1. A. Ass’y cover-printer no. Code no. Description/ specification q`ty design-location serviceable remark a jk97-20056c mea cover-printer:er-280 1 y ivory a1 jk72-20225c pmo...

  • Page 41

    6. Exploded views and parts list sam4s er-280 series 6-3 6-1 main set b. Ass’y case-upper figure 6-3. Ass’y case-upper.

  • Page 42

    6. Exploded views and parts list 6-4 sam4s er-280 series 6-1 main set b. Ass’y case-upper no. Code no. Description/ specification q`ty design-location serviceable remark jk72-20234a pmo-cover 1station 1 y ivory b1 jk72-20234b pmo-cover 1station 1 y black b2 jk72-20233b pmo-cap printer_n 2 y b3 jk70-...

  • Page 43

    6. Exploded views and parts list sam4s er-280 series 6-5 6-1 main set c. Ass’y key board(raised, 49key) figure 6-4. Ass’y key board(raised).

  • Page 44

    6. Exploded views and parts list 6-6 sam4s er-280 series 6-1 main set c. Ass’y key board(raised, 49key) no. Code no. Description/ specification q`ty design-location serviceable remark c jk59-30028a unit-keyboard 1 y c1 jk73-20218a water-proof 1 y jk81-20065a as-key number set:black 1 y c2 jk81-20065...

  • Page 45

    6. Exploded views and parts list sam4s er-280 series 6-7 6-1 main set d. Ass’y key board(flat, 49key) figure 6-5. Ass’y key board(flat) d. Ass’y key board(flat, 49key) no. Code no. Description/ specification q`ty design-location serviceable remark d jk59-30029a unit-keyboard 1 y d1 jk73-20219a water...

  • Page 46

    6. Exploded views and parts list 6-8 sam4s er-280 series 6-1 main set e. Ass’y case-lower figure 6-6. Ass’y case-lower.

  • Page 47

    6. Exploded views and parts list sam4s er-280 series 6-9 6-1 main set e. Ass’y case-lower no. Code no. Description/ specification q`ty design-location serviceable remark e1 6002-000174 screw-tapping:pwh,m3,l10 2 y e2 6002-000174 screw-tapping:pwh,m3,l10 3 y e3 jk72-20228a pmo-holder msr 1 y jk72-202...

  • Page 48

    6. Exploded views and parts list 6-10 sam4s er-280 series 6-2 drawer f. Ass’y drawer figure 6-7. Ass’y drawer.

  • Page 49

    6. Exploded views and parts list sam4s er-280 series 6-11 6-2 drawer f. Ass’y drawer figure 6-8. Lubrication points of the drawer.

  • Page 50

    6. Exploded views and parts list 6-12 sam4s er-280 series 6-2 drawer f. Ass’y drawer no. Code no. Description / specification q`ty design-location serviceable remark jk75-20039b mec-drawer:f84ypb-24 1 y jk75-20040d mec-drawer:f55ysb-24 1 y f jk75-20055b mec-drawer:f84nsb-24 1 y a. Ass’y bill-coin no...

  • Page 51

    6. Exploded views and parts list sam4s er-280 series 6-13 6-2 drawer c. Ass’y lock no. Code no. Description / specification q`ty design-location serviceable remark c jk97-00983a mea-unit lock : 2-latch,short lever 1 y c1 jk33-10500a solenoid-dc 1 y c2 6001-000525 screw-machine : ph,+2,m3,l14,zpc(yel...

  • Page 52

    6. Exploded views and parts list 6-14 sam4s er-280 series 6-2 drawer e. Ass’y tray no. Code no. Description / specification q`ty design-location serviceable remark jk97-20065a mea-unit tray (4b8c) 1 n white jk97-20065b mea-unit tray (4b8c) 1 n black jk97-20066a mea-unit tray (4b8c) 1 n white e jk97-...

  • Page 53: 7 Pcb Layout and Parts List

    Sam4s er-280 series 7-1 7 pcb layout and parts list 7-1 main pcb.

  • Page 54

    7. Pcb layout and parts list 7-2 sam4s er-280 series 7-1 main pcb no part-no description / specification q'ty design-location serviceable remark - jk92-01490clf pba main:er-280m,lcd,1-st,4m,non usb,crs 1 ass'y y - 0402-000119 diode-bridge:w02g,200v,1.5a,-,- 1 bd2 y - 0402-000290 diode-bridge:kbu6b,1...

  • Page 55

    7. Pcb layout and parts list sam4s er-280 series 7-3 7-1 main pcb no part-no description / specification q'ty design-location serviceable remark - jk68-40081a label(p)-battery:er-260,crs,sii 1 bat1 y - 0401-001003 diode-switching:mmbd6050lt1,70v,200ma,22 1 d5 y - 0402-001189 diode-rectifier:m4,400v,...

  • Page 56

    7. Pcb layout and parts list 7-4 sam4s er-280 series 7-1 main pcb no part-no description / specification q'ty design-location serviceable remark - 2008-000020 r-chip:470ohm,5%,1/10w,1608 5 r1,r84,r86,r105,r115 n - 2008-000026 r-chip:1kohm,5%,1/10w,1608 6 r2,r27,r32,r38,r83,r118 n - 2008-000030 r-chi...

  • Page 57

    7. Pcb layout and parts list sam4s er-280 series 7-5 7-2 serial 1 port pcb [top] [bottom] no part-no description / specification q'ty design-location serviceable remark - jk92-01473alf pba i/f:er-260,232*1,std 1 ass'y y - 3701-000232 connector-dsub:9p,2r,female,angle,auf 1 cn2 y - 3711-003422 connec...

  • Page 58

    7. Pcb layout and parts list 7-6 sam4s er-280 series 7-3 serial 3 port (with usb) pcb [ top ] [ bottom ] no part-no description / specification q'ty design-location serviceable remark - jk92-01495a pba interface:er-280,232*3,usb*1,std 1 ass'y y - 3701-000250 conn-dsub:9p,2r,female,st,de-09stum81 2 c...

  • Page 59

    7. Pcb layout and parts list sam4s er-280 series 7-7 7-4 front & rear display pcb & joint(r) pcb no part-no description / specification q'ty design-location serviceable remark - jk92-01476alf pba display:er-260,front&rear 1 ass'y y - 1003-001381 ic-vfd:hv5812p,dip,28p,540mil,-,-,st,pla 1 u1 y - 3708...

  • Page 60

    7. Pcb layout and parts list 7-8 sam4s er-280 series 7-5 rear display pcb & joint(r) pcb no part-no description / specification q'ty design-location serviceable remark - jk92-01476blf pba display:er-265m,rear only 1 ass'y y - 1003-001381 ic-vfd:hv5812p,dip,28p,540mil,-,-,st,pla 1 u1 y - 3708-001394 ...

  • Page 61

    7. Pcb layout and parts list sam4s er-280 series 7-9 7-6 joint(j) pcb no part-no description / specification q'ty design-location serviceable remark - jk92-01475alf pba joint(j):er-265,std 1 ass'y y - 3708-001396 connector-fpc/ffc/pic:22p,1mman,dip,side 1 cn1 y - 3708-001394 connector-fpc/ffc/pic:22...

  • Page 62

    7. Pcb layout and parts list 7-10 sam4s er-280 series 7-7 fiscal pcb 7-6-1 fiscal 1mbit - eprom (27c1001) no part-no description / specification q'ty design-location serviceable remark - jk92-01284c pba sub-fiscal:er-350ii,1mbit,34p 1 ass’y y - 1102-000109 ic-eprom:27c010,128kx8bit,dip,32p,120ns 1 u...

  • Page 63: 8 Block Diagram

    Sam4s er-280 series 8-1 8 block diagram vph +5v fiscal - + nreset +30v(vdi) data(7:0) +24v +5v sclk key mode vf vfd (8mbit) flash (boot) +5v ld(7:0) lcd lcd +5v nrd ncs sram#2 vbat ncs 3 sd_clk ncs 2 u sb_ d - u sb_ d + sd_cd sd_wp +5v +24v nrd gpio xin +5v cs1 +3.3v (sd) sda noe pf a il noe nce m c...

  • Page 64

    8. Block diagram 8-2 sam4s er-280 series memo.

  • Page 65: 9 Wiring Diagram

    Sam4s er-280 series 9-1 9 wiring diagram 1 33 29 3 1 2 11 7 9 19 15 17 27 23 25 31 33 29 34 30 25 23 21 13 17 15 5 9 7 1 1 6 1 2 1 gnd fd7 fd6 fd5 fd3 fa4 fa5 fa7 fa17 mot(r) a mot(r) b mot(r) a gnd tph data gnd gnd 6 dsr0 4 dtr0 2 gnd 3 rxd0 no fd0 fa11 fa10 fa8 fa12 fa13 fa15 fa0 fa1 fa3 fa16 mot(...

  • Page 66

    9. Wiring diagram 9-2 sam4s er-280 series memo.

  • Page 67: 10 Schematic Diagram

    Sam4s er-280 series 10-1 10 schematic diagram [ schematics sheet content ] 1. Main pcb schematics. 1) cpu block page 10-2 2) memory block page 10-3 3) key & serial block page 10-4 4) bat/rtc/fail/buzzer block page 10-5 5) vfd/lcd display block page 10-6 6) sd card block page 10-7 7) motor/sensor blo...

  • Page 68

    10-2 sam4s er-280 series a b c 1 of rev 4 3 2 1 a b c xout all_clear _reset vdd50v sd_xin _wr _cs0 _cs2 _cs3 a(0:19) d(0:7) xin xout 100 r107 rxd3 100 r101 r103 10k txd1 dtr1 dtr0 rxd0 size er280 main.Sch er-280 title : rxd2 dtr2 dd 11 sheet 1.3 2 vdd50v 22pf c54 4.7k r99 xin t4 kbd _rd _cs1 vdd50v ...

  • Page 69

    Sam4s er-280 series 10-3 a b a(0) a(1) a(2) a(3) a(4) a(5) a(6) a(7) a(8) a(9) d(0) d(1) d(2) d(3) d(4) d(5) d(6) d(7) c 2 of rev 4 3 2 1 a b c vbat vbat vbat _cs3 vbat cs_sram#2 cs_sram#1 _wr _rd _cs0 a(1) a(2) a(3) a(4) a(5) a(6) a(7) a(8) a(9) a(0:19) a(0:19) d(0) d(1) d(2) d(3) d(4) d(5) d(6) d(...

  • Page 70

    10-4 sam4s er-280 series a a(3) a(2) a(1) a(0) b 22 16 18 20 10 12 14 4 6 8 no 2 c ① 3 of rev 1.3 4 3 2 1 a b c r72 4. 7 k r79 4. 7 k r88 4. 7 k r10 2 4. 7 k _cs1 rxd3 txd3 2 cn6:b 4 cn6:d 6 cn6:f d(0:7) 21 15 17 19 gnd usb reset usb d- 9 11 13 dsr1 usb d+ gnd 3 5 7 rxd1 dtr1 txd1 1 no signal serial...

  • Page 71

    Sam4s er-280 series 10-5 a t8 b 3.4v c 4 of rev 1.3 4 3 2 1 a b c vbat buzzer vdd50v drawer lowbat 2 cn12:2 3 cn12:3 size er280 main.Sch er-280 title : dd 11 sheet rtc_sda rtc_sclk 2 15k r137 r74 10k 4.7k r142 100 r60 r64 100 100nf c71 r140 4.7k r83 1k when power on, vbt supply vdd50v 2 3 1 mmbt2222...

  • Page 72

    10-6 sam4s er-280 series a 10 8 9 7 5 6 4 2 3 1 b c 5 of rev 4 3 2 1 a b c "h"=discon 2 cn4:b 5 cn4:e 8 cn4:h no vfd lat vfd stb vfd sclk gnd vfd sdin vdisp(+30v) vf spoolmot(-) sen vfd discon 신호명 spoolmot(+) 19 cn13:s 21 cn13:u ld(6) 13 cn13:m 15 cn13:o ld(0) ld(2) 7 cn13:g 9 cn13:i 3 cn13:c _rd cs...

  • Page 73

    Sam4s er-280 series 10-7 xrdn xcsn d[7:0] a[3:1] d[7:0] a0 a[3:1] h h a b c 6 of rev 1.3 4 3 2 1 a0 xcsn a b c t6 xwrln l l sd_xin sd_xout sd_reset sd_int _wr _rd cs_sdcard (0x180000) d(0) d(1) d(2) d(3) d(4) d(5) d(6) d(7) a(0) a(1) a(2) a(3) sd_xout sd_xin sdvolt_onoff sd_/wp sd_dat0 sd_dat2 sd_da...

  • Page 74

    10-8 sam4s er-280 series a b c 7 of rev 1.3 4 3 2 1 a vprt vprt b m c active 'h' step_en(j) step_pha step_phb active 'h' vdd50v spoolmot(+) motout(j)_b motout(j)_b motout(j)_a motout(j)_a motout(r)_a motout(r)_a motout(r)_b motout(r)_b vph_onoff _rd cs_ext(541) d(0) d(1) d(2) d(5) d(3) d(4) d(7) d(6...

  • Page 75

    Sam4s er-280 series 10-9 a vph b 220 29 28 26 25 23 22 20 19 17 16 14 13 10 11 7 8 4 5 1 2 c ① ① 8 of rev 1.3 4 3 2 1 a b 220 30 27 24 21 18 15 12 3 6 9 no c ① sen_pend(j) vdd50v sen_pend(r) vdd50v sen_prtdiscon(r)_in tph_stb(r)#2 tph_stb(r)#1 tph_stb(j)#2 sen_prtdiscon(j)_in tph_stb(j)#1 vdd50v vdd...

  • Page 76

    10-10 sam4s er-280 series a _wr b c 9 of rev 1.3 4 3 2 1 a b _wr c r3 5 4 .7 k r4 0 4 .7 k r4 5 4 .7 k r4 8 4 .7 k c 2 8 1 00 pf c 2 9 1 00 pf c 3 1 1 00 pf c 3 5 1 00 pf mem_ce /mem_ce /mem_ce d(0) d(1) d(4) d(3) d(7) d(6) d(0:7) cs_fisdata_wr fiscal_data_wr cs_fisaddl_wr vdd50v _rd cs_fisdata_rd d...

  • Page 77

    Sam4s er-280 series 10-11 a b c 10 of rev 4 3 2 1 a b c fiseprom_pgm fiseprom_ce 7 cn1:7 13 cn1:13 19 cn1:19 25 cn1:25 31 cn1:31 470 r59 fd(0) fa(11) fd(1) fa(9) fa(8) fa(10) fa(13) fa(14) fa(12) fa(0) fa(1) fa(15) fa(3) fa(16) fa(2) size er280 main.Sch er-280 title : dd 11 sheet 1.3 2 fiseprom_oe +...

  • Page 78

    10-12 sam4s er-280 series a b vprt c 11 of rev 4 3 2 1 a b +24v c t3 t1 +24v switch power power pfail +24v vprt(+8v) pfail +32v vdisp(+28v) size pfail pfail pfail er280 main.Sch er-280 title : +3.3v vlcd vf vph spool vfd dd 11 sheet 1.3 t7 vdd50v t5 2 +24v 6 vcc 5 in 3 tc 4 gnd 1 sc 8 dc 7 sense 2 s...

  • Page 79

    Sam4s er-280 series 10-13 a e h p10 p6 g p4 p3 c dp p2 b p9 p1_a p3_f p2_b p6_e b g10 g9 g7 g8 g6 g4 g5 g3 g1 g2 vf1 c f_a f_b f_g f_c f_d 1 of re v 4 3 2 1 a d p7 a b p4_g p5_c p7_d p8_dp p10_h c f_vcc f_dp f_g9 f_g8 f_g6 f_g5 f_g3 f_g2 2 cn 2: b 3 cn 2: c 3 cn1 :c 2 cn1 :b 5 cn1 :e 6 cn1 :f 9 cn1 ...

  • Page 80

    10-14 sam4s er-280 series a e p6 f c p5 g p4 p2 p1 dp p8 p9 b p1_a p3_f p6_e g10 g9 g2 g1 g3 g5 g4 g6 g8 g7 g9 g7 g6 g4 g3 c g1 vf1 1 of re v 4 3 2 1 a a co m b p4_g p7_d c 2 cn1: b 3 cn1: c 5 cn1: e 6 cn1: f 9 cn1: i 8 cn1: h h p10 p3 b vf d _s tor be vf d _la tc h vf d _sc lk vf d _s d in p2_b g1 ...

  • Page 81

    Sam4s er-280 series 10-15 a b c 1 of re v 4 3 2 1 a b c 1 cn 1: a 4 cn 1: d ds r0 tx d 0 dt r0 rx d0 설계 사양 변경 사항 ds r0 rx d0 tx d 0 dt r0 rx d0_i n ds r0_i n tx d0_o ut d t r0_ o ut siz e (c ts 0) (r ts 0) (vse r ial) (d s r 0) (g nd ) (d tr 0) (t x d 0) (r x d 0) (n .C) er -2 60 tit le : d 1 s hee ...

  • Page 82

    10-16 sam4s er-280 series gnd gnd a 2 1 2 22 21 22 22 20 16 18 14 10 12 8 4 6 2 no signal b c (3) d+ 1 of rev 1.4 4 3 2 1 a 1 21 b c (2) d- (n.C) (n.C) 4) 단가 상승 요인 발생 설계 사양 변경 사항 21 19 15 17 13 9 11 7 3 5 1 no dtr3 dsr3 rxd3 txd3 rxd1 dtr1 dsr1 signal txd1 (blk) (blk) (blk) usb_d- usb_reset 17 cn3:q...

  • Page 83

    Sam4s er-280 series 10-17 1 4 3 7 6 10 9 13 12 16 15 19 18 22 21 25 24 28 27 no 30 a gn d gn d gn d b 21 22 18 19 15 16 12 13 9 10 6 7 3 4 1 21 22 18 19 15 16 12 13 9 10 6 7 3 4 no 1 c ① ① 1 of re v 4 3 2 1 2 5 8 11 14 17 20 23 26 29 a gn d b 20 17 14 11 8 5 2 20 17 14 11 8 5 2 c vph vph gn d vcc gn...

  • Page 84

    10-18 sam4s er-280 series a 1 3 2 4 6 5 7 9 8 10 12 11 13 15 14 16 18 17 19 21 20 22 no vp h vp h gn d gn d gn d gn d gn d vp h vp h b 22 20 21 19 17 18 16 14 15 13 11 12 10 8 9 7 5 6 4 2 3 1 c ① ① 1 of re v 4 3 2 1 a b c mo t( j) _b mo t( j) _/ a mo t( j) _/ b mo t( j) _a p e nd( j) in p e nd( j) l...

  • Page 85

    Sam4s er-280 series 10-19 2 6 10 pa2 pa3 14 pc 7 pa0 18 pc 4 pc 5 22 pc 2 pc 1 26 pb1 pb0 30 34 34 13 2. 0 of 1 1f is _a 16 5 pa6 pa2 blu pc 7 fi s_ a1 6 9 pa4 pa0 pa6 pa7 pc 4 pc 5 pb7 13 pc6 fi s _c s pa4 pc 1 pc 2 pb4 pb5 17 pc4 fi s_ vpp 2m _v c c pa6 pa7 pb1 pb2 21 pb4 pc1 pb5 pb4 pa3 pa4 25 pb...

  • Page 86

    10-20 sam4s er-280 series memo.

  • Page 87: Update Log

    Sam4s er-280 series update log application date page part # notes (cause & solution) service bulletin use this page to record any special servicing information such as service bulletins or supplements. When possible, record changes to code numbers directly on the actual parts list. Always record ser...

  • Page 88

    ⓒ shin heung precision. March 2007 printed in korea v1.0 code no. : jk68-70119a.