Sony SLV-E160EE / SLV-E290EE / SLV-E290EG / SLV-E410AP / SLV-E410CP / SLV-E410EE / SLV-E410EX / SLV-E410IT / SLV-E410UX / SLV-E410VP Service Manual ▷ View online
7-5
7-6E
2-4-6.
Playback Level Check (MA-249 Board)
Mode Playback
Signal
Alignment tape: SP mode color
bar portion
Measurement point
Video LINE OUT terminal
Measuring instrument
Oscilloscope
Specified value
A=1.00±0.02Vp-p
[Check Method]
1) Check that the playback level satisfies the specified value.
Fig. 7-2-9.
2-5.
AUDIO SYSTEM ADJUSTMENT
[Connecting Instruments]
Fig. 7-2-10.
• Adjust in the SP mode if there is no special indications.
• Perform the adjustment setting the switch on the following
positions.
Switch ……………………………LINE
[Adjustment Method]
1. ACE head adjustment.....Refer to the VHS mechanical
adjustment manual
4.
2. E-E output level check
3. Overall Output level and distortion factor check
4. Overall noise level check.
2-5-1.
ACE Head Adjustment
Refer to the “VHS mechanical adjustment manual
4”
(9-973-623-11).
2-5-2.
E-E Output Level Check
Mode
E-E
Signal
400Hz, -7.5dBs: Audio LINE IN
Measurement point
Audio LINE OUT terminal
Measuring instrument
Audio level meter
Specified value
-7.5 ± 3dBs
[Check Method]
1) Input signal of 400Hz and -7.5dBs to the audio input.
2) Check that the audio output level is -7.5 ± 3dBs.
2-5-3.
Overall Output Level and Distortion Factor
Check
Mode Self-record
playback
Signal
400Hz, -7.5dBs: Audio LINE IN
Measurement point
Audio LINE OUT terminal
Measuring instrument
Audio level meter and Distortion
meter
Specified value
Playback Level: -7.5 ± 3dBs
Distortion: 4.0% or less
[Check Method]
1) Input signal of 400Hz and -7.5dBs to the audio input.
2) Record signal.
3) Playback the recorded portion.
4) Check that the output level is -7.5 ± 3dBs.
5) Check that the distortion factor is 4.0% or less .
2-5-4.Overall Noise Level Check
Mode Self-record
playback
Signal
No signal (Insert a shorting plug
into the Audio LINE IN termi-
nal)
Measurement point
Audio LINE OUT terminal
Measuring instrument
Audio level meter (IHF-A weigh-
ing filter is used)
Specified value
-46dBs or less
[Check Method]
1) Record.
2) Playback recorded portion.
3) Check that noise level is -46dBs or less.
CHANNEL
2-6.
ADJUSTMENT PARTS LOCATION DIAGRAM
RP-196 BOARD (Conductor Side)
CN002
1
4
RF SWITCHING
POSITION
MA-249 BOARD (Conductor Side)
Video/Audio
LINE IN/OUT
CNJ002
LINE IN/OUT
CNJ002
SW 12V
MTR 12V
IC141
D131
Q161
SW 5V
D505
D 5V
B
E
C
Q214
RECORDING
Y LEVEL
IC201
1
34
17
18
X'TAL OCS
WHT CLIP/
WHT CLIP/
DARK CLIP,
REC CHROMA
LEVEL
A
H
Audio line input
Audio line output
Audio level meter
or distortion meter
or distortion meter
47k
Ω
VTR
600
Ω
Audio oscillator
Attenuator
SLV-E160_S-7p2
96.5.30
9:57
AM
y
[
W
7-5
SLV-E160EE/E290EE/E290EG/E410AP/E410CP
E410EE/E410EX/E410IT/E410UX/E410VP
English
96B1670-1
Printed in Japan
© 1996.2
Published by Personal A&V Products Div.
Quality Engineering Dept.
— 94 —
Sony Corporation
Consumer A&V Products Company
Home A&V Products Div.
9-973-860-11
SLV-E160EE/E290EE/E290EG/E410AP/E410CP
E410EE/E410EX/E410IT/E410UX/E410VP
English
96B1670-1
Printed in Japan
© 1996.2
Published by Personal A&V Products Div.
Quality Engineering Dept.
— 94 —
Sony Corporation
Consumer A&V Products Company
Home A&V Products Div.
9-973-860-11
SLV-E160EE/E290EE/E290EG/E410AP/E410CP
E410EE/E410EX/E410IT/E410UX/E410VP
English
96B1670-1
Printed in Japan
© 1996.2
Published by Personal A&V Products Div.
Quality Engineering Dept.
— 94 —
Sony Corporation
Consumer A&V Products Company
Home A&V Products Div.
9-973-860-11
