DOWNLOAD Sony KLV-22BX350 / KLV-26BX350 / KLV-32BX350 / KLV-40BX450 / KLV-46BX450 Service Manual ↓ Size: 8.2 MB | Pages: 127 in PDF or view online for FREE

Model
KLV-22BX350 KLV-26BX350 KLV-32BX350 KLV-40BX450 KLV-46BX450
Pages
127
Size
8.2 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-22bx350-klv-26bx350-klv-32bx350-klv-40bx450-kl.pdf
Date
PREV: Sony KLV-22CX350 / KLV-32CX350 Service Manual

Sony KLV-22BX350 / KLV-26BX350 / KLV-32BX350 / KLV-40BX450 / KLV-46BX450 Service Manual ▷ View online

KLV-22, 26,32 BX350, 32BX35A, 40,46 BX450
RM-GA021
Troubleshooting
3-5. Video Problem
3) Ch
t C
HDMI
Checking Item
OK 
NG
1
Check L3602 & L3603
Pin 1 & Pin 2
No Short
Short
*Power Off Checking (BAQ)
3) Chart C
Pin 1 & Pin 2
Pin 2 & Pin 3
Pin 3 & Pin 4
Pin 5 & Pin 6
Pin 6 & Pin 7
No Short
No Short
No Short
No Short
No Short
Short
Short
Short
Short
Short
Pin 7 & Pin 8 
No Short
Short
2
Check L3600 & L3601
Pin 1 & Pin 2
Pin 2 & Pin 3
No Short
No Short
Short
Short
Pin 2 & Pin 3
Pin 3 & Pin 4
Pin 5 & Pin 6
Pin 6 & Pin 7
Pin 7 & Pin 8 
No Short
No Short
No Short
No Short
No Short
Short
Short
Short
Short
Short
37
KLV-22, 26,32 BX350, 32BX35A, 40,46 BX450
RM-GA021
Troubleshooting
3 6 IR T
bl
h
i
fl
3-6. IR Troubleshooting flow
IR NOT FUNCTIONING
A
Check Remote Control 
Function.
Change Remote Control
NG
A
Probe Pin7, CN5000 
on BAQ to check 
RC response 
when RC pressed
Check Wire Harness
And Connector 
Connectivity?
Change Wire Harness
And connect Properly
NG
NG
OK
Check 3.3V in Pin 1, 
CN5000 on
Connectivity?
Check 3.3V
in Pin1 of CN100
Change HQ Board
OK
NG
NG
OK
CN5000 on
BAQ Board
in Pin1 of CN100 
in HQ board
Change HQ Board
NG
A
OK
38
Change BAQ Board 
A
KLV-22, 26,32 BX350, 32BX35A, 40,46 BX450
RM-GA021
Troubleshooting
3
TACT SW T
bl
h
i
fl
3-7. TACT SW  Troubleshooting flow
SIDE KEY NOT FUNCTIONING
NG
Check Wire Harness
And Connector 
Connectivity?
Change Wire Harness
And connect Properly
Check 3.3V
in Pin2, CN1 (**)
OK
NG
Check 3.3V in Pin 9, 
CN5000 on
BAQ Board
*VOLTAGE  LEVEL FOR EACH PRESSED BUTTON
KEY
Voltage (average)
Voltage range
OK
Change Side Key Unit
NG
*Check 
Pi 3 V l
L
l
OK
BAQ Board
CH -
0.0000
0.0000 - 0.2635
CH +
0.4177
0.2745 - 0.5490
Vol
Change Side Key Unit
NG
Pin 3 Voltage Level 
in CN1 (**) 
OK
NG
Vol -
0.7174
0.5600 - 0.8565
Vol +
1.0645
0.8675 - 1.2627
Input
1.5794
1.2737 - 1.7459
M
39
Change BAQ Board
NG
Menu
2.0467
1.7569 - 2.251
No Input
2.4059
2.262 - 2.8000
** SWITCH UNIT
KLV-22, 26,32 BX350, 32BX35A, 40,46 BX450
RM-GA021
Troubleshooting
3 8 RTC
bl
h
i
fl
3-8. RTC troubleshooting flow
Time in Photo Frame does not memorize 
after AC off on.
[self diagnosis]  RTC_ ERR 
> 1 ?
RTC IC NG 
Yes
No
SW NG 
Change BAQ Board
40
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