Audio System Adjustment (Apr-12/13 Boards); Adjustment Overview; Are Not Needed - Sony DNW-A100 Maintenance Manual

3-6. Audio System Adjustment (APR-12/13 Boards)

3-6-1. Adjustment Overview

3-6. Audio System Adjustment
(APR-12/13 Boards)
3-6-1. Adjustment Overview
In the audio system alignment for the VTR need to adjust
the analog audio system only. For the digital audio system
is not needed.
For the VTR equipped with AES/EBU I/F kit BKNW-105
(option), the adjustment in Sections 3-6-3 to 3-6-5 and 3-6-
8 are not needed.
m
. When the analog audio CH1/2/3/4 inputs/outputs are
restored after removing the BKNW-105, perform the
adjustments (or checks) for the analog audio CH1/2/3/4
input/output lines.
. For the DIF-44 board and CP-308 board of the BKNW-
105, there is not adjustment item.
However, the function check procedure for the BKNW-
105 is explained to Section 4-4.
Adjustment Items
For the VTR equipped with BKNW-105 (optional kit), the adjustments in Sections 3-6-3 to 3-6-5 and 3-

6-8 are not needed.

Section Adjustment item
3-6-3 Analog audio outputs (CH1/2/3/4) adjustment (APR-13 board)
Output level adj.
3-6-4 Analog audio offsets (CH3/4) adjustment (APR-13 board)
Offset level adj.
3-6-5 Analog audio inputs (CH3/4) adjustment (APR-13 board)
1. Input level adj.
2. Distortion rate adj.
Continue
3-16
Tools List
To perform the audio system alignment for the VTR,
prepare the following equipment and fixtures.
. Audio signal generator:
. Audio analyzer:
. Audio level meter: HEWLETT-PACKARD HP3400A
. Oscilloscope:
. Extension board:
. Shorting clip
. Alignment tape for DNW-A100/A50/A45:
. Alignment tapes for DNW-A100P/A50P/A45P:
. Composite video monitor
Adjustment point
CH1 1RV300/APR-13
1RV400/APR-13
CH2
CH3 1RV500/APR-13
CH4 1RV600/APR-13
CH3 1RV103/APR-13
CH4 1RV203/APR-13
CH3 1RV100/APR-13, 1RV101/APR-13
CH4 1RV200/APR-13, 1RV201/APR-13
1RV202/APR-13
CH4
CH3 1RV102/APR-13
TEKTRONIX SG505-option 02 or equivalent
n
For the VTR equipped with BKNW-105 (optional kit),
the audio signal generator is not required.
TEKTRONIX AA501A-option 02
or equivalent
or equivalent
TEKTRONIX 2465B or equivalent
EX-556 (Part No. A-8277-212-A)
CR8-1A (Part No. 8-960-097-45)
CR8-1A PS (Part No. 8-960-098-45) and
CR8-1B PS (Part No. 8-960-096-86)
n
This monitor is for menu displaying. Be sure to connect
it to VIDEO OUTPUT COMPOSITE 3 (SUPER)
connector.
Measurement point
AUDIO OUTPUT CH1
AUDIO OUTPUT CH2
AUDIO OUTPUT CH3
AUDIO OUTPUT CH4
TP700/APR-13
TP700/APR-13
AUDIO OUTPUT CH3
AUDIO OUTPUT CH4
AUDIO OUTPUT CH4
AUDIO OUTPUT CH3
DNW-A100/A50/A45
DNW-A100P/A50P/A45P