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1. SAFETY INFORMATION ...................................... 2

2. EXPLODED VIEWS AND PARTS LIST ................ 3

3. SCHEMATIC DIAGRAM ....................................... 6

4. PCB CONNECTION DIAGRAM .......................... 14

5. PCB PARTS LIST ............................................... 19

6. ADJUSTMENT .................................................... 22

CONTENTS

7. GENERAL INFORMATION ................................ 23

    7.1  IC INFORMATION ....................................... 23

    7.2  BLOCK DIAGRAM ....................................... 24

8. PANEL FACILITIES AND SPECIFICATIONS .... 25

A-407R

STEREO AMPLIFIER

ORDER NO.

RRV1958

T - IZK  MAY 1998 Printed  in Japan

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 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD.  501 Orchard Road, #10-00 Wheelock Place, Singapore 238880

    PIONEER ELECTRONIC CORPORATION 1998

c

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

Type

Model

Power Requirement

Remarks

A-407R

MY/EW

AC220 – 230V

MY/GR

AC220 – 230V

MV

AC220 – 230V

STEREO AMPLIFIER

A-407R   Direct Energy MOS  

STANDBY/ON

STANDBY

OFF      ON

POWER

A   SPEAKERS   B                         BASS                                                TREBLE

PHONES

LOUDNESS

MIN                                                   MAX

VOLUME

DIRECT

BALANCE                                   INPUT  SELECTOR           REC  SELECTOR

CD        TUNER     PHONO      LINE

TAPE 1
 /MD

TAPE 2

MONITOR

CD         TUNER

OFF       SOURCE

L                       R

Summary of Contents for A-407R

Page 1: ...P O Box 1760 Long Beach CA 90801 1760 U S A PIONEER ELECTRONIC EUROPE N V Haven 1087 Keetberglaan 1 9120 Melsele Belgium PIONEER ELECTRONICS ASIACENTRE PTE LTD 501 Orchard Road 10 00 Wheelock Place Singapore 238880 PIONEER ELECTRONIC CORPORATION 1998 c THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S Type Model Power Requirement Remarks A 407R MY EW AC220 230V MY GR AC220 230V MV AC22...

Page 2: ...echanical parts in the appliance have special safety related characteristics These are often not evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage wattage etc Replacement parts which have these special safety characteristics are identified in this Service Manual Electrical components having such features...

Page 3: ...Cord See Contrast table 2 16 Power Cord with Fuse See Contrast table 2 17 Fuse T5A See Contrast table 2 1 PACKING PARTS LIST 2 CONTRAST TABLE A 407R MY EW MY GR and MV are constructed the same except for the following k r a M o N n o i t p i r c s e D d n a l o b m y S o N t r a P s k r a m e R e p y T W E Y M e p y T R G Y M e p y T V M P S N 1 2 3 4 1 5 1 6 1 7 1 h s i l g n E s n o i t c u r t ...

Page 4: ... 10 10 49 2 30 31 33 31 32 38 27 47 27 29 46 14 26 22 21 25 21 26 14 12 23 23 23 23 23 13 MY EW MY GR Types only 20 42 42 42 40 42 39 42 7 15 26 24 45 4 8 15 15 15 45 45 45 15 26 24 15 45 26 15 16 19 6 42 11 17 17 45 17 43 9 39 39 39 42 42 42 39 36 3 44 44 1 ...

Page 5: ...art No 1 EXTERIOR PARTS LIST 26 Screw ABA 298 27 LED Lens AAK2459 28 IR Filter AAK7532 29 LED Lens T AAK7544 30 Name Plate AAM7004 31 Rotary Knob A AAB7148 32 Rotary Knob B AAB7149 33 Volume Knob AAB7147 34 Speaker Button AAD7435 35 Main Power Button AAD7437 36 Bonnet Case ANE7185 37 Panel Base AMB7484 38 Front Panel ANB7112 39 Screw BBT30P080FZK 40 Terminal Screw AKE 031 41 Nut NK90FUC 42 Screw A...

Page 6: ...A 407R 6 A B C D 1 2 3 4 1 2 3 4 3 SCHEMATIC DIAGRAM 3 1 OVERALL CONNECTION DIAGRAM A AF ASSY D FRONT R ASSY F HEADPHONE ASSY C VOLUME ASSY AWX7052 AWX7053 AWX7050 AWX7055 ...

Page 7: ... D 5 6 7 8 5 6 7 8 Note When ordering service parts be sure to refer to EXPLODED VIEWS and PARTS LIST or PCB PARTS LIST B FRONT L ASSY E AC PRIMARY ASSY AWX7054 AWX7057 MY EW MY GR AWX7051 MV AWX7056 G POWER SW ASSY ...

Page 8: ...A 407R 8 A B C D 1 2 3 4 1 2 3 4 C CN501 AUDIO SIGNAL ROUTE 3 2 AF ASSY A ...

Page 9: ...A 407R 9 A B C D 5 6 7 8 5 6 7 8 A AF ASSY D CN601 E CN803 F J5 TO POWER TRANSFORMER T1 L406 ATX1012 AWX7053 A ...

Page 10: ...A 407R 10 A B C D 1 2 3 4 1 2 3 4 B FRONT L ASSY D J4 FRONT L ASSY S 701 POWER STANDBY ON S 702 LOUDNESS S 703 SPEAKERS A S 704 SPEAKERS B AWX7054 3 3 FRONT L AND VOLUME ASSEMBLIES B ...

Page 11: ...A 407R 11 A B C D 5 6 7 8 5 6 7 8 C VOLUME ASSY A CN203 AUDIO SIGNAL ROUTE AWX7055 C ...

Page 12: ...NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS ONLY CAUTION 1 50 YA NP AWX7050 MY EW MY GR AWX7051 MV AWX7056 A 407R MY EW MY GR ONLY FU1 T2A L 250V AEK1057 AC POWER CORD 47 10 3 4 FRONT R AC PRIMARY HEADPHONE AND POWER SW ASSEMBLIES D E ...

Page 13: ...A B C D 5 6 7 8 5 6 7 8 F HEADPHONE ASSY AWX7052 A CN202 A CN401 B CN701 FRONT R ASSY S 601 INPUT SELECTOR S 603 TAPE2 MONITOR S 604 DIRECT S 606 REC SELECTOR TC74HC107AP TC74HC00AP G POWER SW ASSY AWX7057 G F D ...

Page 14: ...ssary parts for several destination For further information for respective destinations be sure to check with the schematic diagram 4 Viewpoint of PCB diagrams Symbol in PCB Diagrams Symbol in Schematic Diagrams Part Name Transistor Transistor with resistor Field effect transistor MOS Field effect transistor Resistor array 3 terminal regulator B C E B C E B C E D D 2 1 3 G G G S S S B C E B C E B ...

Page 15: ...7 8 5 6 7 8 A CN601 D Q401 Q406 Q413 Q414 Q451 Q452 Q409 Q411 Q323 Q319 Q322 Q412 Q410 Q407 Q408 Q324 IC451 IC151 IC452 IC101 Q313 VR301 VR302 Q318 Q301 Q304 Q251 Q309 Q312 Q325 Q334 IC301 IC251 ANP7227 A Q101 Q104 Q151 Q153 ...

Page 16: ...C FRONT L ASSY B VOLUME ASSY ANP7227 A ANP7227 A Q705 VR751 VR752 Q704 Q701 Q702 Q707 Q706 Q703 IC751 Q751 Q502 Q501 Q503 Q507 Q509 Q505 Q510 Q511 Q506 Q504 Q508 Q513 Q512 Q514 Q752 C CN203 A J4 D 4 2 FRONT L AND VOLUME ASSEMBLIES SIDE A ...

Page 17: ...7 A B C D 1 2 3 4 1 2 3 4 D 4 3 FRONT R ASSY FRONT R ASSY D CN202 A CN701 ANP7228 A B J4 Q616 Q606 Q610 Q617 IC603 Q608 Q609 Q605 Q604 IC601 Q603 Q602 Q601 Q612 Q613 Q614 Q611 Q615 Q607 VR601 IC602 Q618 SIDE A ...

Page 18: ... 4 1 2 3 4 E F G 4 4 AC PRIMARY HEADPHONE AND POWER SW ASSEMBLIES J2 ANP7228 A ANP7228 A ANP7228 A A AC POWER CORD CN401 A AC PRIMARY ASSY E HEADPHONE ASSY F POWER SW ASSY G Q811 IC811 POWER TRANSFORMER T1 LIVE NEUTRAL SIDE A ...

Page 19: ...A 2 5 0 7 X W A 7 5 0 7 X W A 2 2 4 7 K W A 3 5 0 7 X W A 4 5 0 7 X W A 5 5 0 7 X W A 9 0 0 7 G W A 0 5 0 7 X W A 1 5 0 7 X W A 2 5 0 7 X W A 7 5 0 7 X W A 2 2 4 7 K W A 3 5 0 7 X W A 4 5 0 7 X W A 5 5 0 7 X W A 0 1 0 7 G W A 0 5 0 7 X W A 6 5 0 7 X W A 2 5 0 7 X W A 7 5 0 7 X W A LIST OF WHOLE PCB ASSEMBLIES AF ASSY SEMICONDUCTORS IC151 M5220P IC451 NJM78M15FA IC452 NJM79M05FA IC251 TA8409S IC101...

Page 20: ...S 21C SCREW ABA 298 SCREW ABA1007 SCREW ABA1052 CN101 CN102 PIN JACK 8P AKB7023 SPEAKER TERMINAL 8 P AKE1011 HEAT SINK M ANH 697 HEAT SINK B ANH1021 J2 JUMPER WIRE D15A03 075 2651 CN204 4P PLUG KM200IB4 CN203 19P PLUG KM200TA19 CN401 CONNECTOR 3P KPE3 JA401 REMOTE CONTROL JACK RKN1004 PCB BINDER VEF1040 KN101 KN201 KN301 KN302 KN451 VNF1084 EARTH METAL FITTING FRONT L ASSY SEMICONDUCTORS IC751 UPC...

Page 21: ...19MHz CABLE HOLDER 15P 51063 1505 CN601 21P FFC CONNECTOR 9604S 21F J4 JUMPER WIRE D15A15 125 2651 AC PRIMARY ASSY 1 CONTRAST TABLE AWX7051 and AWX7056 are constructed the same except for the following 2 PARTS LIST FOR AWX7051 SEMICONDUCTORS IC811 NJM78M56FA Q811 2SK1132 D815 HSS104 02 D811 D814 S5688G TRANSFORMER T801 ATT7009 RELAY RY801 RSR1037 CAPACITORS C801 C802 0 01µF AC250V ACG7020 C815 3 3...

Page 22: ...center and BALANCE CONTROL to center Set VR301 and VR302 to minimum 3 Set the POWER switch to ON 4 Adjust VR301 VR302 so that the voltage between both sides of R415 R416 becomes 16mV 1mV Within 10 seconds from when the relay is turned ON 5 Ages for 7 minutes 6 Adjust VR301 VR302 so that the voltage between both sides of R415 R416 becomes 11mV 1mV VR301 VR302 R413 R414 R415 R416 Heat Sink CN204 AF ...

Page 23: ...input 2 interrupt specification 30 P40 O Volume DOWN data output 31 P41 O Volume UP data output 32 P42 I FUNCTION selector input 1 33 P43 I FUNCTION selector input 2 34 P00 I WAKE UP input Key on wake up specification 35 P01 I MUTE KEY input Key on wake up specification 36 P02 I DIRECT KEY input Key on wake up specification 37 P03 O Protection control pin 38 P04 I Output error detection pin 39 P05...

Page 24: ...L BH 19 2 15 TO POWER STAGE TO FUNCTION SW DIRECT LOUDNESS ON OFF VOLUME UP DOWN MUTE FUNC MUTE ON OFF TO PROTECTION RY SR INPUT FROM FUNCTION SEL KEY INPUTS µ COM FROM UNUSUAL OUTPUT DETECTION TO VOLTAGE STAGE TO µ COM TO OP AMP RY LED 5 6 BH FROM REC SEL A IC101 1 2 A IC101 2 2 A IC601 D Q507 C Q509 C Q303 RY401 RY402 RY403 A D451 A 401 A JA501 F S901 G RY801 E FU1 T1 T801 E D457 D460 IC811 IC45...

Page 25: ...connect the unit from the wall socket CONTROL OUT jack This jack is for outputting control signals when operating other components bearing the Î mark with the amplifier s remote con trol unit SPEAKERS A terminals Left channel SPEAKERS A terminals Right channel AC OUTLET European model only 1 PHONO terminals 2 SIGNAL GND Turntable ground terminal 3 TUNER terminals 4 CD terminals 5 LINE terminals 6 ...

Page 26: ...olume level NOTE The TONE effect functions regardless of volume levels 5 INPUT SELECTOR knob indicators Turn the knob clockwise or counterclockwise so that the indica tor lights for your desired input source Turning the knob clock wise causes the lit indicator to right Turning counterclockwise causes it to left CD For compact disc playback with a CD player TUNER For AM or FM broadcast reception wi...

Page 27: ...t passing through the various frequency adjusting circuits This results in flat pure sound which is a more faithful reproduction of the input source Off The indicator goes out The signal passes through the various frequency adjusting circuits 0 LOUDNESS button indicator Use when listening at low volume level On The indicator lights Boosts low and high frequencies to give added punch to playback ev...

Page 28: ...o the functions listed on the remote control unit 1 CD POWER button Switches CD player power STANDBY ON 2 AMP POWER button Switches the amplifier power STANDBY ON 3 TAPE SELECT button Selects the cassette No 1 to 6 for a multi cassette changer 4 DECK II button To operate Deck II press this button before pressing the operat ing buttons Also when using a single deck press this button before pressing...

Page 29: ... mV input 86 dB CD TUNER LINE TAPE 1 MD TAPE 2 MONITOR 106 dB Signal to Noise ratio DIN continuous power 50 mW PHONO MM 71 dB 67 dB CD TUNER LINE TAPE 1 MD TAPE 2 MONITOR 95 dB 71 dB Power Supply Miscellaneous Power requirements AC 220 230 Volts 50 60 Hz Power consumption 160 W AC outlet European model only Switched x1 100W Dimensions including knobs and other protruding parts 420 W 335 D 128 H mm...

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