Pioneer VSX-816-S Service Manual - Page 120
R2S15205FP MAIN ASSY : IC108, Block Diagram
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1 2 3 4 R2S15205FP (MAIN ASSY : IC108) A • 8ch electronic volume with 11 input selectors and tone control Block Diagram MONO SUBL SUBR ADCR ADCL FRIN2 FLIN2 SRIN2 SLIN2 SWIN2 CIN2 SBRIN2 SBLIN2 TRER BASSR2 BASSR1 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 MCU I/F ATT 0/-6/-12/-18dB DGND 41 B DATA 42 CLOCK 43 AVEE 44 INR1 45 INL1 46 INR2 47 INL2 48 C INR3 49 INL3 50 INR4 51 INL4 52 INR5 53 INL5 54 INR6 55 D INL6 56 INR7 57 INL7 58 INR8 59 INL8 60 INRA/RECR1 61 E INLA/RECL1 62 INR9 63 INL9 64 MAIN SUB REC AVCC 24 AVCC 23 TREL 22 BASSL2 0~95dB, -∞ (1dBstep) Bass/Treble -14~+14dB (2dB step) Tone +16~0dB (1dB step) + - Tone + - (01~d9B-∞5sdteBp,)B-(12a4ds~Bs+/sT1tre4epdb)Ble - + +16~-95dB, -∞(1dBstp) +16~0dB (1dB step) + - +16~-95dB, -∞(1dBstp) +16~-95dB, -∞(1dBstp) - + +16~-95dB, -∞(1dBstp) + - +16~-95dB, -∞(1dBstp) + - 21 BASSL1 20 FRC 19 FROUT 18 AGND 17 FLOUT 16 FLC 15 6-C 14 6-OUT(SR OUT) 13 AGND 12 5-OUT(SL OUT) 11 5-C 10 4-C 9 4-OUT(SW OUT) 8 AGND 7 3-OUT(C OUT) 6 3-C +16~-95dB, -∞(1dBstp) + - 5 2-C 4 2-OUT(SBR OUT) 3 AGND 2 1-OUT(SBL OUT) 1 1-C 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 INRB/RECR2 INLB/RECL2 INR10/RECR4 INL10/RECL4 INR11/RECR5 INL11/RECL5 RECR3 RECL3 FLIN1 FRIN1 CIN1 SWIN1 SLIN1 SRIN1 SBLIN1 SBRIN1 F 120 VSX-816-K 1 2 3 4