- 7 -
- 6 -
TROUBLE SHOOTING
IC430,IC601 +5V POWER ONLY
IC430 RESET
X4300 CLOCK
IC430 ACTIVE
IC601 COMMUNICATION
POWER SUPPLY ; STANDBY mode
IC430 ACTIVE / P-CON ; LOW
±12V,±7V,DVD-POWER ; OFF / FIL,-30V ; ON
AC CORD PLUG
P-COM ; HIGH
DVD-POWER ; HIGH
IC430 STANDBY DATA WAIT
±12V,±7V ; ON
IC451,IC452 COMMUNICATION
INITIALIZE ADAC (IC870)
RESET LOADER
READ,WRITE DATA IN EEPROM (IC801)
IC800 START COMMUNICATION WITH IC430
START CONTROL OF LOADER
PICK INITIALIZE SPINDLE ROTATE
IC601 VFD DATA RCVD
DISPLAY OPENNING
PLAYBACK MODE
FROM MPU STANDBY DATA SEND
IC430 STANDBY DATA RCVD
IC430 VFD DATA RCVD
IC430 VFD DATA SEND
POWER KEY PRESS
DISC Y/N
VFD INDICATE
"READING"
IVFD INDICATE
"NO DISC"
NG
N
Y
DVD FUNCTION
IC430 VDD,RESET,OSC CONFIRM
IC430 COMMUNICATION CONFIRM
P-CON,FIL,-30V CONFIRM
NG
NG
*1
IC601 & IC430 PERIPHERAL CONFIRM
-30V FILAMENT VOLTAGE CONFIRM
COMMUNICATION LINE CONFIRM
VDD,CLOCK CONFIRM
IC800 PERIPHERAL CIRCUIT CONFIRM
POWER KEY CONFIRM
IC601 COMMUNICATION CONFIRM
PROTECT CIRCUIT CONFIRM
IC462,IC472,IC482,IC483 CONFIRM
P-CON
±12V,±7V,P-CON CONFIRM
DVD-POWER CONFIRM (IC410,IC411 etc)
FM,AM,VIDEO1,VIDEO2 (VIDEO,TV)
NG
NG
NG
IC800,IC818,IC822 BUS-LINE CONFIRM
NG
LOADER CONFIRM
COMMUNICATION LINE CONFIRM (FFC)
P-COM ; HIGH /
DVD-POWER ; LOW
IC430 STANDBY DATA WAIT
±12V,±7V ; ON
IC451,IC452 COMMUNICATION
IC430 VFD DATA SEND
IC601 VFD DATA RCVD
VFD INDICATE "VIDEO1" or "VIDEO2"
NG
NG
IC451,IC452,IC241 COMMUNICATION
IC430 VFD DATA SEND
IC601 VFD DATA RCVD
VFD INDICATE "FM" or "AM"____k(M)Hz
NG
POWER KEY CONFIRM
IC601 COMMUNICATION CONFIRM
PROTECT CIRCUIT CONFIRM
IC462,IC472,IC482,IC483 CONFIRM
±12V,±7V,P-CON CONFIRM
TUNER
VIDEO1, VIDEO2 (VIDEO,TV)
*1
*1
COMMUNICATION LINE CONFIRM
REMOCON NG IC430 & DS601 PERIPHERAL CONFIRM
REMOCON OK IC430 PERIPHERAL CONFIRM
IC430
X4300
IC451
IC601
IC870
IC801
IC410
IC411
IC241
DS601
IC800
IC818
IC821
IC822
TU-PLL
IR
DVD-MPU
&
MPEG
FLASH
SDROM
SDRAM
SYSCON
SYS-CLK
FUNCTION
&
VOLUME
VFD-DRV
6CH-DAC
EEPROM
REG.
REG.