Sony KLV-26NX400 / KLV-32NX400 / KLV-32NX500 / KLV-40NX500 (serv.man2) Service Manual ▷ View online
-24-
KLV-26,32 NX400(S/B), 32,40 NX500
RM-GA018
No Power
Check AC voltage at
AC IN connector.
88 -132V for 110V models
176 – 264V for 220 – 240V
Models.
Harness
G* Board
Check
Between G* Board to
BAA Board Harness
BAA Board
NG
NG
OK
NG
OK
• See DDcon
Sheet
Replace
AC cord
AC cord
AC Source
Check Standby3.3V
at CN6200 pin 3
on BAA board
3.3V?
AC Cord
OK
NG
OK
Check REG12V
at CN6200 pin 10
on BAA board
Check Power_On
at CN6200 pin 5
on BAA board
3.3V?
NG
BAA Board
NG
OK
OK
3-1-2. NO POWER
-25-
KLV-26,32 NX400(S/B), 32,40 NX500
RM-GA018
START
Check JL6306 Voltage.
Is the voltage 3.3V?
Check JL6309 Voltage.
Is the voltage 1.1V?
Check JL6313 Voltage.
Is the voltage 1.8V?
Check JL6205 Voltage.
Is the voltage 1.25V?
Change
BAA Board
Check F6303
Check F6302 or F6305.
Check F6301.
Check +3.3V_Main
no
yes
no
yes
no
yes
no
yes
After checking, take note of
NG condition & change BAA board
NG condition & change BAA board
3-1-3. DDCON SHEET
-26-
KLV-26,32 NX400(S/B), 32,40 NX500
RM-GA018
a) 3 times blinking
3 times Blinking
Check JL6315
Voltage on the
Voltage on the
BAA Board.
5.25V?
Check F6304.
BAA board
Speaker
Check
Speaker Impedance
at SP Connector
G* Board
Check +12.5V_AU1
at F4001 on
the BAA Board
F4001, IC4002,etc
(BAA Board)
IC9000,etc
(BAA Board)
DC_ALERT1
NG
OK
AUDIO
AUDIO
Motionflow
NG
OK
NG
AZ1A: 3x Blinking For
Audio Error
Audio Error
Check +12.5V
at pin 1 of
CN6200 on
the BAA Board
NG
OK
OK
3-1-4. STANDBY LED BLINK
-27-
KLV-26,32 NX400(S/B), 32,40 NX500
RM-GA018
b) 4 times blinking
4 times Blinking
Check
PANEL_DET at
JL5601
on the BAA Board
BAA Board
PANEL
(Balancer)
Between
0.88V to 2.70V
0.88V to 2.70V
Check
harness to Balancer
Board
Replace G*/D* Board
Harness
G*/D* Board
OK
OK
NG
NG
3-1-4. STANDBY LED BLINK
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