Sony KLV-32NX500 / KLV-40NX500 Service Manual ▷ View online
KLV-32/40NX500(CH)
17
TROUBLE SHOOTING
2-4. AUDIO PROBLEM
Audio Problem
Only Speaker out?
Set correctly by menu
BAA Board
BAA Board
HDMI problem?
NO
YES
BAA Board
RF/Analog input problem?
BAA Board
Digital input problem?
UI of Audio
setting correct?
Volume, TV speaker
Check Speaker
or BAA Board
NO
YES
NO
YES
NO
YES
YES
NO
KLV-32/40NX500(CH)
18
SEC 3. DIAGRAMS
3-1. BLOCK DIAGRAM
Memory
DDR2
32Mx16bitsx2
PANEL
8bit
(FHD)
CCFL
Conventional INVERTER
Video 1
MON Out
Video 2
Component 1
/Video3
PC
PC/HDMI2
L/R
Comp1/Video3
L/R
Video2
L/R
Video1/Mon
L/R
Tuner
HDMI2
HDMI1
HDMI3
PC
EDID
HDMI1
EDID
HDMI2
EDID
HDMI3
EDID
Main
NVM
NVM
16KByte
NAND
FLASH
64MByte
Temp
Sensor
SIRCS
LED
JTAG
ECS
Hotel
UART
PANEL
8bit
FHD
CCFL
Conventional INVERTER
DDC1
DDC2
TMDS2
DDC0
TMDS0
Tu I2C
DCC
PC/HDMI3 L/R
RGB
HV
Comp1/Video3 L/R
Yuv1/CVBS3
Video2 L/R
CVBS2
Video1/Mon L/R
CVBS1/ Mon
SW
SW
In
L/R
CVBS In
CVBS Out
M_I2C
SIRCS
LED
PDD0~7
CVBS
Out x 2ch
IF_In
Control I/O
DDCB
TMDSB
TMDS1
HDMI4
HDMI4
EDID
TMDSA
USB1
D+/D-
SAW
(38Mz)
HP
PWM
LPF
NJM2779
AMP
Line out
STBY
UART0
HDMI
SW
LPF
PWM
DDCA
RGB
Ambient
sensor
Memory
DDR2
32Mx16bits
KLV-32/40NX500(CH)
19
DIAGRAMS
3-2. CIRCUIT BOARDS LOCATION
(1) KLV-32NX500
BAA Board
Speaker (L)
HLR Board
Speaker (R)
Inverter
G2LE Board
Switch Unit
T-CON
KLV-32/40NX500(CH)
20
DIAGRAMS
(2) KLV-40NX500
BAA Board
Speaker (L)
HLR Board
Speaker (R)
Inverter
G2HE Board
T-CON
Switch Unit
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