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14.3. Power (F, P1, P3, P4, P5, P6, P7, P8 and P9 Board) Block Diagram
DRIVE VOLTAGE PROTECTOR PROCESS VOLTAGE PROTECTOR
P7 P8
P16 SOS IN
D601 D604 Q636 1 Q750 IC750 Q775 IC775 VCC
IC751
Q751 COMPARATO Q776 COMPARATO
IC635 10 4 3 6 7 1 7 4 3 2 1 6
P21 P22 P26 To C72
6 FB 2 VDA
5 15V
Q601 D606 Q635 8 VSUS VSUS 15V VSET -15Vs 5V P27
AC IN G D VBK VDA 15Vs 13.5V 1 VDA
AC INLET IC601 IC602 Q408 SOS 5 15V
Q414 L411
P15 Q409 T400 D487 P1 To SS1
3 14 6 L 4 4
Q402 S L434
T404 Q412 2 5
H 2 6 2 VSUS
Q410 D FULL
3 6 3
WAVE +
OSC. D RECTIFIER
4
IC600 Q403 IC410 VBK
T405 Q413 9 12
R513
F1 S
8 11 6 H 2 8 Q411 10 13
IC406
F901 F900 T401 9 VDA
Q406 R528 VDA75V
L 4 10 Q415 10 15V
Q407 D Vcc
P3 G
1 VSET
LINE 13 STOP D444 15V P2 To SC1
IC412
FILTER 1 2 6 15V
DC400V AVR
F 2 VSUS
RL401 D402 +
3
P9 POWER FACTOR CONTROL 230V_Model 110V_Model 4
1 5 F9 D441 +15V
3 L402 D432 5 VBK
RL400 FULL +
WAVE
For Audio
P6 To DG6
1 RECTIFIER -15V 1 +15V
L401 D407 +
3 -15V
D D 7 5V
Q419 G Q425 G D442
Q404 Q423 4 MUTE
Q400 Q401 13.5V
Q416
S S +
P17 To DG17
Q405 Q424
D443 IC407 5V
D
1 2 5 5V
2 G AVR
G D 8 3.65V
T402 9 3.65V
3 IC400
STOP IC411 12V P10-P13 1 13.5V
1 P19 8 4 5 7 11 P42 3 1 P41 1 AVR 2 1 To
OCP Start 4 FAN
D440 D439 D431 DC400V
Vscan Q429 3 FAN
7 4 3 12
IC735 IC737 F15V
+ + PFC IC736 11 P5 To D5
7 6 5
Q730 OSC. 1 13.5V
3 5 Vad P9_1 P29
10 P29 5 5V
IC921 1 25v 3.65v 5 9 3.65V
1 230V IC981
PROTECT STOP 2 6 8
T921
IC403 5 1 P18 Q932 Q926 11 3.65V
Q417 110V P6 Q933 Q927
AVR 12
P19 9 Q650 IC931 IC934
5 1 25v 3.65v 5
STB 5V Q651 IC981
Q418 2 6
PROTECT IC932
P30 P30
8
P4 P9_2 P7 To D7
Q421 D430 7 SOS
6 IC650
P43 6 5 4 2 ON/OFF
OSC.
P5 4 STB5V
MAIN POWER SWITCH ON/OFF
P8 To SS8
1
2
MAIN
ON/OFF From MICRO SWITCH
96