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The service manual is as described and received the link to the download sooner than expected. Great service, quality product. This site is a big help in the electronics repair business.
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The content of the manual is fantastic. Alignment descriptions, PCB layouts and elementary diagrams are explicit and precise. I immediately found what I was looking for. Thanks to this manual and Owner-Manuals.com my amplifier is alive again. Many thanx indded!
DPX-3070/3070B
TEST MODE
� Test mode (Accumulated elapse time display)
� When in this mode, the mode for �Accumulated Elapse Time Display� will be added in the MENU items at the time when Test Mode Standby is the source. This will make it possible to confirm on the accumulated elapse time. � MENU selection: DIMMER adjustment � � � (NAVI ATT ON/OFF) � (CODE STBY) � Display of DC offset detection results � Accumulated Elapse Time Display � By pressing [ ] or [ ] key for during Accumulated Elapse Time Display, the sources for the accumulation can be switched. (Repeating sequence : TAPE accumulation time � CD accumulation time � TAPE accumulation time)
� Coping with backup current measurement
� Regardless of the Test Mode, when reset in the ACC OFF state (backup ON), MUTE will be OFF after two seconds. (The power for peripherals will not be turned OFF until the CD mechanism stops. This will take two seconds plus.)
� Forced clearing of DC offset detection
� Regardless of the Test Mode, when power is turned on by [SRC] key while depressing the following keys. This will be the forced clearing of DC Err condition in the EEPOM. This will clear the data in the EEPROM even in the case where there is no error data. � Key Operation Press the [SRC] key while pressing the [DISP] and [EQ] key at the same time.
� Releasing the test mode
� The Test Mode is released by the following sequence: Reset, ACC OFF and ON, Power OFF and ON. Also, by ACC OFF and POWER OFF, the Source of Tuner and Audio will go into the initial conditions.
ADJUSTMENT
BALANCE/FADER/BASS/TREBLE : CENTER METAL/DOLBY NR : OFF
INPUT No. ITEM SETTINGS CASSETTE DECK SECTION (FOIL SIDE VIEW of MAIN UNIT) DOLBY 1 (PLAY BACK LEVEL) TCC-130 Connect an AC voltmeter between TAL (TP25) and TAG (GND), also between TAR (TP24) and TAG (GND). TAPE PLAY (EQUALIZER UNIT) VR250A (L) VR250B (R) 388mV OUTPUT SETTINGS SETTINGS POINTS RECEIVER ALIGNMENT ALIGN FOR FIG.
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