Hitachi 55HK6T64U - User Manual

HITACHI
55HK6T64U
55293DLB
MB100
SERVICE MANUAL

Summary

2. TUNER

B. M88 TS2022 SATELLITE TUNER

3. AUDIO AMPLIFIER STAGES

4. POWER STAGE

5. MICROCONTROLLER (MSTAR MSD95 C0 H)

6. VIDEO BACK-END PROCESSOR (MSTAR)

MST7410 DY

7. 1 GB DDR3 SDRAM

8. 2 GB DDR3 SDRAM

9. 32 GBİT (4 G X 8 BİT) NAND FLASH MEMORY

10. 16 M-BIT [16 M X 1] CMOS SERIAL FLASH EEPROM

M25 Q32 FV SPI FLASH

11. DEMODULATOR STAGE

MSB1240 DVB-T2

13. TROUBLESHOOTING

A. NO BACKLIGHT PROBLEM

TV working, LED normal, but no picture and backlight on the panel.

D. CI MODULE PROBLEM

E. STAYING IN STAND-BY MODE

TV not booting or hanging in standby mode, indicating a potential short on VCC voltages.

H. USB PROBLEMS

i. NO SOUND PROBLEM

No audio at main TV speaker outputs; check supply voltages, headphone connector, or detect circuit.

J. STANDBY ON;OFF PROBLEM

Device cannot boot or TV hangs in standby mode; check power supply and SW.

K. NO SIGNAL PROBLEM

Hitachi 55HK6T64U Specifications