|
|
|
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.
3-2-4. Horizontal Hold Adjustment
Note: When this adjustment is carried out, �3-2-2. Heater Voltage Pre-Adjustment� must be confirmed. Object: White Window chart
3-2-5. Focus Adjustment
Note: �3-2-6. Picture Frame Adjustment� and this adjustment affect each other. Repeat these adjustments until both specifications are met. Also, confirm �3-22.Heater Voltage Pre-Adjustment� .
Equipment: Waveform monitor, Oscilloscope Trigger: CH2/Oscilloscope Preparation: 1. Shoot the White Window chart and adjust the lens zoom so that the picture on the monitor screen becomes all white.
Monitor Screen
Object: Resolution chart Equipment: Waveform monitor Preparation: 1. IRIS AUTO/MANU (Lens) � MANU 2. BRIGHT control (Viewfinder) � Mechanical center 3. CONTRAST control (Viewfinder) � Fully clockwise 2 4. PEAKING control (Viewfinder) � Fully counterclockwise 3
Adjustment:
2. Adjust the iris control for the white level at VIDEO OUT connector on the camera is 100 ±2 IRE (PAL: 700 ±14 mV). Test point: CH1 TP4 (G1)/MAIN board CH2 TP9 (+H DEF)/MAIN board Adjusting point: 1RV5 (H-HOLD)/MAIN board Adjustment:
CH-1
1. Adjust the lens zoom so that the resolution chart frame coincides the underscanned picture frame on the monitor screen.
Monitor Screen
A CH-2 A=B
B
2. Adjust the iris control for the white level at VIDEO OUT connector on the camera is 100 ±2 IRE (PAL: 700 ±14 mV). 3. Adjust 1RV3 (FOCUS)/MAIN board so that the picture on the viewfinder screen is best focused.
TP1 TP3 TP2 TP4 TP5 TP6 TP7
CN7 CN1 CN6 CN8 CN3 RV4
(VH-ADJ)
CN2 RV1
(VO-ADJ)
RV2(H-SIZE) RV3(FOCUS) RV14(OPAMP-ADJ) RV15(V-SIZE : WIDE)
(DXF-701WS/701WSCE only)
R76 RV5 TP12 TP11 TP8 TP9 TP10
RV7 CN4 CN5
RV8
RV6
(V-SIZE) (V-LINE)
(V-HOLD) (H-HOLD)
MAIN BOARD -COMPOMENT SIDEDXF-701 (UC) DXF-701CE (CE)
MAIN BOARD -SOLDERING SIDE-
3-3 (E)
|
|
|
> |
|
