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This is exactly the thing you need to service this box. The manual is complete and the quality of the scan is good. I recommend this!
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The delivery of this manual was very fast, less than 8 hours. The manual is very clear and concise, and helped a great deal in the repair and final setup of the Hitachi HMA-G2 Amplifier.
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Great service. The manual was exactly what I was looking for: schematic + layout. I managed to fix the player. Highly recommended!
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At $5,00 certainly good bang for your buck. Includes electric schematics as well as exploded parts view + parts list for reordering. Unfortunately no details on the PCB contents or working, but then again, this is not overly complex. Best bonus: this manual does contain the heavily searched for LED error codes as well as descriptions for test operation. Haven't gotten around to fixing the machine yet, one thing the manual won't do for you is getting it out of the kitchen assembly :-(
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It`s not your fault tear down is rather incomplete. It doesn`t have complete instructions as to deconstruction for repair.
NN-T695 NN-T685SF
Explanation of the Auto Sensor Cooking process 1. During the first 10 second period there is no microwave activity. When calculating the T2 time by using the formula below make sure this 10 seconds is subtracted from the T1 time. In other words, T1 time starts at the end of the 10 second period. 2. T1 time The total amount of time it takes themicrowave oven to switch to T2 time after the 10second period. 3. T2 time When the steam escapes from the cooking container placed in the oven, the steam sensor detects it and the microprocessor calculates the balance of cooking time. This T2 time is then shown in the display and begins counting down. Balance of cooking time (T2 time) The balance of cooking time which is called T2time, can be calculated by the following formula. T2 time (in sec.) = T1 time X K factor NOTE: Remember, the T1 time starts after the 10 second period. The coefficient K is programmed into the microprocessor memory and they are listed in the following tables along with the P1 and P2 powers. NOTE: When "More" or "Less" pad is selected, the K factor varies resulting in T2 time to be increased or decreased. Example of calculating the T2 time Example 1: If the T1 time is measured to be 2 minutes and 40 seconds after the 10 second period, and the Auto program selected is Oatmeal: T2 = T1 � K = 2 min. and 40 sec. � 0.1 = 160sec. � 0.1 = 16 sec.
Category Oatmeal P1 Power HIGH P2 Power HIGH K Factor Standard 0.1
2.5.
Sensor reheat (Only for sensor models)
Auto Sensor Reheat is a quick and easy way to reheat refrigerated and room temperature foods. Simply press the reheat pad. There is no need to select power level and cooking time. NOTE: The Auto Sensor Reheat process is same as Auto Sensor Cooking process.
Category Sensor Reheat P1 Power HIGH P2 Power MEDIUM K Factor Standard 0.3
2.6.
Steam sensor and digital programmer circuit (Only for sensor models)
In order to determine if the steam sensor function of the digital programmer circuit is working, do the following test. 1. Place a water load (150 cc) in the oven. 2. Tap Sensor Reheat pad. 3. Tap Start pad. 4. Steam Sensor detects steam about 1.5 to 4 minutes after the Start pad is tapped. 5. T1 time cooking automatically switches to remaining time for cooking (T2). 6. The remaining cooking time (T2) appears in display window. If the following cooking time appears, Steam Sensor function is normal.
T1 TIME 1 Min. 30 Sec. ~ 4 Min. T2 TIME (Remainingcooking time) 27 Sec. ~ 1Min.12 Sec.
2.7.
Thermistor
The thermistor which fixed on magnetron detects magnetron temperature and make power down when the temperature becomes abnormal high. A normal thermistor´s resistance values for temperature ranges between 75-85 degree F is from 37k� to 57k�.
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