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
3-5-7. PC Troubleshooting Flow
1) Flow Chart A
PC Problem
PC Problem
Check PC input source 
i
l
bl
NG
PC Signal Source Problem or 
cable problem
signal or cable.
OK
cable problem
Confirm PC input source 
format / resolution supported 
Change PC input source to TV 
supported format
NG
NG
Check PC 
jack 
“CN3001”(B*)
Change B* board
by TV?
OK
supported format 
Check LVDS 
harness 
connection between
Reconnect LVDS cable 
or change new LVDS 
bl
CN3001 (B )
NG
OK
(*)
Size
B* Board Type
G* Board Type
22”
BAQ GD1
connection between 
B* board.
cable
OK
Change B* board
33
26 / 32 “
BAQ 
G9 
40’’
BAQ G10
KLV- 22, 26, 32 CX350,  40 CX450
RM-GA022
Troubleshooting
3-5. Video Problem
3-5-7. PC Troubleshooting Flow
2) Flow Chart B
PC
NG picture
RP-signal
GP-signal
BP-signal
Check 
input 
signal
IC5000
OK
Check 
pull up 
Check 5V 
at 
C3042 H
OK
OK
OK
Confirm waveform at 
C3046 (face to IC5000) 
same as BP-signal. 
Confirm waveform at 
C3048 (face to IC5000) 
signal 
0.7Vp-p
at BP, GP 
& RP line
IC5000 
defect
NG
OK
5V at  
R3066 & 
R3067
C3042_H
SYNC & 
C3043_V
SYNC 
OK
OK
OK
NG
NG
same as GP-signal. 
Confirm waveform at 
C3050 (face to IC5000) 
same as RP-signal. 
Input CB pattern.
R3059 orR3060 or 
R3061 defect
Confirm RB3002 & 
C3046 (BP 
line)connection and 
value 
NG
Confirm RB3002 & 
C3050 (RP 
line)connection and 
value 
Confirm D3000, 
R3066 & R3067 
connection and 
value
Confirm RB3001 
connection and 
value
Confirm RB3002 & C3048 
(GP line)connection and value 
34
Parts Location : BAQ Board
KLV- 22, 26, 32 CX350,  40 CX450
RM-GA022
Troubleshooting
3-5. Video Problem
3-5-8. HDMI – Troubleshooting Flow
1) Flow Chart A
HDMI Problem
HDMI  Problem
Check HDMI input source 
signal or cable.
NG
HDMI Signal Source Problem or 
cable problem
OK
Confirm HDMI input source format 
/ resolution supported by TV?
OK
Change HDMI input source to TV 
supported format 
NG
NG
Check HDMI 
jack.
OK
Change B* board
Check LVDS 
harness 
connection between 
B* board.
Reconnect LVDS cable 
or change new LVDS 
cable
NG
OK
(*)
Size
B* Board Type
G* Board Type
22”
BAQ GD1
OK
Change B* board
35
26 / 32 “
BAQ 
G9 
40’’
BAQ G10
KLV- 22, 26, 32 CX350,  40 CX450
RM-GA022
Troubleshooting
3-5. Video Problem
3-5-8. HDMI – Troubleshooting Flow (HDMI 1/2 )
2) Flow Chart B
Check 5V on 
CN3601(pin18), 
HPD(CL3603) 
IC5000(pin79 & 
pin80) 
Check 
CN3601(pin1,3,4,6,7,
9,10,12)  = 3.3V?
HDMI1,
no picture
Suspect IC5000 
problem
OK
OK
Short circuit check on 
L3602 & L3603 
(Power off)
OK
Check input source, 
R3612, R3625, 
R3633, R3634, 
R3629 R3630
Check L3602, L3603 
connection 
NG
NG
Check L3602, L3603 
on all pins condition
NG
R3629, R3630 
connection
Ch
k 5V
Check 5V on 
CN3600(pin18), 
HPD(CL3600) 
IC5000(pin6 & 
pin6) 
Check 
CN3600(pin1,3,4,6,7,
9,10,12)  = 3.3V?
HDMI2,
no picture
Suspect IC5000 
problem
OK
OK
Short circuit check on 
L3600 & L3601 
(Power off)
OK
Check input source, 
R3602, R3626, 
R3631, R3632, 
R3627, R3628 
connection
Check L3600, L3601 
connection 
NG
NG
Check L3600, L3601 
on all pins condition
NG
36
connection
Parts Location : BAQ Board
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