Pioneer sa 410 service manual

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pioneer sa 410 service manual

Extracted text from pioneer sa 410 service manual (Ocr-read)


Page 1

3. SCHEMATIC DIAGRAM FOR HE AND HB TYPES AF AMP A$'Y GWK-149 PLAYIlsfivl RECF50'vl AUXlrtfivl TUNERF o;tl PHONOl?.:;tl e I NJM4558DX o2,3 2SA798 2SC1915 25C94 5 A 2SC1755 2SA850 rs.|555 2SD525P2SB595P VR3: BASSACr - t?7 R59 62k S 2 : TAPE MONITOR / t-OUOT.TESS ASG-157 VR2:VO LU ME ACT-r26 VRz-I250h c43?20/6 c25r5p/50( R562 R5r5 R4toR47 "f t R63t I ezx | | f^* I c al I c.3? . R67 o.oo-se vR4 - | O OOl2 lo k VR4: TREBLEACr - 127 R?9 ?.2' -27.2-2t 2) sl-lPHONO/\/\TUNER AUX SI: FUNCTIONASE-II8 ct .+ R3 33O VRI:EALANCEACT-02 I c48 24OQ9 82OOp R tO Rr2 30k R t4 390 h c 38 u,Bt-t c.o9 R 68 L PHONO TUNER AUX REC PLAY 1. RESISTORS:lndicated in Q,1/oW, t5% tolerance unless otherwise noted k : kft, M : MO, (F) : t1%, (G) : t2o/o, (K) : t 10% tolerance 2. CAPACITORS:Indicated in -capacity (! F)/voltage (V) unless otherwise noted p : pF Indication without voltage is 50V except electrolytic capacitor. 3. VOLTAGE, CURRENT: U : DC voltage (V) at no input signal 4-- mA: 4. OTHERS@ : Adiusting point. The I mark found on some component parts indicates the im- portance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. This is the basic schematic diagram, but the actual circuit may vary due to improvements in desiqn. Ir- --l to ot R406.8 k c2422O/25 R5t.5 R5o/ D]D4D5 SWITCHES:S 1 ' FUNCT ION TUNER_ PHONO _ AUX S2-1,?,TAPE MONITOR ON - OFF AR83?7k|/zwl S2-3,4: LOUDNESS S3-1,2 SP EAKER ON _ OFF ON - OFF ,fil!lf\R80r.2k s3-3,4 SPEAKER SELECTOR A - B 55 , POWER ON - OFF Q 16 2SCl8 l5

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sA-41o/HEr HEf 6 HEADPHONES Ass'y GWX -477 l---,l33--, ' ! 330 tvzw'l"roo"ron., I -28.6(- zz,Ol ficzs A r* -29(-23) -27.?t2, ?l AEK-OI7 SPEAKERASG-r39 Lz tpH I Arrr r2A t.zk IOLECURRENT ADJ cs1 H |-.--+-{m" 47/25 |OOD/5OO 4 7 I cza A *r, R46 lrmeAoo 820 | R48 t 2k CURRENT ADJ - 28.6(-22.6) GP-30D2 '06oP oz rsl555 ?,7r0lE?7 r88 a1l I Arr,,r* r 55: POWERASG-5r7 Att FUSE Ass'y GWX - 478 ?/2 i'ro[ ) At'r---- REO 1 ATT-635----t J-'-,fir*:; AC 220V50/60Hr /25 tv6k o.ot /Aczso FUS E Ass'y GWX-47A t/2 POWER SUPPLY CIRCUIT FOR HB MODEI: AC POWER CORO A0G-O4l D3 1S1554 D4 MZ- 19 7 D5 MZ- 157 DtO - (POwER) ldl ldl ldl ;rex-eo3 : hl lsla alel h I 6il-l ! ,ol#L'lJotl "or "iljl,fl,t^? Y- - - - J FUSE Ass'y GWX- 478 2/2 ac240v50l6OHz FUSE Ass'y G WX - 478 1/2 AC POWER CORO ADG - O5I AEL-32O 4