Triax Transmission System Adjustment; 1.0 Mhz Modulation Circuit Adjustment - Sony HXCU-100 Service Manual

6-6. TRIAX Transmission System Adjustment

6-6-1. 1.0-MHz Modulation Circuit Adjustment
Frequency Adjustment
Preparation
. Disconnect the camera.
. If the camera is connected, turn off the CAMERA POW-
ER switch on the inside panel.
. Connect the measuring equipment as shown in the fi gure.
Adjustment
Equipment: Frequency counter
Test Point: TP1501 (F-6)/DPR-300 board
GND: E1501 (F-6)/DPR-300 board
Adjusting Point: 1LV1501 (F-6)/DPR-300 board
1000 ?5 kHz
Specifi cation:
Dev Adjustment
n
Before starting this adjustment, check that the TRIAX
transmission system adjustment of the camera has been
completed.
Preparation
. Connect the CCU to the camera with the TRIAX cable.
. Turn off the CAMERA POWER switch.
. CCU MAINTENANCE menu setting
M03: AUDIO 1 KHz → ON
Adjustment
Equipment: Oscilloscope
Test Point: TP2 (A-3)/TX-126 board
(On the camera)
GND: E2 (A-2)/TX-126 board
(On the camera)
Adjusting Point: 1RV1501 (F-6)/TX-126 board
(On the camera)
A = 220 ?10 mV p-p
Specifi cation:
HXCU-100
CH2 CH2
Probe
IN OUT
Oscilloscope
IN
Frequency
counter
A
6-11 (E)