78
DVD-2910/955
TOP245Y (IC901)
BD4730G (IC319)
Tab Internally
Connected to
SOURCE Pin
1 C
3 X
2 L
5 F
4 S
7 D
PI-2639-060600
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
5
4
1
2
3
TOP
VIEW
V
CC
V
OUT
GND
µ
COM RESET
Vref
5
4
3
Содержание DVD-2910
Страница 29: ...29 DVD 2910 955 BLOCK DIAGRAM ...
Страница 48: ...48 DVD 2910 955 CXD2753R IC602 Pin Assignment Block Diagram ...
Страница 79: ...79 DVD 2910 955 TA76432FC IC902 PC123 IC909 COLLECTOR EMITTER ANODE CATHODE TOP VIEW ...
Страница 81: ...81 DVD 2910 955 PRINTED WIRING BORDS GU 3612 MAIN PWB P W B UNIT ASS Y COMPONENT SIDE ...
Страница 82: ...82 DVD 2910 955 GU 3612 MAIN PWB P W B UNIT ASS Y FOIL SIDE ...
Страница 83: ...83 DVD 2910 955 GU 3615 VODEO P W B UNIT ASS Y COMPONENT SIDE ...
Страница 84: ...84 DVD 2910 955 GU 3615 VODEO P W B UNIT ASS Y FOIL SIDE ...
Страница 85: ...85 DVD 2910 955 GU 3616 AUDIO POWER P W B UNIT ASS Y COMPONENT SIDE ...
Страница 86: ...86 DVD 2910 955 GU 3616 AUDIO POWER P W B UNIT ASS Y FOIL SIDE ...
Страница 117: ...DVD 2910 955 117 GU 3615 1 VIDEO P W B V6 V7 V8 V1 V2 V3 V4 V5 ...