Pioneer a 505 r service manual

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GD PIONEER

The Art of Entertainment

Service

Manual ©
mm RRV 1 5 9 4

STEREO AMPLIFIER

A- 405R
A-405R-G

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

Model The voltage can be
Type A-605FI A-GOSR-G A-505FI A405n A-4osn-G we" Requ'reme' mmfifidnfimi
HY/EW O O O O O AC220 - 230V
HY/GR O - O O - A0220 - 230V
SD 0 - - - - ACIIOV/IZO - 127V/220V/240V WIIh the voltage selector
HV 0 - - O - AC230V

CONTE NTS
1. EXPLODED VIEWS AND PARTS LIST . . 2
2. PACKING AND PARTS LIST. 5
34 SCHEMATIC AND PCB CONNECTION DIAGRAMS .. 6
4 PCB PARTS LIST , 1
5 ADJUSTMENTS..
6. IC INFORMATION
7. BLOCK DIAGRAM .,
8. FOR A-605R/HY/GR, SD, HV, A-505R-G/HY/EW,

A-505R/HY/EW, HY/GR, A-405FI/HY/EW, HY/GFI, HV

AND A-405R-G/HY/EW TYPES 27
9. PANEL FACIRITIES

10. SPECIFICATIONS
PIONEER ELECTRONIC CORPORATION 41, Meguro I-Chome, Meguro-ku, Tokyo 153, Japan

PIONEER ELECTRONICS SERVICE, INC. F.O.Box 1760, Long Beach, CA 908014760, USA
PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00 Lane Crawford Place, Singapore 0923

© PIONEER ELECTRONIC CORPORATION 1996 T.FFKAPR,1996 Primed in Japan

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1. EXPLODED VIEWS AND PARTS LIST

NOTES:

1 Parts marked In) "NSF" are generally unavailable became they are not in our Master Spare Parts List.

0 The A mark found on same component parts indicates the importance of the safety factor 0f the part. Therefore, when replacing, be sure to use
parts of identical designalion.

0 Parts marked by O " are not always kept in slack. Their delivery lime may be longer than Mual or they may be unavailable.

Parts List (for A-605R/HYIEW)

Mark No. Description Paris No. Mark No. Description Parts No.
1 AC PRIMARY ASSY sz7944 31 HINGE R AMR7116
NSP 2 I-[EADPHONE ASSY sz7947 32 PANEL STOPPER MOULD AMR7 I 17
3 FRONT R ASSY szaws 33 DUMPER AXA7036
4 AF ASSY sz7932 34 LED LENS AAK7260
5 VOLUME ASSY sz7941 35 LED LENS PNW2019
6 FRONT L ASSY AWZSS97 36 NAME PLATE VAM1032
A 7 FU3 FUSE (TSOOmA) AEK1051 37 ROTARY KNOB C AAB7089
A 8 FUI FUSE (TZA) AEK1057 38 ROTARY KNOB L AAB7090
9 11 FLEXIBLE CABLE ADDI I I4 39 ROTARY KNOB B AAB7091
10 ., ---------- 40 SPEAKER BUTTON AAD7290
1 I TERMINAL SCREW AKE - 031 41 SELFILLMI BUTION A AAD7291
A 12 AC SOKET 3 - P AKP - 502 42 SELFILLMI BUTTON B AAD7292
A 13 TI POWER TRANSFORMER ATS7128 43 POWER BUT-ION AAD7293
NSP I4 CHASSIS ANA7048 44 MUTING BUITON AAD7294
15 REAR PANEL ANC7424 45 TOP COVER AME|086
l6 POCKET HOLDER ASSY ANGIB64 46 METAL BONNET ANE7I 19
17 FOOT AMRI 159 47 PAMEL BASE AMB7362
l8 REMOCON WINDOW AAK24S7 48 DOOR PANEL ANB7050
19 SCREW ABA - 298 49 FRONT PANEL ANB7052
20 SCREW (STEEL) ABA 1004 50 SCREW BBT30P080FZK
2| SCREW ABA 10] 8 51 SCREW BBZSOPOSOFMC
22 SCREW (STEEL) ABA1053 52 SCREW BPZZOPOSOFMC
23 SCREW ABA7023 53 SCREW BPZZéPosoFMC
24 POCKET SPRING AB H7] IA 54 NUT NKQOFUC
25 NUT ABN - 065 55 SCREW VMZEOP06OFMC
NSP 26 CORD WITH PLUG ADH1003 56 SCREW BMZ30P080FZK
NSP 27 PCB HOLDER AEC7057 A 57 SWITCH (MAIN POWER) ASH - 501
NSP 28 PCB MOULD AMR1525
29 POCKET LOCK AMR2587
30 HINGE L AMR7115