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Jands Electronics P/L

40 Kent Rd

Mascot  NSW  2020

Australia

Ph (02) 9582-0909

3

0

9-Jul-1999 

16:37:12

H:\LAB\EVENT4\CIRCUIT\Ev4cpu1.sc3

Title

Size:

Number:

Date:

File:

Revision:

Sheet

o

f

Time:

A2

Event4 CPU Card

Ev4CPU1.SC3

Drawn By:

12

13

IC35F

74HC14

R62

10R

C13

100nF

R63

150R

R64

150R

C31

1uF

C14

100nF

C22

10uF

R58

47R

VCC

R70

150R

D8

BAV103

3

2

1

IC56

LM334

C34

220pF 1206

C35

220pF 1206

R71

47R

R72

47R

R59

47R

C23

10uF

C15

100nF

VCC

R73

1R 

R74

1R 

C32

1uF

R65

150R

R66

150R

C16

100nF

VCC

D0

1

D1

2

WE

3

RAS

4

5

A0

6

A1

7

A2

8

A3

9

A4

11

A5

12

A6

13

A7

14

A8

15

OE

16

CAS

17

D2

18

D3

19

IC57

414256

D0

1

D1

2

WE

3

RAS

4

5

A0

6

A1

7

A2

8

A3

9

A4

11

A5

12

A6

13

A7

14

A8

15

OE

16

CAS

17

D2

18

D3

19

IC58

414256

D0

1

D1

2

WE

3

RAS

4

5

A0

6

A1

7

A2

8

A3

9

A4

11

A5

12

A6

13

A7

14

A8

15

OE

16

CAS

17

D2

18

D3

19

IC59

414256

D0

1

D1

2

WE

3

RAS

4

5

A0

6

A1

7

A2

8

A3

9

A4

11

A5

12

A6

13

A7

14

A8

15

OE

16

CAS

17

D2

18

D3

19

IC60

414256

VDD1

1

EROM

2

SD15

3

SD14

4

SD13

5

SD12

6

VSS1

7

SD11

8

SD10

9

SD9

10

SD8

11

VSS2

12

MEMW

13

MEMR

14

LA17

15

LA18

16

LA19

17

LA20

18

LA21

19

LA22

20

LA23

21

IOCS16

22

MCS16

23

SHBE

24

BALE

25

VDD2

26

SA0

27

SA1

28

SA2

29

SA3

30

SA4

31

SA5

32

SA6

33

SA7

34

SA8

35

SA9

36

SA10

37

SA11

38

SA12

39

VSS3

40

RESET

41

SA13

42

SA14

43

SA15

44

SA16

45

AEN

46

IOCHRD

47

REFRESH

48

IOR

49

IOW

50

0WS

51

IRQ

52

VSS4

53

SD0

54

SD1

55

SD2

56

SD3

57

VDD3

58

SD4

59

SD5

60

VSS5

61

SD6

62

SD7

63

AVSS1

64

VFILTR

65

AVDD1

66

TWR

67

VSYNC

68

HSYNC

69

AVSS2

70

OVRW

71

AVDD2

72

EED1

73

EECS

74

BLUE

75

GREEN

76

RED

77

IREF

78

P0

79

VSS4

80

VDD4

81

P1

82

P2

83

P3

84

AVDD3

85

P4

86

P5

87

P6

88

P7

89

AVSSS3

90

VSS7

91

DCLK

92

BLANK

93

EVIDEO

94

ESYNC

95

EDCLK

96

MD31

97

MD30

98

MD29

99

MD28

100

VSS8

101

MD27

102

MD26

103

MD25

104

MD24

105

WE3

106

MD23

108

MD22

109

MD21

110

MD20

111

MD19

112

MD18

113

MD17

114

MD16

115

WE2

116

MD15

117

MD14

118

MD13

119

VSS9

120

VDD6

121

MD12

122

MD11

123

MD10

124

MD9

125

MD8

126

WE1

127

VSS10

128

MD7

129

MD6

130

MD5

131

MD4

132

MD3

133

MD2

134

MD1

135

MD0

136

VSS11

137

WE0

138

CAS

139

VDD7

140

OE

141

RAS

142

MA9

143

VSS12

144

MA8

145

MA7

146

MA6

147

MA5

148

MA4

149

MA3

150

MA2

151

MA1

152

MA0

153

AVDD4

154

MFILTR

155

AVSS4

156

MCLK

157

XTAL

158

OSC

159

VSS13

160

VDD5

107

IC65

GD5429

C36

10pF

R67

150R

R68

150R

R69

150R

C37

10pF

C38

10pF

C17

100nF

C24

10uF

C33

1uF

C18

100nF

R75

10R

R76

10R

Video

1

GND

2

Vcc

4

OUT

3

IC66

14.31818MHz

MD16

MD17

MD18

MD19

MD20

MD21

MD22

MD23

MD24

MD25

MD26

MD27

MD28

MD29

MD30

MD31

MA0

MA1

MA2

MA3

MA4

MA5

MA6

MA7

MA8

MA0

MA1

MA2

MA3

MA4

MA5

MA6

MA7

MA8

MA0

MA1

MA2

MA3

MA4

MA5

MA6

MA7

MA8

MA0

MA1

MA2

MA3

MA4

MA5

MA6

MA7

MA8

MD16 
MD17 
MD18 
MD19 
MD20 
MD21 
MD22 
MD23

MD24 
MD25 
MD26 
MD27

MD28 
MD29 
MD30 
MD31

D24

D25

D26

D27

D28

D29

D30

D31

A0 
A1 
A2 
A3 
A4 
A5 
A6 
A7 
A8

A10 
A11 
A12

A13

A14

A15

A16

A17 
A18 
A19

A(0..31)

D(0..31)

ALE

MEMWR

MEMRD

RSTDRV

IOCHRDY

IOWR

IORD

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

CONN11

VGACONN

MA0

MA1

MA2

MA3

MA4

MA5

MA6

MA7

MA8

C40

100nF

VCC

C41

100nF

VCC

C42

100nF

VCC

C43

100nF

VCC

C44

100nF

VCC

C46

100nF

VCC

C56

100nF

VCC

C57

100nF

VCC

C58

100nF

VCC

C59

100nF

VCC

C60

100nF

VCC

C61

100nF

VCC

C62

100nF

VCC

C63

100nF

VCC

C64

100nF

VCC

C65

100nF

VCC

C66

100nF

VCC

C68

100nF

VCC

C69

100nF

VCC

C70

100nF

VCC

C71

100nF

VCC

C72

100nF

VCC

C73

100nF

VCC

C74

100nF

VCC

C75

100nF

VCC

C76

100nF

VCC

C77

100nF

VCC

C78

100nF

VCC

C79

100nF

VCC

C80

100nF

VCC

C81

100nF

VCC

C82

100nF

VCC

C83

100nF

VCC

C84

100nF

VCC

C85

100nF

VCC

C86

100nF

VCC

C87

100nF

VCC

C88

100nF

VCC

C89

100nF

VCC

C90

100nF

VCC

C91

100nF

VCC

C92

100nF

VCC

C93

100nF

VCC

C94

100nF

VCC

C95

100nF

VCC

C96

100nF

VCC

C97

100nF

VCC

C98

100nF

VCC

C99

100nF

VCC

C100

100nF

VCC

C101

100nF

VCC

C102

100nF

VCC

C103

100nF

VCC

C104

100nF

VCC

C105

100nF

VCC

GND

1

D0

2

D1

3

D2

5

D3

6

D4

8

D5

9

D6

11

D7

12

VCC

13

RW

14

ALE

15

VCC

16

DS

17

MUX

18

-12

19

+12

20

GND

4

GND

7

GND

10

CONN4

20WAYIDC

R95

150R

C120

10nF

R96

150R

C121

10nF

R97

150R

C122

10nF

R98

150R

C123

10nF

R99

150R

C124

10nF

R100

150R

C125

10nF

R101

150R

C126

10nF

R102

150R

C127

10nF

R103

150R

C128

10nF

R104

150R

C129

10nF

R105

150R

C130

10nF

R106

150R

C131

10nF

F1

BEAD

F3

BEAD

F4

BEAD

F2

BEAD

VCC

+12

-12

C139

100nF

VCC

C140

100nF

VCC

C141

100nF

VCC

C142

100nF

VCC

VA9

C151

100nF

-12

C143

100nF

VCC

C150

10uF

-12

C152

100nF

+12

C153

10uF

+12

C145

10uF

-12

C147

10uF

+12

C148

100nF

+12

C144

220uF

VCC

C149

100nF

VCC

C154

100nF

VCC

C146

100nF

-12

R118

2R7

R117

2R7

R119

2R7

R17

2R7

R16

2R7

R15

2R7

Note: Either R73 OR R117, 118, 119 used

Note: Either R74 OR R15, 16, 17 used

Содержание Event 4

Страница 1: ...Event 4 Technical Manual Revision 1 19 07 99 ...

Страница 2: ...aged to try to correct the interference by one or more of the following measures reorient or relocate the receiving antenna increase the separation between the equipment and receiver connect the equipment into an outlet on a different circuit from that to which the receiver is connected consult the dealer or an experienced radio television technician for help This Class B digital apparatus complie...

Страница 3: ...or Card 3 1 3 1 1 Boot ROM FLASH and RAM 3 1 3 1 2 Trim procedure 3 1 3 1 3 Battery 3 2 3 1 4 Logic 3 2 3 1 5 Desk Lamp Dimmer 3 2 3 1 6 DMX Outputs 3 2 3 1 7 Keyboard 3 2 3 1 8 Expansion Bus 3 3 3 2 Front Panel Cards 3 3 3 2 1 Card Select Jumpers 3 3 3 2 2 LCDs 3 3 4 DIP Switch Settings 4 1 5 Boot ROM inbuilt menu self tests setups etc 5 1 5 1 Entering the Boot Menu 5 1 5 2 Menu Usage 5 1 5 3 Boo...

Страница 4: ...X In 5 6 Vers 5 6 Trash RAM 5 6 Boot 5 6 6 Fault Finding Table 6 1 7 Maintenance 7 1 8 Technical Data and Specifications 8 1 Event 4 Specifications 8 1 9 Glossary of Terms 9 1 Appendix A History of Modifications 9 1 Appendix B Connector Pinouts 9 1 Appendix C Spare Parts 9 1 Appendix D DMX to MIDI adaptor 9 1 Appendix E 2 x DMX MIDI signal combiner 9 1 Appendix F Circuit diagrams 9 1 ...

Страница 5: ...on 1 07 July 1999 Event 4 TECHNICAL MANUAL EV4CPU1 Circuit diagrams 9 2 EV4MAST3 Circuit diagrams 9 3 EV4ASN3 Circuit diagrams 9 4 EV4PRE3 Circuit diagrams 9 5 EV4PAL3 Circuit diagrams 9 6 BKLTSML0 Circuit diagrams 9 7 ...

Страница 6: ... is achieved by inserting a diskette with the new operating system and selecting the appropriate options in the boot menu The boot menu also provides other functions including console self tests Note that static sensitive devices are used throughout the console and normal handling precautions should be applied during service Note also that connections should never be made with the power switched o...

Страница 7: ...iver 5mm nut driver 1 Posidrive screwdriver 2 Posidrive screwdriver 2 2 Disassembly Access to the console is through the base To remove the base place the console face down onto soft padding Using the 2 posidrive screwdriver remove all and only the silver screws leaving the four black screws The base can then be lifted away To remove the PSU CPU assembly disconnect all cables to the CPU and PSU an...

Страница 8: ...lled including the DMX output connector Also check that the DMX connector wiring is located within the cutout section of the CPU card The CPU trim procedure should be followed if either the CPU or power supply have been changed or if the trim has been inadvertently adjusted Refer to section 3 1 2 Test the console fully before installing the base This includes the disk drive desk lamps back lights ...

Страница 9: ... 1 Boot ROM FLASH and RAM The CPU memory consists of a Boot EPROM IC25 four FLASH ROMs IC11 IC12 IC13 IC14 and four static RAMs IC16 19 The CPU card has the capacity to be fitted with a maximum of 2MBytes program memory four x 29F040 devices and 2MBytes show memory four x 512Kbyte devices Only AMD brand 29F040 FLASH devices should be used with boot software versions up to 0 5 3 1 2 Trim procedure ...

Страница 10: ...d by connecting an appropriate header to CONN3 If it is necessary to reprogram these devices in the field follow the instructions supplied with the kit 3 1 5 Desk Lamp Dimmer The desk lamp dimmer circuit consists of a PWM switching circuit protected by a PTC polyswitch The polyswitch will trip under overload conditions when it does LED L6 will extinguish Due to the nature of the polyswitch it is n...

Страница 11: ...set and Assign card selects the address of the card in the system When installing new cards ensure that the replacement card has its jumper in the same position as the card it is replacing The correct jumper position for a Preset or Assign card is equal to its position from the left eg the left most Preset and Assign cards have their jumpers set to 0 the next have it set to 1 etc Master and Palett...

Страница 12: ...TE At the time of printing all DIP switches should be off for normal console operation Dip SW1 no function Dip SW2 no function Dip SW3 no function Dip SW4 no function Dip SW5 no function Dip SW6 Enable main code diagnostics Dip SW7 Execute software from RAM use for development only Dip SW8 Reserved ...

Страница 13: ...ons are selected by pressing one of the five buttons above the programmer LCD or press EXIT to return to the previous menu 5 3 Boot Menu The following menu options are available in the opening menu 1 Continue 2 Load FLASH 3 Test 5 3 1 Continue Use this option to exit the boot menu and continue normal execution into the main operating software Use this option if the boot menu has been entered by mi...

Страница 14: ...the edge of L5 and L4 The data can be used to verify the correct operation of the CPU control signals The sequence of operations performed during this routine are shown in table 3 Event Signals of interest Comment Set Green LED L5 on L5 CRO Synchronisation Set Green LED L5 off L5 CRO Synchronisation Move 01 to 40010004 IC16 pin 29 Write to RAM bank 0 byte 0 Move 02 to 40010005 IC17 pin 29 Write to...

Страница 15: ...n 13 PC Memory Write Move 606A0000 to CPU IC65 pin 14 PC Memory Read Move 55 to 60000000 IC65 pin 50 PC IO Write Move 60000000 to CPU IC65 pin 49 PC IO Read Table 3 Bus exercise event summary Figure 1 shows the relationship between L5 IC16 WR and the CPU DACK signals as measured while running this test Figure 1 Sample waveform during Bus Exercise Trace 1 L5 Trace 2 IC16 Pin 29 WR Trace 3 IC1 pin 4...

Страница 16: ...ption to test the ports of the CPU card When selected the following options are displayed 1 VGA 2 DMX1 3 DMX2 4 MIDI VGA Test bars are displayed on the VGA and LCD screens for the purpose of checking colour VGA and grey scaling LCD Press enter to return to the normal menu when the screen results have been viewed DMX 1 The DMX1 output is connected to the MIDI input via the adaptor cable shown in Ap...

Страница 17: ...in Table 4 and can be used to verify correct operation of the majority of the front panel controls In general a pressed switch is indicated by its associated LED or the LCD if no LED available and fader values are displayed on the associated LCD or channel LED The Channel master levels and preset faders operate in familiar two preset mode with the levels appearing at both DMX outputs This test is ...

Страница 18: ...input Note also that the data pattern changes each time the test is run Press Exit to terminate the test Vers The software version of the test routines is output to L4 and L5 in flashes The green LED L5 flashes once at the start of the test The version is then displayed in red LED L4 flashes The version is also displayed on the master LCD at startup and for this reason this test is mainly for use ...

Страница 19: ...kette Disk not DOS format Format on a PC compatible computer DOS 3 0 and above Diskette damaged Replace diskette Poor quality diskette Use quality diskette Diskette drive damaged Replace diskette drive Fixture not available for patching Fixture library in console not up to date or corrupt Load latest library from library diskette No DMX output Incorrect patch Check patch Incorrect receiver address...

Страница 20: ...most all parts of the console can be damaged by physical abuse however there are a number of things that can be done to prevent this kind of damage Cover the console when not in use eg before after and between sets ALWAYS insert a diskette into the floppy disk drive when the console is to be transported This prevents damage to the drive mechanism Do not use spare audio lines for DMX cable If so th...

Страница 21: ... Out Two Desk Lamps VGA Inputs Keyboard AT type MIDI In Control channels 36 preset fader 360 24 preset fader 240 Data Protocol USITT DMX 512 1990 electrically conforms to RS485A Memory capacity 2Mbytes Disk Drive IBM format DOS 3 0 and above 1 44MB high density Desk Lamps 12 volt 5 watt x 2 maximum output 10W total Construction All steel chassis with lexan polycarbonate covered control surface Dim...

Страница 22: ...tion of a digital control signal Converter DIP Dual In line Package A device package format with 2 parallel rows of pins EL Electroluminescent A type of backlight that uses high voltage EPROM Erasable Programmable Read Only Memory A type of memory that is not intended to be re programmed in circuit FLASH Flash RAM A type of memory very much like EPROM but which is designed to be re programmed in s...

Страница 23: ...of time dependant upon the required output power RAM Random Access Memory Memory in which the data contained within can be accessed in any order The term RAM generally refers to memory that can be read and written to by the system ROM Read Only Memory Memory that cannot be changed by the system SMD Surface Mount Device A miniaturised leadless component mounted on the upper or lower surface of a ci...

Страница 24: ...Appendix A History of Modifications A 1 Revision 1 07 July 1999 Event 4 TECHNICAL MANUAL Appendix A History of Modifications Serial Number Modification ...

Страница 25: ... MANUAL Appendix B Connector Pinouts Front Panel Card Bus Connector View from component side Palette Assign Master Cards FDD Power Connector Main Power Connector CONN8 D0 GND D3 D4 GND D7 R W 5 MUX 12 5V GND GND NC GND D1 D2 GND D5 D6 5 ALE DS 12 5V GND 12V GND 5V 12V GND DIM ...

Страница 26: ...HG HDSEL RDATA WRTPRT TRK0 WGATE WDATA STEP DIR MTR1 DS0 DS1 MTR0 INDEX DRATE1 NC DENSEL GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND DMX1 DMX1 GND DMX2 DMX2 GND ACK 12v A2 A3 GND A6 A7 GND A10 A11 5 A14 A15 GND A18 IO GND R W D7 GND D4 D3 GND D0 INT A0 A1 12V A4 A5 GND A8 A9 GND A12 A13 5 A16 A17 GND NC RESET GND D6 D5 GND D2 D1 GND ...

Страница 27: ...ECTIONS PIN No FUNCTION 1 NC 2 GND 3 V DESK LAMP CONNECTOR MIDI CONNECTIONS PIN FUNCTION No IN OUT THRU 1 NC NC NC 2 NC SHIELD SHIELD 3 NC NC NC 4 IN OUT OUT 5 IN OUT OUT MIDI CONNECTOR KEYBOARD CONNECTIONS PIN No FUNCTION 1 KCLK 2 KDATA 3 NC 4 GND 5 5V KEYBOARD CONNECTOR 1 3 3 3 2 2 5 5 2 4 1 4 1 ...

Страница 28: ...L MANUAL DMX CONNECTIONS PIN No FUNCTION 1 SHIELD 2 SIGNAL 3 SIGNAL 4 NC 5 NC DMX CONNECTOR VGA CONNECTIONS PIN No FUNCTION 1 RED 2 GREEN 3 BLUE 4 NC 5 NC 6 RED RETURN 7 GREEN RETURN 8 BLUE RETURN 9 NC 10 GND 11 NC 12 NC 13 HSYNC 14 VSYNC 15 NC VGA CONNECTOR 5 3 4 1 11 6 2 1 ...

Страница 29: ...60mm Alps ZRS0200 Fader knob black white line ZZK0400 Fader knob black blue line ZZK0450 Fader knob black green line ZZK0460 Fader knob black red line ZZK0470 Fader knob black grey line ZZK0480 Encoder HRPG ZRP0450 Encoder knob ZZK1210 Switch Schadow SERU ZSW0450 Switchcap SRKL Schadow ZSC0050 Switch Cherry MX1A A1NW ZSW1500 Switchcap Cherry no LED window ZSC0500 Switchcap Cherry with LED window Z...

Страница 30: ...Appendix C Spare Parts C 2 Revision 1 07 July 1999 Event 4 TECHNICAL MANUAL Assign card complete YPC175 Master card complete YPC176 CPU card complete YPC174 ...

Страница 31: ...X2 output 4 5 FromMIDIoutput R6 220R R7 220R VCC 5 4 To MIDIInput VCC 5 4 FromKeyboard Input C1 100nF Appendix D DMX to MIDI adaptor A DMX to MIDI adaptor cable is required to run some of the Auxiliary tests contained in the Boot ROM The adaptor should be wired as shown DMX pin MIDI pin Detail 3 5 connect with 220R 0 25W 5 resistor 2 4 direct connection 1 2 direct connection Appendix E 2 x DMX MID...

Страница 32: ...Circuit Diagrams and Overlays F 1 Revision 1 07 July 1999 Event 4 TECHNICAL MANUAL Appendix F Circuit diagrams ...

Страница 33: ...Circuit Diagrams and Overlays F 2 Revision 1 07 July 1999 Event 4 TECHNICAL MANUAL EV4CPU1 Circuit diagrams ...

Страница 34: ...DIR 1 IC29 74HC245 R14 10K R30 47K L3 LED RED R7 1K VCC OC 1 CLK 11 1D 2 2D 3 3D 4 4D 5 5D 6 6D 7 7D 8 8D 9 1Q 19 2Q 18 3Q 17 4Q 16 5Q 15 6Q 14 7Q 13 8Q 12 IC30 74HC574 VCC R31 10R R32 4M7 VCC X1 32 768KHz R34 470K R8 1K C25 10nF R33 4M7 C26 22pF D0 5 D1 6 D2 7 D3 8 D4 9 D5 10 D6 12 D7 14 GND 15 CS 16 AS 17 DS 21 STBY 20 R W 19 RESET 22 MOT 2 SQW 27 PS 26 CLKOUT 25 CLKFS 24 OSC1 3 OSC2 4 IRQ 23 Vd...

Страница 35: ...4 5 6 7 8 IC51 75176 VCC VCC VCC VCC R41 220R R42 220R R112 220R R113 220R VCC D2 BAV103 VCC R114 220R R115 220R R57 47R R60 10R R44 10K R45 10K C28 1uF C29 1uF B1 Bead B2 Bead B4 Bead B3 Bead VCC VCC PolySwitch FDD MIDI KEYBOARD DMX1 DMX2 In Thru Out D24 D25 D26 D27 D28 D29 D30 D31 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 D 0 31 A 0 31 RESET R W RSTDRV D24 D25 D26 D27 D28 D29 D30 D31 D24 D25 D26 D27 D28 D29...

Страница 36: ...49 MA3 150 MA2 151 MA1 152 MA0 153 AVDD4 154 MFILTR 155 AVSS4 156 MCLK 157 XTAL 158 OSC 159 VSS13 160 VDD5 107 IC65 GD5429 C36 10pF R67 150R R68 150R R69 150R C37 10pF C38 10pF C17 100nF C24 10uF C33 1uF C18 100nF R75 10R R76 10R Video 1 GND 2 Vcc 4 OUT 3 IC66 14 31818MHz MD16 MD17 MD18 MD19 MD20 MD21 MD22 MD23 MD24 MD25 MD26 MD27 MD28 MD29 MD30 MD31 MA0 MA1 MA2 MA3 MA4 MA5 MA6 MA7 MA8 MA0 MA1 MA2...

Страница 37: ...Circuit Diagrams and Overlays F 3 Revision 1 07 July 1999 Event 4 TECHNICAL MANUAL EV4MAST3 Circuit diagrams ...

Страница 38: ... IC4 74HC245 A0 2 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 B0 18 B1 17 B2 16 B3 15 B4 14 B5 13 B6 12 B7 11 E 19 DIR 1 IC7 74HC245 A0 2 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 B0 18 B1 17 B2 16 B3 15 B4 14 B5 13 B6 12 B7 11 E 19 DIR 1 IC14 74HC245 C4 10uF R14 100K VCC VCC VCC VCC R38 10K R39 10K R40 10K R41 10K R42 10K R44 100K R45 100K R46 100K R47 100K R48 100K R49 100K C41 10nF C43 10nF C45 10nF R43 10K OC...

Страница 39: ...herry R63 100K S13A Cherry R64 100K S14A Cherry R65 100K S15A Cherry R86 100K S16A Cherry R87 100K S17A Cherry R88 100K S18A Cherry R89 100K S19A Cherry R90 100K S20A Cherry R91 100K S21A Cherry R92 100K S22A Cherry R93 100K S23A Cherry R94 100K S24A Cherry R95 100K S25A Cherry R96 100K S26A Cherry R97 100K S27A Cherry R98 100K S28A Cherry R99 100K S29A Cherry R100 100K S30A Cherry R101 100K S31A ...

Страница 40: ...Circuit Diagrams and Overlays F 4 Revision 1 07 July 1999 Event 4 TECHNICAL MANUAL EV4ASN3 Circuit diagrams ...

Страница 41: ...0820 VCC VCC A 1 B 2 C 3 E1 4 E2 5 E3 6 Y0 15 Y1 14 Y2 13 Y3 12 Y4 11 Y5 10 Y6 9 Y7 7 IC12 74HC138 OC 1 C 11 1D 2 2D 3 3D 4 4D 5 5D 6 6D 7 7D 8 8D 9 1Q 19 2Q 18 3Q 17 4Q 16 5Q 15 6Q 14 7Q 13 8Q 12 IC13 74HC573 VCC VCC C23 10uF R23 100k C24 10uF VCC S T 19 ML2261 LED0 LED1 SW3 SW2 100 300VAC TO BACKLIGHT 5 SELECT CARD DATA BUS CONTRAST GND ALEL R W DS D1 D7 D6 D5 D4 D3 D2 D0 ALEH 12 5 12 1 2 3 4 8 ...

Страница 42: ...00nF VCC C13 100nF VCC C14 100nF C15 100nF FADER1 10K C16 100nF FADER2 10K C17 100nF FADER3 10K C18 100nF FADER4 10K C19 100nF FADER5 10K C20 100nF FADER6 10K C21 100nF FADER7 10K C22 100nF FADER8 10K F 1 8 FADTOP FADGND L 1 8 LL 1 8 R4 1K R5 1K S1A SERU S1B SERU1 R6 1K R7 1K S2A SERU S2B SERU1 R8 1K R9 1K S3A SERU S3B SERU1 R10 1K R11 1K S4A SERU S4B SERU1 R12 1K R13 1K S5A SERU S5B SERU1 R14 1K ...

Страница 43: ...Circuit Diagrams and Overlays F 5 Revision 1 07 July 1999 Event 4 TECHNICAL MANUAL EV4PRE3 Circuit diagrams ...

Страница 44: ...R 1 IC10 74HC245 A0 2 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 B0 18 B1 17 B2 16 B3 15 B4 14 B5 13 B6 12 B7 11 E 19 DIR 1 IC11 74HC245 A0 2 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 B0 18 B1 17 B2 16 B3 15 B4 14 B5 13 B6 12 B7 11 E 19 DIR 1 IC12 74HC245 A 1 B 2 C 3 E1 4 E2 5 E3 6 Y0 15 Y1 14 Y2 13 Y3 12 Y4 11 Y5 10 Y6 9 Y7 7 IC13 74HC138 VCC VCC OC 1 C 11 1D 2 2D 3 3D 4 4D 5 5D 6 6D 7 7D 8 8D 9 1Q 19 2Q 18 3Q ...

Страница 45: ...2 3 2 1 4 11 IC17A TL074 R52 22k C50 10nF R64 4k7 S6B 3mm RED 12 13 14 IC17D TL074 R53 22k C51 10nF R65 4k7 S7B 3mm RED 10 9 8 IC17C TL074 R54 22k C52 10nF R66 4k7 S8B 3mm RED 5 6 7 IC17B TL074 R55 22k C53 10nF R67 4k7 S9B 3mm RED 12 12 3 2 1 4 11 IC18A TL074 R56 22k C54 10nF R68 4k7 S10B 3mm RED 12 13 14 IC18D TL074 R57 22k C55 10nF R69 4k7 S11B 3mm RED 10 9 8 IC18C TL074 R58 22k C56 10nF R70 4k7...

Страница 46: ...Circuit Diagrams and Overlays F 6 Revision 1 07 July 1999 Event 4 TECHNICAL MANUAL EV4PAL3 Circuit diagrams ...

Страница 47: ... 5Q 15 6Q 14 7Q 13 8Q 12 IC13 74HC573 5 10 15 20 3 8 13 18 4 9 14 19 1 6 11 16 2 7 12 17 20 15 10 5 19 14 9 4 18 13 8 3 17 12 7 2 16 11 6 1 9D 9E 9F 9F 9E 9D GND 1 D0 2 D1 3 GND 4 D2 5 D3 6 GND 7 D4 8 D5 9 GND 10 D6 11 D7 12 VCC 13 RW 14 ALEH 15 VCC 16 DS 17 ALEL 18 12 19 12 20 CONN1 20WAY LATCH HEADER DD0 DD1 DD2 DD3 DD4 DD5 DD6 DD7 12 12 VCC S1A R1 100K S2A R2 100K S3A R3 100K S4A R4 100K S5A R5...

Страница 48: ...Circuit Diagrams and Overlays F 7 Revision 1 07 July 1999 Event 4 TECHNICAL MANUAL BKLTSML2 Circuit diagrams ...

Страница 49: ...2 9582 0909 1 0 9 Jul 1999 H LAB EVENT4 CIRCUIT Bkltsml2 sch Title Size Number Date File Revision Sheet of A4 Small Backlight driver bkltsml0 Drawn By R1 100R R2 100R C1 10uF 12 C2 10uF 12 R3 10k 12 R4 220R Q1 BCX17 Q2 BCX19 R5 10k 12 100 300VAC TO BACKLIGHT INV1 Seiko 5C T1p U1p Output 1 Output 2 ...

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