Sanyo DC D30 Service Manual page 24

IC BLOCK DIAGRAM (FRONT)
iC251 2PD75306GF-225-3B9 (Tuner & LCD Driveing Micro Processor)
fw wo[ signa wame [ rortwame [| __——coescnprion——=~=S=S~=*dz VO | CONNECT
| 1 tsegi2_ S12 Segment of Liquid Crystal Display —"*~"—*s—'—'"'"';SS*drTSSC™C*r;SCOC;CL CS"
| 2 |seci3 —idS13s«* Segment of Liquid Crystal Display S™—~—"—sS—S~S—S—S—C—C—C—CCSTSC"'z[.*SCLCO COSY
| 3 |seci4 ——ss—sidtS14SCSCSC*d Segment off Liquid Crystal Display S™—~—sCS—S—ssSC—SsTSC~Cié'(L!SC'i OCS
| 4 |secis ss dS CSCSC*di Segment of Liquid Crystal Display —C—"—;~;*™*™*S*S*Ss*SsésdCCSC'( C;'Sé*dTSCSC*C*iéOSC*?S
| 5 {secig —ss——sd[Si6 SS —C(té'"';CSCCd Segment of Liquid Crystal Display ™C™—™~—"—stSC—S—S—sTSC"'[';SOC#SLCOCOCOCCOYd
| 6 [seci7s*d S17 [Segment of Liquid Crystal Display —"—*'"'"'"'"'iYSCtC*d;;CCUCL CY
| 7 [secig si "(ss sd(S18CCi'CS™COCSegmentt of Liquid Crystal Display == ™C™~—"—t*™*~*~S~s~é~ssS~s—'"C«é'"RSC' MO COY
| 8 |seci9 —sssd[Si9 Ss Segment of Liquid Crystal Display SSs—~<—~;~;S™*™S™SC~dYCS SSCSCSYSSCCi Cd
| 9 [seczo _—s—si'([s20.—"(;*sté'"C;C*C*d Segment of Liquid Crystal Display = S™C—~—"—*~—s—s—s—s—s—sSC"'isLSC OT CY
| 10 [seG2i_CdS21SSSC*d Segment of Liquid Crystal Display —C~—~—';S™CC~drTSC<'CS*zrLSSCéi OCS
[| 11 [seG22_ S22, Segment of Liquid Crystal Display —"—*~*~*S*S*Ss*sésésTSC'CSzL SCO CY
| 12 [sec2z_—i*dTS23SSCSC*d Segment of Liquid Crystal Display ——'"';SSCCUCUdTSCdYC*~"C;é'iOSCS™C*C~C*?:
| 13 [seG2q s'S24/BPO Ss Segment of Liquid Crystal Display —~—C—C;~sC—C—CSsS—C—CSsSéS|SCCSC*dY'S=~Ctsé'iOC*"?S
| 14 [sec2s «dE S25/BP1 Ss Segment of Liquid Crystal Display ———"';SSSCUdTSCCTC«d;C*~COTCSC*?:
| 15 [SseG26_—C*dS26/BP2 Ss Segment of Liquid Crystal Display ——"';~;S™S™S™SCSCédYC(CSC;é'iYLSC'iOTCSXdS
| 16 {SeG27_— Cd'S27/8P3 sd Segment of Liquid Crystal Display CC—~—"—~*~*s*s—sésS*SC"<'CSYL.OCOCLCO CY
Auto Tuning Signal ACTIVE : HIGH LEVEL [| O [| TUNER |
| 18 [NC CdS29vpp5 [Not Used(Open) —"—'"'"'"'SW!!™F™F™F™F™F€F™F™FUFL€ULUdT OULU ~C(EN Cd
| 19 [nc ——"é*d;S30/BPG——CC*dNot Used (Open) —"='"*S*S*™C™""CC"C™C YT CCSdEC (S#SPUENN iC
| 20 [Nc —s—s«dS34/BP7—SC«d[ Not Used(Open)——";~'—;*~*~*~*—~—~—"'";'"';S!™™™C™CUCUdT OL CCE Cd
| 21 {como sd ComO_ Ss Common of Liquid Crystal Display ™—"—*~"—*~s*—'—sé's~sSC"'zrLSSCLéO CY
| 22 |comi —s— dT COM1 sd Common of Liquid Crystal Display —"—;™S™~™~S~SSC~'"'Y.SSC'dO CS?
| 23 [com2 sf Com2 sd Common of Liquid Crystal Display C—"'*'"—*S™S*~*~*sS*S~SC*d LCD
| 24 {com3 dE COM3 | Common of Liquid Crystal Display ™~—"—stCS™SC~sSC*s'"'iL'.SC'éCONC'CdCS
| 25 [pias Cd BIAS SC*d Bias of Liquid Crystal Display C—~—"—~—s—'"';SSSCdrTSCOC*drSCOCO™! CO"
| 26 {[vico dVicg ~SCSs~*~CSCSCS*dSCPoeerr Supply foor Drive of Liqquiidd Crystal Display SS| Sd] SS TSCSC~—SY
[27 [vici dM SCSCSCSCSC=Cd:SsPoerr Supply foor Drive: of Liquid Crystal Display S| STS TSCSCSC~S~S™Y
Power Supply for Drive of Liquid Crystal Displa ir ae
| 29 [sTeP CT PAOFFSCSC*~"'*'"'*C'*CAAM Steep' Seelection 9K HZ (Vpn) /10KHZ(Veg) ——SSSSS*dTSdTSCSs*dTSSCTUNER _'|
| 30 |stT Ss fat SSCS ST Signal ACTIVE: LOW LEVEL [ | [TUNER |
SD Signal ACTIVE : LOW LEVEL af SME
| 32 [NC C~"'"c|CZS CL Not Used(Ground)—"'"'"CS*S*S™S™*™C™C™C™OCOCésCN:CS"aCLC<isCN V
p B Ss VSS ee oe OU ee ee ee Se I
| 34 |ce(s) SOC' #CLCWDaattas Signal from LM7001(For S Series) —C—*~—"';'CSSSdT STUNNER CC
| 35 [cuK(S) PTC Datta Signal from LM7001 (For S Series) SCY COT STUNER |
| 36 |dO(s) S22 CCS Datta Signal from LM7001(For S Series) —~—"—*é—sTSSSTSTUNER CY
Compulsion Monaural (For S$ Series ACTIVE : HIGH LEVEL [| © | TUNER |
| 38 [NC CST POOVINT4 [Not Used(Ground) si'"'"CS*™*™C;*dNSCOST:C*dCE:C (N$NSSGVggs— Sd
| 39 [sck CT POTSCK [Clock Signal In from Main Micro Processor (uPD65117) | i |: MAIN ZCON |
| 40 [Nc CC' @POD/SO/SBO [Not Used(Ground) — s—"'"C'"C:'"'"'(S;WCC(CdrTOCOCdCO CVG
| 41 {si C*d POB/St/SB1_ | Data In from Main Micro Processor(uPD65117) TS | ~ MAIN ZCON |
| 42 jNC_ Cd P1QVINTO [Not Used(Ground)—s—'"'"'"'"CS*"'"'(SSNSCCC CdS CTC CT CVG
| 43 {NC CCCP /INTT Not Used(Ground) —"'"('C'C*S*'";'"'(CSCCUCUdT Ur Ud CU
| 44 [NC P2vinT2_ Not Used(Ground) ee ——i—'"'"'"'S*S*;'"'CSSNSC™;CC(CdT CCU UG
| 45 [NC Cd P13/T10 [Not Used(Ground)—C—i—'"'"'"'"'"'"'(SSCCC!CUdT CUCU
| 46 [wide sd P20/PT100__—_—| Select Signal for AM Signal Type Wide (HIGH)/Narrow(LOW) | O | TUNER |
| 47, |PCON(S) st P27 SSCs Turner Poweer Signal (For $ Series) Ss ACTIVE : HIGH LEVEL_ | O | TUNER |
| 48 |MUTE dE P22/PCL Cs Tuner Mute Signal = CACTIVE : HIGH LEVEL | O [TUNER |
| 49 |BuSY sd P23/BUZ Cs Busy Signal Out to Main Micro Processor(uPD65117) | =~ | MAIN ZCON |
| 49 [Busy «dE P23/BUZ_ Cd Busy Signal Out to Main Micro Processor(uPD65117) | 3S |: MAIN ZCON |
| 50 [so CS PBQ/LCOCL si Initial Set for User = Country(Open or Ground) CT CTC] Cid
| 51 {si CSE PBA/SYNC [initial Set for User = Country(Open or Ground) CT CTC CT CCid'
52. [s2_ Cd BDC Initial Set for User = Country(Open or Ground) CT CT CT Cd
| 53 [S3(FM MUTE) [P33 C= Select Signal for FM Auto Mute SET(Open)/NOT(V«s) | | | i
Von Power Supply SV ies es ee
| 55 [NC CTT Not Used (Ground) OSC X'tal Terminal for Main Clock | ot OT Vg
| 56 [NC CCXT2 CE Not Used (Open) OSC X'tal Terminal for Main Clock Ss | O [| sd
ee IN NG See a MNO CONIO CUO ae, on pn ee ee et ee eee |
p58 [Xt Xtalin(4.194304MHz) ee s—"'";'"C;"C;*'*C;*é'*rLCSOSaCSdCGESC '§$NNNNNN NUN
| 59 [x2 COX Xtal Out (4.194304MHz) —"*é'";'~iTSC
| 60 |S4(12H/24H) | P60/KRO—S—CC(:' Select. Signal for CLOCK 24H (Open) /12H (Ves) ma Sa
Select Signal for AM IF SET (Open) / NOT (Vs)
Select Signal for D & $ Series SET (Open) / NOT (Vsg) ii ee Eee
| 48 [Mute P2zvpci sd Tuner Mute Signal = SSCACTIVE : HIGH LEVEL | O | TUNER |
|_ 63 |MONO(D) | P63/KR3_ «| Compulsion Monaural (For D Series) =~ ACTIVE: HIGH LEVEL | O | TUNER |
| 64 |dO(D) Cd P7O/KRG Cat' Signal from LM7001 (For D Series) | O [| TUNER |
Data Signal from LM7001 (For D Series | O {| TUNER |
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