21.2. Basic Troubleshooting Guide for HDMI AV output
RX3707, RX3708, RX3701
R3901
LB8702
13) Hot-Plug signal
RX3706
LB3906, R3902, R3903, Q3901, D3901
16) Video data lines from LSI (IC8001) to
Up-Converter (IC3701)
14) TMDS output swing amplitude control resistor
15) Host Interface External Input Clock from
L3903, L3904, L3905
L3906
LB3905, R3905, Q3902, R3904
LB3904, R3907, Q3903, R3906
RX3902
R3921
LB3901, L3901, L3902
- Data
LB3702
- Clock
5) HDMI Transmitter communication lines to TV
2) +5V supply to TV
mode from 480p to 720p / 1080i,
- Pins : 55, 57, 62, 67, 71, 75, 79
4) HDMI Output TMDS signal lines
the TV display becomes blank.
2) When switching the video output
1) Supply for IC3701 up-conversion pin
LB3703
1) TV does not have display. Set
3) HDMI Connector Solderbility condition
FL display shows U702 / U703.
1) Check setting of the set in Setup Menu whether
HDMI video output is turned ON.
IC3952 (Pin 4)
P3901
Problems
Checking Points
Checking components
5) HDMI got no audio output.
1) Audio Data Lines
RX8403, RX8402
*Check f
f
or s
s
older s
s
hort an
an
d/or
signal c
c
ondition
component m
component
m
issing/damaged as well as
d
as well as
3) Picture shown on TV not
clear / sharp
1) Up-Converter (IC3701) Luminance output
RX3702
4) Colour Problem. TV Screen is
1) Up-Converter (IC3701) Component Y, Pb, Pr output
RX3703, RX3704, RX3705
White / Blue / Purple.
11) HDMI Pixel clock output from Up-Con to HDMI
LSI (IC8001) to Up-Con IC (IC3701)
7) Local Port Slave Address setting resistor
8) HDMI Trans3.3V supply
9) HDMI Trans1.8V supply
10) HDMI Up-con +3.3V supply
Transmitter
12) Up-Con IC I2C Data and Clock Line
IC3782 (Pin1), LB3902
LB3701
6) HDMI Transmitter communication lines from LSI
- Data , SDA
- Clock, SCL
88
SA-HT940P / SA-HT940PC
Summary of Contents for SA-HT940PC
Page 7: ...7 SA HT940P SA HT940PC ...
Page 10: ...10 SA HT940P SA HT940PC ...
Page 15: ...7 3 2 File Extension Type Support WMA JPEG MP3 15 SA HT940P SA HT940PC ...
Page 17: ...8 1 2 Tips on using digital transmitter SH FX60T 17 SA HT940P SA HT940PC ...
Page 18: ...8 1 3 Below is tips on using digital receiver SE FX80 18 SA HT940P SA HT940PC ...
Page 19: ...8 1 4 Tips on using digital transmitter SH FX80T 19 SA HT940P SA HT940PC ...
Page 20: ...8 2 About HDMI 8 2 1 What is HDMI 8 2 2 Advanced Digital Pictures 20 SA HT940P SA HT940PC ...
Page 26: ...26 SA HT940P SA HT940PC ...
Page 32: ...10 1 Disassembly Flow Chart 32 SA HT940P SA HT940PC ...
Page 33: ...10 2 Main Components and P C B Locations 33 SA HT940P SA HT940PC ...
Page 42: ...Step 3 Push tray assembly to the direction of arrow shown 42 SA HT940P SA HT940PC ...
Page 56: ...56 SA HT940P SA HT940PC ...
Page 58: ...SA HT940P SA HT940PC 58 ...
Page 66: ...66 SA HT940P SA HT940PC ...
Page 96: ...24 Exploded Views 24 1 Cabinet Parts Location 96 SA HT940P SA HT940PC ...
Page 97: ...97 SA HT940P SA HT940PC ...
Page 98: ...98 SA HT940P SA HT940PC ...