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File name:TFT Monitor SDM-N80 - Chassis SLM1.part1.rar
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Descr:TFT Monitor SDM-N80 - Chassis SLM1
Group:Electronics > Automobile > Electrical diagram
Uploaded:13-02-2006
User:Pive
Multipart: 0  1  2  3

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File name TFT Monitor SDM-N80 - Chassis SLM1.pdf

SDM-N80 SERVICE MANUAL US Model Canadian Model AEP Model Chassis No. SCC-L37A-A SLM1 CHASSIS SPECIFICATIONS LCD panel Input signal format Resolution** Video input connector Input signal levels Audio output Headphones jack AUDIO IN jacks Panel type: a-Si TFT Active Matrix Picture size: 18.1 inch (46 cm) RGB operating frequency* Horizontal: 28 ­ 107 kHz (analog RGB signal) 28-92 kHz (digital RGB signal) Vertical: 48 ­ 85 Hz** Horizontal: Max.1280 dots Vertical: Max.1024 lines Analog RGB: HD15 Digital/analog RGB: DVI-I 29 pins Analog RGB video signal 0.700 Vp-p, 75 , positive SYNC signal TTL level, 2 k , positive or negative (Separate horizontal and vertical, or composite sync) 0.3 Vp-p, 75 , negative (Sync on green) Digital RGB (DVI) video signal TMDS (Single link) 1W×2 Stereo minijack Accepts impedance of 16 ­ 48 Stereo minijack × 2 Accepts impedance of 47 k Accepts level 0.5 Vrms Power requirements Power consumption Operating temperature Dimensions (w/h/d) Mass Plug & Play 100 ­ 240 V, 50 ­ 60 Hz, 0.7 ­ 0.4 A Max. 67 W 5 ­ 35 °C Display (upright): Approx. 432 400 195 mm (17 1/8 × 15 3/4 × 7 3/4 inches) Media engine: Approx. 94 × 212 × 204 mm (3 3/4 × 8 3/8 × 8 1/8 inches) Display: Approx. 6.5 kg (14 lb 5 oz) Media engine: Approx. 1.5 kg (3 lb 5 oz) DDC2B * Recommended horizontal and vertical timing condition Horizontal sync width duty should be more than 4.8% of total horizontal time or 0.8 µs, whichever is larger. Horizontal blanking width should be more than 2.5 µsec. Vertical blanking width should be more than 450 µsec. **A 1600 × 1200 resolution signal is acceptable only when it is a digital RGB signal and its vertical frequency is 60 Hz. Design and specifications are subject to change without notice. TFT LCD COLOR COMPUTER DISPLAY SAFETY CHECK-OUT After correcting the original service problem, perform the following safety checks before releasing the set to the customer: 1. Check the area of your repair for unsoldered or poorly-soldered connections. Check the entire board surface for solder splashes and bridges. 2. Check the interboard wiring to ensure that no wires are "pinched" or contact high-wattage resistors. 3. Check that all control knobs, shields, covers, ground straps, and mounting hardware have been replaced. Be absolutely certain that you have replaced all the insulators. 4. Look for unauthorized replacement parts, particularly transistors, that were installed during a previous repair. Point them out to the customer and recommend their replacement. 5. Look for parts which, though functioning, show obvious signs of deterioration. Point them out to the customer and recommend their replacement. 6. Check the line cords for cracks and abrasion. Recommend the replacement of any such line cord to the customer. 7. Check the B+ and HV to see if they are specified values. Make sure your instruments are accurate; be suspicious of your HV meter if sets always have low HV. 8. Check the antenna terminals, metal trim, "metallized" k



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