Clarion PN-3000P-A Service Manual page 25

pin 79: TEST 1 : IN : For the test.
pin 80: TEST 2 : IN : For the test.
pin 81: TEST 3 : IN : For the test.
pin 82: TEST 4 : IN : For the test.
pin 83: I2C REQUEST : O : I2C request output.
pin 84: I2C SDA :I/O: I2C serial data input/output.
pin 85: I2C SCL :I/O: I2C serial clock input/output.
pin 86: ACC DET : IN : ACC detection signal input.
pin 87: NU : - : Not in use.
pin 88: SW 1 : IN : The switch signal input.
pin 89: VCC : - : Positive voltage supply.
pin 90: SW 2 : IN : The switch signal input.
pin 91: VSS : - : Negative voltage supply.
pin 92: SW 3 : IN : The switch signal input.
pin 93: SW 4 : IN : The switch signal input.
pin 94: NU : - : Not in use.
pin 95: PT 3 : IN : The photo sensor signal input.
pin 96: PT 2 : IN : The photo sensor signal input.
pin 97: PT 1 : IN : The photo sensor signal input.
pin 98: PT 5 : IN : The photo sensor signal input.
pin 99: PT 4 : IN : The photo sensor signal input.
pin100: Vref H : - : Reference voltage.
- M3 - 929-0390-81