Replacement Parts List; Hdmi Mode - LG 32LB2R Service Manual

19. HDMI mode

Is only video
normal?
Is only audio
normal?
Check TMDS line wave.
(R1215 ~ R1222/ R1226
~ R1233)
Is wave
continuous?
1. Check HDMI receiver's status register.
(0x60, offset 00x6)
- If the value is 0xf or 0x8, it is normal.
2. Check HDCP register.(0x6, offset 0x32)
- Enable bit 6 : HDCP key loaded
- Enable bit 5 : HDCP dicryption active
- Enable bit 4 : HDCP authen, attempted
Reset TMDS power down/ on register.
- 0x60, ofste 0x3f, 0xf7 => 0xff
Yes
No
Yes
No
No
Yes
Download EDID data each port.
1. Check TV input mode.
(HDMI1 port support HDMI and DVI.
So if you input DVI signal and PC
audio from phone jac, You ca hear
PC audio.)
2. Unplug and plug HDMI cable.
3. Check HDMI Mute register. (0x68,
offset 0x37)
4. Check Audio-out channel mute
register (0x68, offset 0x32) is
apprepriately enabled.
Check HDMI source.
Change another source or cable.
Normal video
Normal audio?
- 26 -
Replace IC01200