Pioneer VSX-C300 Service Manual - Page 57

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VSX-C300 • Pin Function No. Pin Name 1 G2 2 G1 3 NC 4 ACIN 5 RDS DT 6 RDS CK 7 SW DCT 8 RMC 9 STEREO 10 T_MUTE 11 PLL_CE 12 SP CONT 13 TUNED 14 PLL_DO 15 FAN START 16 FAN DCT 17 VENC_A 18 VENC_B 19 AMUTE 20 DSPM_CS2 21 DSPM_CS1 22 DSPM_CK 23 DSPM_SI 24 DSPM_SO 25 FAN_MAX 26 ST_EVR 27 DSPM_RST 28 AVref 29 HP DCT 30 CENTER DCT 31 THRMO DCT 32 AMP_DC 33 AMP_OL 34 VER_1 35 KEYIN2 36 KEYIN1 37 AVSS 38 RST 39 EXTAL 40 XTAL 41 VSS 42 TX 43 TEX 44 VDD 45 VFDP 46 VIDEO1 47 VIDEO2 48 VIDEO3 49 VIDEO4 50 SYS_DT I/O Function Grid output 2 O Grid output 1 − Connect to Vdd I AC pulse input I Serial control data signal for RDS communication I Serial control clock signal for RDS communication (Use for external interrupt) I Subwoofer detection signal input I Remote control signal input (non carrier signal) I Discrimination signal of Stereo/Mono signal O Tuner mute O Chip select signal for communicate with LC72131 (tuner) O Signal output for center speaker detection I TUNED information I Data input signal for communicate with LC72131 (tuner) O FAN rotation signal output I FAN STOP detection signal EVOL rotary encoder signal input A I EVOL rotary encoder signal input B O Audio mute I CS input for DSP microcomputer control O CS output for DSP microcomputer control O Clock signal for communicate with the DSP microcomputer I Data input signal for communicate with the DSP microcomputer O Data output signal for communicate with the DSP microcomputer O FAN rotation signal output O Strobe signal for communicate with the E-VOL IC O DSP microcomputer reset − Connect to Vdd I Headphone detection signal input I Center speaker detection signal input I Thermal detection signal input I DC abnormal detection of the protection circuit (L: Abnormal detection) I Overload abnormal detection of the protection circuit (L: Abnormal detection) I Destination switch (A/D take-in) I A/D conversion port of key input − Connect to Vss − Reset − − Connect an oscillator 7.2MHz − Connect to Vss − open − Connect to Vss − +5V − -30V O NJM2296 control O Data signal for communicate with M62446, TC9163 and PLL Active H H H H L L H H H H H H H H 57

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Pin Function