Service manual

VRX765VD
VRX766VD
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pin112: DSP RST : O : Reset pulse output to the DSP IC.
pin113: DSP INIT : IN: The initial finished signal input from the
Radio-Audio-DSP.
pin114: SAMPLE :IN : Not in use.
pin115: NU : - : Not in use.
pin116: AM/FM 8V ON : O : AM/FM 8V ON signal output.
pin117: RDS DATA :IN: RDS serial data input.
pin118: AM/FM 5V ON : O : AM/FM 5V ON signal output.
pin119: iPod DET :IN: H = iPod is connected.
pin120: NU : - : Not in use.
pin121: DAC RESET : O : The reset pulse output to DAC.
pin122: SYS MUTE : O : System muting signal output.
pin123: AMP MUTE : O : Muting signal output to the Audio Power
Amplifier.
pin124: NU : - : Not in use.
pin125: Motor PWR : O : L = High Speed.
pin126: Photo Sens :IN: Photo sensor signal input.
pin127: Rear Im Sel 4 : O : Rear image signal selection. Refer Table
2.
pin128: Rear Im Sel 3 : O : Rear image signal selection. Refer Table
2.
pin129: TILT VR :IN : Input-terminal of internal ADC to read the
value of tilt-volume.
pin130: FAN TEMP :IN : The input terminal of the internal ADC to
detect the temperature.
pin131: Rear Im Sel 2 : O : Rear image signal selection. Refer Table
2.
pin132: Rear Im Sel 1 : O : Rear image signal selection. Refer Table
2.
pin133: Frnt Im Sel 3 : O : Front image signal selection. Refer Table
1.
pin134: Frnt Im Sel 2 : O : Front image signal selection. Refer Table
1.
pin135: Frnt Im Sel 1 : O : Front image signal selection. Refer Table
1.
pin136: SEL 3 :IN: The selection signal input.
pin137: SEL 2 :IN: The selection signal input.
pin138: PKB :IN : The parking brake signal input.
pin139: PHONE INT :IN : The telephone interrupt signal input.
pin140: NU : - : Not in use.
pin141: AMP REM DT :IN: Remote controller wire short detection.
pin142: AMP REM O : O : ON signal output to the amplifier.
pin143: AUTO ANT : O : Auto antenna control signal output.
pin144: ACC IN :IN: ACC ON flag input.
Table 1. Front image signal selection
Visual TV DVD CCD
Frnt Im Sel 1 ( pin 135 ) L H L L
Frnt Im Sel 2 ( pin 134 ) L L H L
Frnt Im Sel 3 ( pin 133 ) H H H L
Table 2. Rear image signal selection
Visual TV DVD DVD A/C
Rear Im Sel 1 ( pin 132 ) L H L L
Rear Im Sel 2 ( pin 131 ) L L H L
Rear Im Sel 3 ( pin 128 ) H H H L
Rear Im Sel 4 ( pin 127 ) L L L H
052-7079-00 TC58FVM5B3AFTG65 Lower CMOS Flash Memory
Terminal Description
pin 1: A 15 : IN: Address signal input.
pin 2: A 14 : IN: Address signal input.
pin 3: A 13 : IN: Address signal input.
pin 4: A 12 : IN: Address signal input.
pin 5: A 11 : IN: Address signal input.
pin 6: A 10 : IN: Address signal input.
pin 7: A 9 :IN : Address signal input.
pin 8: A 8 :IN : Address signal input.
pin 9: A 19 : IN: Address signal input.
pin 10: A 20 :IN: Address signal input.
pin 11: WE :IN : Write enable signal input.
pin 12: RESET : IN : Reset signal input.
pin 13: NU : - : Not in use.
pin 14: WP/ACC : IN : The write protection signal input / The
acceleration signal input.
pin 15: RY/BY : O : The ready/busy signal output.
pin 16: A 18 :IN: Address signal input.
pin 17: A 17 :IN: Address signal input.
pin 18: A 7 :IN : Address signal input.
pin 19: A 6 :IN : Address signal input.
pin 20: A 5 :IN : Address signal input.
pin 21: A 4 :IN : Address signal input.
pin 22: A 3 :IN : Address signal input.
pin 23: A 2 :IN : Address signal input.
pin 24: A 1 :IN : Address signal input.
pin 25: A 0 :IN : Address signal input.
pin 26: CE :IN : Chip enable signal input.
pin 27: VSS : - : Negative supply voltage.
pin 28: OE : IN: Output enable signal input.
pin 29: D 0 :I/O: Data input/output.
pin 30: D 8 :I/O: Data input/output.
pin 31: D 1 :I/O: Data input/output.
pin 32: D 9 :I/O: Data input/output.
pin 33: D 2 :I/O: Data input/output.
pin 34: D 10 :I/O: Data input/output.
pin 35: D 3 :I/O: Data input/output.
pin 36: D 11 :I/O: Data input/output.
pin 37: VDD : - : Positive supply voltage.
pin 38: D 4 :I/O: Data input/output.
pin 39: D 12 :I/O: Data input/output.
pin 40: D 5 :I/O: Data input/output.
pin 41: D 13 :I/O: Data input/output.
pin 42: D 6 :I/O: Data input/output.
pin 43: D 14 :I/O: Data input/output.
pin 44: D 7 :I/O: Data input/output.
pin 45: D 15/A-1 :I/O: Data input/output. A-1 address input.
pin 46: VSS : - : Negative supply voltage.
pin 47: BYTE/WORD :IN: Byte / Word selection.
pin 48: A 16 :IN: Address signal input.