Cue Audio Alignment; Bias Trap Adjustment; Cue Playback Level Adjustment - Sony HDCAM HDW-F900R Maintenance Manual

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10-3. CUE Audio Alignment

10-3-1. Bias Trap Adjustment

Preparation
Remove the DCP-43 board, DVP-41 board and mechanism
deck dust protection sheet.
Adjustment Procedure
1. Insert a working tape and enter the REC mode.
2. Equipment :
Oscilloscope
Measurement point : TP602 (D-6)/MDC-13G board
GND :
E501 (C-5)/MDC-13G board
Adjustment point : 1LV601 (C-6)/MDC-13G board
Specifications :
A = minimum
(Reference value : 2.5 Vp-p or less)
3. Eject the working tape.
10-4

10-3-2. CUE Playback Level Adjustment

Preparation
. S502 (C-4)/FP-152 board (B side) → CUE
. DISPLAY CTL/TC/DATA switch/inside panel → TC
. 1RV603 (D-6) /MDC-13G board (B side)
→ Mechanical center
. 1RV604 (D-6) /MDC-13G board (B side)
→ Mechanical center
Adjustment Procedure
1. Insert the alignment tape (HR5-1A) and play back the
1 kHz, 0 VU signal segment (TIME; 00 : 00 : 00 : 00
to 00 : 01 : 25 : 00).
Equipment :
Measurement point : AUDIO OUT connector/
Adjustment point : 1RV605 (D-6)/MDC-13G board
A
Specifications :
2. Play back the 1 kHz, _20 VU signal segment (TIME ;
00 : 01 : 30 : 00 to 00 : 02 : 25 : 00).
Equipment :
Measurement point : AUDIO OUT connector/
Measure the playback signal level, and take notes of
the values of the level.
3. Play back the 7 kHz, _20 VU signal segment (TIME ;
00 : 03 : 00 : 00 to 00 : 03 : 25 : 00).
Equipment :
Measurement point : AUDIO OUT connector/
Adjustment point : 1RV604 (D-6)/MDC-13G board
Specifications :
Audio analyzer
rear panel
CH1 (X) : Pin-2
CH1 (Y) : Pin-3
GND :
Pin-1
(B side)
0.0 ± 0.1 dBm (600 Z)
Audio analyzer
rear panel
CH1 (X) : Pin-2
CH1 (Y) : Pin-3
GND :
Pin-1
Audio analyzer
rear panel
CH1 (X) : Pin-2
CH1 (Y) : Pin-3
GND :
Pin-1
(B side)
Within ± 0.2 dB with reference
to the 1 kHz playback level
HDW-F900R/V1 (E)

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