– 112 –
7.
Waveform with Oscilloscope
Non : For parallel type (Ver. 1)
(
) : For parallel type (Ver. 1.5)
[
] : For commodore type
(1) Crystal (10 MHz)
(2) RESET (Power on reset)
Crystal
Pin 30 of IC5
Upper
: RESET input
Pin 4 of IC6
(Pin 30 of IC1)
(Pin 4 of IC6)
[Pin 30 of IC5]
[Pin 4 of IC6]
Time/Div : 0.2
µ
s
Lower
: RESET output Pin 5 of IC6
Volt/Div
: 1V
(Pin 5 of IC6)
[Pin 5 of IC6]
Time/Div : 10 ms
Volt/Div
: 2V
(3) Protection Circuit
(4) Head Energizing Control Signal
Upper
: RESET
Pin 5 of IC6
Upper
: HD-EN
Pin 1 of IC1
(Pin 5 of IC6)
(Pin 57 of IC4)
[Pin 5 of IC6]
[Pin 1 of IC2]
Lower
: WD OUT
Pin 59 of IC5
Lower
: HD1 Data
Pin 42 of IC1
(Pin 59 of IC1)
(Pin 40 of IC4)
[Pin 59 of IC5]
[Pin 42 of IC2]
Time/Div : 5 ms
Time/Div : 0.2 ms
Volt/Div
: Upper 2V
Volt/Div
: 2V
Lower 1V
(5) Print Head Control Signal and Waveform
(6) Carriage Motor Common Control Signal and
Diving Signal
Upper
: HD1 Data
Pin 42 of IC1
Upper
: CR-CMN Control Signal
Pin 21 of IC5
(Pin 40 of IC4)
(Pin 21 of IC1)
[Pin 42 of IC2]
[Pin 21 of IC5]
Lower
: HD 1
Pin 1 of CN8
Lower
: CR-CMN Driving Signal
Pin 1 of CN6
(Pin 1 of CN8)
(Pin 1 of CN6)
[Pin 1 of CN9]
[Pin 1 of CN7]
Time/Div : 0.5 ms
Time/Div : 0.5 ms
Volt/Div
: Upper 5V
Volt/Div
: Upper 2V
Lower 20V
Lower 20V
Summary of Contents for lC-10
Page 1: ...DOT MATRIX PRINTER NX 1000SERIES LC 10SERIES TECHNICAL MANUAL NINTH EDITION ...
Page 5: ... 2 GENERAL SPECIFICATIONS ...
Page 9: ... 6 GENERAL SPECIFICATIONS Fig 1 1 External Dimensions ...
Page 11: ... 8 GENERAL SPECIFICATIONS Fig 1 3 Diagram of Internal Composition ...
Page 17: ... 14 THEORY OF OPERATION ...
Page 33: ...ADJUSTMENTS 30 ...
Page 39: ...PARTS REPLACEMENT 36 ...
Page 49: ... 46 ...
Page 53: ... 50 ...
Page 55: ... 58 REPLACEMENT AND ADJUSTMENT OF PARTS ...
Page 69: ... 66 ...
Page 71: ... 68 1 Printer Assembly Ver 1 and 1 5 1 1 Disassembly Drawing ...
Page 74: ... 71 2 Printer Mechanism Ver 1 and 1 5 2 1 Disassembly Drawing ...
Page 79: ... 76 3 3 2 Colour Type ...
Page 83: ... 80 4 Wiring Scheme of Printer Ver 1 and 1 5 4 1 Parallel Type WIRING SCHEME ...
Page 84: ... 81 4 2 Commodore Type WIRING SCHEME ...
Page 85: ... 82 5 Main Logic Board Ver 1 and 1 5 5 1 Parallel Type Ver 1 5 1 1 Component Layout A Board ...
Page 86: ... 83 B Board ...
Page 90: ... 87 Blank Page ...
Page 91: ... 88 5 1 3 Circuit Diagram Ver 1 ...
Page 92: ... 89 ...
Page 93: ... 90 ...
Page 94: ... 91 ...
Page 95: ... 92 5 2 Parallel Type Ver 1 5 5 2 1 Component Layout A Board ...
Page 96: ... 93 5 2 1 Component Layout B Board ...
Page 100: ... 97 Blank Page ...
Page 101: ... 98 5 2 3 Circuit Diagram Ver 1 5 ...
Page 102: ... 99 ...
Page 103: ... 100 ...
Page 104: ... 101 ...
Page 105: ... 102 5 3 Commodore Type 5 3 1 Component Layout A Board ...
Page 106: ... 103 5 3 1 Component Layout B Board ...
Page 109: ... 106 5 3 3 Circuit Diagram ...
Page 110: ... 107 ...
Page 111: ... 108 ...
Page 112: ... 109 ...
Page 113: ... 110 6 Power Supply Unit Ver 1 and 1 5 6 1 Circuit Diagram 6 2 Component Layout ...
Page 117: ... 114 ...
Page 119: ... 116 1 Printer Assembly 1 1 Disassembly Drawing ...
Page 122: ... 119 2 Printer Mechanism 2 1 Disassembly Drawing ...
Page 129: ... 126 4 Wiring Scheme of Printer Ver 2 ...
Page 130: ... 127 5 Main Logic Board Ver 2 5 1 Component Layout ...
Page 134: ... 131 Blank Page ...
Page 135: ... 132 5 3 Circuit Diagram Ver 2 ...
Page 136: ... 133 ...
Page 137: ... 134 ...
Page 138: ... 135 ...
Page 139: ... 136 6 Power Supply Unit Ver 2 6 1 Circuit Diagram 6 2 Component Layout ...
Page 143: ... 140 ...
Page 145: ... 142 ...
Page 148: ... 145 9 Transistor 2SD1637 10 Transistor 2SD2010 ...
Page 149: ... 146 ...
Page 150: ......