Denon AVR-2312 Service Manual
Also see for AVR-2312: Owner's manualProtocol guideGetting started
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Contents
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141SCHEMATIC DIAGRAMS (18/30)DIGITAL UNIT (4/16)dTO AUDIO PLDTO DSPTO DIRTO MAIN DACTO MAIN CPU TO DIGITAL_CNTTO CPU LEVEL CHGHDMI CEC_PARTCEC_OUTCEC_INRSTSCPU3.3VSCPUTXDSCPURXDDGNDCNVSSCEMPLDCSMAINSCLKHDMI_TX/RX/HDMI SWITCHHDMI_TX(ADV8002)ADV3002_SWITCHHDMI_RX(ADV7844)AUDIO_PLD/HDMI_RXTO DIGITAL SUPPLYP11/CLK6P10P07P06P05P04P03P02P01P00P107/(AN7)AVSSP100/(AN0)VREFAVCC98.P97/(SIN4)P94P93P92/SOUT3P91/SIN3P90/CLK3BYTECNVCSP87P86RESETXOUTVSSXINVCCP85(N)/(NMI)/(CEC)P84/INT2P83/INT1P82/INT0P81P80/(RXD5)P77/(CLK5)P76/(TXD5)P75P74P64/CTS129.P67/TXD127.P71(N)/RXD2/SCLMM28.P70(N)/TXD2/SDAMMP72/CLK2P57P60/CTS0P61/CLK0P62/RXDOP63/TXDOP52P53P54P55/EPMP56P45/(CLK7)P46/(RXD7)/SCL7P47/(TXD7)/SDA7P50/CEP51P44P43P37P36P35P34P33P32P31VCCP30VSSP27P26P25/INT7P24/INT6P23P22P21P20P17/INT5P16/INT4P73/CTS2P66/RXD1P65/CLK1/SCLKP42P41P40P15/INT3P13P13/TXD6P12/RXD6P106/(AN6)P105/(AN5)P104/(AN4)P103/(AN3)P102/(AN2)P101/(AN1)99.P96/(SOUT4)100.P95/(CLK4)(PAGE23/30) (PAGE20/30) (PAGE22/30) (PAGE21/30)(PAGE21/30,27/30) (PAGE27/30) (PAGE28/30) (PAGE30/30) (PAGE27/30,28/30,30/30)(PAGE16/30)(PAGE15/30)(PAGE19/30)(PAGE17/30)EMULATORFCX-04TO LEVEL CHG(PAGE19/30)NCNCMP:openAVR2312R2343R23414.7kOPENR2342 OPENOPEN4.7kOPENAVR3312R2340 4.7k 4.7k1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100IC231R5F3650KNFBQ2306INC2001AC1Q23042SC3052 Q23052SC3052R234510KR2346100KC2313openR23474.7KR234947KR23482.2MR2350100KC2311220PR2351220KR235227KD2301KDS160R23533.3KC23120.1R23541.2KR2302 33R2303 33R2307 33R2306 33R2309 33R2310 33R2311 33R2312 4.7KR2318 33R2319 33R2320 33R2321 33R232533R2326 33R2327 33R2329 33R2361 33R2360 33R2344openC230110PC230210PR2304openC23030.1C2316 0.1C2315 0.1C2306 openC2307 openC2308 openC2309 openC2304 0.47C2305 openR23054.7KC2314 0.1Q2303RT1N141CQ2301RT1P141CQ2302RT1N141CC23100.1R2362 4.7KR2363 4.7KR2364150K R2355openR2356 4.7KR2357 4.7KR2358 4.7KR2359 3.3KR2335 4.7KR2336 4.7KR2337 4.7KR2342 openR2343 open R2341 4.7KR2340 4.7KR2339 4.7KR2338 4.7KR23014.7KR23084.7KR2313 4.7KR2314 4.7KR2316 4.7KR2317 4.7KR2322 4.7KR2323 4.7KR2324 4.7KR2328 4.7KR2330 4.7KR2331 4.7KR2332 4.7KR2333 4.7KR2334 4.7KR2367 33R2366 33X2301 16MR20700R2071 33C2318OPENC2319OPENC2320OPENC2321OPENC2322OPENC2323openR2371 33R2370 331110987654321CN23110022H-11CCJP11GA193ZYT172T173T174T175T176T177T178T179T180R236810KR2372 33R2373 33R2374 33R2375 33C2324openC23251000pC23261000pSCPUSCPUSCPUSCPUADCRSTSUBBDOWNSUBTDOMPLDCSMAINMPLDDATAMPLDCLKHDMI_SCLHDMI_SDAHINSELASOMIMOSICLK_MOREQ_SOMI1TMDSSWRSTSY2_DETHINSELBHDMI_A_SELSY1_DETDACMDIDACMCDACMSDACRSTADV7844_INT1SUBTMSADV8002_INT1ADV8002_INT2DSP_MOSIDSP_MISODSPI_CLKCVBS_DETSUBTDISUBTCKDIRRST3DIRRST2DIRRST1DSP_RSTDSP_ROMRSTCOMP_SDETDSP_FLAG0DSP_ICSTXENASPECT_H3ASPECT_LLINEA3LINEB3Z1_SW_A3Z1_SW_B3Z2_SW_B3Z2_SW_A3CEC_COMDIRDOUTDIRCEDIRDINDIRCLKSCPU3.3VDGNDSUB_UPDATEDA_POWERACK_SIMOSUBBDOWNSUBBDOWNASPECT_H3ASPECT_LLINEA3LINEB3Z1_SW_A3Z1_SW_B3Z2_SW_B3Z2_SW_A3COMP_SDETCVBS_DETSY1_DETSY2_DETCLK_MOMOSIACK_SIMOSUB_RSTREQ_SOMISOMIADV7844_INT2SUB_RSTMPLDCLKMPLDDATAMPLDCSMAINSUBTCKSUBTMSSUBTDISUBTDODSP_ICSDSP_FLAG0DSP_RSTDSPI_CLKDSP_MISODSP_MOSIDSP_ROMRSTDIRRST1DIRRST2DIRRST3DIRDOUTDIRDINDIRCEDIRCE4DIRCLKADCRSTDACRSTDACMCDACMDIDACMSAVSDAAVSCLHDMI_SCLHDMI_SDAADV7844_RESETADV7844_INT1HDMI_A_SELADV7844_INT2CEC_COM1TMDSSWRSTHINSELAHINSELBADV8002_RSTADV8002_INT2ADV8002_INT1ASPECT_H3ASPECT_LLINEA3LINEB3Z1_SW_A3Z1_SW_B3Z2_SW_B3Z2_SW_A3COMP_SDETCVBS_DETSY1_DETSY2_DETAVSCLAVSDASCPURXDSCPUTXDCEC_POWERDV_POWER2DV_POWER1DA_POWERCLK_MOMOSIACK_SIMOSUB_RSTREQ_SOMISOMIMPLDCLKMPLDDATAMPLDCSMAINSUBTCKSUBTMSSUBTDISUBTDODSP_ICSDSP_FLAG0DSP_RSTDSPI_CLKDSP_MISODSP_MOSIDSP_ROMRSTDIRRST1DIRRST2DIRRST3DIRDOUTDIRDINDIRCEDIRCE4DIRCLKADCRSTDACRSTDACMCDACMDIDACMSDV_POWER1CEC_POWERPLDAERRPLDAERRPLDAERRDIRCE4SCPURXDSCPUTXDCEC_POWERDV_POWER2DV_POWER1DA_POWERSCPUTXDSCPURXDDV_POWER2CEC_SELADV7844_INT2ADV7844_RESETADV7844_INT1HDMI_A_SEL1TMDSSWRSTHINSELAHINSELBADV8002_RSTADV8002_INT2ADV8002_INT1HDMI_SDAHDMI_SCLCEC_COMTXENTXENADV8002_RSTADV7844_RESETAVSCLAVSDAPLDAERRCEC3.3VCEC5VSTBY POWERGND POWER + POWER -87654321ABCDEF |
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