Pioneer f-502 Service Manual page 17

LEDs
RED BLUE
Blue １
Blue ２
Blue ３
Blue ４
Blue ５
Blue ６
Blue ７
Blue ８
Blue 9
Blue 10
Blue 11
Blue 12
Blue 13
Blue 14
Blue 15
Red 2
Red 3
Red 4
Red 6
Red 7
Red 8
Red 9
Red 10
Red 11
Blinking
Power Down & Shut Down
SQ IC (Digital Ass'y)
Module uCom IIC Communication (Digital or Sensor Ass'y)
DIGTAL-RST2 (Digital Ass'y)
Panel High or Low Temperature (Sensor Ass'y)
Audio
Module uCom Communication (Main or Digital Ass'y)
Main Ass'y 3Line Serial Communication (Main Ass'y)
Main IIC Communication (Main, Tanshi, or
Main uCom Communication to IF uCom (Main Ass'y)
FAN (Connection, Breakdown)
High Temperature (Tanshi Ass'y)
Digital Tuner Communication (Main Ass'y)
MTB-RST2/RST4 (Main Ass'y or Pwr Supply +12V)
HOME GALLERY Error - Elite (HN Module Ass'y)
Main EEPROM (Main Ass'y)
POWER SUPPLY, X-DRIVE, or Y-DRIVE Ass'y
SCAN (SCAN IC, X-Drive, or Y-DRIVE ASS'Y)
SCN-5V (SCAN IC OR Y-DRIVE ASS'Y)
Y-DCDC (Y-DRIVE Ass'y)
Y-SUS (Y-DRIVE Ass'y)
ADRS (ADDRESS ASS'Y or connectors to Y, X, or Digital)
X-DRIVE Ass'y or connectors to Digital Ass'y
X-DCDC (X-DRIVE ASS'Y)
X-SUS (X-DRIVE ASS'Y)
Trap Switch
No Backup (Digital Ass'y)
17
G7
Chart for & G8 Models
Cause
Audio
Ass'y)