|
|
|
Who's Online
There currently are 5798 guests online. |
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
Great PDF easy to read good info needed for replacment of belts and assembly and specs.
;
complete and unabridged very good quality
easy to download.
recieved in two days.
;
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.
Section 3 Test Mode (Self-diagnosis)
HKPF-D270 is carried out the self-diagnosis of a defective circuit block in the test mode.
1. Statting of test mode Select DIP switch S5-1 to the lower (ON) position and turn ON the power switch of PFV-HD300/HD50A. Or select DIP switch S5-1 to the lower (ON) position and press system reset switch S1.
2. Lighting confirmation of display lamp All LEDs (from D2, D4 to D6, D8, D9 and D12) light for one second. D12 does not light off.
Inspection point NG Abnormality is found in the LED that is lighted off, its peripheral pattern, and soldering.
OK 3. Confirmation of circuit block LEDs (from D2, D4 to D6, D8 and D9) blink simultaneously. NG Inspection points 1 When D2 lights: Abnormality is found in IC62, its peripheral pattern, and soldering. 2 When D4 lights: Abnormality is found in IC72, its peripheral pattern, and soldering. 3 When D5 lights: Abnormality is found in IC74 and IC 75, these peripheral patterns, and solderings. 4 When D6 lights: Abnormality is found in IC87, its peripheral pattern, and soldering. 5 When D8 lights: Abnormality is found in IC80, its peripheral pattern, and soldering. 6 When D9 lights: Abnormality is found in IC89, its peripheral pattern, and soldering.
OK
Set DIP switch S5-1 to the upper (OFF) position, and turn OFF/ON the power switch of PFV-HD300/HD50A or press the system reset switch (S1).
HKPF-D270 MM
3-1 (E)
|
|
|
> |
|
