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KDS-P901 COMPONENT DESCRIPTION
q PROCESSOR UNIT(X32-4990-01)
Ref.No. Component Name IC1 703037AGF-A05 IC2 IC3 IC4 IC5 IC6 IC7 IC8 IC9 DSP56362PV100 AK4112A AK5353VT TDA7501 AK4356VQ TC7WU04FU BA3121F LM2595S-ADJ Application / Function System MI-COM. DSP IC DIR A/D converter E-VOL. D/A converter Inverter Isolation IC Switching regulator Switching regulator Reset IC BUS IC AVR IC AVR IC SRAM SRAM ROM OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP 2-inputs NOR x2 OP AMP OP AMP OP AMP 2-inputs NOR x2 2-inputs AND Resonator for DSP IC AUX IN isolation amplifier D 3.3V AVR -9V AVR for PRE OUT amplifier When BU 5V voltage is less than 4.2V, IC outputs Lo. BUS communication IC IC outputs 5.0V for A 5V lines. IC is combined with Q11, and it works as the error detection, the driver. IC16 AS7C31026-12JC IC17 AS7C31026-12JC IC18 MR27V401D-16TA IC19 NJM4565M-TE2 IC20 NJM4565M-TE2 IC21 NJM4565M-TE2 IC22 NJM4565M-TE2 IC23 NJM4565M-TE2 IC24 NJM4565M-TE2 IC25 NJM4565M-TE2 IC26 TC7W02F IC28 NJM4565M-TE2 IC29 NJM4565M-TE2 IC30 NJM4565M-TE2 IC31 TC7W02F IC32 TC7S08F Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 2SC4081 2SA1037K 2SC4081 2SA1037K 2SC4081 2SA1037K 2SC4081 2SB1184 DTA124EUA A9V AVR SW When Q10's base becomes Hi, AVR SW is turned on. A9V AVR When Q7's base becomes Hi, AVR outputs +9V. PRE-AMP -9V AVR Q4and Q6 work as a differential amplifier, Q5 works as a driver, and -9V is supplied to OP AMP. PRE-AMP +9V AVR 1M(65,536 words X 16bits) 1M(65,536 words X 16bits) dts ROM Reference voltage output buffer (+4V output) D/A converter output LPF(for CENTER and SUB channels) D/A converter output LPF(for FL and FR channels) D/A converter output LPF(for RL and RR channels) PRE OUT amplifier(for CENTER and SUB channels) PRE OUT amplifier(for FL and FR channels) PRE OUT amplifier(for RL and RR channels) Mute logic(BRST+MUTE, BUDET) BUS audio output buffer(for FR and RR channels) BUS audio output buffer(for FL and RL channels) A/D converter input buffer Mute logic(MUTEF+BMU, MUTER+BMU) Mute logic(FMU AND RMU) Q1and Q3 work as a differential amplifier, Q2 works as a driver, and +9V is supplied to OP AMP. Digital audio receiver (for AES/EBU, IEC958, S/P DIF, EIAJ CP1201) Operation / Condition / Compatibility
