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Very useful service manual, was exactly what i needed.Good quality,reasonable price.Thank you.
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Acurate informations inside the SM and I could repair my old Sansui SC-3330 without any problems. Thanks.
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I used it to repair a NAD 7030, but unfortunately, the 7045 is different !
But documentation was useful.
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Content A4 and A3 format pages. Exactly what I needed to restore my old receiver.
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Content A4 and A3 format pages. Exactly what I needed to restore my old receiver.
SECTION 3 SERVICE MODE
Connections and Operations When Used Alone Normally, use the unit connected to the HTC-WX5 as follows. Basically, when servicing the unit, connect the unit as follows.
UNIT SYSTEM CONTROL 17P
HTC-WX5
AC IN
Even when not connected to the HTC-WX5, the unit can operate alone as it mounts a power supply (some functions will however not be available).
MC Cold Reset � The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the customer. Procedure: 1. Press three buttons EDIT , ENTER/NEXT , and DISPLAY/DEMO simultaneously. 2. The fluorescent indicator tube becomes blink instantaneously, and the set is reset. CD Delivery Mode (This mode can be used only when the HTC-WX5 is connected.) � This mode moves the pick-up to the position durable to vibration. Use this mode when returning the set to the customer after repair. Procedure: 1. Press 1/u button to turn the set ON. 2. Press LOOP button and 1/u button simultaneously. 3. A message �LOCK� is displayed on the fluorescent indicator tube, and the CD delivery mode is set. MC Hot Reset � This mode resets the set with the preset data kept stored in the memory. The hot reset mode functions same as if the power cord is plugged in and out. Procedure: 1. Press three buttons REPEAT , ENTER/NEXT , and DISPLAY/DEMO simultaneously. 2. The fluorescent indicator tube becomes blink instantaneously, and the set is reset. Sled Servo Mode (This mode can be used only when the HTC-WX5 is connected.) � This mode can run the CD sled motor freely. Use this mode, for instance, when cleaning the pick-up. Procedure: 1. Select the function �CD�. 2. Press three buttons FLASH , ENTER/NEXT , and KARAOKE PON/MIX simultaneously. 3. The Sled Servo mode is selected, if �CD� is blinking on the fluorescent indicator tube. 4. With the CD in stop status, press ) + button move the pick-up to outside track, or � 0 button to inside track. 5. To exit from this mode, perform as follows: 1) Move the pick-up to the most inside track. 2) Press three buttons in the same manner as step 2. Note: � Always move the pick-up to most inside track when exiting from this mode. Otherwise, a disc will not be unloaded. � Do not run the sled motor excessively, otherwise the gear can be chipped. Change-over of FUNCTION Name � The FUNCTION name of external input terminal can be changed over to VIDEO 1 or MD. With the FUNCTION selected to �MD�, about 5dB mute is applied to the input gain. Procedure: 1. Press 1/u button to turn the set OFF. 2. Press 1/u button together with FUNCTION button, and the power is turned on, the display of fluorescent indicator tube changes to �MD� or �VIDEO 1� instantaneously, and thus the FUNCTION is changed over. Change-over of AM Tuner Step between 9kHz and 10kHz � A step of AM channels can be changed over between 9kHz and 10kHz. Procedure: 1. Press 1/u button to turn the set ON. 2. Select the function �TUNER�, and press TUNER BAND button to select the BAND �MW�. 3. Press 1/u button to turn the set OFF. 4. Press ENTER/NEXT and 1/u buttons simultaneously, and the display of fluorescent indicator tube changes to �MW step 10� or �MW step 9�, and thus the channel step is changed over.
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