|
|
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
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.
;
perfect copy, im very satisfied, i was need the diagram over the powersupply and
the copy was very sharp
;
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.
 ;
IF PRINTED CIRQUIT BOARD WIRING VIEW WAS ONE TONE LIGHTER, THEN 5 STAR RANK HAS TO BE MY CHOISE.
;
Very usefull, good quality drawings !
Muito útil encontrei todas as informações necessárias.
SECTION 3 ELECTRICAL ADJUSTMENT (VHS)
3.1 Syscon circuit Note: � When perform this adjustment, remove the Mechanism assembly. 3.1.1 Timer clock
Signal Mode Equipment (A) (B) (C)
Measuring point (D1) Short point (D2) (D3) Adjustment part (F) Specified value (G)
� No signal � EE � Frequency counter � IC3001 pin 61 � IC3001 pin 24 � C3026 + and � � C3025 (TIMER CLOCK) � 1024.008 ± 0.001 Hz
(976.5549 ± 0.0010 µsec)
(1) Connect the frequency counter to the measuring point (D1). (2) Connect the short wire between the short point (D2) and Vcc (5V). (3) Short the leads of capacitor (D3) once in order to reset the microprocessor of the SYSCON. (4) Disconnect the short wire between the short point (D2) and Vcc then connect it again. (5) Adjust the Adjustment part (F) so that the output frequency becomes the specified value (G).
3-1
|
|
|
> |
|
