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YORKVILLE CA12 Service Schematics
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SERVICE MANUAL

MODEL TYPE: YS1048
CA12
WEB ACCESS: http://www.yorkville.com
WORLD HEADQUARTERS
CANADA
U.S.A.
Yorkville Sound
Yorkville Sound Inc.
550 Granite Court
4625 Witmer Industrial Estate
Pickering, Ontario
Niagara Falls, New York
L1W-3Y8 CANADA
14305 USA
Voice: (905) 837-8481
Voice: (716) 297-2920
Fax: (905) 837-8746
Fax: (716) 297-3689
Quality and Innovation Since 1963
Printed in Canada
Manual-Service-CA12-00-3v0.pdf

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Summary of Contents for YORKVILLE CA12

  • Page 1: Service Manual

    SERVICE MANUAL MODEL TYPE: YS1048 CA12 WEB ACCESS: http://www.yorkville.com WORLD HEADQUARTERS CANADA U.S.A. Yorkville Sound Yorkville Sound Inc. 550 Granite Court 4625 Witmer Industrial Estate Pickering, Ontario Niagara Falls, New York L1W-3Y8 CANADA 14305 USA Voice: (905) 837-8481 Voice: (716) 297-2920...
  • Page 2: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS INSTRUCTIONS PERTAINING TO A INSTRUCTIONS RELATIVES AU RISQUE RISK OF FIRE, ELECTRIC SHOCK, DE FEU, CHOC ÉLECTRIQUE, OU OR INJURY TO PERSONS BLESSURES AUX PERSONNES CAUTION: AVIS: AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE, TO REDUCE THE RISK OF ELECTRIC SHOCK, DO N’ENLEVEZ PAS LE COUVERT (OU LE PANNEAU ARRIERE) NOT REMOVE COVER (OR BACK).
  • Page 3 REMOTE VOLUME JACK OUTPUT CH. INPUT TRANSFORMER LIMITER SW. BRIDGE SW. VOLUME SOURCE SELECTION AVC CONTROL LIMITER CONTROL POWER AMPLIFIER SSM2164 NJM2761 TDA8920BTH OUTPUT SELECTION SW. OUTPUT TRANSFORMER ZONE 6 AUTO POWER ON/OFF CONTROL +12V POWER SW. REMOTE VOLUME JACK OUTPUT CH.
  • Page 4 TO BUS LINE BOARD CNA01 reset +15V RESET CNB01 BUS-L BUS-L D104 BUS-R 1N4148 BUS-R Q102 C109 +15V 2N4403 R118 220K 4u7/50V -15V +15V R122 C113 R121 IC102A 4.7K IC102B 100u/25V CON5 R117 C110 D106 D107 4558 4558 R103 10u/25V IC101A 1N4148 1N4148...
  • Page 5 reset RESET BUS-R BUS-L D204 1N4148 C209 R218 220K 4u7/50V +15V R221 IC202A IC202B R217 C210 D206 D207 4558 4558 R203 10u/25V IC201A 1N4148 1N4148 JK201A R201 C205 4558 BUS PW 1.5K 10u/25V L-IN.2 C212 100uF/25V C201 R205 R216 D202 220K R215 4u7/50V...
  • Page 6 reset RESET BUS-R BUS-L D304 1N4148 C309 R318 220K 4u7/50V +15V R321 IC302A IC302B R317 C310 D306 D307 4558 4558 R303 10u/25V IC301A 1N4148 1N4148 JK301A R301 C305 4558 BUS PW 1.5K 10u/25V L-IN.3 C312 100uF/25V C301 R305 R316 D302 220K R315 4u7/50V...
  • Page 7 TO BUS LINE BOARD CNA01 reset RESET BUS-R BUS-L D404 1N4148 C409 R418 220K 4u7/50V +15V R421 IC402A IC402B R417 C410 D406 D407 4558 4558 R403 10u/25V IC401A 1N4148 1N4148 JK401A R401 C405 4558 BUS PW 1.5K 10u/25V L-IN.4 C412 100uF/25V C401 R405...
  • Page 8 reset RESET BUS-R BUS-L D504 1N4148 C509 R518 220K 4u7/50V +15V R521 IC502A IC502B R517 C510 D506 D507 4558 4558 R503 10u/25V IC501A 1N4148 1N4148 JK501A R501 C505 4558 BUS PW 1.5K 10u/25V L-IN.5 C512 100uF/25V C501 R505 R516 D502 220K R515 4u7/50V...
  • Page 9 reset RESET BUS-R BUS-L D604 1N4148 C609 R618 220K 4u7/50V +15V R621 IC602A IC602B R617 C610 D606 D607 4558 4558 R603 10u/25V IC601A 1N4148 1N4148 JK606A R601 C605 4558 BUS PW 1.5K 10u/25V L-IN.6 C612 100uF/25V C601 R605 R616 D602 220K R615 4u7/50V...
  • Page 10 CNA103 CNA203 CNA303 CNA403 CNA503 CNA603 CTL-3 CTL-3 CTL-3 CTL-3 CTL-3 CTL-3 4700U/35V 4700U/35V 4700U/35V AC~230V/50Hz 4700U/35V 4700U/35V 4700U/35V AC~120V/60Hz POWER SW POWER FUSE 1 TP-1 WL-1 WL-2 AC SOCKET (L) FRONT PANEL T 10A /250V L AC-A.2 WL-6 WL-7 3.3K 1/2W TP-2 4700U/35V...
  • Page 11: Channel Operation

    C751 VDDA 0.1uF R705 +15V +25V C703 VDDP CNA701 L703 C752 100uF/25V BEAD 0.1uF C739 C741 IC702C IC701C 0.1uF 470u/35V 4558 4558 C753 0.1uF C742 C704 C740 HEAT SINK 470u/35V 100uF/25V L704 0.1uF -15V C754 BEAD CTL-3 -25V 0.1uF VSSP CNA702 R706 C755...
  • Page 12 ZONE -4 ZONE - 5 ZONE - 6 +15V +15V +15V VR401 VR402 VR501 VR502 VR603 VR604 B50K B50K B50K B50K B50K B50K LED401 LED501 LED601 RED/GREEN RED/GREEN RED/GREEN CNB105 POW-4 POW-4 CLIP-4 CLIP-4 VCL-4 VCL-4 VCR-4 VCR-4 POW-5 POW-5 CLIP-5 CLIP-5 VCL-5...
  • Page 13 C753 C751 R734 R716 C725 C730 C738 C732 R732 R714 C724 C713 C728 C719 C716 C737 C731 C729 C718 D703 C715 C727 C754 D704 C736 ZD701 C735 C740 C739 C752 R717 R701 R723 R702 R709 R710 R712 R703 R704 R711 IC701 C701 C702...

This manual is also suitable for:

Ys1048