Pioneer mj 300 service manual

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GD PIONEER

The Art of Entertainment

ORDER NO.
ARP2 3 8 2

STEREO POWER AMPLIFIER

M -J3DD

M-J4DD
M-JEDD

M-J 300, M-J 400 AND M-J 500 HAVE THE FOLLOWING :
Model
Type Power Requirement Remarks
M B O O 0 AC 220 v-230 v. Ac 23mm V(switchable)
HE C o 0 Ac 220 vvzso v. AC 230-240 V(switchable)*

SD 0 - O AC 110 V. 120 V-127 V. 220 V, 240 V(switchable)

Change the connection of the power transformers primary wiring.

O This manual is applicable to the M-J BOO/H3, HE. SD, M-J 400/HB, HE, M-J 500/HB, HE and SD types.

0 As to the M-J 300/HE, SD, M-J 400/HB. HE, M-J SOD/H3. HE and SD types. refer to page 17.

0 These products are components of systems. As to the system composition, refer to the system manuals.

0 Each of these products does not function properly when independent ; to avoid malfunctions. be sure to
connect it to the prescribed system components. otherwise damage may result.

CONTENTS
1. EXPLODED VIEWS, PACKING AND PARTS LIST ------ 2
2- SCHEMATIC DIAGRAMS ....................................... 6
3. PCB CONNECTION DIAGRAMS ----------------- 9
4. PCB PARTS LIST ------------------------------- ~~ 15

5. FOR M-J SOD/HE, so, M-J 4oo/HB, HE,

M-JSOO/HB, HEAND so TYPES ........................... 17
5. PANEL FACILITIES .. -19
7. SPECIFICATIONS .. 19

PIONEER ELECTRONIC CORPORATION 4-1. Megurc 1-Chome. MegurO-ku, Tokyo 153, Japan

PIONEER ELECTRONICS SERVICE INC. PO Box 1760, Long Beach, Calllorma 90801 US A

PIONEER ELECTRONICS OF CANADA, INC. 505 Cachrane Drive, Markham. Ontano L3H 8E3 Canada

PIONEER ELECTRONIC [EUROPE] N.V, Haven 1087 Keetberglaan I, 9120 Melsele. Belgium

PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-184 Boundary Road. Braeside, VICIorIa 3195. Auslraha TEL: [03] 5803911

© PIONEER ELECTRONIC CORPORATION 1991 FJ DEC. 199, mm, in Japan

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M-JSDD

1. EXPLODED VIEWS, PACKING AND PARTS :LIST

NOTES:

0 The parts with an encircled number are generally unavailable because they are not in tam-Master Spare Parts List.

0 The A mark found an some component parts indicates the importance of the safety factor of the part. Therefore, when replacing,
be sure to use parts of identical designation.

0 Parts marked by O are not always kept in stock Their delivery time may be longer than usual or they may be unavailable.

1.1 PARTS LIST

Mail: No. Description Parts No. Mark No. Description Parts No.
1. POWER BUTTON AAD2109 A 31. CAPACITOR FOR POWER (Cl) ACG1003
2. INDICATOR LENS(PLS) AAK2224 A 32. FUSE (FU1,4A) AEK-511
3. BTYTE ABA1093 33. SCREW ABA1147
4. BIND B TYTE ABA-298 34. BIND B TYTE ABAIOOQ
5. B TY'IE ABA1011 35. CONNECTOR CABLE(.I) ADE1117
6. BIND 3 x 1813 TYTE ABAIOIS A 36. TRANSISTOR(03, Q4) 2SA1302
7. B TYTE 3 x 10 ABA-283 A 37. PUSE (PU. 4A)(SD only) ARK-511
8. B TYTE 3 X 14 ABA1082 A 33. TRANSISTOR(Q1, Q2) 2503281
9. P TYTE 2.6 x s ABA1095 39. REINFORCED PLATE ANG1635

10. POWER BUTTON SPRING ARI-11079 A 40. PUSH SWITCH(SI) Ascwss
A 11. POWER CORD ADCnoa A 41. POWERTRANSPORMER(T1) ATS1330
A 12. AC CORD STOPPER AEc-ssz O 42. POWER ASS'Y AW23783

13. PCB SUPPORT AEc1010 O 43. POWER SW ASSY AWZ3789

14. FOB SUPPORT AEc1216 ® 44. TRANS CONNECT ASSY AWZ3792

15. PCB SPACER AE01303 © 45. SP TERMINAL ASSY AW23793

1s. BINDER AEP-zls © 46. SP SW ASSY sza790

17. MIKA SHEET AEE1014 © 47. LED ASSY AW23813

18. FRONT PANEL ASSY AMBIsm © 48. HEAD PHONE ASSY AWZ4116

19. PCB MOLD AMR1525 49. FOOT ASS'Y AMR1937

20. CHASSIS ANA1161

A 50. VOLTAGE SELECTOR AKXASO7

21. REAR PANEL ANC1795 51. SPEAKER KNOB AAD21o7

22. BONNET(MTL) ANE1320 52. SPEAKER KNOB AADz14s

23. P c B HOLDER ANG1609

24' .. ..

25. CHASSIS COVER ANG1627

26. HEAT SINK ANH1266

27. SCREW BBZZGPOBOFMC

28. SCREW BCZSOPIODFZK

29. FOOT ASSY(ABS) RXA1448

so. BINDER ABC-826