
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
94
SA-HT855E / SA-HT855EB / SA-HT855EG
Summary of Contents for SA-HT855E
Page 7: ...3 Precaution of Laser Diode 7 SA HT855E SA HT855EB SA HT855EG ...
Page 9: ...5 Caution for AC Mains Lead 9 SA HT855E SA HT855EB SA HT855EG ...
Page 11: ...11 SA HT855E SA HT855EB SA HT855EG ...
Page 13: ...8 Operation Procedures 8 1 Operating instructions 13 SA HT855E SA HT855EB SA HT855EG ...
Page 14: ...8 2 Main Unit Keys Operation 14 SA HT855E SA HT855EB SA HT855EG ...
Page 16: ...8 3 2 Connecting with HDMI compatible TV Set Top Box 16 SA HT855E SA HT855EB SA HT855EG ...
Page 17: ...8 4 Use of HDAVI Control 17 SA HT855E SA HT855EB SA HT855EG ...
Page 18: ...8 5 Using of Music Port MONO ST E AC G H B SR H W 18 SA HT855E SA HT855EB SA HT855EG ...
Page 20: ...8 6 2 File Extension Type Support WMA MP3 JPEG MPEG4 DivX 20 SA HT855E SA HT855EB SA HT855EG ...
Page 21: ...8 7 About DivX VOD Content 21 SA HT855E SA HT855EB SA HT855EG ...
Page 28: ...28 SA HT855E SA HT855EB SA HT855EG ...
Page 34: ...11 1 Disassembly Flow Chart 34 SA HT855E SA HT855EB SA HT855EG ...
Page 35: ...11 2 Main Components and P C B Locations 35 SA HT855E SA HT855EB SA HT855EG ...
Page 58: ...SA HT855E SA HT855EB SA HT855EG 58 ...
Page 60: ...SA HT855E SA HT855EB SA HT855EG 60 ...
Page 68: ...SA HT855E SA HT855EB SA HT855EG 68 ...
Page 70: ...70 SA HT855E SA HT855EB SA HT855EG ...
Page 102: ...24 Exploded Views 24 1 Cabinet Parts Location 102 SA HT855E SA HT855EB SA HT855EG ...
Page 103: ...103 SA HT855E SA HT855EB SA HT855EG ...
Page 104: ...24 2 Packaging 104 SA HT855E SA HT855EB SA HT855EG ...