service manual - Arcade
Contents
1. COM A 5V SO mA sink at COM A IOV to 20V Pulse length 80msec 20 l I to 17 8 Internal pull up to 5V DC Open circuit or gt 3 6V inhibit Short circuit to OV or lt 2V accept SELECT internal pull up to 5V Open circuit or gt 3 6V 4 coin Short circuit to OV or lt 2V 8 coin Using the Parallel Interface The parallel Interface provides open collector output signals which will automatically sense the voltage applied to COM A and select pull up or pull down output drives as required All parallel interface signals are routed via connector and the following signals are available on this connector Pn No Signal Name Signal Description COM 4 Supply input for accept output drive 2 Al Accept output Coin 3 NC Polarising position 4 A2 Accept output Coin 2 5 A3 Accept output Coin 3 6 Select 4 coin 8 Coin select line 7 A4 Accept output Coin 4 8 14 Inhibit acceptance Coin 4 9 v supply Power supply Input 10 0 volts Machine 0 volts supply il 13 Inhibit acceptance Coin 3 12 12 Inhibit acceptance Coin 2 13 II Inhibit acceptance Coin 14 15 6 Inhibit acceptance Coins 5 and 6 15 17 8 Inhibit acceptance Coins 7 and 8 MAINTENANCE 0 0 AND FAULT FINDING outine Maintenance The plastic coin run down should be cleaned periodically Access to the run down is gained by foldingback the reject flap and removal of the screw 19C and cover 39 Note the position the snubber 25 and ensure it is refitted correctly o2. E DIRECT REJECT This is the Front Entry version fitted with the active 4 way sorter and may be in either direct or Indirect machine reject options Applications for this version Include AWP SWP and vending with change FIG 4 FIGURE 5 SENTINEL 35 FRONTPLATE INDIRECT MANIFOLD This the Front Entry version with active 4 way sorter fitted with the addltlon of a manifold Thls version will be found in current AWP and SWP machines This version is available in in direct reject only Two versions of the manifold are available and are shown in figure 6 IManifold 5 and 6 configurations SENTINEL EXPLODED DIAGRAM FIG 7 Parts List Coin entry and button housing 2 Button 3 Button lid 4 Button cone spring 5 Button label 6 Quick release latch 7 Main body 8 M4 0 x 160 pozi pan HD screw 9 Front entry gate piece IO Gate snubber 114 20 x 38 pozi CSK screw 12 Quick release latch spring I3 Front entry 14 2nd sense coil assembly 15 Bulb l6 Lamp holder 17 M4 0 full nut 18 st sense coil assembly 19 4 20 x 5 16 pozi pan HD 20 3rd sense coil 21 Main body pole piece 22 P C B cover plate 23 Solenoid assembly 24 Hinge pin spring 25 Main body snubber 26 Hinge pin 27 Sorter coin diverter flap 28 Final accept coil assembly 29 Printed circuit ass
3. ORED IN SENTINEL EEPROM IN THE COIN VALIDATOR ASSEMBLY There are six coin sorting functions which may each be programmed to any of the eight coin channels Coin always diverted down sorter path A Coin always diverted down sorter path B Coin always diverted down sorter path C Coin always diverted down sorter path D Coin toggles alternately down sorter paths A amp B Coin toggles alternately down sorter paths C amp D VIEW FROM BOTTOM OF MECH FIG 8 T he last two sorter functlons are Intended for club machines or any application where two pay out devices for the same coin value are required coin Sorter Module When fitted to the assembly the sorter allows four way sorting This is achieved by two Integral flaps 27 36 which are actively driven by two solenoids 23B 23C The first flap 36 isametal Construction which diverts thecointoone ofthe ports A or B at the back of the assembly when the solenoid 23C is not energised and to One of the ports C or D near the centre of the mechanism when the solenoid s energised The long plastic diverterflap 27 which runsthe length ofthe sorter is used to select between ports A and B or between ports C and D under the control of the solenoid 23B Two sets of photo cells 47 arelocated at the bottom of the sorter which reset the solenoids and allow the assembly to accept further coins immediately after the coin has cleared the cells This eliminates any timing complication The default
4. SENTINEL 30 35 SERVICE MANUAL ONTENTS AND Page TRODUCTION No 20 3 0 40 141 4 2 14 3 5 0 5 1 5 2 6 0 70 0 8 1 8 2 po OC 10 1 0 General Description Sentinel Versions 30 and 35 Interface Connections Sentinel Mechanical Description Factory Fitted Coin Entry and exit options Front Entry Top Entry Sentinel Exploded diagram Coin Sorting Corn Sorter Module Removal and Replacement of Sorter Mechanisms Internal Access Mechanism Removal and installation in Machine Electrical Interface Specification Power Supply Parallel Interface Using the Parallel Interface Routine Maintenance On Site Testing General Description The Sentinel coin mechanism is the first of a new family of products based on Coin Controls new cash handling concept of Flexible Cash Modules It uses the latest in coin handling technology to offer a product with an unparalleled combination of performance features and value for money The key feature of Sentinel is flexibility By selection from the carefully designed system of mechanical sub modules Sentinel can be configured to suit any 5 size coin mechanism application Sentinel has the following features Standard 5 sze Up to 8 coin validation Industry standard parallel interface with automatic selection IIC serial communication port Field programmability of active 4 way sorter routing Corn output configuration compatible with existing AWP s wh
5. embly 30 4 20 x 58 pozi pan HD screw 3 I Sorter centre plate 32 Coin diverter flap spring 33 Sorter solenoid flap 34 Solenoid flap pole piece 35 6 20 x 1 4 pozi pan HD screw 36 Solenoid coin flap assembly 37 Sorter solenoid cone spring board 38 Sorter solenoid cover 39 Coin rundown and reject cover 40 Accept gate 41 Accept gate spring 42 Reject gate 43 Mech mounting studs 44 Front plate 45 M3 0 x 6 0 pozi pan HD screw 46 Cotton catch 47 Photo Cells 51 Top entry chute 52 Top entry gate piece 53 Top entry reject lever 54 Top entry reject lever pivot screw 55 Top entry reject lever spring 56 Reject cup 57 Reject cup flap 58 M3 0 x pozi pan HD 59 Single corn outlet MECHANICAL DESCRIPTION 3 0 40 4 1 4 2 43 Interface Connections All versions of the Sentinei 30 35 acceptor have the Universal Parallel interface connector for connection to any AWP as well as the IIC serial interface connector 2 for future use The power supply to all versions is 12VDC see Electrical Interface section 8 NOTE Pin 6 is used on Sentinel SELECT Low for 8 coin mode and that no voltage greater than 5V should be applied to this pin Sentinel Mechanical Description The Sentinel coin acceptor mechanical construction is shown in Figure 7 A rundown is provided between the reject gate 42 and the body 7 along which are placed three coils of different shapes and sizes The f
6. en one of two optional manifolds are fitted VERSIONS 2 0 Sentinel Versions 30 and 35 There are two versions of the Sentinel 30 series of coin acceptors These are the Sentinel 30 which does not have a sorter and the Sentinel 35 which has a full 4 way active sorter fitted Both versions are available with either Front Entry or Top Entry options The Front Entry option is available with direct or indirect reject the Top Entry being available with Indirect reject only The versions in common usage are shown in Figures to 5 below FIGURE SENTINEL 30 TOP ENTRY Ths shows the Top Entry version without the active sorter for back channel mounting This version may be used in Juke Boxes and vending applications where no coin sorting for payout is required and where front panel space IS Ilmited TopEnty Reject Accent Outlet Single Accept Outlet FIGURE 2 SENTINEL 35 TOP ENTRY This shows the Top Entry version fitted with the active 4 way sorter which may be site programmed Applications for this version include vending with change Top Entry with Four Way Sorter Reject Four Coin Dutlet FIGURE 3 SENTINEL 30 FRONTPLATE INDIRECT REJECT This is the Front Entry version without the active sorter and may be in either direct or indirect machine reject options Applications for this wersion Include Juke boxes Vending and Video machines where front panel space is avaliable FIGURE4 SENTINEL 35 FRONTPLAT
7. irst coil 18 is a large diameter round coil which is placed at the front of the rundown Coin no 2 is a small round coil 14 which is situated in the gate 42 and the final coil is a wrapround 20 If a coin having passed the three sensors is deemed true the accept gate 40 is opened by energising a solenoid 23A and the coin passes through the accept coil 28 Having cleared the accept coil the accept gate is Closed and a credit signal is generated Ifthe mechanism is fitted with a sorter this is energised at the same time as the accept flap and is reset once the photo cells 47 have detected the accepted coin leaving the sorter outlet Factory Fitted Coin Entry and exit options Front Entry The front entry option is achieved by fixing to the basic assembly part numbered 6 8 9 12 13 15 16 In most cases this assembly will then be used in conjunction with the front plate parts numbered 1 2 3 4 5 44 This option can be either direct or indirect reject and can also be fitted with either a single exit port or an active four way sorter Top Entry This is achieved by adding to the basic assembly parts numbered 51 52 53 55 This unit can be fitted with either a single exit port or an active four way sorter 5 0 5 5 2 Coin Sorting Coin sorting is performed by the optional four way plug in active sorter Coin sorting is fully flexible any coin any way and i programmed by values ST
8. m Internal Access Access to parts required for on site service is by removal of the screw 9C Note the position of the metal nubber 25 and ensure that it is refitted correctly on reassembly ofthe mechanrsm Mechansim Removal and installation in Machine To remove the body from the front plate disconnect any serial or parallel Interface connectors Hold the mechanism across the top and pull the locking catch 6 toward you with one finger Raise the mechanism as far a it will go without pulling the mechanism toward you withdraw the mechanrsm by pulling gently toward the ear ofthe machine Note thatthere is no sideways movement in removing the Sentinel acceptor Installation is he reverse of removal except that the locking bar will engage automatically when the acceptor is properly located Electrical Interface Specifications IMPORTANT NOTE Application of signals or voltages outside specification may cause damage to or malfunction of the mechanism Power Supply Voltage I to 15 volts DC Current 220 mA continuous 0 7 A maximum no sorter fitted 2 0 A rnaximum with sorter fitted Rise time 200 msec maximum It is important to ensure sufficient power supply current capacity A minimum capacitance of 4700 microfarads IS recommended on the machine power supply output rail Parallel Interface COM A 5 to 20V DC 5 to 20V DC 200 mA maximum Al to Ad 8 mA source at COM A 5V 50 mA source at COM A 9V to t 24V 20 mA sink at
9. n Channel Mech takes first coin Parallel Interface parallel Interface and then stops working COM A pin not 20V to Ov connected Voltage 5vto 24v out of limits True coin reject too often Serial Interface If connected Power supply 11 15v Accept Gate Host Machine not responding Voltage out of specification Flap not free or dislocated Connector Loose Rundown Dirty Sorter opto Failed Mech times detectors out after 2 seconds 35 only giving poor accept rate when coins are fed fast but is alright when fed at coin 3 seconds Coins stick or jam Rundown Dirt or mechanical in mech Accept channel damage obstruction Reject channel Accept Gate Sorter If fitted Mounting of mech Improperly Body and or sorter mounted One of the true coins always rejects False coins in cashbox Coins I wrong cashbox No accept signal Paralle interface if connected lt 1 2v for accept Accept flap Sorter Connector Accept channel dent or broken connection pin Wrong inhibit input voltage lt 1 6V ACCEPT Flap spring loose or flap dislocated Dirty mechanical damage or obstruction Solenoid failure or wire broken Connector loose or broken Dirty or obstructed lf any of the defects cannot be rectified then the mechanism should be replaced with one programmed to the same sorter paths as shown on the faulty mech label Return the faulty acceptor to Coin Controls for repai
10. n reassembly Remove the sorter module described see COIN SORTER MODULE Cleaning of the sorter module may then also be carried out The cleaning materials recommended for the Sentinel Corn acceptor are as follows Mild detergents and water using a damp cloth Foam cleaners providing they are not acetone based under no circumstances should any acetone or ketone based cleaners be used on the acceptor sorter Silicone spray polishes should never be used as these will reduce the static protection corporated in the acceptor plastic 11 0 On Site Testing before Mechanisim correctly installed in Front Plate Back Channel replacement of the mechanism please check the following points Gate assembly correctly closed Mechanism rundown not obstructed Corns not backed up into the mechanism from underneath Mechanism rundown is clean see Routine Maintenance Symptom Investigate Possible Cause Mech does not work Connector Poor contact all coins reject Power supply 1 NOMINAL IV MINIMUM NOTF Supply voltage must not drop below this absolute minimum A meter may not detect transients that may occur on acceptance of a coin Use of the Toolkit advised 700mA 30 2A 35 200mSec max Inhibits inputs gt 2V for ACCEPT Accept Gate Bent pins Not switched on Incorrect voltage Inadequate power Power supply Rise Time too slow Mech inhibited Gate not free or dislocated Accept Channel Obstruction i
11. path of the sorter i e no solenoids energised i path A With reference tothe sorter output paths diagram it can be seen that if a solenoid fails to operate it will cause a coin to tend toward the A side of the sorter ie Top solenoid fail will cause coins from C to go down A and D to go down B similarly if the bottom solenoid falls coins from B will go down A and coins from D go down C The sorter paths are programmed into the Sentinel validator assembly on manufacture to the customer requirements Note that replacement of a sorter does NOT require any reprogramming but that replacment of the complete mech MUST be with one with the same sorter paths as shown on the mech label The Sentinel may be reprogrammed for other coin paths using the Sentinel Toolkit IRemoval and Replacement of Sorter The sorter can be unplugged once the cover and snubber are removed see Mechanism Internal Access 6 0 When reassembling a sorter onto the mechanism body ensure that the diverter flap 27 does not become trapped between the sorter body and the mechanism This is most easily ensured by offering the mechanism lbody down onto the sorter module Ensure that the 4 connector pins are aligned correctly with the sockets in the mechanism body Once the sorter i fitted correctly refit the snubber 25 and cover 39 securing with screw I 9C ELECTRICAL SPECIFICATION POWER SUPPLY REQUIREMENTS 6 0 7 0 8 0 8 1 8 2 9 0 Mechanis
12. r We do not recommend that any rectification i zattempted on the main electronics assembly The mechanism i covered by a warranty from Coin Controls and unauthorised rectification may invalidate this warranty For spares and service contact Coin Controls Technical Sales Department Telephone 06 678 0 I
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