Luxman K 12 Service Manual

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SERVICE g3
MANUAL ,

LUXMAN STEREO CASSETTE DECK K-12

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m [TBS REQUIRED a) SW BIAS SW INPUT SIGML ALIGMFNI' PROCEIIIRE LIMITED SPEC REMARKS
(2) Set the BIAS 5w to "C102", and preset the BIAS C1132 400m "REC" mode
current to 400M. (=4mv, at 10
Trinmer Pot for C102 BIAS Adj. -- LCh mom oluns)
Rch VRZBSb
(3) Set the BIAS 5w to "EX", and preset the BIAS EX 650m
current to 650M. (= 6.5mv, at
Trimmer Pot for EX BIAS Adj. -~ Lch VRZOSa 10 oluns)
Rch VRZOIb
a
14. Peaking Adjust at NOW NORML lflkHz To keep out the action of BIAS 05C, insert a tip of Adjust peaking Output should
REC. FQ. AMP Paper in the leaf switch connected in series with for NORMAL be measured
100ml! the power supply to the oscillator. (The leaf Sw is node by use of across the
(«13:03:11) placed near the main solenoid.) Then put the deck 18km signal lo-ohm
into the "REC' mode. resistor.
(I) Set the Equalizer S»! to the ' RMAL" position, "REC" mode
and apply 18km 100W signal to LINE INPUI.
Adjust the peaking coil for NOWAL to obtain the
maximun output at the 10mm resistor of the 11/?
head.
Peaking Coil for NOWAL u- Lch [.1053
Rch L105!)
cxoz 20m: (2) Set the Equalizer Sw to the "(2102" position and Adjust peaking
apply 20W: lODmV signal to LINE INPllT. Adjust for (2:02 mode
the peaking coil for 6102 to obtain the maximun by use of
reading on the VWM. 20m: signal
Peaking Coil for Cruz -~ Lab [.1043
Rch L104!)
EX Zlkflz (3) Set the Equalizer Sw to the "EX" position and Adjust peaking
apply Zlkllz 100W signal to LINE INPUT. Adjust for EX mode by
the peaking coil for EX to obtain the maximum use of 21km
reading on the VTVM. signal
Peaking Coil for EX -- Lch L1063
Rch L106!)
Each peaking level at the respective made, NOMAL
cm and EX should be approximately ZOdBan at
18 z, 20ml, 21km, compared with that of lion
(4) Do not forget to remve a piece of paper put on
the leaf switch. it
'- 400m, )0th Adjust the REC Gain trunne' r pot to obtain LINE OUI ~Z.5 T0.5 dBm Input My]
/ SdM-IBdBm-Sdm output level of snowmmnn] G

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