Brand: SANYO
Category: Video
Document Type: Parts/Service
Language: EN
Parts/Service for HTD-5201
Uploaded: Nov. 21, 2025, 8:47 p.m.
Warranty Information
SANYO reserves the right to modify product designs and specifications without notice.
DVD P.W.BOARD OPERATION
1. General operation diagram (This is a basic general operation diagram)
The circuit mounted on the Loader part (Frontend Board) is configured as shown, which is divided into following bl;ocks according to main IC's.
Troubleshooting and error codes
TROUBLE SHOOTING
(This is a basic trouble shooting.)
General flow
| Condition | Action | Result |
|---|---|---|
| POWER SUPPLY.FSTANDBY mode | Check IC601 VDD/RESET/OSC, IC601:FPC16316-80, STANDBY LED peripheral, P-CON/+5V/+12/-30/FIL | OK |
| POWER SUPPLY.FSTANDBY mode | Check IC601 VDD/RESET/OSC, IC601:UPD16311, STANDBY LED peripheral, P-CON/+5V/+12/-30/FIL | OK |
| POWER KEY PRESS | Check POWER KEY, LED peripheral | OK |
| P-CON.FHIGH | Check P-CON/+5V/+12/-30/FIL, OPEN/CLOSE.ETRAY LED LIGHT, IC601 STANDBY DATA WAITE, STANDBY LED OFF | OK |
| RESET LOADER AND CHIPS | Check RESET (IC130), VDD/CLOCK, IC116 peripheral | OK |
| READ/WRITE DATA IN EEPROM | Check IC BUS LINE, IC601 VFD peripheral, -30V.EFILAMENT voltage, Communication LINE | OK |
| START COMMUNICATION WITH VFD | Check Communication LINE, REMCON NG, IC116/IC113,112 peripheral | OK |