Brand: SONY
Category: Audio
Document Type: Manual
Language: EN
Brand: SONY
Category: Audio
Document Type: Manual
Language: EN
Uploaded: Nov. 21, 2025, 8:25 p.m.
Manual Publish Date: 2017-06-01
| Category | Problem | Troubleshooting Steps |
|---|---|---|
| Main Flowchart | Power LED Light up about 10s and turn of automatically. | Check if all power lines are normal. If not, go to "Power System Flowchart". If yes, check IC401, pin 2 (output) UNSW 1.8V. If not, go to "Power System Flowchart". If yes, check if the set can be powered ON by Power Switch or Remote Control. |
| Main Flowchart | No HDMI output | Go to "Video/HDMI flowchart". |
| Main Flowchart | No Coaxial Output | Go to "Audio flowchart". |
| Main Flowchart | No Playback function | Go to "Drive flowchart". |
| Main Flowchart | No Internet connection function | Go to "Ethernet Flowchart" or "Wifi Flowchart". |
| Main Flowchart | No USB playback function | Go to "USB flowchart". |
| Power System Flow | No AC IN / No output voltages from DC Jack | Check that the DC cord is inserted properly. If not, replace the AC Adaptor. |
| Power System Flow | Blown fuses | Replace the MB board. |
| Power System Flow | Failure of Reset IC | Replace MB Board. |
| Power System Flow | Failure of power supply IC | Replace MB board. |
| Remote Control Flowchart | Remote Control Does Not Operate | Check IC101 pin2 +3.3V (FR Board), then CN705 pin2 +3.3V (MB Board), then CN101 pin2 +3.3V (FR Board). Check waveform shape during pressing Remote Con. at IC101 pin1, CN705 pin3 (MB Board), and CN101 pin3 (FR Board). Check FFC connection from CN101. Replace MB board or FR Board as indicated. |
| FR-1702 Board Flowchart | EJECT / POWER Button or LED Issue. | Check if symptom improves after replacing FR Board. Check FFC connection from CN101. Replace MB Board or FR Board as indicated. |
| Video Section Flowchart (HDMI 1 & 2) | Video does not appear right | Check power supply to IC101 and IC1102. Check HTPLG IC101. Check CN1101/CN1102 signal or TMDS signal output. Replace MB Board, HDMI Cable, or TV. |
| Audio (SPDIF) Section Flowchart | Audio does not sound right? | Check if video is output properly. Check if Drive operation is proper. Check for AUDIO digital signal input to SPDIF circuit. Check SPDIF output resistor/Capacitor OK. Check HDMI output. Replace MB Board. |
| Drive Flowchart | UBP cannot play BD disc | Check Drive Power Supply and fuses. Check/replace Drive FFC cable. Check Optical Unit (BU) IOP. Replace Optical Unit (BU). |
| Drive Flowchart | UBP cannot play DVD & CD disc | Check Drive Power Supply and fuses. Check/replace Drive FFC cable. Check Optical Unit (BU) IOP. Replace Optical Unit (BU). |
| Ethernet flowchart | Cannot connect with the network, cannot update through the network | Check if LAN cable is plugged in properly. Check if the LED of the hub router is lit. Check network settings. Replace the MB Board. |
| Wifi flowchart | Wireless setup fail. | Check USB harness connection. Check 5V at Wifi Module pin1. Repeat wireless setup. Check if Wi-Fi Connection can be established. Change MB board / Wifi Module. |
| USB (Front) Device Flow | USB device is not recognized | Insert USB device again and check recognition after power cycle. Check for poor contact of USB device or connector damage. Check 5V at CN201 (FR board) Pin1 and CN705 (MB board) Pin8 or Pin9. Replace FFC between MB board and IF board, or MB board. |