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Clarion PS-2375D Service Manual page 4

Suzuki automobile genuine am/fm stereo cd deck

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pin 67 : TR B
: IN : Photo sensor signal input from the CD
mechanism.
pin 68 : TR A
: IN : Photo sensor signal input from the CD
mechanism.
pin 69 : CHU SW_
: IN : L= Disc chucked.
pin 70 : RESET CD_
: O : Reset signal output to the CD mecha-
nism. Negative logic.
pin 71 : CCE_
: O : Chip enable signal output to CD IC.
Negative logic.
pin 72 : BUC CLOCK
: O : CD IC clock pulse output.
pin 73 : BUC 3
: I/O : CD IC Data input / output.
pin 74 : BUC 2
: I/O : CD IC Data input / output.
pin 75 : BUC 1
: I/O : CD IC Data input / output.
pin 76 : BUC 0
: I/O : CD IC Data input / output.
pin 77 : NU
: - : Not in use.
pin 78 : NU
: - : Not in use.
pin 79 : NU
: - : Not in use.
pin 80 : VFD DO
: O : Serial data output to the VFD driver.
pin 81 : VFD DI
: IN : Serial data input from the VFD driver.
pin 82 : VFD CLK
: O : Clock pulse output to the VFD driver.
pin 83 : VFD CE
: O : Chip enable signal output to the VFD
driver.
pin 84 : VFD BLK
: O : BLK output to the VFD driver.
BLOCK DIAGRAM
PS-2375D,I
PS-2376D,I
PS-2377D,I
pin 85 : NU
: - : Not in use.
pin 86 : POWER SW_ : IN : Power switch pulse input. Negative log-
pin 87 : E VOL 1
: IN : Volume control pulse input.
pin 88 : E VOL 2
: IN : Volume control pulse input.
pin 89 : TAPE EJ_
: IN : Tape-eject-signal input. Negative logic.
pin 90 : CD EJ_
: IN : CD-eject-signal input. Negative logic.
pin 91 : NU
: - : Not in use.
pin 92 : NU
: - : Not in use.
pin 93 : CS SEL
: IN : "L"= Without builtin cassette tape
pin 94 : E VOL CE
: O : Chip enable signal output to the E
pin 95 : CD TEMP
: IN : CD temperature voltage input.
pin 96 : A VSS
: - : Analog ground.
pin 97 : ILL CONT A
: IN : VFD power supply voltage sensor in-
pin 98 : Vref
: - : Reference voltage,
pin 98 : Vref
: O : Reference voltage output.
pin 99 : A VCC
: IN : Positive supply voltage for the internal
pin100 : PLL DI
: IN : PLL serial data input.
- 4 -
ic.
player.
VOL IC.
put.
analog section.

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Ps-2375iPs-2376dPs-2376iPs-2377dPs-2377i