JVC GY-HM600U Service Manual

1-20 (No.HC047<Rev.001>)
4.2.5 Audio adjustment
Perform this adjustment only when you change a microphone.
No. Adjustment
item
Adjustment
type
Jig Signal Adjustment
point
standard Adjustment
value range
Adjustment
default value
Procedure
1 AUDIO XLR
Level
INPUT1
LINE Level
Manual ad-
justment
Audio
signal
gener-
ator
1kHz
(+4dBu)
ADC DATA -20dBFS
(3277 as
decimal
value)
±8 (1) Switch XLR1 input to LINE.
(2) Choose ADJ tab -> Audio tab, press the
[Read] button of XLR LINE1 LEV.
(3) Adjust by operating the slider so that the
on-screen level meter indication comes
to -20dB.
2 AUDIO XLR
Level
INPUT1
MIC Level
Manual ad-
justment
Audio
signal
gener-
ator
1kHz
(-50dBu)
ADC DATA -20dBFS
(3277 as
decimal
value)
±8 (1) Switch XLR1 input to MIC.
(2) Choose ADJ tab -> Audio tab, press the
[Read] button of XLR MIC1 LEV.
(3) Adjust by operating the slider so that the
on-screen level meter indication comes
to -20dB.
3 AUDIO XLR
Level
INPUT2
LINE Level
Manual ad-
justment
Audio
signal
gener-
ator
1kHz
(+4dBu)
ADC DATA -20dBFS
(3277 as
decimal
value)
±8 (1) Switch XLR2 input to LINE.
(2) Choose ADJ tab -> Audio tab, press the
[Read] button of XLR LINE2 LEV.
(3) Adjust by operating the slider so that the
on-screen level meter indication comes
to -20dB.
4 AUDIO XLR
Level
INPUT2
MIC Level
Manual ad-
justment
Audio
signal
gener-
ator
1kHz
(-50dBu)
ADC DATA -20dBFS
(3277 as
decimal
value)
±8 (1) Switch XLR2 input to MIC.
(2) Choose ADJ tab -> Audio tab, press the
[Read] button of XLR MIC2 LEV.
(3) Adjust by operating the slider so that the
on-screen level meter indication comes
to -20dB.
5 AUDIO
Built-in mi-
crophone
Manual ad-
justment
2CH
Audio
Analyz-
er,
Sound
source,
Speak-
er
300Hz
(400 to
700mV)
LINE OUT Rch=Lch ±8 (1) Set both CH1 INPUT SELECT and CH2
INPUT SELECT to INT.
(2) Put a camera so that a built-in micro-
phone faces straight to the speaker,
apart 20 cm or more from each other.
(3) Output the 300Hz sine wave from the
speaker. Adjust the audio output level of
the speaker so that the audio output
comes to 400 ~ 700 mVrms.
(4) Choose ADJ tab -> Audio tab, press the
[Read] button of MIC BALANCE.
(5) Adjust by operating the slider so that the
value differences between Lch Eva Val
and Rch Eva Val are minimized.

JVC GY-HM600U Specifications

General

Brand	JVC
Model	GY-HM600U
Category	Camcorder
Language	English