Pioneer SX-205 Service Manual - Page 9

NOTE FOR PCB DIAGRAMS: 1. Part numbers in PCB diagrams match those in the schematic diagrams. 2. A comparison between the main parts of PCB and schematic diagrams is shown below. Symbol in PCB Symbol in Schematic Diagrams Diagrams Part Name BC EBCE (O O O) B C E Transistor GO O O) B C E BC E BCE Transistor with resistor DGSD GS (O O o) O),ati D G S (O O O%O O Field effect transistor Resistor array O O O --1 1- 3- terminal regulator • The parts mounted on this PCB include all necessary parts for several destinations. For further information for respective destinations, be sure to check with the schematic diagram. • This diagram is viewed from the mounted parts side. SP SW ASSY _1 CMKE -P5X PCB -1 SX-305RDS, SX-205RDS TO FRONT ASSY J5 MOTHER ASSY S 0 Mil lrfrA. - s' , ; • 1-.., ...-.. ul 4 7Z /=-1 --\ 0.1k(s5N4'1,' i l'i. L.Iii... • anlyrfF. ilk .skss -41.4.!\ 4iSt-74.4fvt.2) T.I.', 4, 1...1'`-) /I pi 0 AW A,s' i 11 C. P''"1 -:(4.14C 41 ,4r " Xis kiii V 7)41 HIII 1t'!::.I. I I ' •\ 41:j\., , 14%..^..-, "'s. ll ' a l ' I) Eli) rum 1,4 - *7k • • .• N. • RP • o TO VOLUME ASSY J2 P3 , S10.__ ' *f 11 a rC,4 ' 1 t•'.1t:t.i I I 4;14 e•r000. - --0 3.tP-.-4, 6. ...4:74.::7.ifllri P "7" - it I oliMievieillliri • 4 • -44i ^V.4-47 : lz ,7-ir 4-4.- •. " t"n7.-4,4• ` t.-1 44, Li ;7 v.,.....4 ,,, 7 ..r.., ri4i\ . -4• 41 '''' iie Jti-3 - "- 4:1:4*•14ilk ilit t. ''b ---41%(" A1W. .4.-1 • CIO Ns j ' -:4 .ta.Z II ; A ,I • • / 1 II 4 ' .4411, rt 16.6.4 • ' : . • 'I:. • , •A 1-• r 4, c\-=•-' • .FILANL.;a • " PRIMARY ASSY /0 1.01, 14 10If 2 IC 4.4 A\ POWER TRANSFORMER r (AC220 - 230V) (AC 240V) _ - L TRANS ASSY .,. III\ ir I r los cu./ S PP CC'S Su PORT 44,41:( 4 • 4 4V.. .W A •`0. ii IS , ',,,... si, K4IIIIIi ; filloll_14 0 P-O sEcoNcatr0 es> PRIMARY MDTuEll Poo'r AW2 035 042 RNP7131-A Line Voltage selection Line voltage can be changed by the following modification : 1. Disconnect the AC power cord. 2. Remove the cover. 3. Change the connection of the power transformer primary taps. 4. Stick a line voltage label on the rear panel. Part No. Description AAX-193 220V label AAX-192 240V label MAIN POWER SWITCH VR151 IC131 0192 0191 0131 0132 0181 0102 0101 Q103 IC151 0151 0104 0318 0314 0308 0308 IC201 0312 0382 0306 0302 IC202 0316 IC301 0403 0310 0402 0309 01302 01301 IC203 0406 0407 0315 0381 0311 0313 0317 0404 0301 0305 0307 0303 REG ASSY . /7414 „sr SP ASSY I 0401 0405 CC CC 7 TO AC POWER CORD TO FRONT ASSY CHKE J4 15