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7. Schematic Diagrams
7-1 All block Diagram ----------------------------------------------------------------------------------------7-2 7-2 Power------------------------------------------------------------------------------------------------------------7-3 7-3 S.M.P.S (S.M.P.S PCB) ----------------------------------------------------------------------------------7-5 7-4 SMP8634 DDR SDRAM (Main PCB) -------------------------------------------------------------7-6 7-5 SMP8634 Flash Memory (Main PCB) ----------------------------------------------------------7-7 7-6 Nand Flash, Controller (Main PCB) -------------------------------------------------------------7-8 7-7 SMP8634 Power, Decoupling (Main PCB) --------------------------------------------------7-9 7-8 Sil9134 HDMI (Main PCB) --------------------------------------------------------------------------7-10 7-9 HDMI-CEC (Main PCB) --------------------------------------------------------------------------------7-11 7-10 Ethernet contol (Main PCB) --------------------------------------------------------------------7-12 7-11 Audio (Main PCB) -------------------------------------------------------------------------------------7-13 7-12 SMP8634 GPIO Control, JTAG, Debug (Main PCB) ---------------------------------7-14 7-13 MM1757 Analog Video Out (Main PCB) --------------------------------------------------7-15 7-14 PATA Control (Main PCB) -------------------------------------------------------------------------7-16 7-15 Power (Main PCB) ------------------------------------------------------------------------------------7-17 7-16 PCI, ETC (Main PCB) ---------------------------------------------------------------------------------7-18 7-17 Front Interface (Main PCB) ---------------------------------------------------------------------7-19 7-18 Front (Front PCB) -------------------------------------------------------------------------------------7-20 7-19 Power Key (Power Key PCB) -------------------------------------------------------------------7-21
Samsung Electronics This Document can not canusedbe used without Samsung's authorization This Document be not without Samsung's authorization 7- 7- For schematic Diagram - Resistors are in ohms, /8W unless otherwise noted. Special note : Most semiconductor devices are electrostatically sensitive and therefore require the special handling techniques described under the "electrostatically sensitive (ES) devices" section of this service manual. Note : Do not use the part number shown on this drawing for ordering. The correct part number is shown in the parts list (may be slightly different or amended since this drawing was prepared). Important safety notices : Components identified with the mark components. Use only the same type.

Note

have the special characteristics for safety. When replacing any of these

Schematic Diagrams

7-1 All block Diagram

7-

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Schematic Diagrams

7-2 Power
7-2-1 About S.M.P.S (Ringing Choke Converter Method)
u Terms 1)1st:Commonpowerinputto1stwinding. 2)2nd:Circuitfollowingsoutputwindingoftransformer. 3)f(Frequency):Switchingfrequency(T:Switchingcycle) 4)Duty:(Ton/T)x100 (b)SNUBBERCircuit: RIS02,RIS03,CIS08,CIS07,DIS05 1)Preventresidualhighvoltageattheterminalsof switchduringswitchoff/Suppressnoise. Highinvertedpoweroccursatswitchoff, becauseofthe1stwindingoftransformer: (V=-L1xdi/dt.L1:LeakageInduction) Averyhighresidualvoltageexistonbothterminals ofICIS01becausedtisaveryshort. 2)SNUBBERcircuitprotectsICIS01fromdamage throughleakagevoltagesuppressionbyRC, (ChargestheleakagevoltagetoDIS05andCIS08 anddischargestoRIS03,RIS02). 3)CIS07:Fornoiseremoval

7-2-2 Circuit description [FLY-Back RCC(Ringing Choke Converter)] Control
(a) AC Power Rectification/Smoothing Terminal 1) A01~04 : Convert AC power to DC (Wave rectification). 2)CIS01:SmooththevoltageconvertedtoDC. 3)LIS01,LISO2,CIS04,CIS05:Noiseremovalatpowerinput/output. 4)RIS04:Rushcurrentlimitresistanceatthemomemtofpowercordinsertion. ·WithoutPLRU1,thebridgediodemightbedamagedastherushcurrentincreases.

Fig. 7-2 (c)IC1S01Vcccircuit 1)ICIS01,RIS05,RIS07,RIS08:ICIS01drivingresistance(ICIS01worksthroughdrivingresistanceatpower cordin) Fig. 7-1 2)ICIS01Vcc:RIS05,RIS07,RIS08 q Use the output of transformer as Vcc,because the current starts to flow into transformer while ICIS01 is active wRectifytoDIS07andsmoothtoCIS09. eUsetheoutputoftransformerasICIS01Vcc:TheloadsaredifferentbeforeandafterICIS01driving. (VccofICIS01decreasesbelowOFFvoltage,usingonlytheresistanceduttolodeincreaseafterICIS01 driving.)

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7-

Schematic Diagrams (d)FeedbackControlCircuit

Fig. 7-3 1)F/BterminalofPQIZ1determinesoutputdutycyle. 2)C-E(Collector-Emitter)ofPQIZ1andF/BpotentialofPQIZ1aresame.

7-2-3 Internal Block Diagram (Internal Block Diagram of S.M.P.S Circuit)

Fig. 7-4 7- This Document can not be used without Samsung's authorization Samsung Electronics

Schematic Diagrams

7-3 S.M.P.S (S.M.P.S PCB)

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7-

Schematic Diagrams

7-4 SMP8634 DDR SDRAM (Main PCB)

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Schematic Diagrams

7-5 SMP8634 Flash Memory (Main PCB)

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7-7

Schematic Diagrams

7-6 Nand Flash, Controller (Main PCB)

7-8

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Schematic Diagrams

7-7 SMP8634 Power, Decoupling (Main PCB)

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7-

Schematic Diagrams

7-8 Sil9134 HDMI (Main PCB)

qHDMI OUTPUT DATA HIC (pin0,,,,,7,,0)

u These are the waveforms of BD-P1400

Caution There can be some differences (Voltage, Frequency, stc.) among cameras.

wDigital Video signal
MIC (HRN~HRN)

7-0

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Schematic Diagrams

7-9 HDMI-CEC (Main PCB)

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7-

Schematic Diagrams

7-10 Ethernet contol (Main PCB)

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Schematic Diagrams

7-11 Audio (Main PCB)

qDIGITAL AUDIO DATA
AIC (Pin,,,)

ANALOG AUDIO DATA(AIC,,,7)

u These are the waveforms of

BD-P1400 Caution There can be some differ ences (Voltage, Frequency, stc.) among cameras. 7-

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Schematic Diagrams

7-12 SMP8634 GPIO Control, JTAG, Debug (Main PCB)

wUX7 _CLOCK SIGNAL (7MHz)

u These are the waveforms of

BD-P1400 Caution There can be some differ ences (Voltage, Frequency, stc.) among cameras. Samsung Electronics

7-

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Schematic Diagrams

7-13 MM1757 Analog Video Out (Main PCB)

u These are the waveforms of BD-P1400

Caution There can be some differences (Voltage, Frequency, stc.) among cameras.

qY(Color-bar) Pin (MIC-VE,VR7)
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wPb(Color-bar) Pin (MIC-VE7,VR)

ePr(Color-bar) Pin (MIC-VE8,VR)

rY(Color-bar) Pin (MIC-VC,VIC-VR7)

tC(Color-bar) Pin (MIC-VC,VIC-VR)

yCVBS(Color-bar) Pin (MIC-VC,VIC-VR)
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Schematic Diagrams

7-14 PATA Control (Main PCB)

qFCON1 PIN 25

u These are the waveforms of BD-P1400

Caution There can be some differences (Voltage, Frequency, stc.) among cameras.

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Schematic Diagrams

7-15 Power (Main PCB)

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7-7

Schematic Diagrams

7-16 PCI, ETC (Main PCB)

7-8

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Schematic Diagrams

7-17 Front Interface (Main PCB)

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Schematic Diagrams

7-18 Front (Front PCB)

Power

qRemote control eye data
FU3 Pin3

u These are the waveforms of BD-P1400

Caution There can be some differences (Voltage, Frequency, stc.) among cameras. Samsung Electronics

7-0

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Schematic Diagrams

7-19 Power Key (Power Key PCB)

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Schematic Diagrams

MEMO

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