Sony KLV-26NX400 / KLV-32NX400 / KLV-32NX500 / KLV-40NX500 Service Manual ▷ View online
-28-
KLV-26,32 NX400(S/B), 32,40 NX500
RM-GA018
e) 7 times blinking
7 times Blinking
Set location is OK?
BAA Board
Set to another
location
Change BAA Board,
and Aging a few hours
Panel
Low
OK
NG
OK
3-1-4. STANDBY LED BLINK
-29-
KLV-26,32 NX400(S/B), 32,40 NX500
RM-GA018
Green & Amber blinking
Check TCON_ON
at FB5619
on the BAA Board
BAA Board
Change BAA
BAA Board
G* Board
Panel(T-con)
about 5V ： 22” Model
about 12V : ex. 22” Model
about 12V : ex. 22” Model
Low
High
NG
O
K
K
NG
OK
Harness check:
1)
1)
TCON to BAA board
2)
TCON to G* board
3)
LVDS cable
Harness
OK
NG
Check F6200 for
non-motionflow models
BAA Board
NG
OK
Check
TCON_VCC_12V
1) at JL6217
(non-motionflow models)
2) TCON_12V
At G*Board
(Motionflow models)
3-1-5. PANEL ID ERROR
-30-
KLV-26,32 NX400(S/B), 32,40 NX500
RM-GA018
Audio Problem
Main Speaker No
Sound
HP Out No
Sound
Mon Out No
Sound
*V1, V2, V3, D1
or
PC/HDMI analog
no sound?
Analog RF
no sound?
HDMI Audio
no sound?
USB Audio
no sound?
Refer “Main
Speaker No
Sound”
* V1 = Video1, V2 = Video2,
V3 = Video3, D1 = Component1
Refer “Mon Out
No Sound”
Refer “HP Out
No Sound”
Refer “Analog
Audio Input
No Sound”
Refer “Analog RF
No Sound”
Refer “HDMI
Audio
No Sound”
Refer “USB Audio
No Sound”
3-2-1. FLOWCHART A
3-2. Troubleshooting AUDIO Problem
-31-
KLV-26,32 NX400(S/B), 32,40 NX500
RM-GA018
OK
Audio UI Setting, ok?
Main Spk No
Sound
Spk Wire,
Connector, ok?
Spk Impedance
7~8ohm, ok?
CN6200 pin1, 12.6V ok?
F4001
Ok?
IC4002 pin1 -> 3.3V
IC4002 pin2 -> 1.8V
IC4002 pin2 -> 1.8V
Ok?
NG
Correct UI
Change
spk wire
Change
main spk
Change BAA Board
NG
NG
OK
OK
OK
OK
NG
NG
Refer “Standby
LED Blink”
L4004, L4005,
L4006, L4007 -> 6~7Vdc, ok?
Amp IC
NG
Amp IC /
Main IC
NG
A
A
NG
OK
OK
NG
3-2-2. FLOWCHART B (Main Speaker No Sound)
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