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2
1
7
3
5
NORMAL : HI
RESET
: LO
RES
Microcomputer
C524
C522
C521
R551
IC521
0V
R552
5V
The reset circuit initializes the microcomputer program when power is ON or OFF.
Low voltage at pin 7 resets the microcomputer and Hi activates the microcomputer.
When power “ON” 5V voltage rises and reaches 4.4V, pin 1 of IC521 is set to “Hi”. At this time the microcomputer
starts operation.
When power “OFF” voltage drops and reaches 4.2V, pin 1 of IC521 is set to “Low”. This will RESET the
microcomputer.
Power "OFF"
Power "ON"
Reset enter at 4.2V
Reset release at 4.4V
Voltage
Voltage
Voltage supply to
pin 2 of IC521
Voltage at pin 7
of microcomputer
5.0V
Fig. 2-2
Fig. 2-1
5.0V
- 75 -
2. Reset Circuit
Содержание RAC-35NX2
Страница 2: ... JZ Z DANGER ...
Страница 3: ... _ b c b b c d b b c b j c c q c c _ u v Z c b ZZ d _ d d _q c d c b c w x c y J _ _ d _ _ DANGER 2 ...
Страница 39: ... q q _ q C O N T R O L P W B q G J q Z q q q j J G q G G RAF 35NX2 RAC 35NX2 OUTDOOR UNIT 38 ...
Страница 44: ... 43 MODEL AX 8T11 SELF CHECK SELF MODE SERVICE SW PQ1 PQ2 PQ401 PQ402 PQ403 PQ404 PQ701 RED RED RED RAC 35NX2 ...
Страница 45: ... 44 AX 8T11 SELF CHECK SELF MODE SERVICE SW PQ1 PQ2 PQ401 PQ402 PQ403 PQ404 PQ701 RED RED RED RAC 35NX2 ...
Страница 49: ... 48 button MODEL RAF 35NX2 BASIC MODE 29 31 31 31 35 33 ...
Страница 53: ... Q k k k k k k k k k k C L MX T P Q Q 1 k k k k k k k k k k Q Q Q Q Q Q Q k k Q k k k k Q k k Q Q 52 ...
Страница 57: ... k k k kQ Q Q Q Q k k k k Q Q k k Q Q Q Q Q Q Q Q 56 ...
Страница 59: ... k k re re Q Q Q Q k kQ k kQ k k Q Q Q Q Q Q k k k kQ k k Q k kQ Q Q Q Q k k k k k k 58 ...
Страница 62: ...SUCTION TANK SUCTION TANK 61 ...
Страница 63: ... 2 6 ...
Страница 64: ... 63 ...
Страница 66: ... 8 0 5 5 5 7 78 65 ...
Страница 67: ... 9 B D D 5 7 78 66 ...
Страница 68: ... E G E G E G 8 5 5 8 5 5 7 67 ...
Страница 69: ... JE DK JE DK JE DK 5 5 L 8 5 5 7 68 ...
Страница 70: ... 5 5 7 D 69 ...
Страница 71: ... 5 5 7 Q B Q B 70 ...
Страница 72: ...D 8 T 7 D W T 71 ...
Страница 73: ... 5 T X 5 X Y X 7 X W 5 T Z X 0 Z 9 8 72 ...
Страница 80: ... 7 G B X 78 8 5 J 0 0 K 78 5 L5DjD L_ E 0 5 5 L55 8 8 _ K 7 7 5 T 5 Fig 4 1 Fig 5 1 4 Fig 4 2 5 79 ...
Страница 130: ... Z Z _Z Z _Z Z RA RAC F 35NX2 35NX2 129 ...
Страница 131: ... Z _Z Z _Z RA RAC F 35NX2 35NX2 130 ...
Страница 132: ... Z 131 ...
Страница 133: ... Z 132 ...
Страница 134: ... Z 133 ...
Страница 135: ... 134 ...
Страница 136: ... 135 ...
Страница 137: ... 136 ...
Страница 142: ... 141 ...
Страница 143: ... _ 14 2 ...
Страница 144: ... 1 RAF 35NX2 143 ...
Страница 150: ... ª CN11A CN6 CN4 CN3 CN1 CN10 CN7 CN16 561 820 MODEL RAF 35NX2 RAC 35NX2 149 ...
Страница 154: ... 0 45 6 65 0 1 45 5 450 1 0 69 0 153 ...
Страница 155: ... 0 45 6 65 8 5 8 0 5 8 8 5 5 5 45 5 4 50 0 6 9 7 7 7 7 7 7 7 7 154 ...
Страница 156: ... 0 9 0 1 0 0 45 65 5 4 6 4 6 0 6 澎 潦 2 3 4 155 ...
Страница 157: ... 0 9 0 5 5 0 0 4 5 6 5 5 5 7 7 7 4 6 4 6 0 7 6 7 7 7 8 8 澎 潦 2 3 4 156 ...
Страница 159: ... 0 5 5 8 7 9 0 5 30 6 5 0 5 8 0 4 5 5 4 5 4 5 6 5 7 7 7 7 7 158 ...
Страница 160: ... 4 7 7 0 7 77 0 7 7 0 4 8 0 7 7 4 0 7 7 7 0 7 7 0 7 9 7 0 159 ...
Страница 161: ...9 8 4 9 7 0 9 9 77 0 9 0 9 8 4 8 0 9 9 4 0 9 9 9 9 0 9 0 8 8 8 8 0 8 8 160 ...
Страница 176: ... 7 66 66 7 6 0 4 6 7 0 6 7 66 66 0 66 66 2 7 6 7 6 0 2 7 7 2 0 7 0 6 0 6 7 6 0 2 7 7 0 6 0 0 6 7 6 0 175 ...
Страница 194: ...AW NO 0035EF RAF 35NX2 RAC 35NX2 ...