Sony HKCU-904 User Manual

3-15 (E)

HDCU-900 MM

Measures : Oscilloscope, SD waveform monitor

. Board extension : RC-86 board (front side)
. Board extension : DIF-102 board (rear side)
. 1RV354 (B-4)/RC-86 → mechanical center (ENC LEVEL)
. S811-1 (M-6)/RC-86 → ON
. S811-2 (M-6)/RC-86 → OFF
. S802 (M-4)/RC-86 → 525
. WF monitor select switch/MSU → ENC
. BARS button/MSU → ON

1.

Video level adjustment
Measuring point : TP350 (A-4)/RC-86
Adjusting point :

1RV350 (B-4)/RC-86

Specifications :

A = 1428 

±5 mV

2.

WF OUT level adjustment
Measuring point : WF OUT connector/DIF-102
Adjusting point :

1RV404 (G-4)/DIF-102

Specifications :

B = 100.0 

±0.5 IRE

(terminated at 75 

Z) (for UC)

B = 700.0 

±3.5 mV

(terminated at 75 

Z) (for CE)

. After finishing the adjustment, return the switches to the

original setting.

. WF monitor select switch/MSU → ENC
. BARS button/MSU → OFF

n
Do not move 

1RV354 (B-4) on the RC-86 board from the

mechanical center.

Measure : Oscilloscope

Perform temporarily this adjustment after repairing.
When the system is set up, perform the adjustment again
according to the characteristic of the waveform monitor.

. Board extension : RC-86 board (front side)
. 1RV354 (B-4)/RC-86 → mechanical center (ENC

LEVEL)

. S802 (M-4)/RC-86 → 525

Measuring point : TP352 (C-5)/RC-86
Adjusting point :

1RV353 (C-4)/RC-86
1RV352 (C-5)/RC-86

Specifications :

A = 10.0 

±0.5 V p-p (1RV353)

B = 0 

±0.5 V dc (1RV352)

After finishing the adjustment, return the switches to the
original setting.

n
Do not move 

1RV354 (B-4) on the RC-86 board from the

mechanical center.

B

GND

A

A, B

3-4. Video Signal System Adjustment (RC-86 Board)