Luxman K 112 Service Manual

Page 2

K-112

Contents
Specifications ................................................................................................... 2
Parts Locations and Disassembly Instructions .............................................................. 3 to S
Adjustment Procedures ................................................................................ 7 to 8
Block Diagram ............................................................................................. 9
Packing ASSemblay PartS List ............................................................................. 10

Packing Method View .................................... 10
Parts Layout on P. C. Boards and Wiring Diagram ------------------------------------------------------- ii to 13
schematic Diagram (1/2) ............................................................................... 14 i0 16
schematic Diagram (2/2) ............................................................................... 17 0 19
EIECIricaI Parts List ..................................................................................... 20 10 28
Cabinet Assembly Pans List ..................................................................................... 29
EXploded View (Cablnet) ................................................................................ 30 0 31
Exploded View (Cassette Desk) to 33
Cassette Deck Assembly Parts List .............................................................................. 34
Semi-conductor Lead Identification ......................................................................... 35 m 38
Specifications
Power Source ................................................................... AC12OV. 60Hz (U0, U0 model only)

AC220~24OV. SO/SOHZ (AD model only)
4.760m/sec. i2%
'- 105 sec.
----- Normal : 4OHZ~14| C702: 4OHz~15kHz
Metal : 40Hz~16kHz

S/N Ratio (JIS weighted A" curve) -------------------------- Dolby NR-OFF: Normal 50 d8. Grog/Metal 50 dB
Dolby NR»B : Normal/Cr02/Melal 57 dB

Dolby NRvC : Normal/Cr02/Metal 63 dB

Tape Speed (MTT»111)
Wow & Flutter (MTT7111, JIS WRMS)
FF/REW Time (ciao) -------------------
Frequency Response (Playback, i4 dB)

|nput Sensitiviy ....................................................................................... Line: 100mv
Output Level/Impedance ........................................................... Line: 500mVii5 dB/47K ohm
Headphone : iOOmV/B ohm

Distortion 3rd (0 dBm input at 333Hz) ............................................. Normal/CrO; : 3%
Metal 4 3. 5%

i8 lC'.s 52 Transistors. 40 Diodes 5 Zener Diodes
438 (W) ><3i85 (D) mm
.................................. 4.3kg

Semiconductors
Chassis Dimensions
Weight ~~

NOTE: Due to continuing product improvement. specifications and design are subject to change Without notice.