DOWNLOAD Sony KLV-22CX350 / KLV-32CX350 Service Manual ↓ Size: 7.01 MB | Pages: 109 in PDF or view online for FREE

Model
KLV-22CX350 KLV-32CX350
Pages
109
Size
7.01 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-22cx350-klv-32cx350.pdf
Date
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KLV- 22, 26, 32 CX350,  40 CX450
RM-GA022
Troubleshooting
3-5. Video Problem
HDMI
Ch ki
It
OK
NG
*Power Off Checking (BAQ)
3) Chart C
HDMI
Checking Item
OK 
NG
1
Check L3602 & L3603
Pin 1 & Pin 2
Pin 2 & Pin 3
Pi 3 & Pi 4
No Short
No Short
N Sh
Short
Short
Sh
Pin 3 & Pin 4
Pin 5 & Pin 6
Pin 6 & Pin 7
Pin 7 & Pin 8 
No Short
No Short
No Short
No Short
Short
Short
Short
Short
2
Check L3600 & L3601
Pin 1 & Pin 2
Pin 2 & Pin 3
Pin 3 & Pin 4
No Short
No Short
No Short
Short
Short
Short
Pin 3 & Pin 4
Pin 5 & Pin 6
Pin 6 & Pin 7
Pin 7 & Pin 8 
No Short
No Short
No Short
No Short
Short
Short
Short
Short
37
KLV- 22, 26, 32 CX350,  40 CX450
RM-GA022
Troubleshooting
3-6. IR Troubleshooting Flow
IR NOT FUNCTIONING
IR NOT FUNCTIONING
Check Remote Control 
Function
Change Remote Control
NG
A
Probe Pin7, CN5000 
on BAQ to check 
Function.
OK
RC response 
when RC pressed
Check Wire Harness
And Connector 
Connectivity?
Change Wire Harness
And connect Properly
OK
NG
NG
Check 3.3V in Pin 1, 
CN5000 on
BAQ Board
Check 3.3V
in Pin1 of CN100 
in HQ board
Change HQ Board
NG
OK
Change BAQ Board 
NG
A
OK
38
g
KLV- 22, 26, 32 CX350,  40 CX450
RM-GA022
Troubleshooting
3-7. TACT SW  Troubleshooting Flow
SIDE KEY NOT FUNCTIONING
NG
Check Wire Harness
And Connector
Change Wire Harness
OK
And Connector 
Connectivity?
And connect Properly
*VOLTAGE LEVEL FOR EACH PRESSED BUTTON
Check 3.3V
in Pin2, CN1(**)
NG
O
Check 3.3V in Pin 9, 
CN5000 on
BAQ Board
*VOLTAGE  LEVEL FOR EACH PRESSED BUTTON
KEY
Voltage 
(average)
Voltage range
CH -
0 0000
0 0000 - 0 2635
OK
Change Side Key Unit
NG
*Check 
Pin3 Voltage Level 
in CN1 (**)
OK
CH 
0.0000
0.0000 - 0.2635
CH +
0.4177
0.2745 - 0.5490
Vol -
0.7174
0.5600 - 0.8565
C
( )
OK
Change BAQ Board
NG
Vol +
1.0645
0.8675 - 1.2627
Input
1.5794
1.2737 - 1.7459
Menu
2.0467
1.7569 - 2.251
39
Change BAQ Board
No Input
2.4059
2.262 - 2.8000
** SWITCH UNIT
KLV- 22, 26, 32 CX350,  40 CX450
RM-GA022
Troubleshooting
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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