| Item | Value | |---|---| | Chassis | 17MB62-V1 | | Chip ref | U158 | | Flash IC | MX25L80 (1Mbit / 128KB) | | Package | SOIC-8 | | VCC | 3.3V | | Common tools | CH341A, SOIC8 clip, AsProgrammer, flashrom |
| Symptom | Description | |---------|-------------| | | LED blinks continuously (e.g., 6 or 8 blinks) but never boots. | | No reaction to power button | Standby LED present, but IR/Keys do nothing. | | Backlight on, no image | Backlight powers up, but screen remains black (no OSD/LED blinking error). | | Endless boot loop | TV turns on/off every 10-20 seconds. | | CRC errors in UART log | If you connect a serial TTL adapter (115200 baud), you see SPI Flash CRC mismatch or Invalid boot code . | VESTEL CHASSIS 17MB62-V1 U158 MX25L80 DUMP Service
This IC stores the "dump" or firmware, which includes the boot code and basic operational parameters. If this data becomes corrupted, the TV may exhibit "stuck in standby," "blinking LED," or "no power" symptoms. 3. Service Procedures: Firmware Recovery and Dumps | Item | Value | |---|---| | Chassis