KDC-719/X559 /Z737,Z638 COMPONENTS DESCRIPTION SWITCH UNIT (X16-168x-xx) Ref.No. Component Name Application/Function Operation/Condition/Compatibility TAR5S33 FL AVR +3.3V Output TC74HC4050AFT Buffer For FL control lines, 5V→3.3V logic level shifting RS-171 Remote sensor IC BA3830F BPF IC BPF for the spectrum analyser indicator UPD703032GFA04 Panel MI-COM.
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KDC-719/X559 /Z737,Z638 COMPONENTS DESCRIPTION Ref.No. Component Name Application/Function Operation/Condition/Compatibility DTC124EUA or UN5212 FL/Illumination AVR SW When Q12' base goes Hi, Q13 is turned on, and FL/Illumination AVR is working. DTA124EUA or UN5112 DTA123JK or KRA105S EXT. AMP CON. SW When a base goes Lo, Q14 is turned on, and control pulse signal is outputted.
KDC-719/X559 /Z737,Z638 MICROCOMPUTER’S TERMINAL DESCRIPTION IC5 (SWITCH UNIT: X16-168x-xx) Pin No. Pin Name Description Processing Operation SC DATA Data input/output with the system MI-COM. MC CLK Clock input from the system MI-COM. Not used (N.C.) DATA 1 Data output 1 to the FL driver IC...
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KDC-719/X559 /Z737,Z638 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Description Processing Operation SA RESET Reset output to the BPF IC Hi: Reset Not used (N.C.) AVDD A/D converter positive power supply connection terminal Connected to P5V lines. AVSS A/D converter ground connection terminal Connected to GND lines.
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KDC-719/X559 /Z737,Z638 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Description Processing Operation Lo: ON, H-Z: OFF EJECT KEY R/G Eject key illumination red/green control output Lights on at the panel tilted during POWER ON mode. Communication request output to the panel MI-COM. Hi: Request...
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KDC-719/X559 /Z737,Z638 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Description Processing Operation Capacitor connection terminal for regulator inside REGC microprocessor Oscillation: POWER ON mode, Oscillation stop: Main clock resonator connection terminal POWER OFF mode or momentary power down detected Main clock resonator connection terminal Ground connection terminal Connected to GND lines.
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KDC-719/X559 /Z737,Z638 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Description Processing Operation M STOP Stop request to CD mechanism MI-COM. Lo: Stop mode, Hi: Operation mode M RST Reset output to CD mechanism MI-COM. Lo: Reset CH CON Changer control...
KDC-719/X559 /Z737,Z638 TEST MODE 1. How to enter the test mode • A short press of the Q key initiates the audio adjustment mode. While pressing and holding the Preset 1 and Preset 3 keys, re- • Pressing the * key on the remote initiates the audio adjustment set the unit.
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KDC-719/X559 /Z737,Z638 TEST MODE 4. Enter the code using the FM/AM/Track Up/Track Down keys. 11. Method of the span switching (K and M type only) • FM key: Number up While holding the Preset 1 and Preset 5 keys, reset the unit.
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PC BOARD (FOIL SIDE VIEW) (COMPONENT SIDE VIEW) X16-168X-XX (J74-1327-22) X16-168X-XX (J74-1327-22) PAN5V (VDD) SCDATA X16-168X-XX IC Q Address VDD2 10 6D FL+B FLGND X16-168X-XX IC Q Address Refer to the schematic diagram for the values of resistors and capacitors.
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PC BOARD (COMPONENT SIDE VIEW) X25-924X-XX (J74-1328-22) X89-253X-XX (J74-1332-12) C108 C107 C802 C803 C804 C102 C101 R187 R178 R177 R168 R188 R167 IC12 IC11 IC10 S-MTR C142 C105 C100 C106 O G I IC14 C118 C144 C111 C117 C120 C255 C252 C253 C254...
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RELV RSTC • DC voltages are as measured with a high impedance voltmeter. Values C8 10 2.5V BISC 5.0V may vary slightly due to variations between individual instruments or/and units. X838/KRC-Z965 (2/2) KDC-X659/MP819/Z838 (2/2) Z638/KDC-719/X559/Z737 (2/2) KDC-719/X559/Z737,Z638...