Pin
No.
Symbol
Description
1
Z/C
Trigger input terminal.
Zero detection voltage: 0.25V
It becomes less than 3V, the mode
turns to standby.
2
F/B
Bias current feedback input terminal.
Switching ON time (min.) ~ (max.)
1.5V ~ 4.5V / 0
sec. ~ 25
sec.
In standby mode
Oscillation stops:less than 0.8V
Oscillation starts: over 1.8V
3
GND
GND terminal
4
Vcc
Power terminal of IC.
Oscillation starting voltage: Vcc =
and over 14.5V
Oscillation stop voltage: Vcc = and
less than 9.6V
Over voltage latching voltage: Vcc =
20V
5
Drain Drain terminal for Main switching
material.
3. Startup Circuit
When power is turned on, input voltage of the Switching Transformer is supplied to IC1150 as the
startup power.
7
Содержание DMR-E55PC
Страница 32: ...13 2 Checking and Repairing of Main P C B 32 ...
Страница 33: ...13 3 Checking and Repairing of Digital P C B 33 ...
Страница 34: ...13 4 Checking and Repairing of DVD RAM Drive 34 ...
Страница 44: ...21 2 Casing Parts Mechanism Section 2 44 ...
Страница 45: ...21 3 Packing Accessories Section 45 ...
Страница 54: ...JK3904 K1U415B00001 JACK L2 1 54 ...
Страница 66: ......
Страница 79: ...1 A B C D 2 3 4 5 6 7 8 9 FRONT R P C B DMR E55P PC FRONT R P C B REP3713A ...
Страница 81: ...Ref No MODE E C B REC 0 3 5 0 PLAY 0 3 5 0 STOP 0 3 5 0 QR7801 ...
Страница 86: ...1 A B C 2 3 4 Location Map REAR DMR E55P PC Main P C B REP3662B 1 4 Section FRONT 1 4 2 4 3 4 4 4 ...
Страница 87: ...5 6 7 8 Location Map REAR DMR E55P PC Main P C B REP3662B 2 4 Section FRONT 1 4 2 4 3 4 4 4 ...
Страница 88: ...D E F MAIN P C B Location Map REAR DMR E55P PC Main P C B REP3662B 3 4 Section FRONT 1 4 2 4 3 4 4 4 ...
Страница 89: ...Location Map REAR DMR E55P PC UP Main P C B REP3662B 4 4 Section FRONT 1 4 2 4 3 4 4 4 ...