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PIONEER 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. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 1999 O–ZZR JULY 1999 Printed in Japan...
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If any part marked by × is replaced, there is danger of being exposed to X-rays. ÷ Reference Nos. indicate the pages and Nos. in the service manual for the base model. CONTRAST TABLE SD-T50W1/WYZI7/2 and SD-T50W1/SL are constructed the same except for the following: Part No. Ref.
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SD-T50W1 Part No. Ref. Mark Symbol and Description Remarks SD-T50W1 SD-T50W1 WYZI7/2 PACKING P8-152 Operating Instructions (English) ARB1500 Not used Operating Instructions Not used ARC1500 (Dutch/Swedish/Spanish/Portuguese) Operating Instructions Not used ARE1342 (English/French/German/Italian) P8-155 Caution Label 220V ARR1002 Not used P8-156...
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SD-T50W1 CONTRAST OF PCB ASSEMBLIES VIDEO • UCOM ASSY AWV1566 and AWV1542 are constructed the same except for the following: Part No. Mark Symbol and Description Remarks AWV1542 AWV1566 VIDEO BLOCK ∗ C1184–C1186 Not used CKDYB102K50 ∗ C1187 Not used CCDSL221J50 ∗...
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SD-T50W1 AUDIO ASSY AWZ6123 and AWZ6086 are constructed the same except for the following: Part No. Symbol and Description Remarks Mark AWZ6086 AWZ6123 ∗ L3703, L3704 Line Filter Not used ATF1090 ∗ L3707–L3710 Not used ATX1008 ∗ C3748, C3749 Not used CKCYB332K50 ∗...
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SD-T50W1 PCB PARTS LIST Mark No. Description Part No. Mark No. Description Part No. L1529, L1651, L1703 LAU2R2K TUNER ASSY L1785 LAU2R7J SEMICONDUCTORS L1753 LAU2R7K L1782 LAU3R3J IC1752 AT24C01A10PC L1751 LAU3R3K IC1651 CXA1734S IC1701 LA7710 L1512 LAU3R9J IC1501 UPC1823ACU L1513, L1783, L1784...
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SD-T50W1 Mark No. Description Part No. Mark No. Description Part No. C1591, C1683, C1703 CEAS221M16 RELAY ASSY C1570, C1579, C1588, C1590, C1593 CEAS470M25 SEMICONDUCTORS C1599, C1600, C1670, C1752, C1757 CEAS470M25 C1763, C1766, C1768, C1771, C1786 CEAS470M25 D921 HSS104-02 C1586 CEAS471M16 SWITCHES AND RELAYS C1574, C1655, C1656, C1664–C1666...
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SD-T50W1 2. SCHEMATIC DIAGRAM Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "PCB PARTS LIST". 2.1 OVERALL WIRING DIAGRAM Only the differences in the overall wiring diagram between WYZI7/2 type and SL type are shown.
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SD-T50W1 2.2 POWER SUPPLY and RELAY ASSEMBLIES Only the differences in the power supply assy between WYZI7/2 type and SL type are shown. To POWER TRANSFORMER ADX2247 POWER SUPPLY ASSY (1/3) (AWV1767) Power Supply Block RELAY DRIVE ASSY E13 SCH–17)
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SD-T50W1 H. DEFLECTION BLOCK SCH–15) RELAY ASSY (AWV1768) To S2 POWER To T1 POWER TRANSFORMER SWITCH...
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SD-T50W1 2.4 AV I/O ASSY 5.3 AV I/O ASSY (1/2) Only the differences in the AV I/O assy between WYZI7/2 type and SL type are shown. AV I/O ASSY (1/2) (AWZ6121) AV I/O BLOCK SCH-3 SCH-3 5.4 AV I/O ASSY (2/2)
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SD-T50W1 2.5 VIDEO • UCOM ASSY (1/2) Only the differences in the VIDEO • UCOM assy (1/2) between WYZI7/2 type and SL type are shown. 5.5 VIDEO UCOM ASSY (1/2) SCH-5 SCH-5 VIDEO • UCOM ASSY (1/2) (AWV1566) VIDEO BLOCK...
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SD-T50W1 2.6 VIDEO • UCOM ASSY (2/2) VIDEO • UCOM ASSY (2/2) (AWV1566) UCOM BLOCK To AV I/O ASSY TELETEXT BLOCK...
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SD-T50W1 2.8 CONVERGENCE ASSY Only the differences in the convergence assy between WYZI7/2 type and SL type are shown. CONVERGENCE ASSY (AWV1547) 5.11 CONVERGENCE ASSY SCH-11 SCH-11...
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SD-T50W1 3. PCB CONNECTION DIAGRAM NOTE FOR PCB DIAGRAMS: 1. Part numbers in PCB diagrams match those in the schematic Symbol in PCB Symbol in Schematic Part Name diagrams. Diagrams Diagrams 2. A comparison between the main parts of PCB and schematic diagrams is shown below.
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SD-T50W1 3.2 POWER SUPPLY ASSY To RELAY ASSY To RELAY ASSY CN924 04 CN923 POWER SUPPLY ASSY...
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SD-T50W1 4. ADJUSTMENT Note: Only the differences in the adjustment between WYZI7/2 type and SL type are shown. 4.1 WHEN TUNER ASSY WAS REPAIRED For System B/G Step Adjustment Adjustment Item Input Signal Adjustment Procedure Point Adjacent audio trap Adjust so that the 40.4 MHz carrier level of TP1501 (SAW IN) becomes...