Sony KDL-40NX800 / KDL-52NX800 / KDL-60NX800 (serv.man2) Service Manual ▷ View online
KDL-40/52/60NX800(WB)
33
TROUBLE SHOOTING
2) IR remote commander malfunction
TV isn’t controlled
by remote commander
Green LED light
at power indicator
OK
NG
Sensor is broken
HLR Board
BUHS Board
OK
NG
Mechanical
(ex. bezel)
Green LED blinks
at power indicator
when using commander
near sensor’s window
Check the Harness
between the BUHS Board
and the HLR Board
Exchange the Harness
Exchange the
HLR Board
Harness
OK
NG
OK
OK
NG
NG
KDL-40/52/60NX800(WB)
34
TROUBLE SHOOTING
3-8. NETWORK MALFUNCTION
1) Wired Network malfunction
Wired Network
on the TV
Connection result
Local Access
Ether net cable
Connection result
Cable Connection
BUHS Board
NG
OK
OK
NG
2) Internal Wireless Network malfunction
Wireless Network
on the TV
Is the radio field
Strength too weak
or even No signal?
or even No signal?
Access Point
BUHS Board
Error Message appear
when the Wireless
Network is selected?
Wireless Module, Harness
NO
YES
NO
YES
Connection result
Internet Access
Proxy setting
NG
KDL-40/52/60NX800(WB)
35
SEC 4. DIAGRAMS
4-1. BLOCK DIAGRAM
HDMI1
AV1
HDMI2
HDMI3
HDMI4
Tuner
USB
ETHER
SP OUT
HP OUT
LINE OUT
SPDIF OUT
PC
CI
AV2/
Component
Component
US model : no
D_IF
TS
TU_VIDEO_DET
ASW_IN5_L/R
TS
TS
CI_ADD/DAT
CI_CTRL
TS
CI_ADD/DAT
CI_CTRL
DiSEqC
TS
VSW_VIDEOMON_OUT_CV
VSW_SC1-V_CV
VSW_SC1-V_CV
HDMI
M_COMP
PC_RGB
M_SCART1
Video
SW
[CXA2241]
PC_IN_L/R
TITAN
ASW_IN0_L/R
ASW_SCART1_LR
ASW_SCART1_LR
CEC
[MIMAS]
SCL2/SDA2
SCL0/SDA0
M_MAIN_CVBS
HDMI_TMDS
ASW_IN3_L/R
HDMIA_TMDS
DCCA_I2C
DCCA_I2C
HDMID_TMDS
VSW_RF_Digital_CV
PHY
KSZ8041
SW / EQ
[Superman]
HDMI_SCL/SDA
SCL1/SDA1
MUXOUT_L/R
HP/LINEOUT_L/R
TVOUT_L/R
M_SPDIF_OUT
HDMIB_TMDS
DCCB_I2C
HDMIC_TMDS
DCCC_I2C
DCCD_I2C
ARC
Audio
SW
DAC
AMP
[Inlay]
D Amp
[TAS5707]
OneNAND
1Gb
DDR2
1Gb x2
EMMA3TH
DEBUG I/F
UART2_TXD/RXD
Power
UART0_TXD/RXD
UART1_TXD/RXD
LVDS VIDEO
Mimas
[MB91F313]
SPI
LVDS
EEP
Temp
Sensor
PANEL_SCL/SDA
RF_TXD/RXD
DEVICE_SCL/SDA
TV_TXD/RXD
MS
H Board
Tcon Board
WiFi
USB2.0_2
USB2.0_1
AEP only
AEP/GA/UC :
Component
J : D Terminal
Component
J : D Terminal
J/GA/UC :
Component
AEP : SCART
Component
AEP : SCART
AEP/GA/J : With
UC : Without
UC : Without
UC/GA/J : With
AEP : Without
AEP : Without
J : With
AEPUC/GA: Without
AEPUC/GA: Without
UC/GA/J : With
AEP : Without
AEP : Without
UC/GA/J : With
AEP : Without
AEP : Without
Luminance Sensor
SONY Logo
RF Remote
Eco Switch
ADC
[CS5343]
Analog Video
Analog Audio
Digital Video
Digital Audio
UART
I2C
QDL
TCON
DIMMER_CTRL
DIMMER_CTRL
TDR
Blind Touch Sensor
KEY_TXD/RXD
KDL-40/52/60NX800(WB)
36
DIAGRAMS
4-2. CIRCUIT BOARDS LOCATION
(1) KDL-40NX800
BUHS Board
Speaker (L)
HLR Board
Speaker (R)
Switch Unit
GE3 Board
T-CON
WIRELESS
LAN CARD
LAN CARD
KEY CONTROL
MODULE
Power Switch
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