Pioneer IS-21MD Service Manual

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[Page 1] Pioneer IS-21MD

ORDER NO. PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Me...

[Page 2] Pioneer IS-21MD

M-IS21 2 1. SAFETY INFORMATION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained ...

[Page 3] Pioneer IS-21MD

M-IS21 3 2. EXPLODED VIEWS AND PARTS LIST Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. The mark found on some component parts indicates the importance of the safety factor of the...

[Page 4] Pioneer IS-21MD

M-IS21 4 28 11 15 20 19 8 7 36 29 31 4 10 C12 C11 9 5 36 28 6 27 32 32 32 38 37 25 13 16 36 36 26 36 32 32 36 32 32 32 36 34 32 14 1 2.2 EXTERIOR ...

[Page 5] Pioneer IS-21MD

M-IS21 5 35 35 17 30 30 33 33 12 33 33 30 30 18 23 3 23 22 21 2 1 AF Assy AWU7337 2 AMP Assy AWU7340 3 POWER SUPPLY Assy AWU7344 NSP 4 PRIMARY Assy AWU7345 NSP 5 SECONDARY Assy AWU7350 6 HP Assy AWU7351 7 METER Assy AWU7353 8 METER CONNECT Assy AWU7...

[Page 6] Pioneer IS-21MD

M-IS21 6 A B C D 1 23 4 1234 AMP ASSY (AWU7340) B POWER SUPPLY ASSY (AWU7344) C 3. SCHEMATIC DIAGRAM CBA 3.1 AF, AMP, POWER SUPPLY, PRIMARY, SECONDARY, HP, METER and METER CONNECT ASSYS ...

[Page 7] Pioneer IS-21MD

M-IS21 7 A B C D 5 678 5 6 7 8 AF ASSY (AWU7337) A PRIMARY ASSY (AWU7345) D SECONDARY ASSY (AWU7350) E HP ASSY (AWU7351) F METER CONNECT ASSY (AWU7356) H METER ASSY (AWU7353) G : AUDIO SIGNAL ROUTE • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROT...

[Page 8] Pioneer IS-21MD

M-IS21 8 A B C D 1 23 4 1234 4. PCB CONNECTION DIAGRAM 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 i...

[Page 9] Pioneer IS-21MD

M-IS21 9 A B C D 1 234 1 2 3 4 HGF 4.2 HP, METER and METER CONNECT ASSYS (ANP7300-C) METER CONNECT ASSY H HP ASSY F METER ASSY G SIDE B Q5602 Q5604 Q5601 Q5603 IC5601 (ANP7300-C) HP ASSY F METER ASSY G CN3104 A POWER METER CN3105 A SIDE A METER CO...

[Page 10] Pioneer IS-21MD

M-IS21 10 A B C D 1 23 4 1234 (ANP7300-C) Q81 IC81 IC82 IC3302 J3004 F AF ASSY A CN3006 B CN3003 B CN3002 C 3001 E J3005 G SIDE A XC-IS21MD or XC-IS21T N BLUE D L BROWN D AC IN LIVE NEUTRAL A 4.3 AF ASSY ...

[Page 11] Pioneer IS-21MD

M-IS21 11 A B C D 1 234 1 2 3 4 (ANP7300-C) Q82 Q3621 Q3605 Q3606 Q3608 Q3607 Q3601 Q3603 Q3602 Q3313 Q85 AF ASSY A SIDE B A ...

[Page 12] Pioneer IS-21MD

M-IS21 12 A B C D 1 23 4 1234 (ANP7300-C) IC24 IC23 Q33 Q43 Q42 Q32 Q3651 Q3654 IC33 IC42 Q3352 Q3351 IC3301 Q3502 Q3501 POWER SUPPLY ASSY C AMP ASSY B CN3102 A CN3106 A CN3103 A SIDE A 4.4 AMP and POWER SUPPLY ASSYS B C ...

[Page 13] Pioneer IS-21MD

M-IS21 13 A B C D 1 234 1 2 3 4 (ANP7300-C) IC32 Q31 Q41 Q3652 Q3653 Q3353 Q3354 IC3501 IC3502 Q3503 Q3311 Q3312 POWER SUPPLY ASSY C AMP ASSY B SIDE B CB ...

[Page 14] Pioneer IS-21MD

M-IS21 14 Mark No. Description Part No. Mark No. Description Part No. 5. PCB PARTS LIST Parts marked by "NSP" are generally unavailable because they are not in our Master Spare...

[Page 15] Pioneer IS-21MD

M-IS21 15 Mark No. Description Part No. Mark No. Description Part No. D3351–D3354, D3361, D3362 1SS133 D3355, D3356 LT2A03 D3357, D3358 MTZJ10C D3359, D3360 MTZJ18B D3363, D3364 ...

[Page 16] Pioneer IS-21MD

M-IS21 16 Mark No. Description Part No. 6. ADJUSTMENT There is no information to be shown in this chapter. RESISTORS All Resistors RS1/10S J OTHERS 5601 3P CABLE HOLDER 51048-0300 3005 4P CABLE HOLDER 51048-0400 J3005 ...

[Page 17] Pioneer IS-21MD

M-IS21 17 7.1 SINGLE OPERATION METHOD 7. GENERAL INFORMATION AF ASSY A SIDE B INPUT SIGNAL 10mV OUTPUT SIGNAL R85 – 1kΩ CONTROLL 0V, 5V or 12V CONNECT A POINT (GND) (FOUR PLACES) Single operation method and inputlevel. The procedure and the i...

[Page 18] Pioneer IS-21MD

M-IS21 18 ¶ SPECIFICATIONS 7 Amplifier Section Continuous Power (RMS) .................................. 100 W + 100 Wz (1 kHz, THD 10%, 6 Ω) Continuous Power (DIN) .......................................... 65 W + 65 W (1 kHz, THD 1%, 6 Ω) Musi...