Sony HDV HVR-Z7E, Service Manual, Page: 325 / 507

6-135
HVR-Z7J/Z7U/Z7N/Z7E/Z7P/Z7C
1. Signal Output Check
Mode VCR mode
Signal Test tone generation (1kHz, 0dBFS)
Measurement Point Audio L and R terminal of A/V OUT
jack
Measuring Instrument Audio level meter, Oscilloscope
Specified value +10 dBs
±
1 dB (NTSC)
+8 dBs
±
1 dB (PAL)
(Note 2)
Note 1:
0 dBs = 0.775 Vrms
Note 2: The Rch level to the Lch level must be within
±
0.5dB.
Note 3: NTSC model: HVR-Z7J/Z7U/Z7N
PAL model: HVR-Z7E/Z7P/Z7C
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: 46, and check the following bit value.
If bit value of bit 4 is 1: NTSC model
If bit value of bit 4 is 0: PAL model
9) Check that the Lch and Rch output level of A/V OUT jack is
within the specified value.
10) Select page: 0, address: 10, and set data: 01.
11) Select page: 8 (18), address: 5C, and set data: 00
12) Select page: 0, address: 10, and set data: 00
13) Select page: 0, address: 01, and set data: 00.
2. INPUT1 LINE Check
Mode CAMERA mode
Signal 1 kHz, 0 dBu signal:
XLR terminal (INPUT1)
Measurement Point Audio L terminal of A/V OUT jack
Measuring Instrument Audio level meter, Oscilloscope
Specified value –14 dBs
±
2 dB
Note 1: 0 dBu = 0.775 Vrms/balance
Note 2: 0 dBs = 0.775 Vrms
Switch setting
1) 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. INPUT2 LINE Check
Mode CAMERA mode
Signal 1 kHz, 0 dBu signal:
XLR terminal (INPUT2)
Measurement Point Audio R terminal of A/V OUT jack
Measuring Instrument Audio level meter, Oscilloscope
Specified value –14 dBs
±
2 dB
Note 1: 0 dBu = 0.775 Vrms/balance
Note 2: 0 dBs = 0.775 Vrms
Switch setting
1) 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.