LG-LHT751_3SB-cdr-sm 维修电路原理图.pdf

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1、DVD/CD & KARAOKE RECEIVERSERVICE MANUALMODELS : LH-T550,1,2,3SB Speakers: LHS-55SBC, LHS-55SBS, LHS-55SBW MODELS : LH-T550X,TK550X Speakers: LHS-55SBC, LHS-55SBS, LHS-55SBW MODELS : LH-T751,3SB Speakers: LHS-75SBC, LHS-75SBS, LHS-75SBW LH-T550,1,2,3SB/LH-T550X,TK550XLH-T751,3SBMODELS : LH-T550,1,2,3

2、SB/LH-T550X,TK550X/LH-T751,3SBSERVICE MANUALP/NO : 3829RGP017HAPRIL, 2005Printed in KoreaRadioFans.CN 收音机爱 好者资料库2-42-5WIRING DIAGRAMWIRELESSOPTICALINSCART JACKOPTION SWAV1,2COMPONENTMONITOR OUTS-VIDEO OUTTUNERSPEAKER TERMINALMAIN PCBAMP PCBSMPS PCBMDFRONT PCBFRONT PCBMIC&USB PCBVFDH/P JACKUSB JACKMI

3、CJACKMICJACKCN001PN005CN350PN8016PIN5PIN23PIN11PIN24PIN23PIN14PIN14PIN30PINPN103PN104PN001PN002PN902PN303PDM01PDM03PN105PN302RadioFans.CN 收音机爱 好者资料库2-62-7BLOCK DIAGRAMAudio s/wBu 4052ADCCS 5340Fs = 48kHzFxDITCS 8406(slave)PS 9818(PWM)Video S/WNJM 2279out(CVBS-S/W)+SlideS/WVideoS/WNJM2279(Y-S/W)USB C

4、ontrollerALCBA 3308CS 5340ADCDVD BLOCK(ES 6698)Mic Volume : OSD CTLMIC1MIC2OpticalTunerAV1AV2(option)Monitor OutS-AVComponentScart(option)USB PortMIC7VWirelessLRVLRVGBRLRLRGBR816VSW1, SW2,MUTE1(A)Pb(R) ,Pr(R)CTL-A/B(B)VIDEO-SW(A)Tuner-L/RAV1-L/RAV2-L/RSCART-L/RAV1-CVBSAV2-CVBSMonitor outSCART-CVBS o

5、utCYSCART-IDSCART-FB/RST-ADAD-DATAAD-BCKAD-LRCK(A)SPDIF12.288MHzLRCKBCKADAT 0,1,2,3(FL/R,RL/R,C/SW)MUTETR Mute /RST-AD(A)MixingALRCK,ABCKMCLK,AMDATSPDIF8406_SDI,8406_SDO8406_CLK,8406_CE8406_RST,8406_INTH/PY(G)YYYCDVD-CVBSCVBS(A)(T_CE,T_DO,T_DI,T_CLK,T_RDS_DATA,T_RDS,CLK)(A)AUDIO MICOMLC876B48(PIN MA

6、P )SSTOPTIONFRONTSTA510AAMP ICMIC1_DET(A)MIC2_DET(A)(A) HP_DETAMPDNTH_WFAN1FAN2(A)FAN1_CTLFAN2_CTLOPTION2-82-9SCHEMATIC DIAGRAMS 1. POWER SCHEMATIC DIAGRAM_1ABCDEFGHIJKLMNOPQRST2-102-112. POWER SCHEMATIC DIAGRAM_2ABCDEFGHIJKLMNOPQRST2-122-133. MICOM SCHEMATIC DIAGRAMABCDEFGHIJKLMNOPQRST2-142-154. FR

7、ONT SCHEMATIC DIAGRAMABCDEFGHIJKLMNOPQRST2-162-175. DSP& SCHEMATIC DIAGRAMABCDEFGHIJKLMNOPQRST2-182-196. I/O SCHEMATIC DIAGRAMABCDEFGHIJKLMNOPQRST2-202-217. MAIN MIC SCHEMATIC DIAGRAMABCDEFGHIJKLMNOPQRSTABCDEFGHIJKLMNOPQRST3-223-23DVD PART SCHEMATIC DIAGRAMS1. DVD MPEG & DSP SCHEMATIC DIAGRAMABCD

8、EFGHIJKLMNOPQRST3-243-252. RF & SERVO SCHEMATIC DIAGRAM3. FRONT KARAOKE SCHEMATIC DIAGRAMABCDEFGHIJKLMNOPQRST3-263-273-283-294. USB CONTROLLER SCHEMATIC DIAGRAMABCDEFGHIJKLMNOPQRST5. AMP SCHEMATIC DIAGRAM ( 5TOOL )ABCDEFGHIJKLMNOPQRST3-303-316. AMP SCHEMATIC DIAGRAM ( 7TOOL )ABCDEFGHIJKLMNOPQRST3-323-33