Read Sony KDL-60W840B / KDL-60W850B / KDL-60W855B / KDL-60W857B / KDL-70W830B / KDL-70W840B / KDL-70W850B / KDL-70W855B / KDL-70W856B / KDL-70W857B Service Manual online
LCD DIGITAL COLOR TV
SERVICE MANUAL
9-883-558-51
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-60W840B
RM-YD102
US / Canada
KDL-60W850B
RM-YD102
US / Canada
KDL-60W850B
RM-YD102
Latin America / Mexico
KDL-60W855B
RM-YD099
Argentina
KDL-60W855B
RM-YD099
Brazil
KDL-60W855B
RM-YD099
Chile-Peru / Ecuador
KDL-60W857B
RM-YD099
Colombia
KDL-70W830B
RM-YD102
US / Canada
KDL-70W840B
RM-YD102
US / Canada
KDL-70W850B
RM-YD102
US / Canada
KDL-70W850B
RM-YD102
Latin America / Mexico
KDL-70W855B
RM-YD099
Argentina
KDL-70W855B
RM-YD099
Brazil
KDL-70W855B
RM-YD099
Chile-Peru / Ecuador
KDL-70W856B RMF-YD003/RM-YD099
Brazil
KDL-70W857B
RM-YD099
Colombia
RB2G
CHASSIS
Segment: HE-H
ORIGINAL MANUAL ISSUE DATE: 2/2015
Chassis: RB2G, HE-H
Chassis: RB2G, HE-H
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 .............................................................................................................................................................................................. 10
2.1-2 - No Power: DC / DC Converter Check ................................................................................................................................................... 11
2.1-3 - No Power: AYU2L Control ..................................................................................................................................................................... 13
2.1-4 - No Power: AYU2 / AYU2L Failure ......................................................................................................................................................... 16
2.1-5 - No Power: AYU2 / AYU2L Replacement ............................................................................................................................................... 17
2.2-1 - LED Blinking: 3x (DC Alert & Communication Error) ............................................................................................................................ 18
2.2-2 - LED Blinking: 3x (DC Alert & Communication Error) ............................................................................................................................ 19
2.2-1 - LED Blinking: 3x (DC Alert & Communication Error) ............................................................................................................................ 18
2.2-2 - LED Blinking: 3x (DC Alert & Communication Error) ............................................................................................................................ 19
2.2-3 - LED Blinking: 3x (Audio Error) - BAX-L Board ...................................................................................................................................... 23
2.2-4 - LED Blinking: 4x (LED Voltage Error) ................................................................................................................................................... 26
2.2-5 - LED Blinking: 5x (T-Con Error) ............................................................................................................................................................. 27
2.2-6 - LED Blinking: 6x (Backlight Error) ........................................................................................................................................................ 28
2.2-7 - LED Blinking: 7x (Temperature Error) ................................................................................................................................................... 29
2.3 - No Sound ................................................................................................................................................................................................. 31
2.3-1 - No Sound: Audio (For All Model) TUS, BAX-L Board Only ................................................................................................................... 32
2.3-2 - No Sound: Main Board Power Off Checking (For Main Speaker L & R) For BAX-L Board Only .......................................................... 35
2.3-3 - Main Board Power On Checking (For Main Speaker L&R) for BAX-L Board Only ............................................................................... 38
2.3-3 - Main Board Power On Checking (For Main Speaker L&R) for BAX-L Board Only ............................................................................... 39
2.3-4 - No Sound: HP / Lineout Only for BAX-L Board ..................................................................................................................................... 45
2.3-5 - No Sound: Tuner ................................................................................................................................................................................... 50
2.3-7 - No Sound: MHL .................................................................................................................................................................................... 52
2.4 - RB2 Analog Signal Path ........................................................................................................................................................................... 54
2.5 - No Picture: BAX + TUS ............................................................................................................................................................................ 55
2.5-1 - No Picture: HDMI .................................................................................................................................................................................. 56
2.5-2 - No Picture: HDMI (BAX-L & BAX Board) .............................................................................................................................................. 58
2.5-3 - No Picture: HDMI (BAX-L & BAX Board) .............................................................................................................................................. 61
2.5-4 - No Picture: LD Models Only ................................................................................................................................................................. 63
2.5-5 - No Picture: All Model ............................................................................................................................................................................ 64
2.6-1 - Input Skip Function: BAX-L ................................................................................................................................................................... 65
2.7-1 - Side Buttons Malfunction ...................................................................................................................................................................... 66
2.8-1 - Light Sensor Error ................................................................................................................................................................................. 66
2.9-1 - IR Remote Commander Malfunction .................................................................................................................................................... 66
2.10-1 - Network Malfunction: Ethernet (Wired) ............................................................................................................................................... 67
2.11-1 - Active 3D Glasses Malfunction ........................................................................................................................................................... 69
2.12-1 - Wireless Network Malfunction ............................................................................................................................................................ 70
2.13-1 - Bluetooth Malfunction ......................................................................................................................................................................... 71
Chassis: RB2G, HE-H
3
SECTION 3: POWER BOARD ......................................................................................................................................................................................... 72
3.1 - Power Board: BAX-L (Side A) .................................................................................................................................................................. 72
3.2 - Power Board: BAX-L (Side B) .................................................................................................................................................................. 73
3.3 - Power Board: TUS Mounted Board (Side A) ............................................................................................................................................ 74
3.4 - Power Board: HJM Mounted Board (Side A) ........................................................................................................................................... 75
3.5 - Power Board: HJM Mounted Board (Side B) ........................................................................................................................................... 76
3.6 - A Board Schematic ................................................................................................................................................................................... 77
3.7 - Tuner Board Schematic ........................................................................................................................................................................... 94
3.6 - A Board Schematic ................................................................................................................................................................................... 77
3.7 - Tuner Board Schematic ........................................................................................................................................................................... 94
SECTION 4: ELECTRICAL PART LIST ........................................................................................................................................................................ 102
APPENDIX A: ENCRYPTION KEY COMPONENTS ..................................................................................................................................................... A-1
Chassis: RB2G, HE-H
Chassis: RB2G, HE-H
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-H
4
