AUDI / CQ-JA1920L / CQ-JA1924L
126 CD SOMCD serial dataI0
127 CD SIMCD serial dataO1.49.2. DSP Block
128 MD1(Connecting to VDD)-5.2IC801 : YEAMAK7712AF
Note 1 : Voltage measuerments are with respect to ground,PinPortDescriptionI/O(V)
No.
with a voltmeter (internal resistance : 10M ohms).
1TSTINot used--
2-4 -(Connecting to ground)-0
IC901 : C2BBGD0000165/PD(Connecting to VDD)-5.0
6/RSTReset inputI0
PinPortDescriptionI/O(V)
No.7-9 -Not used--
1MSMMS gain controlO010,11 DVB+5V power supply-5.0
2,3 -No connection--12-19 -Not used--
4VSSIGround-020 SMODE(Connecting to VDD)-5.0
21-23 -Not used--
5RX0Communication dataI5.2
6RX1(+5V pull-up)-5.224 DVDD+5V power supply-5.0
25 DVSSGround-0
7VDDI+5V power supply-5.2
8RDICAN-BUS dataI4.926 XTICrystal oscillator-2.6
9SCLKNot used--27 XTOCrystal oscillator-2.4
10 TDOCAN-BUS dataO028 TSTI2(Connecting to VDD)-5.0
11-13 -No connection--29 /CSDSP chip selectI5.2
14 IF+CIF countI4.830 /WRQDSP data write requestI5.2
15 ANT+Motor antenna controlI031 DVSSGround-0
16 -No connection--32 DVDD+5V power supply-5.0
17 VRL(Connecting to ground)-033 SCLKDSP clockI5.2
18 VRH(Connecting to VDD)-5.234 SIDSP serial dataI0
19 AMP+Ext. Amp powerI4.935 WRDYDSP write readyO0
20 VDD+5V power supply-5.236 DRDYDSP write readyO0
21 +BMONI+B monitorI3.037 SODSP serial dataO0
38-48 -Not used--
22 SP-LSP Lch level detectionI3.0
23 SP-RSP Rch level detectionI3.149 DVSSGround-0
50 DVDD+5V power supply-5.0
24 P-ANTAntenna short detectionI1.8
25 -No connection--51-68 -Not used--
69 DVSSGround-0
26 CANE(Connecting to VDD)-5.2
27 VPP(Connecting to VDD)-5.270 DVDD+5V power supply-5.0
28 OSC1Crystal oscillator-1.871,72Ground-0
29 OSC2Crystal oscillator-2.773 DVDD+5V power supply-5.0
30 /RESETReset inputI074,75 DVB+5V power supply-5.0
76-78 -Not used--
31 IRQ(CAN-BUS data)I4.9
32,33 -No connection--79 AVB+5V power supply-5.0
34-36 -(Connecting to ground)-080,81 AOUT R2,L2Audio-Rear outputO2.5
37 MODE CAudio mode selectionO4.982 NCNo connection--
38 MODE BAudio mode selectionO083,84 AOUT R1,L1Audio-Front outputO2.5
39 MODE AAudio mode selectionO085,86Ground-0
40 SP CONTSpeaker controlO087,88+5V power supply-5.0
41 WAKE OUTCAN BUS requestO5.289 NCNo connection--
90 AIN R-Audio Rch (-) inputI2.3
42 PA2 (NERR)Error/Time out signalI0
43 PA1 (STB)Data strobeO091 AIN R+Audio Rch (+) inputI2.5
44 PA0 (EN)Chip enableO092 AIN L-Audio Lch (-) inputI2.3
45 TX0Communication dataO5.293 AIN L+Audio Lch (+) inputI2.5
46 TX1Not used-094 VCONVoltage control-2.5
95,96Ground-0
47 -No connection--
48 T-RDICAN-BUS dataI4.897 AVDD+5V power supply-5.0
98,99+5V power supply-5.0
49 T-TDONot used--
50 T-SCLKNot used--100 NCNo connecion--
51 AS-CSpeaker out muteO5.1
52 AS-BSpeaker out muteO5.19.3. Display Block
53 AS-ASpeaker out muteO5.1
54-57 -No connection--IC611 : C2BBFE000091
58 VSSGround-0
PinPortDescriptionI/O(V)
59 M2FTape main motor controlO0No.
60 MSTape MS mode controlO4.91-8 -Not used--
61 F/RTape F/R controlO4.99GNDGround-0
62 EQMetal tape selectO4.910,11 -Not used--
63 NRSWDolby mode selectionO0.312 TUNE.UPTune up switchI0
64 -No connection--13 TUNE.DOWNTune down switchI0
14 VOL.UPVolume up switchI5.0
15 VOL.DWNVolume down switchI0
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ACEC
