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Awesome manual. Complete diagrams of all board assemblies as well as how to get to each part of the t.v. down to the individual screws and their locations. Get it.
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perfect copy, im very satisfied, i was need the diagram over the powersupply and
the copy was very sharp
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This is exactly the service manual I needed.
Complete with all schematics, partslists, PCB layouts and alignment instructions.
This manual covers both the T-4970 en T-488F Onkyo tuner.
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IF PRINTED CIRQUIT BOARD WIRING VIEW WAS ONE TONE LIGHTER, THEN 5 STAR RANK HAS TO BE MY CHOISE.
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Very usefull, good quality drawings !
Muito útil encontrei todas as informações necessárias.
KDC-7024/Y,722,8023
TEST MODE
q How to enter the test mode
While pressing and holding the Preset 1 and Preset 3 keys, reset the unit.
q Test mode specifications of the CD receiver
� Forced ejection is inhibited in the reset start operation. When the unit is reset while a CD is loaded in it, the CD is not recognized by resetting. � Each press of the Track Up key jumps to the following track numbers: No. 9 � No. 15 � No. 10 � No. 11 � No. 12 � No. 13 � No. 22 � No. 14 � No. 9 (The cycle restarts from here.) � Each press of the Track Down key jumps to the previous track number to the track being played. � When the number of total trucks of the MP3 disc or the WMA disc is less than 9, 1st truck is played. � When the disc media is CD, A short press of the Preset 1 key jumps to the track number 28. � When the model is equipped the CD mechanism assembly adapted for MP3 or MP3/WMA disc, the mechanism name and version number are displayed during the FL model is lower stand and Display mode of LCD model is DNPS.
q How to exit from the test mode
While holding the Preset 6 key, reset the unit. (Note) The test mode cannot be terminated by reset the unit, ACC OFF, power OFF and Panel detached, momentary power down.
q Initial status in the test mode
� Sources : ALL OFF � Display : All segments are lit. � Volume : -10 dB (displayed as �30� ) � Loudness : OFF � CRSC : OFF regardless of the presence of switching function. � SYSTEM Q : Flat � WOW : All OFF � BEEP : When pressing any keys, the buzzer generates a beep at any time. � AUX : ON � MENU SYSTEM Q : OFF � Variable model : Default is white � Multifunction : Source dependency (Preset, SCAN, etc.)
q Audio-related specifications
� Pressing the � key on the remote initiates the audio adjustment mode. � BL/F key on the Fader initials. � Continuous holding of a remote control key is inhibited, and � workings are short press of any keys. Bass, Middle and Treble are adjusted in 3 steps of -8 / 0 / +8 with the Track Up/Down keys (Default value at 0). Balance is adjusted in 3 steps of L15 / 0 / R15 with the Track Up/Down keys (Default value at 0). Fader is adjusted in 3 steps of R15 / 0 / F15 with the Track Up/Down keys (Default value at 0). HPF is adjusted in 2 steps of OFF / 170Hz (or 220Hz) with the Track Up/Down keys (Default value at OFF). LPF is adjusted in 2 steps of OFF / 120Hz with the Track Up/Down keys (Default value at OFF). Bass f, Bass Q, Bass EXT, Middle f, Middle Q and Treble f are not dealt with by the audio adjust. The WOW key pass during the audio adjustment as following steps.
Order TruBass q w e r t y OFF ON OFF OFF OFF ON Mod. FOCUS OFF OFF LOW HIGH OFF HIGH SRS OFF OFF OFF OFF ON ON SRS WOW OFF SRS TruBass ON FOCUS LOW FOCUS HIGH SRS ON SRS WOW HIGH Display
q Special display in Tuner mode
When any of the following messages is displayed in Tuner mode, the F/E may be abnormal. � �TNE2P NG� : The EEPROM is set to the default (unstable values) because the F/E was shipped without passing through the adjustment process, etc. � �TNCON NG� : Communication with the F/E is not possible. � � � �
q Forced switching of K3I
Each press of the Preset 6 key in Tuner mode should switch K3I from AUTO � Forced Wide � Forced Middle � Forced Narrow � AUTO. The initial status is AUTO and the display shows these modes as follows. � AUTO : FMA � Forced Wide : FMW � Forced Middle : FMM � Forced Narrow : FMN � �
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