Sony HVR-Z5C Service Manual page 287

1. Signal Output Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
Note 1: 0 dBs = 0.775 Vrms
Note 2: The level difference between Lch and Rch must be within
± 0.5dB.
Note 3: NTSC model: HVR-Z5J/Z5N/Z5U
PAL model: HVR-Z5C/Z5E/Z5P
Checking method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 0, address: 10, and set data: 01.
3) Select page: 8 (18) , address: 5C, and set data: 05.
4) Check that the sound is output from the speaker.
5) Check that the sound from the speaker is interrupted when the
LCD panel is closed.
6) Check that the sound from the speaker is interrupted when the
plug is inserted in the headphone jack, and also that the sounds
are output from the left and right sides of headphone.
7) Select page: 0, address: 10, and set data: 00.
8) Select page: 2, address: EA, and check the following bit value.
If bit value of bit 1 is 1: NTSC model
If bit value of bit 1 is 0: PAL model
9) Check that the Lch and Rch output level of A/V Remote Con-
nector is within the specified value.
10) Check the Rch output level against the Lch output level is sat-
isfied the specified value.
11) Select page: 0, address: 10, and set data: 01.
12) Select page: 8 (18), address: 5C, and set data: 00
13) Select page: 0, address: 10, and set data: 00
14) Select page: 0, address: 01, and set data: 00.
HVR-Z5C/Z5E/Z5J/Z5N/Z5P/Z5U
VCR mode (PANEL open)
Test tone generation (1kHz, 0 dB)
Audio L and R terminal of A/V
Remote Connector
Audio level meter, Oscilloscope
LINE OUT:
+10 dBs ±1 dB (NTSC)
+8 dBs ±1 dB (PAL)
(Note 2)
2. INPUT1 LINE Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
Note 1: 0 dBu = 0.775 Vrms/balance
Note 2: 0 dBs = 0.775 Vrms
Switch setting
1) INPUT SELECT (CH1) switch ................................. INPUT1
2) INPUT SELECT (CH2) switch ................................. INPUT2
3) INPUT1 switch ............................................................... LINE
Checking method:
1) Input 1 kHz, 0 dBu signal in the XLR terminal (INPUT1).
2) Check that the 1 kHz signal level is the specified value.
3) Take a note of the Lch level.
3. INPUT2 LINE Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
Note 1: 0 dBu = 0.775 Vrms/balance
Note 2: 0 dBs = 0.775 Vrms
Note 3: The level difference between Lch and Rch must be within
± 1dB.
Switch setting
1) INPUT SELECT (CH1) switch ................................. INPUT1
2) INPUT SELECT (CH2) switch ................................. INPUT2
3) INPUT2 switch ............................................................... LINE
Checking method:
1) Input 1 kHz, 0 dBu signal in the XLR terminal (INPUT2).
2) Check that the 1 kHz signal level is the specified value.
3) Check the Rch output level against the Lch output level taken
in the item "2. INPUT1 LINE Check" is satisfied the specified
value.
6-111
CAMERA mode
1 kHz, 0 dBu signal:
XLR terminal (INPUT1)
Audio L terminal of A/V Remote
Connector
Audio level meter, Oscilloscope
–14 dBs ± 4 dB
CAMERA mode
1 kHz, 0 dBu signal:
XLR terminal (INPUT2)
Audio R terminal of A/V Remote
Connector
Audio level meter, Oscilloscope
–14 dBs ± 4 dB (Note 3)