Clarion DVS970Z Service Manual page 7

pin 28 : IE BUS TX : O : IE Bus communication line.
pin 29 : DEC TX : O : Transmit terminal to RISC CPU.
pin 30 : DEC RX : IN : Receive terminal from RISC CPU.
pin 31 : DEC RSTX_ : O : Reset pulse output to RISC CPU.
pin 32 : DEC REQ : IN : Request signal input from RISC CPU.
pin 33 : DISP DO : O : Serial data output to the LCD driver.
pin 34 : DISP DI : IN : Serial data input from the LCD driver.
pin 35 : DISP CLK : O : Clock pulse output to the LCD driver.
pin 36 : DISP CE : O : Chip enable signal output to the LCD
driver.
pin 37 : NU : - : Not in use.
pin 38 : DIRF 0 : O : Sample frequency select signal output.
pin 39 : DEC P OFF_ : IN : Power off admission signal input from
RISC CPU.
pin 40 : DIRF 1 : O : Sample frequency select signal output.
pin 41 : DEC SYS ACC : O : SYS-ACC output of RISC CPU.
pin 42 : DIRF 2 : O : Sample frequency select signal output.
pin 43 : DEC RST IN_ : IN : Reset request from RISC IC.
pin 44 : DIR RESET_ : O : Reset pulse output to the digital-audio-
interface-receiver.
pin 45 : DIR EMPHA : IN : Pre-emphasis selection.
pin 46 : DIR AUDIO : IN : PCM audio data = "L", Others = "H".
pin 47 : MECH 5V REM : O : 5V and 3.3V power supply control for
the mechanism.
pin 48 : 2.5 V REM : O : ACC 2.5V power supply control.
pin 49 : 3.3 V REM : O : ACC 5V and ACC 3.3V power supply
control.
pin 50 : DAC MC : O : Colck pulse output to the DAC.
pin 51 : DD 15 CONT : O : Power supply control output for the au-
dio sections.
pin 52 : DD 3.3 CONT : O : ACC 5V, ACC 3.3V, ACC 2.5V power
supply control.
pin 53 : DAC ML : O : Latch pulse output to the DAC.
pin 54 : 10 V REM : O : 10V power supply control for DVD
mechanism.
pin 55 : DAC MDI : O : Serial data output to the DAC.
pin 56 : DAC RESET_ : O : Reset pulse output to the DAC.
pin 57 : VOL STB : O : Strobe pulse output to the Electric vol-
ume or the digital-audio-interface-re-
ceiver.
pin 58 : VOL DATA : O : Serial data output to the electric vol-
ume IC.
pin 59 : VOL CLOCK : O : Serial data clock output for the electric
volume IC.
pin 60 : VCC : - : Positive supply voltage.
pin 61 : DIR ERR : IN : digital-audio-interface-receiver error de-
tection.
pin 62 : VSS : - : Negative supply voltage.
pin 63 : DSP RESET_ : O : Reset pulse output to DSP IC.
pin 64 : DSP 0V : IN : Sub DSP over flow detection.
pin 65 : ADC RESET_ : O : Reset pulse output to the ADC.
pin 66 : ADC 0V : IN : ADC over flow detection.
pin 67 : VIDEO MUTE_ : O : Video muting signal output.
pin 68 : AMP REM OUT: O : Amplifier ON signal output terminal.
pin 69 : NU : - : Not in use.
pin 70 : NU : - : Not in use.
pin 71 : DIR X STATE_ : IN : digital-audio-interface-receiver/PLL un-
lock detection.
pin 72 : AMP REM DT_ : IN : Remote controller wire short detection.
pin 73 : Speed pulse_ : IN : Speed pulse input.
pin 74 : SYS MUTE_ : O : System mute signal output. Negative
logic.
pin 75 : LINE MUTE_ : O : Mute signal output for Audio signal of
Ce-NET. Negative logic.
pin 76 : EJECT OUT_ : O : Eject command output.
pin 77 : NU : - : Not in use.
pin 78 : NU : - : Not in use.
pin 79 : DVD RESET_ : O : Reset pulse output to DVD mechanism.
pin 80 : DVD A MUTE_ : IN : Mute request input from DVD mecha-
nism.
pin 81 : DVD ACC CNT : O : DVD mechanism ACC-CONT.
pin 82 : DVD SYS P-1 : IN : From DVD mechanism.
pin 83 : REG 1 : IN : Region code input.
pin 84 : REG 2 : IN : Region code input.
pin 85 : REG 3 : IN : Region code input.
pin 86 : NU : - : Not in use.
pin 87 : KEY A/D
pin 88 : NTSC/PAL_
pin 89 : DECK BB_
pin 90 : STND ALONE_ : IN : Stand alone = "L", Ce-NET slave =
pin 91 : PKB
pin 92 : DSP CSB_
pin 93 : DSP CS_
pin 94 : A VSS
pin 95 : NU
pin 96 : Vref
pin 97 : A VCC
pin 98 : DSP SI
pin 99 : DSP SO
pin100 : DSP SCK
Table 1. Destination setting input
INITIAL 1 ( pin 8 )
INITIAL 2 ( pin 9 )
Table 2. Input of A/D converter for Key judgment ( pin 87 )
Judgment
Power key
With Controller
Without Controller
- 7 -
: IN : Input terminal of A/D converter for Key
judgment. Ref. Table 2.
: IN : NTSC = "H", PAL = "L".
: IN : Initial setting input, DVD deck = "H"
"H".
: IN : "H"= Parking brake ON
: O : Sub DSP chip selection output.
: O : DSP chip selection output.
: - : Analog ground.
: - : Not in use.
: - : Reference voltage
: - : Positive supply voltage for the internal
analog section.
: IN : Serial data input from the DSP IC.
: O : Serial data output to the DSP IC.
: O : Clock pulse output to the DSP IC.
North Third
America area Japan
H L H
L L H
A/D steps
0/255 to 25/255
205/255 to 238/255
239/255 to 255/255
DVS9755z/
DVS970Z
Europe
L
H