– 30 –
< DECK SECTION >
12. Tape Speed Adjustment (DECK 2)
Settings : • Test tape : TTA–100
• Test point : TP5(Lch), TP6(Rch)
• Adjustment location : SFR1
Method : Play back the test tape and adjust SFR1 so that the
frequency counter reads 3000Hz
±
5Hz and
±
45Hz
(REV) with respect to forward speed.
13. Head Azimuth Adjustment (DECK 1, DECK 2)
Settings : • Test tape : TTA–330
• Test point : TP5(Lch), TP6(Rch)
• Adjustment location : Head azimuth
adjustment screw
Method : Play back (FWD) the 8kHz signal of the test tape and
adjust screw so that the output becomes maximum.
Next, perform on REV PLAY mode.
14. PB Frequency Response Check (DECK 1, DECK 2)
Settings : • Test tape : TTA–330
• Test point :TP5(Lch), TP6(Rch)
Method : Play back the 315Hz and 8kHz signals of the test tape
and check that the output ratio of the 8kHz signal with
respect to that of the 315Hz signal is within 5dB.
15. PB Sensitivity Check (DECK 1, DECK 2)
Settings : • Test tape : TTA–200
• Test point : TP5(Lch), TP6(Rch)
Method : Play back the test tape and check that the output level of
the test point is 140mV
±
3dB.
16. REC/PB Frequency Response Adjustment (DECK 2)
Settings : • Test tape : TTA–602
• Test point : TP5(Lch), TP6(Rch)
• Input signal : 1kHz / 8kHz (LINE IN)
• Adjustment location : SFR451 (Lch)
SFR452 (Rch)
Method : Apply a 1kHz signal and REC mode. Then adjust
OSC attenuator so that the output level at the TP5,
TP6 becomes -20VU. Record and play back the 1kHz
and 8kHz signals and adjust SFRs so that the output of
the 8kHz signals becomes 0.5dB
±
0.5dB with respect to
that of the 1kHz signal.
17. REC/PB Sensitivity Check (DECK 2)
Settings : • Test tape : TTA–602
• Test point : TP5(Lch), TP6(Rch)
• Input signal : 1kHz (LINE IN)
Method : Apply a 1kHz signal and REC mode. Then adjust
OSC attenuator so that the output level at TP5, TP6
becomes 0VU. Record and play back the 1kHz signals
and check that the output is 0dB
±
3.0dB.
< MICON SECTION >
18.
µ
-CON OSC Adjustment
Settings : • Test point : TP7 (O-KSCAN)
• Adjustment location : L101
Method : Insert AC plug while pressing TUNER function key.
Adjust L101 so that the frequency at the test point is
208.80Hz
±
0.21Hz.
All manuals and user guides at all-guides.com
Summary of Contents for Z-L500
Page 12: ...SCHEMATIC DIAGRAM 1 MAIN 1 2 AMP SECTION 12 All manuals and user guides at all guides com ...
Page 13: ...SCHEMATIC DIAGRAM 2 MAIN 2 2 TUNER SECTION 13 All manuals and user guides at all guides com ...
Page 15: ...SCHEMATIC DIAGRAM 3 MICON DECK 15 All manuals and user guides at all guides com ...
Page 17: ...SCHEMATIC DIAGRAM 4 CNTL KEY CD 17 All manuals and user guides at all guides com ...
Page 19: ...SCHEMATIC DIAGRAM 5 PT 19 All manuals and user guides at all guides com ...
Page 23: ... 23 IC BLOCK DIAGRAM IC BU2099FV IC LC72131D All manuals and user guides at all guides com ...
Page 24: ... 24 IC M61506FP IC LA1843 All manuals and user guides at all guides com ...
Page 25: ... 25 IC M61503FP IC BU1920FS All manuals and user guides at all guides com ...
Page 27: ... 27 ANODECONNECTION All manuals and user guides at all guides com ...
