Kenwood KACPS4D, KACX4R free download

File name Kenwood-KACPS4D_KACX4R caramp.pdf

POWER AMPLIFIER KAC-PS4D/X4R SERVICE MANUAL © 2007-4 PRINTED IN JAPAN B53-0520-00 (N) 426 KAC-PS4D KAC-X4R Fuse (25A) (F52-0014-05) Dressing Panel (A21-6578-01) : KAC-X4R (A21-6579-01) : KAC-PS4D KAC-PS4D KAC-X4R Screw & Wrench Key set (N99-1795-05) Compact disc (W01-1701-05) This product uses Lead Free solder. This product complies with the RoHS directive for the European market. KAC-PS4D/X4R BLOCK DIAGRAM 15V 15V 15V 5V,3.3V IC307 HV, 15V 12V,5V,3.3V,1.8V IC1 DSP ADC Ach RCA IN AR ISO A VR AMP SE to DIF DRIVER DRIVER DRIVER DRIVER RCA IN BL ISO A VR AMP SE to DIF ADC Bch RCA IN BR ISO A VR AMP SE to DIF FEEDBACK, DPSC, ADCS OVERCURRENT DETECTION IC511 1.8V SW REG PWR FET PWR FET PWR FET PWR FET FILTER FILTER FILTER FILTER SP OUT AL SP OUT AR SP OUT BL SP OUT BR RCA IN AL ISO A VR AMP SE to DIF DSP IC310 DAC L/R 5V, 3.3V RCA OUT L/R P/S FDFWD DAC DSP ADC SPDIF USB ANTI PUMP FEED BACK IC705 A5V REG IC512 D5V REG FINAL ANTI PUMP FEED BACK IC500 15V REG FINAL ANTI PUMP IC510 3.3V SW REG E2PROM IC900 CURRENT DETECTOR VOLTAGE DETECTOR-1 VOLTAGE DETECTOR-2 TEMPERATURE DETECTOR OUTPUT DC DETECTOR 5V-3V INTERFACE P/S FDFWD ADC FEED BACK DAC RESET IC PCON DETECTOR SPDIF FINAL ANTI PUMP IC503 12V REG +14.5V SW REG TRANSFORMER*2 FUSE BATT14.4V GND MICRO COMPUTER FL DRIVER ROTARY ENCODER SLIDE SWITCH FL ISO AMP SE to DIF FEED BACK P/S FDFWD +HV REG HV REG LC FILTER Q911 BU5V REG MICRO ON/OFF CONTROL PWM CONTROL IC101,102,201,202 2 KAC-PS4D/X4R COMPONENTS DESCRIPTION PREAMPLIFIER UNIT (X08-4350-10) Ref. No. IC1 IC2 IC100 Application / Function AR/BRch 8dB buffer-amp AL/BLch 8dB buffer-amp FL driver and Key Matrix Communicate with microcomputer (on X09 unit). Operation / Condition / Compatibility AUDIO UNIT (X09-8620-10) Ref. No. IC1 IC3 IC100,200,604 IC101,102,201,202 IC301,302,401,402 IC303,304,403,404 IC306 IC307 IC309 IC310 IC500 IC502 IC503 IC507 IC509 IC510,511 IC512 IC601 IC602 IC603,704,804 IC605 IC701,702,801,802 IC703 IC705 IC900 IC901 IC902 IC904 Q101~104,201~204 Q105~108,205~208 Q109,110,209,210 Q111,112,114,115, Q211,212,214,215 Application / Function DSP (digital amplifier processor) reset buffer MOS FET driver Isolation amp to reduce common mode noise Amp for differential input of AD converter Buffer amp for common voltage of AD converter 4ch AD converter for analog input Low pass filter for Line out DAC for pre-out Error Amp for +/-16V regulator SW power supply control IC 12V voltage regulator buffer for sync clk 14.5V SW regulator dcdc converter for 3.3V and 1.8V 5V voltage regulator Amp for differential input of AD converter Buffer amp for common voltage of AD converter AD Converter for feedback FET driver for (Q601,602) (Anti-pump circuit) Amp for differential input of AD converter Buffer amp for common voltage of AD converter 5V voltage regulator system micro control line 3.3V 5V translation buffer E2PROM Amp for sensing GND voltage SW transistor for SP output line Current protection detect on/off SW of N_HB_ERR