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KENWOOD DPX6020
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of KENWOOD DPX6020 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Text excerpt from page 11 (click to view)
DPX-6020
TEST MODE / ADJUSTMENT
sHow to enter the text mode
While pressing on 1 and 3 keys, press the RESET key.

sPanel Mechanism Adjustment
The mechanism detects the open/close position of the panel and writes it to the E2PROM.

sStarting on the test mode
Major initial positions • When booted with everything off, the test mode starts up. • The valueof the volume is –40dB (indication is 15). • FL lamps all light up. • The diversity is off. • Position: All. • EQ: Flat • COMPRESSOR: OFF • SPE/ANA: PEAK HOLD

[ How to enter the test mode ]
After entering the above-mentioned test mode, switch over to the tuner mode. Then, press on the TI knob for some time and the unit will go into panel mechanism test mode, which is indicated by STAND-BY display.

Method:
Each time Open/Close key (*key) of the remote controller is pressed, full-open and full-close positions are registered. (There will be OPEN ENTRY/ CLOSE ENTRY display and three beeps are sound.)

sAll display lamps lighting up
Since there are many segments on the display section, bridging with other segments can be confirmed. By track up/down keys, grids and segments can be lighted up individually.

Releasing:
When TI key is pressed, the unit goes back to the previous test mode. Pressing the reset key will take the unit to the initial condition.

sOpening/Closing Time of the Panel Mechanism
When each time the Angle/Retune button is pressed, time is displayed after going into the tuner mode. From the maximum angle to return, it takes about 1.2S.

sDOLBY Adjustment
Using the extension cord (W05-0755-00), separate the mechanism from the unit. Play the TCC-130 and adjust the test round value to 300mV with the VR1, 2 on the X30 Board. (Refer to the PC BOARD.) Balance with FWD and REV.

sCD Mechanism Panel Disk Detection
Sensor behavior for detecting whether there is CD disk or not can be checked. When the sensor is closed off after a disk is inserted, it beeps four times.

sReleasing the Security Code
The unit will go into release mode when Preset 6 is pressed while Preset 1 is being pressed. The character “C” is displayed at the right end of the character display. At this point, input KCAR by using 1, 2, 3, and 4 key of the remote controller. Confirm with PLAY/PAUSE key and the security code will be released.

sFM S-Meter Adjustment (Stop Adjustment and others)
Method:
SG Output: Set to 35dBµ 98.1MHz. (with no modulation) During the above text mode, when Preset 1 and Preset 6. are pressed at the same time, the adjustment begins. When adjustments is completed normally, OK is displayed and there will be one beep of 2kHz. In this case the stop adjustment values will be between 15~25dBµ. When the S-meter value is outside of the standard system control values, NG is displayed and the initial value of the system control is written in the E2PROM.

sSpecifications for the Amplifier Control Terminal
The bass boost function of the amplifier can be remote control from the unit. This is a one-way communication, using one control line. The control is made with pulse widths of the three kinds of communication data. Five cycle pulses are generated from the unit side and when there are three consecutive successes, communication is established. The pulse widths are as shown below and the cycle is 200ms. HI: 100ms LOW: 70ms OFF: 40ms

sAM Stop Adjustment
Method:
SG Output: Set to 35dBµ 999kHz. (with no modulation) During the above text mode, when Preset 1 and Preset 6. are pressed at the same time, the adjustment begins. When adjustments is completed normally, OK is displayed and there will be one beep of 2kHz. In this case the stop adjustment values will be between 30~43dBµ . When the S-meter value is outside of the standard system control values, NG is displayed and the initial value of the system control is written in the E2PROM.

11

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