This a common problem with NAD amplifiers.
The caps dry up.Look on the protect pcb, this mounted verticaly near the rear of the main pcb, it has a metal frame around it.
Check the 4 x 10000uf smoothing caps, if the tops are not flat, they will need to be replace with 100volt ones.
Also on the right side of the main pcb around a couple of heat sinks there are other caps which dry out.
You have to remove both output modules to remove the main pcb as there is limited access from underneath.
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Re: Power light switches to red.
check speaker connection as informatica says.
Also i have experienced that nad 216thx, 218thx, etc has problem with bad soldering on the psu pcb i the buttton of the chassic, chaeck for bad soldering on this pcb. Might do the work.
i have a schematic, one channal only, on my homepage www.miguelovitch.dk
best regards michael miguelovitch
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Re: Power light switches to red.
I suggest rechecking the speaker wiring in case there is a small "whisker" of wire touching either the case or adjacent terminal, also check the speaker end of the wires for same. Do you have a pet? I have seen wires chewed partly through by cats (& rabbits)! See the information from the manual below:
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Hi, I have a 2014 Grand Cherokee Laredo E. There is a white line at the top of the cupholders that I would expect to light up with the ambient lighting, but does not light up in my truck. Does it light up in others? Is there a way to get lighting in there?
2015 Jeep Grand Cherokee fuse layout Power Distribution Center
The Power Distribution Center (PDC) is located in the engine compartment near the battery.
F03 60 Amp Yellow - Radiator Fan
F05 40 Amp Green - Compressor for Air Suspension - If Equipped
F06 40 Amp Green - Anti-lock Brakes/Electronic Stability Control Pump
F07 40 Amp Green - Starter Solenoid
F08 20 Amp Blue - Emission Sensors (Diesel engine only)
F09 30 Amp Pink - Diesel Fuel Heater (Diesel engine only)
F10 40 Amp Green - Body Controller/Exterior Lighting #2
F11 30 Amp Pink - Trailer Tow Electric Brake - If Equipped
F12 40 Amp Green - Body Controller #3/Power Locks
F13 40 Amp Green - Blower Motor Front
F14 40 Amp Green - Body Controller #4/Interior Lights #2
F17 30 Amp Pink - Headlamp Washer- If Equipped
F19 20 Amp Blue - Headrest Solenoid- If Equipped
F20 30 Amp Pink - Passenger Door Module
F22 20 Amp Blue - Engine Control Module
F23 30 Amp Pink - Interior Lights #1
F24 30 Amp Pink - Driver Door Module
F25 30 Amp Pink - Front Wipers
F26 30 Amp Pink - Anti-lock Brakes/Stability Control Module/Valves
F28 20 Amp Blue - Trailer Tow Backup Lights - If Equipped
F29 20 Amp Blue - Trailer Tow Parking Lights - If Equipped
F30 30 Amp Pink - Trailer Tow Receptacle - If Equipped
F32 30 Amp Pink - Drive Train Control Module
F34 30 Amp Pink - Slip Differential Control
F35 30 Amp Pink - Sunroof - If Equipped
F36 30 Amp Pink - Rear Defroster
F37 25 Amp Clear - Rear Blower Motor - If Equipped
F38 30 Amp Pink - Power Inverter 115V AC - If Equipped
F39 30 Amp Pink - Power Liftgate - If Equipped
F40 - 10 Amp Red Daytime Running Lights/Headlamp Leveling
F42 - 20 Amp Yellow Horn
F44 - 10 Amp Red Diagnostic Port
F46 - 10 Amp Red Tire Pressure Monitor - If Equipped
F49 - 10 Amp Red Integrated Central Stack/Climate Control
F50 - 20 Amp Yellow Air Suspension Control Module - If Equipped
F51 - 15 Amp Blue Ignition Node Module/Keyless Ignition/Steering Column Lock
F52 - 5 Amp Tan Battery Sensor
F53 - 20 Amp Yellow Trailer Tow - Left Turn/Stop Lights - If Equipped
F55 - 10 Amp Red DTV/DSRC
F56 - 15 Amp Blue Additional Content (Diesel engine only)
F57 - 15 Amp Blue HID Headlamps LH - If Equipped
F59 - 10 Amp Red Purging Pump (Diesel engine only)
F60 - 15 Amp Blue Transmission Control Module
F61 - 10 Amp Red Transmission Control Module/PM Sensor (Diesel engine only)
F62 - 10 Amp Red Air Conditioning Clutch
F63 - 20 Amp Yellow Ignition Coils (Gas), Urea Heater (Diesel)
F64 - 25 Amp Clear Fuel Injectors/Powertrain
F66 - 10 Amp Red Sunroof/Passenger Window Switches/Rain Sensor
F67 - 15 Amp Blue CD/DVD/Bluetooth Hands-free Module - If Equipped
F68 - 20 Amp Yellow Rear Wiper Motor
F69 - 15 Amp Blue Spotlight Feed - If Equipped
F70 - 20 Amp Yellow Fuel Pump Motor
F71 - 30 Amp Green Audio Amplifier
F73 - 15 Amp Blue HID Headlamp RH - If Equipped
F74 - 20 Amp Yellow Brake Vacuum Pump - If Equipped
F76 - 10 Amp Red Anti-lock Brakes/Electronic Stability Control
F77 - 10 Amp Red Drivetrain Control Module/Front Axle Disconnect Module
F78 - 10 Amp Red Engine Control Module/Electric Power Steering - If Equipped
F80 - 10 Amp Red Universal Garage Door Opener/Compass/Anti-Intrusion Module
F81 - 20 Amp Yellow Trailer Tow Right Turn/Stop Lights
F82 - 10 Amp Red Steering Column Control Module/Cruise Control
F83 - 10 Amp Red Fuel Door
F84 - 15 Amp Blue Switch Bank/Instrument Cluster
F85 - 10 Amp Red Airbag Module
F86 - 10 Amp Red Airbag Module
F87 - 10 Amp Red Air Suspension - If Equipped/Trailer Tow/Steering Column Control Module
F88 - 15 Amp Blue Instrument Panel Cluster
F90/F91 - 20 Amp Yellow Power Outlet (Rear seats) Selectable
F92 - 10 Amp Red Rear Console Lamp - If Equipped
F93 - 20 Amp Yellow Cigar Lighter
F94 - 10 Amp Red Shifter/Transfer Case Module
F95 - 10 Amp Red Rear Camera/ParkSense®
F96 - 10 Amp Red Rear Seat Heater Switch/Flashlamp Charger - If Equipped
F97 - 20 Amp Yellow Rear Heated Seats & Heated Steering Wheel - If Equipped
F98 - 20 Amp Yellow Front Heated Seats - If Equipped
F99 - 10 Amp Red Climate Control/Driver Assistance Systems Module
F100 - 10 Amp Red Active Damping - If Equipped
F101 - 15 Amp Blue Electrochromatic Mirror/Smart High Beams - If Equipped
F103 - 10 Amp Red Cabin Heater (Diesel Engine Only)/Rear HVAC
F104 - 20 Amp Yellow Power Outlets (Instrument Panel/Center Console)
Plug out the device,Open the outer shell or strip the outer shell take a hair dryer heat up the board slightly until it feels slightly warm then plug in and switch on and remove disc.Then put outer shell back and fasten screws that where removed.
F1 Cartridge 20 Blue Dip beam, High Intensity Discharge (HID) light relay. F2 Cartridge 50 Red Ignition relay feed. F3 Cartridge 60 Yellow ABS. F4 Cartridge 30 Pink Rear window heater/heated mirrors relay. F5 Cartridge 30 Pink Automatic transmission control module relay. F6 Cartridge 30 Pink Heater blower relay. F7 Cartridge 50 Red Power supply to passenger compartment fuse box. F8 Cartridge 80 Black Blower module. F9 Cartridge 50 Red Engine management system power relay. F10 Cartridge 20 Blue Headlight power wash pump relay. F11 Mini Not used. F12 Mini Not used. F13 Mini 30 Green Heated front screen right-hand side. F14 Mini Not used. F15 Mini 30 Green Heated front screen left-hand side. F16 Mini 20 Yellow Left-hand dip beam, day time running lights, autolights. F17 Mini 20 Yellow Right-hand dip beam, HID lights. F18 Mini 20 Yellow Throttle motor supply. F19 Mini 15 Blue Screenwash pump, rain sensing system. F20 Mini 5 Tan Navigation display. F21 Mini 15 Blue Side (Parking) lights. F22 Mini 20 Yellow Accessories relay. F23 Mini 10 Red Air conditioning compressor clutch. F24 Mini 15 Blue Door lock power. F25 Mini 15 Blue Direction indicators (GEM). F26 Mini 15 Blue Horns. F27 Mini 10 Red Automatic transmission control module, transit relay. F28 Mini 15 Blue Ignition switch. F29 Mini 30 Green Starter motor solenoid. F30 Mini 30 Green Accessory sockets. F31 Mini 10 Red Engine management relay coil. F32 Mini 5 Tan Engine management control. F33 Not used. F34 Diode D3 Not used. F35 Diode D2 Engine management control relay diode. F36 Mini 10 Red Canister purge valve, airflow meter, throttle motor relay, power wash relay, air conditioning relay. F37 Mini 15 Blue Engine management system, blower speed controller, road speed sensor (if fitted). F38 Mini 30 Green Oxygen sensor heaters A. F39 Mini 5 Tan Variable intake valves. F40 Mini 15 Blue Automatic transmission control module. F41 Mini 10 Red Injectors. F42 Mini 30 Green Oxygen sensor heaters B.
F60 Mini 20 Yellow Power windows left-hand. F61 Mini 20 Yellow Power windows right-hand. F62 Mini 7.5 Brown Rear fog lights. F63 Mini 7.5 Brown Right-hand - front side light, side markers, rear tail lights. F64 Mini 7.5 Brown Left-hand - front side light, side markers, rear tail lights. F65 Mini Not used. F66 Mini 30 Green Left-hand power seat switches, heater module, lumbar pump. F67 Mini 5 Tan Battery back-up sounder, transit relay, HID/dip relay, automatic transmission control module. F68 Mini 15 Blue Cigar lighter. F69 Mini 7.5 Brown Telematics display, In-car entertainment head unit, antenna module, navigation module, VICS (Japan), parking aid, amplifier premium 1 system, phone handset, phone power supply module, instrument cluster, PATS module. F70 Mini 30 Green Right-hand power seat switches, heater module, lumbar pump. F71 Mini 15 Blue VICS (Japan), telephone transceiver, telephone handset. F72 Mini 15 Blue Radio head unit, CD player, navigation electronic control module, Jaguar diagnostic connector/OBDII connector. F73 Mini 15 Blue Sunroof unit/module. F74 Mini 15 Blue Instrument cluster, Premium ICE amplifier unit. F75 Mini 7.5 Brown Mirror fold back module, battery back-up sounder, air conditioning ECU. F76 Mini Not used. F77 Mini 7.5 Brown Left-hand and right-hand heated seats modules. F78 Mini 5 Tan Phone power supply. F79 Mini 10 Red Automatic transmission only: Reverse lights, reverse light switch, reverse park aid, electrochromic mirror, instrument cluster. F80 Mini 7.5 Brown Park interlock, heater switch, OBDII, blower relay. F81 Mini 20 Yellow Fuel pump control module. F82 Mini 10 Red Variable power steering, alternator. Manual transmission only: Reverse lights, reverse light switch reverse park aid, electrochromic mirror, instrument cluster. F83 Mini 15 Blue Not used. F84 Mini 5 Tan Instrument cluster, passenger airbag fascia light, seat weight sensor. F85 Mini 7.5 Brown Right-hand high beam light. F86 Mini 7.5 Brown Left-hand high beam light. F87 Mini 15 Blue Front fog lights, master light switch. F88 Mini Not used. F89 Mini Not used. F90 Mini 7.5 Brown Stop lights, cruise control. F91 Mini 10 Red Sunroof, electrochromic mirror, power windows, power mirrors. F92 Mini 10 Red Manual transmission cruise control clutch switch, ignition coils, automatic transmission rotary switch. F93 Mini 30 Green Windscreen wipers. F94 Mini 20 Yellow HID module. F95 Mini 10 Red Airbag restraints module. F96 Mini 7.5 Brown ABS module. F97 Mini 7.5 Brown Glove compartment light, instrument cluster lights, licence plate lights. F98 Mini 10 Red Mirror heaters. F99 Mini 10 Red Luggage compartment light, footwell lights, puddle lights, vanity mirror lights, interior lights, aircon control unit, roof console unit.__________________ 02 X-type 3.0l 04 S-type 3.0l 07 X-type 3.0l
Yes this is the GPU overheating you will get this and then it will go to freezing and then the red lights, you need to stop the heat build up you can do this yourself or you can send it in to get it fixed.
It does sound like a power supply problem but that can be misleading because a problem somewhere else in the TV can be "holding down" the power supply. This can usually be determined by using some isolation techniques.