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Circuit Operating Descriptions
Samsung Electronics
13-3
1) F/B terminal of PQIZ1 determines output duty cyle.
2) C-E (Collector-Emitter) of PQIZ1 and F/B potential of PQIZ1 are same.
13-1-3 Internal Block Diagram (Internal Block Diagram of S.M.P.S. Circuit)
Smoothing
Circuit
Rectified Circuit
Line Filter
Power IN
(110V)
Noise
Removal
(SNUBBER)
PWM Control
Circuit
(ICE3B2065
P
)
Converter
Voltage
Detection
Circuit
3.0V Rectified
Smoothing Circuit
5.4V Rectified
Smoothing Circuit
12V Rectified
Smoothing Circuit
3.3V Rectified
Smoothing Circuit
12V Rectified
VoltageCircuit
5V Rectified
VoltageCircuit
O
U
T
P
U
T
33V Rectified
Smoothing Circuit
Fig. 13-4
Содержание DVD-R130/XAA
Страница 4: ...14 Reference Information 14 1 14 4 14 1 About IEEE 1394 14 1 CONTENTS ...
Страница 10: ...Precautions 1 6 Samsung Electronics MEMO ...
Страница 22: ...Product Specification 2 12 Samsung Electronics MEMO ...
Страница 49: ...Samsung Electronics 6 1 6 Exploded View and Parts List 6 1 Cabinet Assembly Page 6 2 ...
Страница 52: ...Exploded Views and Parts List 6 4 Samsung Electronics MEMO ...
Страница 73: ...Samsung Electronics 9 1 9 Wiring Diagram ...
Страница 74: ...Wiring Diagram 9 2 Samsung Electronics MEMO ...
Страница 76: ...PCB Diagrams 10 2 Samsung Electronics 10 1 Main PCB AIC1 DIC7 RIC1 DIC2 RIC2 DIC3 AIC2 COMPONENT SIDE ...
Страница 77: ...PCB Diagrams Samsung Electronics 10 3 FIC1 DIC5 DIC4 VIC1 CONDUCTOR SIDE ...
Страница 79: ...PCB Diagrams Samsung Electronics 10 5 IC703 IC603 IC601 IC203 IC702 VIC1 IC604 AIC4 IC701 CONDUCTOR SIDE ...
Страница 80: ...PCB Diagrams 10 6 Samsung Electronics 10 3 Key PCB COMPONENT SIDE CONDUCTOR SIDE ...
Страница 81: ...PCB Diagrams Samsung Electronics 10 7 10 4 Sub PCB COMPONENT SIDE CONDUCTOR SIDE ...
Страница 82: ...PCB Diagrams 10 8 Samsung Electronics MEMO ...
Страница 114: ...Operating Instructions 12 18 Samsung Electronics MEMO ...
Страница 130: ...Circuit Operating Descriptions 13 16 Samsung Electronics MEMO ...
Страница 134: ...Reference Information 14 4 Samsung Electronics MEMO ...