Sony HVR-S270J Service Manual page 350

1. Audio LCD Monitor Display Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
Note: The back light must turn on and off by the LCD BACK
LIGHT switch.
Checking method:
1) Select page: 7, address: 01, and set data: 97.
2) Select page: 7, address: 04, and set data: 01.
3) Select page: 7, address: 00, set data: 01 and press the "PAUSE
(Write)" button of the adjustment remote commander.
4) Check that all segments of sub LCD panel are active for dis-
play.
5) Select page: 7, address: 01, and set data: 97
6) Select page: 7, address: 04, and set data: 05.
7) Select page: 7, address: 05, and set data: 01.
8) Select page: 7, address: 00, set data: 01 and press the "PAUSE
(Write)" button of the adjustment remote commander.
9) Check that odd pins of audio level meter light up.
10) Select page: 7, address: 01, and set data: 97
11) Select page: 7, address: 04, and set data: 05.
12) Select page: 7, address: 05, and set data: 02.
13) Select page: 7, address: 00, set data: 01 and press the "PAUSE
(Write) " button of the adjustment remote commander.
14) Check that even pins of audio level meter light up.
15) Select page: 7, address: 01, and set data: 97
16) Select page: 7, address: 04, and set data: 06.
17) Select page: 7, address: 00, set data: 01 and press the "PAUSE
(Write) " button of the adjustment remote commander.
18) Check that the counter indicator lights up.
Processing after check:
1) Select page: 7, address: 01, and set data: 97.
2) Select page: 7, address: 04, and set data: 00.
3) Select page: 7, address: 00, set data: 01 and press the "PAUSE
(Write) " button of the adjustment remote commander.
HVR-S270J/S270U/S270N/S270E/S270P/S270C
CAMERA mode
No signal
Sub LCD panel
All segments of sub LCD panel must
be active for display.
2. Microphone Power Supply Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
Checking method:
1) Connect the + probe of digital voltmeter to the pin 2 on the
AUDIO INPUT1 (L).
2) Set the INPUT1 switch to "MIC+48V".
3) Check that the DC voltage (A) satisfies the specified value.
4) Connect the + probe of digital voltmeter to the pin 3 on the
AUDIO INPUT1 (L).
5) Check that the DC voltage (A) satisfies the specified value.
6) Set the INPUT1 switch to "MIC".
7) Connect the + probe of digital voltmeter to the pin 2 on the
AUDIO INPUT1 (L).
8) Check that the DC voltage (B) satisfies the specified value.
9) Connect the + probe of digital voltmeter to the pin 3 on the
AUDIO INPUT1 (L).
10) Check that the DC voltage (B) satisfies the specified value.
11) Set the INPUT1 switch to "LINE".
12) For the INPUT2, 3 and 4, perform checking in the same man-
ner.
6-116
CAMERA mode
No signal
XLR terminal (AUDIO INPUT1 (L)
to AUDIO INPUT4)
+ probe: pin 2, 3
– probe: pin 1
Digital voltmeter
A = 46.0 ± 3.0 V
B = 2 V or less