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A site where discontinualed schematic diagrams and back dated information can be found on discontinued radios tv's and any electronic equipment can be found. Newer manuals either Service and operating manuals. Radio amateurs should find this site a great source for ham radio equipment manuals. I will return to this site should I need information on any electrical equipment. priced easy to download in a PDF format and print pages need to undertake the repair.
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Quality scan of the original. All the detail necessary to troubleshoot, repair and adjust the unit. I'm sure I will be downloading more manuals in the future as the need arises.
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Exactly as described, a Service Manual complete with the schematics and PCB layout delivered in a timely manner. Many thanks for the great service.
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some of the writing is a bit blur but the part in the schmatic was great and i have fixed the machine thanks
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Well.. I'd searched for this manual and although I found many copies online I was pleased to find your website with a well balanced pricing system and easy to search and follow links. That together with the very quick response time was just what I was looking for.. being a very impatient tech.. ;-) I had the service manual in front of me within a short time.
Bookmarked.. and you can bet I will always come here first for my service & user manuals..
best regards
Ed(Tony) Foley
G7WHK
CD-K1861V TEST MODE
� Setting the test mode Any one of test mode can be set by pressing several keys as follows. <REC. PAUSE> + <DISC. SKIP> + <POWER> TEST: CD operation test � TEST mode Function � CD test mode Setting of TEST mode Indication of CD TST mode (Fig. 11-1) OPEN/CLOSE operation is manual operation. The pickup can be moved by using the ( <MEMORY> LASER ON <MEMORY> Tracking on the spot. SERVO OFF PLAY ) or ( ) key. <STOP> STOP <MEMORY> Tracking on the spot. SERVO ON PLAY IL is not performed.
<PLAY> key input
TOC. IL is performed, and the ordinary PLAY is performed. If the following key is pressed during PLAY, it is possible to specify directly any Track No. <Disc Number 1> key: Track 4 <Disc Number 2> key: Track 9 <Disc Number 3> key: Track 15 ) or ( ) key.
Press <STOP> key.
Stop
Note: Only in STOP state it is possible to slide the pickup with the ( VOL. --- Last memory BAL. --- CENTER R.GEQ. --- FLAT X-BAS --- OFF
1
2
3
Canceling method - POWER OFF
Figure 11-1
CD SECTION
Since this CD system incorporates the following automatic adjustment function, when the pickup is replaced, it is not necessary to readjust it. Since this CD unit does not need adjustment, the combination of PWB and laser pickup unit is not restricted. � Automatic adjustment item 1. Focus offset (Fig. 11-2) 2. Tracking offset (Fig. 11-3) 3. E/F balance (tracking error balance) (Fig. 11-4) 4. RF level AGC function (HF level: constant) 5. RF level automatic follow-up of the tracking gain This automatic adjustment is performed each time a disc is changed. Therefore, each disc is played back using the optimal settings.
0.1s 0.50 V IC1 20 FE FOCUS OFF-SET ADJUST 0.1s 0.50 V IC1 7 TE 10ms 0.50 V IC1 7 TE TRACKING OFF-SET 1 ADJUST 2 TRACKING OFF-SET 1 ADJUST 2 10ms 0.50 V IC1 20 FE Enlarged View
Figure 11-2
200 ms 1V/diV IC 1 15 TO TRACKING/ ERROR BARANCE 1 ADJUST
Figure 11-3
200 ms 1V/diV IC 1 7 TE
2
Figure 11-4 � 11 �
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