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A-509R

6. ADJUSTMENTS

6.1 IDLE CURRENT ADJUSTMENT

CAUTION : Heatsinks’ (Q323–Q326) DC level is equal to +B or -B.

Don’t touch them or you will be electricary chocked.

1. Connect the measuring instrument as Fig.6-1. (R415 or R416)

2. Set the VOLUME CONTROL to minimum, BASS TONE CONTROL to center, TREBLE TONE CONTROL to 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 ASSY

DC Voltmeter

SIDE A

Heat Sink

R417

W212

W150

Fig.6-1 Adjustment Method

Содержание A-509R

Страница 1: ...AM AND SCHEMATIC DIAGRAM 6 4 PCB CONNECTION DIAGRAM 16 5 PCB PARTS LIST 21 6 ADJUSTMENT 24 CONTENTS 7 GENERAL INFORMATION 25 7 1 IC 25 8 PANEL FACILITIES AND SPECIFICATIONS 26 T ZZK APR 2000 Printed in Japan THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S STEREO AMPLIFIER A 509R Direct Energy MOS STANDBY ON STANDBY OFF ON POWER A SPEAKERS B BASS TREBLE PHONES LOUDNESS MIN MAX VOLUME ...

Страница 2: ...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 are identified by marking with a on the schematics and on the parts list in this Service Manual ...

Страница 3: ...to mark on the product are used for disassembly 1 Operating Instructions ARB7238 English 2 Operating Instructions ARC7326 German 3 Operating Instructions ARC7327 French Italian Dutch Swedish Spanish Portuguese NSP 4 Warranty Card ARY7022 5 Remote Control Unit CU A018 AXD7187 6 Battery Cover AZN2249 NSP 7 Dry Cell Battery R6P AA VEM 013 8 Side Protector L AHA7127 9 Side Protector R AHA7128 10 11 Pa...

Страница 4: ...1 10 49 2 30 31 31 32 38 27 47 27 29 46 14 26 22 21 25 21 26 14 12 23 23 23 23 23 13 20 42 42 42 40 42 39 42 7 15 45 4 8 15 15 15 45 45 45 15 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 26 24 26 50 52 51 51 51 54 33 16 16 53 ...

Страница 5: ...ator Plate A AMR7221 25 Locking Card Spacer DEC1908 Mark No Description Part No Mark No Description Part No EXTERIOR PARTS LIST 26 Screw BBZ30P080FCC 27 LED Lens AAK2459 28 IR Filter AAK7532 29 LED Lens T AAK7544 30 Name Plate B PAN1376 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 Bas...

Страница 6: ... UP DOWN MUTE FUNC MUTE ON OFF TO PROTECTION RY SR INPUT FROM FUNCTION SEL KEY INPUTS µ COM FROM UNUSUAL OUTPUT DETECTION FROM REC SEL IC101 1 2 IC101 2 2 IC601 IC151 27 26 24 RY101 RY102 25 24 24 19 17 18 23 22 20 21 ON OFF LOUDNESS VOLUME UP DOWN M Q501 Q503 IC251 VR501 CN203 CN203 CN501 CN501 14 14 1 2 1 2 D FRONT R ASSY A AF ASSY S601 S606 S602 S603 S701 S704 604 B Q407 Q408 A Q303 A IC251 A Q...

Страница 7: ...O POWER STAGE TO VOLTAGE STAGE TO µ COM TO OP AMP RY LED 5 6 BH H P Q507 Q509 Q303 RY401 RY402 RY403 D451 A JA501 S901 G RY801 E FU1 T1 T801 E D457 D460 IC811 IC451 IC452 A D811 D814 E E A IC751 VR751 VR752 VR601 D Q505 CN501 CN203 10 CN502 4 3 10 J3 4 7 3 6 CN401 1 J5 1 F HEADPHONE ASSY C VOLUME ASSY B FRONT L ASSY E AC PRIMARY ASSY A AF ASSY A AF ASSY IC301 Q309 Q334 Q407 Q408 ...

Страница 8: ...A 509R 8 A B C D 1 2 3 4 1 2 3 4 3 2 OVERALL CONNECTION DIAGRAM A AF ASSY D FRONT R ASSY F HEADPHONE ASSY C VOLUME ASSY AWX7052 AWX7631 AWX7718 AWX7055 ...

Страница 9: ...509R 9 A B C 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 AWX7051 G POWER SW ASSY ...

Страница 10: ...A 509R 10 A B C D 1 2 3 4 1 2 3 4 C CN501 AUDIO SIGNAL ROUTE 1K 1K 3 3 AF ASSY A ...

Страница 11: ...A 509R 11 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 22K 3 9K IRF9540A S IRF540A S 22K 3 9K IRF9540A S IRF540A S AWX7631 A ...

Страница 12: ...9R 12 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 VSG1009 VSG1009 VSG1009 VSG1009 AWX7054 3 4 FRONT L and VOLUME ASSYS B ...

Страница 13: ...A 509R 13 A B C D 5 6 7 8 5 6 7 8 C VOLUME ASSY A CN203 AUDIO SIGNAL ROUTE AWX7055 C ...

Страница 14: ...RANSFORMER T1 NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS ONLY CAUTION 1 50 YA NP PD5604A VSG1009 VSG1009 AWX7718 AWX7051 FU1 T2A L 250V AEK1057 AC POWER CORD 47 10 3 5 FRONT R AC PRIMARY HEADPHONE and POWER SW ASSYS D E ...

Страница 15: ...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 SB MODE S 606 REC SELECTOR TC74HC107AP TC74HC00AP VSG1009 G POWER SW ASSY AWX7057 G F D ...

Страница 16: ...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 ...

Страница 17: ...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 ...

Страница 18: ... B 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 ASSYS SIDE A ...

Страница 19: ...9 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 ...

Страница 20: ... 3 4 1 2 3 4 E F G 4 4 AC PRIMARY HEADPHONE and POWER SW ASSYS 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 ...

Страница 21: ...TC9163AN IC301 UPC4570C Q327 Q328 Q409 Q410 2SA1048 Q321 Q322 2SA970 Q311 Q314 Q329 Q330 2SA992 Q309 Q310 Q315 Q316 2SC1845 Q333 Q334 2SC1845 Q319 Q320 2SC2240 Q317 Q318 Q331 Q332 2SC2458 Q407 Q408 2SC2458 Q303 Q304 2SC2878 Q451 2SC4793 Q102 Q104 Q153 Q403 Q406 2SK1132 Q414 2SK1132 Q401 Q402 Q413 DTA114ES Q101 Q103 Q151 DTA124ES Q152 Q251 DTC124ES Q411 Q412 DTC143ES Q323 Q324 IRF540A S Q325 Q326 I...

Страница 22: ...ING FRONT L ASSY SEMICONDUCTORS IC751 UPC4570C Q751 Q752 2SC1845 Q702 Q703 2SC2458 Q701 Q704 Q707 DTC124ES D702 D711 HSS104 02 D701 D704 D706 SLR 342VCT31 SWITCHES S701 S704 VSG1009 CAPACITORS C701 3 3µF 25V ACH7027 C753 C754 CCCSL151J50 C751 C752 C755 C756 CEAT100M50 C759 C760 CEATR47M50 C761 C762 CEJAR10M50 C757 C758 CFTLA153J50 C765 CKCYF473Z50 C763 C764 CKPUYB102K50 C711 CKPUYF473Z16 RESISTORS...

Страница 23: ...CONNECTOR 9604S 21F J4 JUMPER WIRE D15A15 125 2651 AC PRIMARY ASSY 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 3µF 25V ACH7027 C813 CEAT471M25 C814 CEBA470M10 C811 CEYANP1R0M50 RESISTORS All Resistors RD1 4PU J OTHERS Y802 Y803 BOARDIN READ WIRE ADX7207 CN802 AC SOCKET 1P...

Страница 24: ...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 ...

Страница 25: ...ector 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 ...

Страница 26: ...t functions regardless of volume levels 1 2 3 4 5 6 7 8 9 0 VOLUME indicator 8 PANEL FACILITIES AND SPECIFICATIONS 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 play...

Страница 27: ...ator goes out The signal passes through the various frequency adjusting circuits SB MODE The SB mode is a special mode in which the amplifier does not accept remote control except power ON OFF But all of the fa cilities can be controled by manual as same as SB mode OFF Fix the VOLUME control near the center position In this mode the set can be used as a power amplifier which amplifies the LINE SUR...

Страница 28: ...ing to be away from home for a long period of time disconnect 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 1 PHONO terminals 2 SIGNAL GND Turntable ground terminal 3 TUNER terminals ...

Страница 29: ...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 the operating b...

Страница 30: ...RIES Î 2 7 3 1 4 7 3 _ STANDBY ON AMP CD TUNER TAPE TAPE SELECT TAPE DECK I DECK II CD DISC SELECT STATION TUNER CD TUNER PHONO TAPE 1 TAPE 2 LINE VOLUME STEREO AMPLIFIER REMOTE CONTROL UNIT Batteries AA R6P VEM 013 Remote control unit CU A018 AXD7187 Power cord ADG1154 Amplifier Section Continuous power output both channels driven at 20 Hz to 20 kHz T H D 0 06 8 Ω 45 W 45 W T H D 0 09 4 Ω 65 W 65...

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