Peaking Offset Adjustment; Heater Voltage Adjustment - Sony DXF-701 Service Manual

3-2-9. Peaking Offset Adjustment

Object: White Window chart
Preparation:
1. Shoot the White Window chart and adjust the lens iris
so that the white level at VIDEO OUT connector on the
camera is 50 ±2 IRE (PAL: 350 ±10 mV).
2. CONTRAST control (Viewfinder)
→ Mechanical center
3. PEAKING control (Viewfinder)
→ From fully clockwise to
counterclockwise by 10 degrees.
Test point: Viewfinder Screen
Adjustment: Adjust 1RV10 (PEAK-OFFSET)/SUB
board so that the right and left edges of
peak level are the same.
Be sure that the edges of peak level are the same.
RV11
(PEAKING) (CONTRAST)
RV10 RV12
(PEAK-OFFSET) (SUB-BRIGHT)
CN9
SUB BOARD -COMPOMENT SIDE-
CN7
CN1
CN6
CN8
CN3 CN2
RV4
(VH-ADJ)
RV2
(H-SIZE)
RV3
(FOCUS)
RV14
(OPAMP-ADJ)
RV15
(V-SIZE : WIDE)
(DXF-701WS/701WSCE only)
RV7 RV8 RV6
(V-SIZE) (V-LINE) (V-HOLD)
CN4 CN5
MAIN BOARD -COMPOMENT SIDE-
3-6 (E)
RV9 RV13
(BRIGHT)
RV1
(VO-ADJ)
RV5
(H-HOLD)

3-2-10. Heater Voltage Adjustment

Equipment: Digital voltmeter (AC mode)
TP5 ⇔ TP6/MAIN board
Test point:
Adjusting point: 1RV4 (VH-ADJ)/MAIN board
0.65 ±0.03 Vrms
Specification:
TP1 TP3
TP4
TP5
TP6
TP7
R76
MAIN BOARD -SOLDERING SIDE-
TP2
TP12
TP11 TP8 TP9
TP10
DXF-701 (UC)
DXF-701CE (CE)