Nad L 70 Service Information
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S erv ic e I n fo rm atio n L 70 C ir cu it C han ge P R O BLE M : Y ou m ay h ave t h e c o m pla in t t h at t h e T V S C AR T R G B o u tp u t i s n ot s w itc h in g a u to m atic a lly . C AU SE : T he d riv e c u rre n t o f s o m e t e le vis io n s e ts i s n ot s u ff ic ie n t t o s w itc h t h e R G B o u tp u t. S O LU TIO N: D ele te R E31 1 0 0 o h m r e sis to r o n v id eo b oa rd . A dd a 1 0 o h m r e sis to r b etw ee n P IN 1 6 o f S C A RT c o n necto r ( o n e l e g o f R E31) a n d + 5V r a il( o n e l e g o f R 554 ) o n v id eo b o ard . S ee p h oto a n d s c h em atic d ia gra m . P hoto
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- 2 - S ch em atic PR O DUCTIO N: A ll p ro d uctio n t o S ep te m ber 2 003 a re a ffe c te d . S eria l n um bers t o b e a d vis e d . C on ta ct: N A D E le ctr o n ic s I n te r n atio n al 6 33 G ra n it e C ou rt P ic k er in g, O N C an ad a L 1K 3 K 1 V oic e: 9 05-8 31-0 799 F A X 9 05-8 37-6 357 w w w.n ad ele c tr o nic s.c o m 10/0 7/0 3
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PAGE 1 OF 3 Technical Bulletin L70 Product: DVD Receiver Hardware Technical Bulletin: L70-H2004-05 Date: June 21, 2004 Subject: Fan Kit Installation Note: Previous T.B.s required: q qq q YES q qq q NO DESCRIPTION: The small ventilation fan located on t he DVD mechanism, is noisy or is turning too slowly. REASON: The fan bearing is worn. SOLUTION: Replace the existing fan with the followi ng new fan and parts. This fan is located beside the DVD mechanism. Please note that removal of the dvd mechanism is required for this change. Note, this fan only runs when the dvd input is selected. The fan kit can be ordered under the number: HDMKD1245PFS2 Kit includes: Copal fan, fan bracket , CN89 Wafer R922 82 OHMS ( ORIGINALLY 100 OHMS ) R951 91 OHMS (ORIGINALLY 100 OHMS ) 1. As shown cut the supplied bracket in order to insta ll it with the new fan. 2. Secure fan to the bracket and add some glue to the bottom of the bracket when securing to the chassis. See figure 1 and 2. Figure 1 Contact: NAD Electronics International 633 Granite Court Pickering, ON Canada L1K 3K1 Voice: 905-831-0799 FAX 905-837-6357 www.nadelectronics.com Cut bracket here