Sony KDL-32W700B / KDL-42W700B / KDL-42W800B / KDL-42W805B / KDL-50W700B / KDL-50W790B / KDL-50W800B / KDL-50W805B / KDL-50W807B / KDL-55W700B / KDL-55W790B / KDL-55W800B / KDL-55W805B / KDL-55W807B Service Manual ▷ View online
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
Chassis: RB2G, HE-L
Chassis: RB2G, HE-L
2
TABLE OF CONTENTS
SECTION TITLE
PAGE
SECTION 1: DIAGRAMS ................................................................................................................................................................................................... 8
1-1. Printed Circuit Boards and Schematic Diagrams Information ............................................................................................................................ 8
SECTION 1: DIAGRAMS ................................................................................................................................................................................................... 9
1-2. Circuit Boards Location ...................................................................................................................................................................................... 9
SECTION 2: TROUBLESHOOTING ................................................................................................................................................................................ 10
2.1-1 - No Power: General ........................................................................................................................................................................................ 10
2.1-2 - No Power: AC Adaptor .................................................................................................................................................................................. 10
2.1-3 - No Power: DC/DC Converter Check ............................................................................................................................................................. 11
2.1-4 - No Power: Ayu2 Control ................................................................................................................................................................................ 15
2.1-5 - No Power: G Board ....................................................................................................................................................................................... 22
2.1-6 - No Power: DC/DC Converter Check ............................................................................................................................................................. 23
2.1-7 - No Power: Ayu2L Control .............................................................................................................................................................................. 25
2.1-8 - No Power: Ayu2 / Ayu2L Failure .................................................................................................................................................................... 28
2.1-9 - No Power: Ayu2 / Ayu2L Replacement ......................................................................................................................................................... 29
2.2-1 - Led Blinking: 3X DC Alert & Communication Error ....................................................................................................................................... 30
2.2-2 - Led Blinking: 3X (Audio Error) - BAX-L (HE-L,HM,HE-H) Board Only .......................................................................................................... 39
2.2-3 - Led Blinking: 4X Led Voltage Error ............................................................................................................................................................... 42
2.2-4 - Led Blinking: 5X T-CON Error ....................................................................................................................................................................... 43
2.2-5 - Led Blinking: 6X Backlight Error .................................................................................................................................................................... 46
2.2-6 - Led Blinking: 7X Temperature Error .............................................................................................................................................................. 49
2.3-1 - No Sound: General ....................................................................................................................................................................................... 51
2.3-2 - No Sound: Audio (For All Models) TUS and BAX (HT-L, HT-H, HT-H65, HS) ............................................................................................... 52
2.3-3 - No Sound: Audio (For All Models) BAX-L (HE-L, HM, HE-H) Board Only ..................................................................................................... 56
2.3-4 - No Sound: Main Board Power Off Checking (Main Speaker L & R) For BAX-L (HEL, HEH, HM) Board Only ............................................. 59
2.3-5 - No Sound: Main Board Power Off Checking (Main Speaker L & R) For BAX-L (HEL, HEH, HM) Board Only ............................................. 61
2.3-5 - No Sound: Main Board Power Off Checking (Main Speaker L & R) For BAX-L (HEL, HEH, HM) Board Only ............................................. 62
2.3-6 - No Sound: HP/Lineout Only For BAX-L (HEL, HEH, HM) Board Only .......................................................................................................... 68
2.3-7 - No Sound: Tuner ........................................................................................................................................................................................... 71
2.3-8 - No Sound: HDMI ........................................................................................................................................................................................... 72
2.3-9 - No Sound: MHL ............................................................................................................................................................................................. 73
2.4 - RB2 Analog Signal Path ................................................................................................................................................................................... 76
2.5-1 - No Picture: (BAX + TUS) ............................................................................................................................................................................... 77
2.5-2 - No Picture: Input Skip Function - BAX/BAX-L ............................................................................................................................................... 78
2.5-3 - No Picture: Tuner .......................................................................................................................................................................................... 79
2.5-4. Tuner COL-T2 / BRZ / ARG ............................................................................................................................................................................ 86
2.5-5 - No Picture: HDMI .......................................................................................................................................................................................... 99
2.5-6 - No Picture: HDMI (BAX-L & BAX Board) .................................................................................................................................................... 102
2.5-7 - No Picture: MHL (BAX-L) ............................................................................................................................................................................ 108
2.5-8 - No Picture: MHL (BAX) ............................................................................................................................................................................... 110
2.5-9 - No Picture: LD Models Only ........................................................................................................................................................................ 112
2.5-10 - No Picture: All Model ................................................................................................................................................................................. 113
2.6 - Side Buttons Malfunction ................................................................................................................................................................................ 118
Chassis: RB2G, HE-L
3
2.9 - Network Malfunction: Ethernet (Wired) .......................................................................................................................................................... 121
2.10 - 3D-Glasses(Active) Malfunction ................................................................................................................................................................... 124
2.11-1 - Wireless Network Malfunction ................................................................................................................................................................... 125
2.11-2 - Wireless Network Malfunction (Continue) ................................................................................................................................................. 126
2.12 - Bluetooth Malfunction ................................................................................................................................................................................... 127
SECTION 3: POWER BOARD ....................................................................................................................................................................................... 128
3.1 - Power Board: BAX-L (A SIDE) ....................................................................................................................................................................... 128
3.2 - Power Board: BAX-L (B SIDE) ....................................................................................................................................................................... 129
3.3 - Power Board: Tuner ....................................................................................................................................................................................... 130
3.4 - Board Schematic ............................................................................................................................................................................................ 131
3.4 - Board Schematic ............................................................................................................................................................................................ 131
SECTION 4: ELECTRICAL PART LIST ........................................................................................................................................................................ 155
APPENDIX A: ENCRYPTION KEY COMPONENTS ..................................................................................................................................................... A-1
Chassis: RB2G, HE-L
CAUTIONS AND WARNINGS
CAUTION
. To reduce the risk of electric shock, do not
WARNING!!
An isolation transformer should be used during any service to avoid possible shock hazard, in case of live chassis.
!
SAFETY-RELATED COMPONENT WARNING!!
shading and
!
mark on the schematic diagrams and the parts list. It is essential that these critical parts be replaced only
NOTE: Do not modify the original design without obtaining written permission from the manufacturer or you will void the
original parts and labor warranty.
ATTENTION!!
ainsi.
ALERTE!!
lors de tout dépannage.
!
ATTENTION AUX COMPOSANTS
RELATIFS A LA SECURITE!!
!
sur les schemas de principe, les vues explosees et
les listes de pieces sont d’une importance critique pour la securite du fonctionnement. Ne les remplacer que par des
composants Sony dont le numero de piece est indique dans le present manuel ou dans des supplements publies par
present manuel. Suivre ces procedures lors de chaque remplacement de composants critiques, ou lorsqu’un mauvais
fonctionnement suspecte.
Chassis: RB2G, HE-L
4
