Technics SX-KN6000 - Service Manual

89 pages

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Specifications1
Contents3
Warning4
Safety Precaution4
Insulation Resistance Test4
Controls and Functions5
Initialize7
Initial7
About the Backup Memory and Performance Data8
Separately Sold Options8
Connections9
Connection to a Macintosh Series Computer9
Connection to a PC9
Symptoms Which Appear to be Signs of Trouble10
Error Messages12
MIDI Implementation Chart14
Keyboard Ranges15
Parts Location16
Disassembly Instructions17
Opening the Top Cabinet17
Removing the HB, MB, CPL, ROT, CPC, CPR, CNB, ACP, FAJ, JACK, ASUB Printed Circuit Boards17
Removing the MAIN Printed Circuit Board18
Removing the Display18
Removing the Display Panel19
Removing the LCDL, LCDC and LCDR Printed Circuit Boards19
Removing the LCD and the INV P.C.B.20
Removing the Keyboard Unit20
Service Diagnostic Function21
Removing the Disk Drive Unit21
Removing the Keys21
ROM Device Test22
RAM Device Test22
Other Device Test22
Floppy Disk Save/Load Test22
Precautions before Servicing the Main Circuit24
About the Flash Rom24
Notes on Replacing Flash Roms24
How to Write Program/Data into Flash Roms24
Measurement and Adjustments25
After Replacing the Custom Data Rom (IC18)25
Precautions before Servicing26
Precautions for Measuring of the Output Waveforms26
Resistors26
Capacitors26
Schematic Diagram27
Printed Circuit Board and Schematic Diagram27
Measuring Condition of Main P.C.B.27
Main 1/4 Circuit28
Main 2/4 Circuit31
Main 3/4 Circuit34
Main 4/4 Circuit37
Measuring Condition of FAJ P.C.B.40
FAJ Circuit41
ASUB Circuit43
ACP Circuit44
CNB Circuit46
LCDC Circuit46
LCDL Circuit46
CPR Circuit47
LCDR Circuit49
ROT Circuit49
CPC Circuit49
MKB1 Circuit50
MKB2 Circuit50
MKB3 Circuit50
INV Circuit51
HB Circuit51
Printed Circuit Board52
Main P.C.B. (Component Side)53
Electrical Parts Location54
Faj P.C.b.55
Asub P.C.b.57
Acp P.C.b.57
Cpc P.C.b.60
Cnb P.C.b.60
Rot P.C.b.60
Cpr P.C.b.61
Jack P.C.b.62
Inv P.C.b.62
Lcdl P.C.b.63
Lcdr P.C.b.63
Lcdc P.C.b.64
Mkb1 P.C.b.65
Mkb2 P.C.b.66
Mkb3 P.C.b.67
Hb P.C.b.67
Mb P.C.b.67
Block Diagram68
Lcdr69
Cpr69
Cpc69
Rot69
Lcdl70
Cpl70
Cnb70
Lcdc70
Faj (1/2)71
Acp71
Wiring Connection Diagram72
Replacement Parts List74
Cabinet Parts Location85
Packaging89

Technics SX-KN6000 - Service Manual

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