68
DVD-3930/3930CI
TOP247Y (PD: IC901)
Tab Internally
Connected to
SOURCE Pin
1 C
3 X
2 L
5 F
4 S
7 D
SHUTDOWN/
AUTO-RESTART
PWM
COMPARATOR
CLOCK
SAW
HALF
FREQ.
CONTROLLED
TURN-ON
GATE DRIVER
CURRENT LIMIT
COMPARATOR
INTERNAL UV
COMPARATOR
INTERNAL
SUPPLY
5.8 V
4.8 V
SOURCE (S)
S
R
Q
DMAX
STOP SOFT-
START
-
+
CONTROL (C)
LINE-SENSE (L)
EXTERNAL
CURRENT LIMIT (X)
FREQUENCY (F)
-
+
5.8 V
1 V
IFB
RE
ZC
VC
+
-
LEADING
EDGE
BLANKING
÷
8
1
HYSTERETIC
THERMAL
SHUTDOWN
SHUNT REGULATOR/
ERROR AMPLIFIER
+
-
DRAIN (D)
ON/OFF
SOFT
START
DCMAX
VBG
DCMAX
VBG + VT
0
OV/UV
VI (LIMIT)
CURRENT
LIMIT
ADJUST
LINE
SENSE
SOFT START
LIGHT LOAD
FREQUENCY
REDUCTION
STOP LOGIC
OSCILLATOR WITH JITTER
Содержание DVD-3930
Страница 43: ...43 DVD 3930 3930CI BLOCK DIAGRAM...
Страница 51: ...51 DVD 3930 3930CI BD7956FS MA IC151 BD7956FS Block diagram 1 27 54 28...
Страница 57: ...57 DVD 3930 3930CI CXD2753R MA IC401 Pin Assignment Block Diagram...
Страница 67: ...67 DVD 3930 3930CI ADV7324 MA IC501 550...
Страница 72: ...72 DVD 3930 3930CI PRINTED WIRING BOARDS GU 3749 MAIN A VIDEO P W B UNIT COMPONENT SIDE...
Страница 73: ...73 DVD 3930 3930CI FOIL SIDE...
Страница 74: ...74 DVD 3930 3930CI GU 3750 POWER DISPLAY P W B UNIT COMPONENT SIDE...
Страница 75: ...75 DVD 3930 3930CI FOIL SIDE...
Страница 76: ...76 DVD 3930 3930CI GU 3751 AUDIO P W B UNIT COMPONENT SIDE...
Страница 77: ...77 DVD 3930 3930CI FOIL SIDE...
Страница 78: ...78 DVD 3930 3930CI GU 3752 DIGITAL VIDEO P W B UNIT COMPONENT SIDE...
Страница 79: ...79 DVD 3930 3930CI GU 3793 FAN POWER P W B UNIT FOIL SIDE COMPONENT SIDE FOIL SIDE...
Страница 151: ...151 DVD 3930 3930CI WIRING DIAGRAM...
Страница 154: ...154 DVD 3930 3930CI GU 3749 2 VIDEO P W B V6 V7 V8 V1 V2 V3 V4 V5...