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TX-8222

SERVICE MANUAL

SERVICE MANUAL

      STEREO RECEIVER

Black and Silver models

MODEL 

TX-8222

Ref. No. 3945

062006

120V AC, 60Hz

230-240V AC, 50Hz

BMDD,BMDC

BMPP,SMPP,BMPA

RC-666S

SAFETY-RELATED COMPONENT 
WARNING!!

COMPONENTS IDENTIFIED BY MARK         ON THE

SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE

CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.

REPLACE THESE COMPONENTS WITH ONKYO

PARTS WHOSE PART NUMBERS APPEAR AS SHOWN

IN THIS MANUAL.

MAKE LEAKAGE-CURRENT OR RESISTANCE

MEASUREMENTS TO DETERMINE THAT EXPOSED

PARTS ARE ACCEPTABLY INSULATED FROM  THE

SUPPLY CIRCUIT BEFORE RETURNING THE

APPLIANCE TO THE CUSTOMER.

Summary of Contents for TX-8222

Page 1: ...ARNING COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR...

Page 2: ...esponse 10 Hz 100 kHz 1 dB 3 dB CD Tone Control 10 dB 100 Hz BASS 10 dB 10 kHz TREBLE Signal to Noise Ratio 100 dB LINE IHF A 80 dB PHONO IHF A Speaker Impedance 4 16 Tuning Frequency Range NorthAmeri...

Page 3: ...ame type fuse For fuse rating refer to the marking adjacent to the symbol Ce symbole indique que le fusible utlise est a rapide Pour une protection permanente n untiliser que fusibles de meme type Ce...

Page 4: ...pcs A003 x 3 pcs A003 x 3 pcs A018 x 5 pcs A003 x 2 pcs A003 x 2 pcs A202 x 6 pcs Q521A x 4 pcs A011 x 3 pcs A205 x 4 pcs A003 x 4 pcs A206 x 4 pcs A351 x 3 pcs A210 A350 A001 A607 A201 A002 P715 P70...

Page 5: ...VOLTAG PHONO EQUALIZER Q301 PHONO REC PLAY TAPE 1 CD PLAY1 L1 DVD LINE1 DVD TUNER PLAY2 REC2 REC PLAY TAPE 2 LINE2 AUDIO IN OUT MOTOR DRIVE Q481 DISPLAY CONTROL CPU VOLUME MICROPROCESSOR Q701 FL DRIVE...

Page 6: ...ERMAL SENSOR Q6380 VOLTAGE REGULATOR SPEAKERS POWER AMP Q591 RELAY DRIVE Q592 RELAY DRIVE POWER AMP RL901 PRI RELAY F903 OUTLET AC_CABLE P501 SPEAKER A SPEAKER B RL591 SP A RELAY RL592 SP B RELAY P503...

Page 7: ...101K C404 47 25 R391 1K C928 100 50 C931 223Z Q302 TC9273CNG 010 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 R442 10 C401 47 25 R441 10 R411 1 2K C402 47 25 R402 1K R408...

Page 8: ...D511 1SS133 R561 270 C503 101K R503 27K Q507 2SA949Y Q531 2SC1740S_S R581 5 6K R583 3 9K R587 2K R589 3 3K Q533 2SC1740S_S R567 22 C509 10 50 R579 100 C511 NONE Q503 2SC2240 BL R531 18K R525 1 2W 68 R...

Page 9: ...35 18K R513 56K R533 56K R543 1 2W 220 R541 1 2W 2 2 R539 1 2W 2 2 R591 1 4W 2 2 Q501 2SC2240 BL R505 10 Q529 BL 2SC2458 GR R549 3 3K R585 820 Q519 2SA1930 Q517 2SC5171 Q521 Q523 R511 5 6K Q505 BL 2SC...

Page 10: ...SEG20 32 SEG19 33 SEG18 34 SEG17 35 SEG16 36 SEG15 37 SEG14 38 SEG13 39 SEG12 40 SEG11 41 SEG10 42 SEG9 43 SEG8 44 SEG7 45 SEG6 46 SEG5 47 SEG4 48 SEG3 R876 330 R855 330 R862 330 R869 330 R877 470 R8...

Page 11: ...36 SEG15 37 SEG14 S G 3 877 70 R856 470 63 0 70 470 R878 560 R857 560 R864 560 R871 560 R851 820 R858 820 R865 820 R872 820 R852 1 2K R859 1 2K R866 1 2K R873 1 2K R853 2 2K R860 2 2K R874 2 2K C857 1...

Page 12: ...I 1 G 3 O P708 P707 1 2 3 P706 1 2 3 21 22 23 P704A 1 2 3 4 5 6 7 8 9 10 11 12 13 L701 470M C709 100 16 C703 100 16 C702 100 16 R671 220 D702 1SS355 D713 R850 10K D707 1SS355 D706 1SS355 D705 1SS355 C...

Page 13: ...30 P70 TXD2 SDA2 TA0OUT 31 P67 TXD1 SDA1 32 P66 RXD1 SCL1 33 P65 CLK1 34 P64 CTS1 RTS1 CTS0 CLKS1 35 P63 TXD0 SDA0 36 P62 RXD0 SCL0 37 P61 CLK0 38 P60 CTS0 RTS0 39 P57 RDY CLKOUT 40 P56 ALE 41 P55 HOL...

Page 14: ...AME TYPE CAUTION E LENT POUR UNE PROTECTION PERMANENTE N UTILISER CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE QUE DES FUSIBLES DE MEME TYPE CE DARNIER EST R...

Page 15: ...JL911A P913A P912A P504 JL711A P503 P912B P911B P913B P914A RED P915A BLK JL917A JL913A FUSE TERMINAL PC BOARD NAPS 8889 D912 JL918A JL917B PRIMARY CIRCUIT PC BOARD NAPS 8880 AC IN WHT P916A T901 NPT...

Page 16: ...5B Q852 JL716B P715A P707 P706 P704A JL703B P701A P702A JL911B P212B P211B P705A JL703A JL613B R641 THERMAL DETECTOR PC BOARD NAETC 8878 U012 U01 U013 U05 U02 DISPLAY CIRCUIT PC BOARD NADIS 8877 MICRO...

Page 17: ...TX 8222 PRINTED CIRCUIT BOARD VIEW 1 U01 MICROPROCESSOR PC BOARD NADG 8876 COMPONENT SIDE SOLDERING SIDE A 1 2 3 4 5 B C D Reversal letter D 9 0 1 Soldering side parts...

Page 18: ...TX 8222 PRINTED CIRCUIT BOARD VIEW 1 U015 PRIMARY CIRCUIT PC BOARD NAPS 8880 COMPONENT SIDE SOLDERING SIDE A 1 2 3 4 5 B C D Reversal letter D 9 0 1 Soldering side parts...

Page 19: ...TX 8222 PRINTED CIRCUIT BOARD VIEW 2 U012 DISPLAY CIRCUIT PC BOARD NADIS 8877 COMPONENT SIDE Reversal letter D 9 0 1 Soldering side parts A 1 2 3 4 5 B C D...

Page 20: ...TX 8222 PRINTED CIRCUIT BOARD VIEW 2 U012 DISPLAY CIRCUIT PC BOARD NADIS 8877 SOLDERING SIDE COMPONENT SIDE A 1 2 3 4 5 B C D Reversal letter D 9 0 1 Soldering side parts...

Page 21: ...TX 8222 PRINTED CIRCUIT BOARD VIEW 3 U02 MAIN CIRCUIT PC BOARD NAAF 8886 A 1 2 3 4 5 B C D...

Page 22: ...TX 8222 PRINTED CIRCUIT BOARD VIEW 3 U02 MAIN CIRCUIT PC BOARD NAAF 8886 A 1 2 3 4 5 B C D...

Page 23: ...ONE TERMINAL PC BOARD NAETC 8882 COMPONENT SIDE SOLDERING SIDE U022 TRANSFORMER TERMINAL PC BOARD NAPS 8887 U023 VOLUME PC BOARD NAAF 8888 U016 TRANSFORMER TERMINAL PC BOARD NAETC 8881 A 1 2 3 4 5 B C...

Page 24: ...D CONTROL CIRCUIT INDICATOR CONTROL REGISTER CLOCK GENERATOR CIRCUIT DISPLAY CONTROLLER RAM write code selector CGROM 35 bits 160 CGRAM 35 bits 16 SEGMENT OUTPUT CIRCUIT DIGIT OUTPUT CIRCUIT SEG36 SEG...

Page 25: ...SHIFTER SHIFT REGISTER CIRCUIT R ch 10bit Latch Circuit Same as L ch Circuit L ch 10bit Latch Circuit 2 3 4 5 6 7 8 9 10 11 12 27 26 25 24 23 22 21 20 19 18 17 13 14 15 16 1 28 TC9273CNG Analog Switch...

Page 26: ...65 PROTECT 17 P85 NMI VSS 64 Vss POFF 18 P84 INT2 P30 A8 D7 63 SEC1H 19 P83 INT1 VCC2 62 Vcc2 20 P82 INT0 P31 A09 61 21 P81 TA4IN U P32 A10 60 22 P80 TA4OUT U P33 A11 59 SELCLK 23 P77 TA3IN P34 A12 58...

Page 27: ...O L Reset control output pin for Sirius 27 P73 CTS2 RTS2 TA1IN V TUXMSELA O H Not used 28 P72 CLK2 TA1OUT V TUXMSELB O H Not used 29 P71 RXD2 SCL2 TA0IN TB5IN SIRIUSRX I H Not used 30 P70 TXD2 SDA2 TA...

Page 28: ...3 D11 SD I L Broadcast detection input pin 78 P12 D10 I L Not used 79 P11 D9 I L Not used 80 P10 D8 I L Not used 81 P07 AN07 D7 O L Not used 82 P06 AN06 D6 LEDZONE2 O H Not used 83 P05 AN05 D5 LEDPURE...

Page 29: ...Confirmation of protection circuit 1 Confirmation of operation of speaker relay Confirm that the speaker relays turn ON approximate 5 seconds after the power switch is turned ON Confirm that the spea...

Page 30: ...UT OUT PUT 3 3k 10k 1SS133 6 3 3k GND 0 01 F 0 1 F OSCILLO SCOPE Differentiating Circuit 50Hz SQUARE 30Vp p FL TEST MODE 1 Press and hold down CD button then press STANDBY ON button 2 After TEST on th...

Page 31: ...TX 8222 PACKING VIEW A821 A802 A803 A804 A603 A611 A606 A605 A604 A836 A820 A610 A835 P501C A822 A823 P501A A609 A609 A602 A601...

Page 32: ...4964 B COVER 28184965 S A202 SCREW 3TTB 8B 3BC 838430088GR B SCREW 3TTB 8B 3CM 838130088GR S A203 IB CUSHION W15 3t TAPE 28141585 A205 BOTTOM LEG 27175432B A206 CUSHION 28141664 A210 KNOB VOL 28325456...

Page 33: ...Transformer terminal PCB AS NAETC 8881 1M 1B144581 1M D C Transformer terminal PCB AS NAETC 8881 1N 1B144581 1N P Transformer terminal PCB AS NAETC 8881 1P 1B144581 1P A U017 Headphone terminal PCB A...

Page 34: ...101014R1 C606 C607 C609 C CERA C CK725F1H 104Z1 332151040R1 C610 C611 C612 C CERA C CK725F1H 104Z1 332151040R1 C613 C614 C615 C CERA C CK725B1H 102K1 332101025R1 C616 C617 C618 C CERA C CK725B1H 102K1...

Page 35: ...704R1 R684 R685 R686 C CARBON R RN72K1J 472JE 435034724R1 R687 R688 R690 C CARBON R RN72K1J 472JE 435034724R1 R689 R691 C CARBON R RN72K1J 272JE 435032724R1 R692 R694 C CARBON R RN72K1J 472JE 43503472...

Page 36: ...OUTLET NSCT 4P913 25051126 D C SOCKET NSCT 4P912 25051125 P AC OUTLET NSCT 2P2013 25052115 A F901A F901B FUSE HOL NSCT 1P2031 25052133 D C F902A F902B FUSE HOL NSCT 1P2031 25052133 P A F903A F903B FU...

Page 37: ...5885 or TR KTA1268 BL 2215886 Q591 Q592 TR DTC123JS or 2213640 or TR KRC105M 2215830 Q924 TR 2SA965 Y TPE6_F 2211644 D491 DIODE 1SS133 or 223163 or D511 D512 DIODE 1SS133 DS 223280 D571 ZENER D MTZJ5...

Page 38: ...C648 CERA C CK45F50V 223Z 335622230 C911 C912 TF C ECQ V50V 334J 374723344 C915 C916 ELECT C CE69W56V 8200MB 3504416 C918 VR C CE04W35V 1000M VR 394661027S C919 VR C CE04W35V 330M VR 394663317 C920 C...

Page 39: ...443525604 R531 R532 CARBON R R16J 18K 417341834 R533 R534 CARBON R R16J 56K 417345634 R535 R536 CARBON R R16J 18K 417341834 R539 R540 R541 METAL R RNU1 2WCJ 2 2 453530224 R542 R593 R594 METAL R RNU1 2...

Page 40: ...AS CRIMP AS 2069925402UL P915A CRIMP AS CRIMP AS 2069925450UL P916A CRIMP AS CRIMP AS 2069925459UL Q921A HEAT SINK RAD 183 27160526 Q921C Q922C SCREW 3TTB 10S 3BC 838430107GR PACKING VIEW PARTS LIST...

Page 41: ...785 2650 http www onkyousa com ONKYO EUROPE ELECTRONICS GmbH Liegnitzerstrasse 6 82194 Groebenzell GERMANY Tel 49 8142 4401 0 Fax 49 8142 4401 555 http www onkyo net Sales Product Planning Div 2 1 Ni...

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