REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

©2010, 2011, 2012, 2013, 2014 Frank Sharp - You do not have permission to copy photos and words from this blog, and any content may be never used it for auctions or commercial purposes, however feel free to post anything you see here with a courtesy link back, btw a link to the original post here , is mandatory.
All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Tuesday 14 July 2020

AIWA CX-BK7 DVD DECK RECEIVER HOW TO ASSEMBLE THE MECHANISM

CX-BK7 Aiwa DVD DECK RECEIVER How to assemble the mechanism


HOW TO INSTALL THE CAM (EJECT LOCK)
Rotate the cam (BU U/D) fully in the direction of arrow.
2 Engage the gear (eject lock) and the gear of the cam (eject lock) aligning the mark with the center of the gear (eject lock)
HOW TO INSTALL THE CAM (GEAR)
Check that the cam (BU U/D) can not be rotated in the direction of arrow.
2 Align the mark on the cam (gear) with the boss as shown in the figure and install the cam (gear).
HOW TO INSTALL THE GEAR (MODE 2)
1 Align the mark on the rotary encoder (S701) with the projection of the assy.
2 Check that the cam (BU U/D) can not be rotated in the direction of arrow.
3 Install the gear (mode 2
HOW TO INSTALL THE GEAR (MODE CAM)
1 Slide the shaft in the direction of arrow.
2 Align mark A on the gear (mode cam) with mark B on the slider (mode cam) assy, then install the gear (mode cam).
3 Check that mark C on the gear (mode cam) is in alignment with mark D on the cam (gear).
HOW TO INSTALL THE ROTARY ENCODER (S702), GEAR (STOCKER COMMUNICATION), HOW TO INSTALL THE CAM (STOCKER U/D)
PHASE ADJUSTMENT BETWEEN PINIONS (SLIDER) AND SLIDER-1 TO 5 (L/R)
1 As shown in the following figure, adjust the portion A of each slider to the boss with the slider-1 to 5 (L) and the slider-1 to 5 (R) pushed in the arrow directions respectively (see Fig)
2 Paying attention to the up/down direction of the pinion (slider) (see Fig. 2), install each pinion (slider) so that the portion B of each pinion (slider) meshes with the portion A of each slider (see Fig. 3).
Note: Push in the pinion (slider) until the claw of the boss comes out above the pinion (slider) to lock.
How to disassemble the optical pick-up mechanism: OPTICAL PICK-UP SECTION (DVBU16V)
SW (1) BOARD, SW (2) BOARD, SW (3) BOARD, SW (4) BOARD, BRACKET (TOP) ASSY and RELAY BOARD
MOTOR (STOCKER) ASSY (STOCKER) (M761): MOTOR (ROLLER) ASSY (ROLLER) (M781): MOTOR (MODE) ASSY (MODE) (M771)
TIMING BELT (FRONT/REAR):  CAM (GEAR):  SENSOR BOARD