Sony KDL-42W805B User Manual

LCD DIGITAL COLOR TV
SERVICE MANUAL
9-883-559-51
LEVEL 3
CONFIDENTIAL
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
ELECTRICAL SERVICE INTERNAL DISTRIBUTION ONLY
REVISION DATE SUBJECT
2/6/2015 Original Manual Release Date
Self Diagnosis
Supported model
MODEL COMMANDER DESTINATION
KDL-32W700B RM-YD103 US / Canada
KDL-32W700B RM-YD103 Mexico / Latin America
KDL-42W700B RM-YD103 US / Canada
KDL-42W800B RM-YD103 Mexico / Latin America
KDL-42W805B RM-YD099 Brazil
KDL-50W700B RM-YD103 US / Canada
KDL-50W790B RM-YD102 US / Canada
KDL-50W800B RM-YD102 US / Canada
KDL-50W800B RM-YD102 Mexico / Latin America
KDL-50W805B RM-YD099 Argentina
KDL-50W805B RM-YD099 Brazil
KDL-50W805B RM-YD099 Chile / Peru / Ecuador
KDL-50W807B RM-YD099 Colombia
KDL-55W700B RM-YD103 US / Canada
KDL-55W790B RM-YD102 US / Canada
KDL-55W800B RM-YD102 US / Canada
KDL-55W800B RM-YD102 Mexico / Latin America
KDL-55W805B RM-YD099 Brazil
KDL-55W805B RM-YD099 Chile / Peru
KDL-55W807B RM-YD099 Colombia
RB2G CHASSIS
Segment: HE-L
ORIGINAL MANUAL ISSUE DATE: 2/2015

Sony KDL-42W805B Specifications

General

Brand	Sony
Model	KDL-42W805B
Category	LCD TV
Language	English

Summary

SECTION 1: DIAGRAMS

SECTION 2: TROUBLESHOOTING

2.1 - NO POWER

Troubleshooting steps for units that do not power on.

2.1-3 - NO POWER: DC/DC CONVERTER CHECK

Procedure to check the DC/DC converter for no power issues.

2.1-4 - NO POWER: AYU2 CONTROL

Troubleshooting steps for no power related to the Ayu2 control circuit.

2.1-5 - NO POWER: G BOARD

Steps to diagnose no power issues when the G Board is suspected.

2.1-7 - NO POWER: AYU2L CONTROL

Troubleshooting for no power related to the Ayu2L control circuit.

2.3-1 - NO SOUND:GENERAL

General troubleshooting for units with no sound output.

2.3-2 - NO SOUND: AUDIO (FOR ALL MODELS) TUS AND BAX (HT-L, HT-H, HT-H65, HS)

Audio troubleshooting for specific models and boards.

2.3-4 - NO SOUND: MAIN BOARD POWER OFF CHECKING (MAIN SPEAKER L & R) FOR BAX-L (HEL, HEH, HM) BOARD ONLY

2.3-7 - NO SOUND: TUNER

2.3-8 - NO SOUND: HDMI

2.5-1 - NO PICTURE: (BAX + TUS)

2.5-3 - NO PICTURE: TUNER

2.5-5 - NO PICTURE: HDMI

2.5-10 - NO PICTURE: ALL MODEL

2.1-1 - No Power: General

General troubleshooting steps for units that do not power on.

2.3 - NO SOUND

General troubleshooting for units with no sound output.

2.1-2 - No Power: AC Adaptor

Troubleshooting steps for AC adapter and power input issues.

2.5 - NO PICTURE

Troubleshooting steps for units with no picture display.

SECTION 3: POWER BOARD

CAUTIONS AND WARNINGS

SAFETY CHECK-OUT

LEAKAGE TEST

Procedure for testing AC leakage from metal parts to earth ground.

HANDLING THE FLEXIBLE FLAT CABLE (FFC)