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This is a service manual in every sense of the word ( French and German versions of the text are included, as well as English..)
There are explanations of the mechanical and electrical functions, plenty of mechanical drawings, and the needed schematics. The quality of the scanning is excellent - all the component values are clearly legible - and very usefully there are pcb component layouts, so you can find a component on the schematic, and then very quicky pinpoint its physical location on the relevant pcb.
I cannot see how I can give this manual any less than the maximum 5 stars! Great value for money, which will pay for itself immediately. Excellent all round!
;
the manual is great and especially hard to find... thanks for the great service and having a hard to find manuel_
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hat alles sehr gut geklappt. Das Servicemaual ist gut zu verwenden. Die Pläne und Schrift
ist klar und leserlich. Außerdem preiswert. Grüße an alle Hifi-Bastler
;
I got the manual quickly after the payment was transfered (1 day). The manual was exactly what i needed and the updates via e-mail were great. Thanx!
Pin No. 32 33
Pin Name LF I LF O
IJo I
Description Input terminal by capacity combination of RF summing amplifier. Output terminal of RF summing amplifier. Check point of Eye pattern. Anti-reverse input terminal for RF summing amplifier.
0
I
34
I
LF M
I
I
The gain of RF amplifier is decided by the connection resistance between RF-M and RFO terminals.
35 36 37
38,39
LIWC LD PD PD1, PD2
I o I
This is a pin where the selection time constant is externally connected to control the RF level. APC amplifier output terminal. APC amplifier input terminal. RFI-V amplifier inverted input pin.
I
I I I Theseare connected to the A+C and B+D pins of the optical pickup, receiving by pins
currents input.
1/0
40
FE(NC)
Bias adjustment pin of the focus error amplifier. (Not used.) F and EIV amplifier inverted input pins.
41,42
F, E
I
These pins are connected to the F and E pins of the optical pickup, receiving by current I input. Gain adjustment pin of the I-V amplifier E. (When not in use of BAL automatic adjustment).
I
I
EI(NC) �
I
43
GND connection pin. Output terminal for tracking-error amplifier. Output E-F signal. BAL adjustment comparator input pin. (Input through LPF from TEO) 47 48 49
50 51
I
TEI ATSC
I I
I I
I I
Input terminal fortracking error. Whdow-comparator input terminal for detecting ATSC. Inputterminalfortracking-zerocrosscomparator. Capacitor connection pin forthetimc constant used when there is defect. Voltage center of DC voltage reduced to half between VCC and VEE. Input terminal for focus-zero cross comparator.
I
I
I
Tzc
TDFCT
Vc
III
I I
o
I
52
F�Zc
I
�21�
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