Min 1.16V/ Max 1.24V
For silicon Tuner Supply
FOR DEMOD IC SUPPLY
300mA
LO=>PS POWER OFF
LO=>LVDS POWER OFF
HI=>PS POWER ON
BACKLIGHT DIMMING ADJUST
173mA
POWER & BACKLIGHT CONTROL
PANEL POWER SUPPLY
SWITCH POWER
DDR POWER
STANDBY POWER SUPPLY
MS306*PB
12V TO 5VAIN CIRCUIT
SYSTEM POWER(2/8)
VCC=0.8(1+R007/(R008+R009))=5.18V
(Vin=2.5V-5.5V)
Fixed OCP=4.2A
Fixed Fsw=1.2MHZ
For timing sequence
CORE POWER
If Vout=1V Set R016=150K R017=4.7K R018=220K
If Vout=1.2V Set R016=150K R017=0R R018=150K
If Vout=1.5V Set R016=150K R017=8.2K R018=91K
If Vout=1.8V Set R016=150K R017=6.2K R018=68K
VCC=0.6(1+R016/(R018+R017))=1.2V
L002
5VSTB
C048
1000P
NC
NC
R010
0R
C006
15P
R007
R006
33K
C011
R011
C041
R030
+3V3STB
R028
10K
NC
R004
R001
C005
L001
10U
10U
U003
AS1117-3.3
R024
U004
Q004
BT3904
Summary of Contents for TH-40C200DX
Page 33: ......