Board/Cp-376A Board - Sony SRW-5000 Maintenance Manual

1-25-5. CP-376 Board/CP-376A Board
After replacing and repairing this board, perform the
following checks.
Tools
. Audio analyzer:
Audio Precision System One or System Two or equiva-
lent
. Time code generator:
. Sony BVG-1600/1600PS or equivalent
. Time code reader:
Sony BVG-1500/1500PS or equivalent
. Recorded tape(HR5-1B, etc.)
Checks
1. Set the setup menu as follows.
MENU Name
No.
T03 INTERNAL AUDIO
SIGNAL GENERATOR
606 TCG MODE select
607 TCG REGENE
SOURCE select
2. Reset the analog audio and monitor output level/
headroom (APR-62 board) to the factory settings (+4
dBm/_20 dB). (Refer to Section 1-14.)
Channel Ref. No.
CH1 S1200
CH2 S2200
CH3 S3200
CH4 S4200
L S1300
R S2300
3. Set the audio output signals using the MONITOR L/R
button as follows:
MONITOR OUTPUT L connector: CH1
MONITOR OUTPUT R connector: CH2
4. Connect the audio analyzer to the AUDIO OUTPUT
CH1 connector, and check that the level is 4.0 ± 0.5
dBm.
5. Perform the same checks as step 3 for the connectors
AUDIO OUTPUT CH2 to CH4 and the MONITOR
OUTPUT L/R connector.
1-52
Customer Setting
Setting
___________ 8 1 kHz sine
___________ 8 regene
___________ 8 ext-LTC
Customer Setting
___________
___________
___________
___________
___________
___________
6. Connect the time code generator to the TIME CODE
IN connector and the time code reader to the TIME
CODE OUT connector.
7. Press the INPUT CHECK button to check that the
TCG value on the color display (LCD) accords with
the value of the time code generator.
8. Play back the recorded tape.
9. Check that the TCR value on the color display (LCD)
accords with the value of the time code reader.
10. Return the settings of the analog audio and monitor
output level/headroom and setup menu, which were
changed for the checks, to the customer settings.
SRW-5000/5500