Sharp GX20 Service Manual - Page 146

Ic210 Vhir3112q26-1l R3112q261a: Voltage Detector

Get Sharp GX20 PDF manuals and user guides View all Sharp GX20 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 146 highlights

GX20 CONFIDENTIAL IC210 VHIR3112Q26-1L (R3112Q261A): VOLTAGE DETECTOR Pin No. 1 2 3 4 Terminal name VDD GND CD OUT Input/Output - - Input Output Description of terminal Power supply Ground External condenser connection terminal for delay Output terminal (L: when output is detected, H: when output is cancelled) VDD 1 RD + - VREF 4 OUT IC301 VHITC7WH04K-1R (TC7WH04FK): LOGIC Pin No. 1 2 3 4 5 6 7 8 Terminal name 1A 3Y 2A GND 2Y 3A 1Y VCC Input/Output Input Output Input - Output Input Output - Input 1 Output 3 Input 2 Ground Output 2 Input 3 Output 1 Power supply 2 GND 3 CD Description of terminal VCC 1Y 3A 2Y 8 76 5 1 23 4 1A 3Y 2A GND (TOP VIEW) IC302 VHINJ287130-1L (NJM2871F03): 3.0 V REGULATOR Pin No. 1 2 3 4 5 Terminal name CONT GND NB VOUT VIN Input/Output Input - - Output Input Control Ground Noise bypass Output Input Description of terminal VIN 5 CONT 1 GND 2 Thermal Protection 4 VOUT 3 NB Bandgap Reference 6 - 14

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
GX20
6 – 14
CONFIDENTIAL
IC210 VHIR3112Q26-1L (R3112Q261A): VOLTAGE DETECTOR
IC301 VHITC7WH04K-1R (TC7WH04FK): LOGIC
IC302 VHINJ287130-1L (NJM2871F03): 3.0 V REGULATOR
Pin No.
Terminal name
Input/Output
Description of terminal
1
VDD
–
Power supply
2
GND
–
Ground
3
CD
Input
External condenser connection terminal for delay
4
OUT
Output
Output terminal (L: when output is detected, H: when output is cancelled)
Pin No.
Terminal name
Input/Output
Description of terminal
1
1A
Input
Input 1
2
3Y
Output
Output 3
3
2A
Input
Input 2
4
GND
–
Ground
5
2Y
Output
Output 2
6
3A
Input
Input 3
7
1Y
Output
Output 1
8
VCC
–
Power supply
Pin No.
Terminal name
Input/Output
Description of terminal
1
CONT
Input
Control
2
GND
–
Ground
3
NB
–
Noise bypass
4
VOUT
Output
Output
5
VIN
Input
Input
4
1
VDD
GND
RD
OUT
VREF
+
-
2
CD
3
8
7
6
5
1
2
3
4
1A
3Y
2A
GND
(TOP VIEW)
VCC
1Y
3A
2Y
5
1
2
VOUT
NB
4
3
Bandgap
Reference
Thermal
Protection
VIN
CONT
GND