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Sam4s ER-600 Service Manual

Manual is about: ELECTRONIC CASH REGISTER

Summary of ER-600

  • Page 1

    Electronic cash register c o n t e n t s er-600 / er-600r electronic cash register manual 1. Precaution statements 2. Product specifications 3. Installation and operation 4. Disassembly and assembly 5. Reference information 6. Special circuit descriptions 7. Troubleshooting 8. Exploded views and par...

  • Page 2

    About this manual this service manual describes how to perform hardware service maintenance for the sam4s er-600 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 ⓒ 2004 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-600 series service manual ...

  • Page 4: Overview of This System Ecr

    Overview of this system ecr this system 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 tec...

  • Page 5: 1   Precaution Statements

    Sam4s er-600 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-600 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-600 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 general specifications item description remark processor • mitsubishi m16c/80 group m30800sfp (1...

  • Page 8

    2 product specifications 2-2 sam4s er-600 series 2-2 appearance 2-2-1 appearance dimensions (mm) 155 242 378 figure2-1 dimensions 2-2-2 feature locations 1 2 3 4 7 8 6 5 9 10 11 figure2-2 feature locations ① keyboard (flat or raised) ② mode key ③ lcd ④ mcr ⑤ power(smps) ⑥ irc ⑦ rs232 serial i/f#4(rj...

  • Page 9

    2 product specifications sam4s er-600 series 2-3 2-3 power specifications 2-3-1 power specification item description remark input voltage & current • ac 100-240v, 50-60hz, 0.8a (min : 90v, max : 264v) power consumption • operating : 25w output voltage • dc 24v, 1.25a smps output table2-2 power speci...

  • Page 10

    2 product specifications 2-4 sam4s er-600 series 2-4 interface specifications 2-4-1 rs-232c serial interface 2-4-1-(a) specification item description remark data transmission • serial synchronization • asynchronous handshaking (flow control) • h/w : dtr / dsr • s/w : xon / xoff xon : asc code 11h xo...

  • Page 11

    2 product specifications sam4s er-600 series 2-5 2-4 interface specifications 2-4-1 rs-232c serial interface 2-4-1-(c) cable connection figure2-5 rs232c cable connection(db9p female) figure 2-6 rs-232c cable connection(rj-45) note: f.G(frame ground) , s.G(signal ground) (f.G) 2 (rxd) 3 (txd) 8 (cts)...

  • Page 12

    2 product specifications 2-6 sam4s er-600 series 2-4 interface specifications 2-4-1 rs-232c serial interface 2-4-1-(d) signal description pin no. Signal name signal direction function body frame gnd - frame ground 2 rxd input receive data 3 txd output transmit data 4 dtr output this signal indicates...

  • Page 13

    2 product specifications sam4s er-600 series 2-7 2-4 interface specifications 2-4-2 irc serial interface 2-4-2-(a) specification (same as rs-485 2-wire communication method) item description remark data transmission • serial synchronization • asynchronous signal level (receive) • logic”1” : (v a -v ...

  • Page 14

    2 product specifications 2-8 sam4s er-600 series 2-4 interface specifications 2-4-2-(d) signal description (port#1) pin no. Signal name signal direction function 1(7) tx/rx_b in/out 2(8) tx/rx_b in/out transmit/receive data line b pin 1 and pin 2 are shorted each other on main pcb. 3(9) f.Gnd - 4(10...

  • Page 15: 3 Installation and Operation

    Sam4s er-600 series 3-1 3 installation and operation 3-1 system configuration 3-1-1 configuration figure 3-1 system configuration figure 3-2 irc terminator note] the termination resistor 120[ohm] must be installed at host ecr and last slave ecr(s7)..

  • Page 16

    3 installation and operation 3-2 sam4s er-600 series 3-2 installation 3-2-1 rs-232c and irc serial cable installation 1. Connect the rs-232c serial cable to the rs-232c serial port on the back side of ecr.(⑨,⑩) 2. Secure the serial cable with screws. 3. Connector the other end of the rs-232c serial ...

  • Page 17

    3 installation and operation sam4s er-600 series 3-3 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 ni-mh battery, which maintains the ecr’s memory while the power is off, to fully ...

  • Page 18

    3 installation and operation 3-4 sam4s er-600 series 3-3 operation 3-3-2 key board matrix (dealer option) figure3-5 key board(98key) 3-3-3 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 ...

  • Page 19

    3 installation and operation sam4s er-600 series 3-5 3-3 operation 3-3-4 booting area download 1. Turn off the power switch. 2. Connect the serial#1 cable of register to pc. 3. Turn the mode switch to ‘sm’-mode. 4. Press and hold the ‘cash’ key and ‘clerk#’ on key board and turn on the power switch ...

  • Page 20

    3 installation and operation 3-6 sam4s er-600 series 3-3 operation 3-3-6 self test 3-3-6-(a) test display 1. Turn on the power switch. 2. Press ‘0’ and ‘1’ key on key board. 3. Then the buzzer will work for 1 sec. 4. After testing the buzzer, characters are displayed on the lcd display 3-3-6-(b) tes...

  • Page 21: 4 Disassembly And Assembly

    Sam4s er-600 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 ap...

  • Page 22

    4 disassembly and assembly 4-2 sam4s er-600 series 4-4 disassembling diagram a. Ass'y case-upper d. Ass'y kbd(raised) e. Ass'y kbd(flat) c. Ass'y case-lower b. Ass'y display a-1 a-3 a-4 a-5 a-6 a-7 a-8 a-9 a-10 c-13 c-14 c-10 c-11 c-15 c-16 c-17 c-18 c-19 c-12 a-2 b-1 c-1 c-4 c-2 c-3 c-5 c-6 c-7 c-9...

  • Page 23: 5 Reference Information

    Sam4s er-600 series 5-1 5 reference information 5-1 semiconductor base diagram 5-1-1 cpu a19/p4.3 a18/p4.2 a17/p4.1 a16/p4.0 a15/p3.7 a14/p3.6 a13/p3.5 a12/p3.4 a11/p3.3 a10/p3.2 a9/p3.1 vcc a8/p3.0 vss a7/p2.7 a6/p2.6 a5/p2.5 a4/p2.4 a3/p2.3 a2/p2.2 a1/p2.1 a0/p2.0 /int5/d15/p1.7 /int4/d14/p1.6 /in...

  • Page 24

    5 reference information 5-2 sam4s er-600 series 5-1 semiconductor base diagram pin port function i/o pin port function i/o 1 p9.6 txd4_irc out 51 p4.3 address19 out 2 p9.5 irc_ren out 52 p4.2 address18 out 3 p9.4 irc_den out 53 p4.1 address17 out 4 p9.3 dtr3 out 54 p4.0 address16 out 5 p9.2 txd3 out...

  • Page 25

    5 reference information sam4s er-600 series 5-3 5-1 semiconductor base diagram 5-1-2 memory figure 5-1 sram km684000 specification figure 5-2 flash rom am29f800 specification pin description pin name function we write enable input cs chip select input oe output enable input a 0 ~a 18 address inputs ...

  • Page 26

    5 reference information 5-4 sam4s er-600 series 5-1 semiconductor base diagram 5-1-3 logic ics figure 5-3 74hct08 figure 5-4 74hc14 figure 5-5 74hct32 figure 5-6 74hc138 l l h h l h l h function table inputs output a b l l l h y 13 14 12 11 10 9 8 2 1 3 4 5 6 7 vcc b4 a4 y4 b3 a3 y3 a1 b1 y1 a2 b2 y...

  • Page 27

    5 reference information sam4s er-600 series 5-5 5-1 semiconductor base diagram 5-1-3 logic ics figure 5-7 74hc245 figure 5-8 74hc541 figure 5-9 74hc574 a data port a8 a7 a6 a5 a3 a4 a2 a1 9 8 7 6 5 4 3 2 direction output enable 1 19 pin 10 = gnd pin 20 = v cc 18 17 16 15 14 13 12 11 b1 b2 b3 b4 b5 b...

  • Page 28

    5 reference information 5-6 sam4s er-600 series 5-1 semiconductor base diagram 5-1-4 other ics figure 5-10 transceivers ds75176b specification figure 5-11 sscg fs781 specification ds008759-1 f unction t ables driver input enable outputs d de a b h h h l l h l h x l z z receiver differential i nputs ...

  • Page 29

    5 reference information sam4s er-600 series 5-7 5-1 semiconductor base diagram 5-1-4 other ics figure 5-12 ka393 figure 5-13 ka34063 figure 5-14 m51953 intrb(1) vdd(5) scl(2) oscin(6) sda(3) oscout(7) vss(4) intra(8) figure 5-15 rs5c372a 1 switch collector switch emitter timing capacitor gnd driver ...

  • Page 30

    5 reference information 5-8 sam4s er-600 series 5-1 semiconductor base diagram 5-1-5 tr , diode figure 5-15 transistor & diode [ksa1010-y] [ksd288-y] [ksa708-y] [ksa1182-y] [mmbt2222a] [mmbd6050] 1.Base 2.Collector 3.Emitter 1 to-220 1. Emitter 2. Base 3. Collector to-92 1 sot-23 1 2 3 1:b ase 2:e m...

  • Page 31

    Sam4s er-600 series 6-1 6 special circuit descriptions 6-1 power circuit this system is operated under 120vac or 230vac. All data is saved by the battery when the main power is turned off. The power circuit supplies the five different dc voltage sources and one ac voltage source. Figure 6-1 power bl...

  • Page 32

    6 special circuit descriptions 6-2 sam4s er-600 series 6-1 power circuit 6-1-1 vdrv : +24vdc +24vdc is produced by smps. This voltage is used as a cash drawer solenoid driving voltage and a source voltage of the other voltage sources. 6-1-2 vcc : +5vdc +5vdc logic driving voltage is produced by the ...

  • Page 33

    6 special circuit descriptions sam4s er-600 series 6-3 6-2 reset and power fail circuit 6-2-1 reset circuit reset signal is a signal in order to start-up cpu under power-on. Reset circuit uses a reset ic m51953b(u17). When +5vdc is fallen under 4.3vdc by power-off, reset signal prohibits the system ...

  • Page 34

    6 special circuit descriptions 6-4 sam4s er-600 series 6-3 battery, rtc(clock), buzzer and cash drawer circuits 6-3-1 battery circuit battery circuit supplies srams and rtc (u4, rs5c372a) with voltage source and is used to drive clock and to save data when the main power is turned off. When the powe...

  • Page 35

    6 special circuit description sam4s er-600 series 6-5 6-3 battery, rtc(clock), buzzer and cash drawer circuits 6-3-4 cash drawer driving circuit the circuit is used for opening cash drawer and driven by the q1(mmbt222a),q2(ksd288-y). When its state is high level signal, q1(mmbt222a) or q2(ksd288-y) ...

  • Page 36

    6 special circuit descriptions 6-6 sam4s er-600 series 6-4 rs-232c & irc communication block diagram the cpu is used for serial communication 1,2. And also rs-232c driver(max232), is used to serial communication. Show following block diagram figure 6-7 rs-232c and irc communication block diagram fig...

  • Page 37

    6 special circuit description sam4s er-600 series 6-7 6-4 rs-232c & irc communication block diagram figure 6-9 irc waveform transmit action(ecr) receive action(ecr) “h” transmission a data (1 byte) data tx/rx_a tx/rx_b “l” (+)level gnd (+)level gnd (+)level (5v) (+)level (5v) received data (1 byte) ...

  • Page 38

    6 special circuit descriptions 6-8 sam4s er-600 series 6-5 keyboard circuit the key board circuit consist of the scan signal of 14 lines and the return signal of 7-line. The cpu sends repeatedly and continuously the scan data s0 s ∼ 15 through the 74hct138(u1,u24). The key information input in the r...

  • Page 39: 7 Troubleshooting

    Sam4s er-600 series 7-1 7 troubleshooting 7-1 power problem end power problem power out ok? Smps y n 1. Check the power cable 2. Replace the smps. Power vdrv (+24v) ok? 1. Check the fuse (fu1) on pcb 2. Check the diode(d36 ,d37, zd 6) on pcb 3. Check the vdrv signal whether it is short. N power vcc ...

  • Page 40

    7 troubleshooting 7-2 sam4s er-600 series 7-2 system problem end system problem reset signal ok? Y n 1. Check the ic m51953b(u17). 2. Check the rst pattern on pcb. Power fail signal ok? Program ok? Y 1. Check the ncs, nrd signal of flash rom 2. Check the addr/data line pattern whether it is short. 3...

  • Page 41

    7 troubleshooting sam4s er-600 series 7-3 7-3 key board problem end key board problem key input failure ? Y n 1. Check the ncs_key signal of decoder 74hc138(u11) 2. Check the key scan part 74hc138(u1,u24) 3. Check the key return part 74hct541 4. Check the related circuit and pattern 5. Check & chang...

  • Page 42

    7 troubleshooting 7-4 sam4s er-600 series 7-4 rs-232c & irc serial communication problem end irc problem loop back failure ? Y n 1. Perform the “self test” in the sm-mode using the loop back test connector. 2. Check the tx,rx pin on i/f pba. Communication failure? 1. Check the connection of the irc ...

  • Page 43

    Sam4s er-600 series 8-1 8 exploded views and parts list 8-1 main set 8-1-1 exploded view a. Ass'y case-upper d. Ass'y kbd(raised) e. Ass'y kbd(flat) c. Ass'y case-lower b. Ass'y display a-1 a-3 a-4 a-5 a-6 a-7 a-8 a-9 a-10 c-13 c-14 c-10 c-11 c-15 c-16 c-17 c-18 c-19 c-12 a-2 b-1 c-1 c-4 c-2 c-3 c-5...

  • Page 44

    8 exploded views and parts list 8-2 sam4s er-600 series 8-1 main set 8-1-2 parts list 8-1-2(a) ass'y case-upper no. Parts no. Description / specification q`ty design-location serviceable remark a-1 jk72-20048a pmo-cover mcr,hips(vo) 1 y a-2 jk73-20212a rex-water proof,49 key , raised 1 y a-3 jk72-20...

  • Page 45

    8 exploded views and parts list sam4s er-600 series 8-3 8-1 main set 8-1-2 parts list d-1 d-2 d-3 d-4 d-5 d-2 d-6 d-7 d-8 d-9 d-10 d-11 d-12 figure8-2 ass'y kbd(raised) 8-1-2(d) ass'y kbd(raised) no. Parts no. Description / specification q`ty design-location serviceable remark jk59-30008g unit-keybo...

  • Page 46

    8 exploded views and parts list 8-4 sam4s er-600 series 8-1 main set 8-1-2 parts list 8-1-2(d) ass'y kbd(raised) no. Parts no. Description / specification q`ty design-location serviceable remark jk81-10933a key-top,1 1 y jk81-10934a key-top,2 1 y jk81-10935a key-top,3 1 y jk81-10936a key-top,4 1 y j...

  • Page 47

    8 exploded views and parts list sam4s er-600 series 8-5 8-1 main set 8-1-2 parts list e. Ass'y kbd(flat) e-3 e-4 e-5 e-6 e-7 e-1 e-2 figure8-3 ass'y kbd(flat) 8-1-2(e) ass'y kbd(flat) no. Parts no. Description / specification q`ty design-location serviceable remark e jk59-30010a unit-keyboard,numeri...

  • Page 48

    8 exploded views and parts list 8-6 sam4s er-600 series memo.

  • Page 49: 9 Pcb Layout and Parts List

    Sam4s er-600 series 9-1 9 pcb layout and parts list 9-1 main pcb layout 9-1 component side view (pcb:jk41-10549a).

  • Page 50

    9 pcb layout and parts list 9-2 sam4s er-600 series 9-1 main pcb layout 9-2 parts list no. Parts no. Description / specification q`ty design-location serviceable remark 3601-000246 fuse-cartridge:250v,2a,time-lag,glass,5. 1 fu1 y 3602-000001 fuse-clip:-,-,30mohm 2 fu1 y 2801-003263 crystal-unit:14.7...

  • Page 51

    9 pcb layout and parts list sam4s er-600 series 9-3 9-1 main pcb layout 9-2 parts list no. Parts no. Description / specification q`ty design-location serviceable remark 0502-000234 tr-power:ksa1010y,pnp,40w,to-220,tp,100 1 y 6002-000175 screw-tapping:pwh,+,2,m3,l8,zpc(yel) 1 y jk62-30901a heat sink-...

  • Page 52

    9 pcb layout and parts list 9-4 sam4s er-600 series 9-1 main pcb layout 9-2 parts list no. Parts no. Description / specification q`ty design-location serviceable remark 2007-000300 r-chip:10kohm,5%,1/10w,da,tp,2012 5 r55,r56,r57,r58,r59 y 2007-000300 r-chip:10kohm,5%,1/10w,da,tp,2012 4 r62,r66,r67,r...

  • Page 53

    9 pcb layout and parts list sam4s er-600 series 9-5 9-1 main pcb layout 9-2 parts list no. Parts no. Description / specification q`ty design-location serviceable remark 2203-000260 c-ceramic,chip:10nf,10%,50v,x7r,tp,2012 3 c37,c54,c60 y 2203-000784 c-ceramic,chip:0.33nf,5%,50v,np0,tp,2012 2 c63,c74 ...

  • Page 54

    9 pcb layout and parts list 9-6 sam4s er-600 series memo.

  • Page 55: 10 Block Diagram

    Sam4s er-600 series 10-1 10 block diagram 10-1 er-600

  • Page 56

    10 block diagram 10-2 sam4s er-600 series memo.

  • Page 57: 11 Wiring Diagram

    Sam4s er-600 series 11-1 11 wiring diagram 11-1 wiring pin connection cn16=lcd cn2=drawer cn9=irc cn5,cn6=rs232 no signal name no signal name no signal name no signal name 1 vss 1 gnd 1 tptx(-) 1 n.C 2 vdd 2 drawer1_out 2 tptx(-) 2 rxd0 3 vcontrast 3 sendwrcomp1_in 3 gnd 3 txd0 4 data/inst 4 vdrv 4 ...

  • Page 58

    11 wiring diagram 11-2 sam4s er-600 series 11-2 wiring diagram figure11-1 wiring diagram.

  • Page 59: 12 Schematic Diagrams

    Sam4s er-600 series 12-1 12 schematic diagrams [ schematics sheet content ] 1. Main pcb schematics. 1) cpu block ---------------------------------------------------------- 12-2 2) memory, rtc, decoder block --------------------------------- 12-3 3) power control block -------------------------------...

  • Page 60

    12-2 sam4s er-600 series 4 dat e of 4 3 2 1 ab siz e 3 2 1 b drawn by s heet c title : d c d file name a3 rev shin heung precision co., ltd. 4 dat e of 4 3 2 1 ab siz e 3 2 1 b drawn by s heet c title : d c d file name a3 rev shin heung precision co., ltd. V163 _r d _wr _c s1 _c s0 _c s2 a( 8) a( 9)...

  • Page 61

    Sam4s er-600 series 12-3 4 dat e of 4 3 2 1 ab siz e 3 2 1 b drawn by s heet c title : d c d file name a3 rev shin heung precision co., ltd. 4 dat e of 4 3 2 1 ab siz e 3 2 1 b drawn by s heet c title : d c d file name a3 rev shin heung precision co., ltd. V5 6 _r d _wr a( 0) a( 1) a( 4) a( 3) a( 7)...

  • Page 62

    12-4 sam4s er-600 series 4 dat e of 4 3 2 1 ab siz e 3 2 1 b drawn by s heet c title : d c d file name a3 rev shin heung precision co., ltd. 4 dat e of 4 3 2 1 ab siz e 3 2 1 b drawn by s heet c title : d c d file name a3 rev shin heung precision co., ltd. V49 37 v143 v80 vcc d18 vcc d22 mem_c e vse...

  • Page 63

    Sam4s er-600 series 12-5 4 dat e of 4 3 2 1 ab siz e 3 2 1 b drawn by s heet c title : d c d file name a3 rev shin heung p recision co., ltd. 4 dat e of 4 3 2 1 ab siz e 3 2 1 b drawn by s heet c title : d c d file name a3 rev shin heung p recision co., ltd. V135 v126 v131 v123 v112 v101 v93 v100 v8...

  • Page 64

    12-6 sam4s er-600 series 4 dat e of 4 3 2 1 ab siz e 3 2 1 b drawn by s heet c title : d c d file name a3 rev shin heung precision co., ltd. 4 dat e of 4 3 2 1 ab siz e 3 2 1 b drawn by s heet c title : d c d file name a3 rev shin heung precision co., ltd. V18 v21 v11 v7 _r d d(7 ) d(4 ) d(5 ) d(6 )...

  • Page 65

    Sam4s er-600 series 12-7 4 dat e of 4 3 2 1 ab siz e 3 2 1 b drawn by s heet c title : d c d file name a3 rev shin heung precision co., ltd. 4 dat e of 4 3 2 1 ab siz e 3 2 1 b drawn by s heet c title : d c d file name a3 rev shin heung precision co., ltd. V182 v187 v192 v196 v146 d6 ce1 d0 d2 vss 2...

  • Page 66

    12-8 sam4s er-600 series 4 dat e of 4 3 2 1 ab siz e 3 2 1 b drawn by s heet c title : d c d file name a3 rev shin heung precision co., ltd. 4 dat e of 4 3 2 1 ab siz e 3 2 1 b drawn by s heet c title : d c d file name a3 rev shin heung precision co., ltd. V186 77 24v ¤ gnd ¤Ł n.C ¤Ø [p ower connect...

  • Page 67: Update Log

    Sam4s er-600 series update log application date page part # notes (cause & solution) s/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 service b...

  • Page 68

    ⓒ shin heung precision . February 2004 printed in korea. V1.1 code no. : jk68-60935a.