Sanyo MCD-Z250F Service Manual

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IC BLOCK DIAGRAM & DESCRIPTIONIC103 LA6541 (Pickup Actuator& CD Mechanism Motor)IC BLOCK DIAGRAM & DESCRIPTIONIC151 CXP50712-120Q (Micro Processor)No. Pln Narrm Uo FunctionT SEG18 - M used2 SEG17 - Not used3 SEG16 - N-a used4 SEG15 - NciUseds. SEG14 o LCD segment signal6 SEG13 o LCD segment signal[7 SEG12 o LCD sqm ent signals Clze-,, f-l , fin . ..-...-”. . .. . .No. Pin Name Uo Function J41 I SELECT I I ~MOdel 5.9M imd42 I SYNC-REC [ I )Synchromza&m recmdrag S&VI s!gnd I43 NC - lNot used (VDD)44 COCK o Inter Face {U DSP IClcck)45 COIN I Inter Face Iu OSP (Command data ou$mi)46 SOOUT I Imw Face br COP (Suffi data input)“. $.,- ,., .,n-r , n-..,--, .. . . C4 ACAN signalI I WWCI ,WUU4 Uact) input1.,-. —._*i,-m1- -, , “W-,!.-!.”! , r ,“=.. !- ,!pm49 I POWER-SW I ‘ lm-.---A-. I .,!-” ! , 1 “ ~..,,, .91 ,,v, ,, .,g, ,al’31 SEGIC? [ O I LCD segment s!gnal@ I SEG9 1 0 ILCD segment signalA 1’ ‘n ---merit sgnalTent sgnalIC201 LAl 186N (Tuner System) IC211 LA1832ML (Tuner System) mm! .i..al I?7 ~ SEG2 o LCD SW ent sgnallei SEG1 o LCD sew al sgnal191 SEG2 o LCD sqme Ill Sgrlalml COM3 o LCD cmnmon signal21~ COM2cc,!,, 1 n II fin . . . . . . . .. . . . ID I AMP-MUTE [ O IOUIPUI tti IOramphfier mute_-. ..— — al (H-ON).-4- 1l-! ““l., , “ .V” w! r,, ,!”! , -y a,.-“!.1; o LCD common signalVLC1 o LCD biasVLC2 o LCD biaswe, r-) I cl-) hi.“al-t#db-Pl 1 iIC221 LC72131MD (PLL Frequency Synthesizer).W m* 1. A ,.. h.c..,,, :.CL.m.IC412 TA8229K (AF Amplifier)“cc, “c,,Ba.. e.,. ,,.. ! ,, c,-, 5 ml. ,*, ,0 .,!.$ c:=tulr.: LT.:, ~ T**U C.,,. ur , 000FGOIEC 7,3.$. , !,,,.2 3 w?.,w, ,,7 ,.s.2.0[ Pc2 I - It+xomdim7, I \,cc I - Icrur, I721 XTAL I O Iconnea @@ulor IW d~ (2MHz)n I .,. I I*I.+ —- {Wc5. .! 34f VDD - Power SUp@yS51 KEYl I Key inpulS5~ f KEW? I Key irqwlKEY3 I Key ir$nt.m . i ,,-. :—.A, &h innbfi=., .331 k,. , , ,lvsy”qMsz~ FUNC 1 I lFunction . . . ... . . .. .. . .‘lot DIST I I Destinat!cm input JI51m7#mm2mm A1601IC413 S-87050CF-VP (Voltage Regulator),mVw 5 6 VW,REFERENCVOLTAGE VSENvOLTAGEDETECTOR3.2V.m CD Vss-18- -19.