SONY DXF-701CE
Service Manual

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)