INTEGRA DTR8.3 Repair Manual

DTR-8.3
MAIN MICROPROCESSOR-TERMINAL DESCRIPTION
No.FunctionI/ODescriptionNo.FunctionI/ODescription
1 DSPDAOSerial data output pin to transfer the data to DSP, DIR, Nettune DAC and Second PLL IC51~CODs.ECPDO Power down output pin of CODEC IC.
2 DSPCLO Serial clock output pin to transfer the data to DSP, DIR and Nettune DAC ICs.52 UPSMPLO Clock select output pin for up-sampling.
3 TNCLCLK Serial clock output pin for the tone control ICs.53 ~DSP1RSTO Reset output pin of first DSP IC.
4 Z2LMUTO Muting control signal output pin for line of zone 2 channel.54 DSP1PMO PLL initializing output pin of first DSP IC.
5 HPMUTO Muting control signal output pin for headphone.55 DSP1GP8O PCM or Non PCM information output pin of first DSP IC.
6 Z2MUTO Muting control signal output pin for zone 2 channel when the power source is turned on.56 DSP1BSTO Host I/F bootstrap output pin of first DSP IC.
7 AMUTO Muting control signal output pin of analog section.57 ~DSP1HCSO Host I/F chip select output pin of first DSP IC.
8 VSSExternal data bus width select pin.58 ~DSP2RSTO Second DSP reset output pin.
9 VSSProcessor mode select pin59 DSP2BSTO Host I/F bootstrap output pin of second DSP IC.
10 ~PRTCTTHMI Detection input pin for thermal protect.60 ~DSP2HCSO Host I/F chip select output pin of second DSP IC.
11 SEC1HO Primary voltage select pin for main amplifier.61 (2ndBOOT)O "L" fixed output pin.
12 ~RESETSystem reset input pin62 VCCPower supply pin. Apply +5V.
13 XOUTSystem clock output pin. Connect 16MHz ceramic resonator between #13 and #15.63 (2ndPAGESEL O "H" fixed output pin.
14 VSSGround pin.64 VSSPower supply pin. Ground
15 XINSystem clock input pin. Connect 16MHz ceramic resonator between #13 and #15.65 (HPAGE)O "L" fixed output pin.
16 VCCPower supply pin. Apply 5V.66 DTCDACCLOClock output pin for DAC of DTC.D
17I Not used. 67 DTCDACCSOChip select output pin for DAC of DTC.D
18 PRTCTVI Detection input pin for protection circuit of abnormal voltage and current.68 DTCDACDAOdata output pin for DAC of DTC.D
19 RDSCLI Serial clock input pin of RDS demodulator.69 (2ndGP10)O "L" fixed output pin.
20 ~POFFI Power failure detection input pin.70 ~DSP2HACNIHost I/F acknowledgement input pin of second DSP.2
21 ~RDSIDI Identification input pin of RDS demodulator.71 ~DSP1HACNIHost I/F acknowledgement input pin of first DSP.1.
22 RDSDAI Serial data input pin to transfer RDS demodulator.72 DSP2HDOUTIHost I/F serial data output pin to second DSP IC.
23 ~XPORO Reset output pin to multi media microprocessor when power is turned on.73 DIRINT1I INT 1 input pin of DIR IC.
24 ~XDACSO Chip select output pin of DAC for Nettune.74 DIRINT0I INT 0 input pin of DIR IC.
25 ~XDARSTO Reset signal output pin of DAC for Nettune.75 ~TNCS2O Chip select output pin to tone control IC.
26 ~TNCS1O Chip select output pin for tone control IC of front channel.76 VPOWERO Power supply relay control output pin of video circuit.
27 NPOWERO Power supply control output pin of audio circuit.77 12VTRGBO 12V trigger output pin B.
28 TNDAO Serial data output pin to tone control IC.78 12VTRGAO 12V trigger output pin A.
29 IICSCLO Serial clock output pin to Y/C, Component separation IC. 79 12VTRGZO 12V trigger output pin ZONE 2.
30 IICSDAO Serial data output pin to Y/C, Component separation IC. 80 SPRLZ2O Speaker relay control output pin for Zone 2.
31 ~XPOWERO Power supply control output pin. Not used.81 SPRLFO Speaker relay control output pin for all channels.
32 ~SUBRESET O Reset signal output pin for submicroprocessor.82 APOWERO Power supply relay control output pin of audio circuit.
33 ~SUBPOFFO Power off output pin to submicroprocessor83 PLLCEO Chip enable output pin to PLL IC.
34 ~SUBREQI Transfer request signal input pin for submicroprocessor.84 TUMUTO Muting control output pin for tuner section.
35 MAINSOO Serial data output pin to transfer data between main and submicroprocessor.85 ~SDI Detection input pin for signal strength.
36 MAINSII Serial data input pin to transfer data between main and submicroprocessor.86 ~STEREOI Detection input pin for FM stereo broadcast.
37 MAINSCKO Serial clock output pin to transfer data between main and submicroprocessor.87 AFSTBO Strobe signal output pin of analog function switch ICs.
38 ~MAINREQO Request signal output pin to transfer data between main and submicroprocessor.88 AFDAO Serial data output pin for function switch ICs.
39O Not used. 89 AFCLO Serial clock output pin for function switch ICs.
40 (2ndBTACT)O Not used. 90 VPCLO Serial clock output pin for electric volume and PLL ICs.
41I Mode setting pin to wprogramrite the on flash microprocessor.91 VPDAO Serial data output pin for electric volume and PLL ICs.
42 ~DIRCSO Chip select output pin to DIR(AK4114) IC.92 VLSTBO Strobe output pin of electrical volume.
43 ~DIRRSTO Reset output pin to DIR IC.93 CDT0I Serial data input pin for DSP and DIR ICs.
44 DFSO DFS output pin of DAC and CODEC ICs.94 DSP1GP9I Permission information input pin to read bit stream information of first DSP.
45 ~DAPDO Power down output pin of DAC.95 DSP1GP10I INTREQ input pin of first DSP IC.
46I Write mode setting pin of flash microprocessor.96 VSSGround pin for A/D converter.
DTR-8.347 KI Lock input pin of second PLL IC. 97 VOLHI Input pin to measure the output voltage of main amplifier.
48 2NDPLLCLO Clock output pin to second PLL IC.98 VREFReference voltage input pin for A/D converter.
49 2NDPLLCSO Chip select output pin of second PLL IC.99 VCCPower supply pin for A/D converter.
50 EXO Input select output pin of nettune.100 DSP1HDOUTISerial data output pin of host I/F of first DSP.