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DOWNLOAD Sony KLV-32EX330 / KLV-32EX33A / KLV-32EX33B / KLV-40EX430 / KLV-40EX43A / KLV-40EX43B Service Manual ↓ Size: 4.53 MB | Pages: 83 in PDF or view online for FREE

Model
KLV-32EX330 KLV-32EX33A KLV-32EX33B KLV-40EX430 KLV-40EX43A KLV-40EX43B
Pages
83
Size
4.53 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-32ex330-klv-32ex33a-klv-32ex33b-klv-40ex430-kl.pdf
Date
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Sony KLV-32EX330 / KLV-32EX33A / KLV-32EX33B / KLV-40EX430 / KLV-40EX43A / KLV-40EX43B Service Manual ▷ View online

KLV- 32 EX330, EX33A, EX33B,  40 EX430,  EX43A, EX43B
RM-GA022
Troubleshooting
3-5-5.  Auto switching Component / Video 2 troubleshooting flow
Input Pr-
T k
t P
Auto switching NG
Input Pr
input at 
J3006 and 
check at 
R5033 = 
5V?
IC5000 defect
OK
OK
Take out Pr-
input at 
J3006 and 
check at 
R5033 = 0V?
Check at 
RB5004 
(pin3)  = 
5V?
OK
NG
NG
RB5004
NG
R3039 defect
J3006 defect
RB5004 
connection/ defect
37
KLV- 32 EX330, EX33A, EX33B,  40 EX430,  EX43A, EX43B
RM-GA022
Troubleshooting
3-5-6.  PC - Troubleshooting flow
PC display problem
G
Check PC input source 
signal or cable.
OK
NG
PC Signal Source Problem or 
cable problem
Confirm PC input source 
format / resolution supported 
by TV?
OK
Change PC input source to TV 
supported format 
NG
NG
Check PC jack ‘CN3001’ 
connection
OK
Replace jack
PC detail path 
troubleshooting
38
KLV- 32 EX330, EX33A, EX33B,  40 EX430,  EX43A, EX43B
RM-GA022
Troubleshooting
3-5-7.  PC detail path troubleshooting flow
PC NG/No picture
RP-
signal
GP-
signal
BP-
signal
Check input 
signal 0.7Vpp 
at C3046_BP 
line, 
C3048 GP line 
IC5000 
defect
OK
Check 
pull up 
5V at  
R3066 & 
Check 5V 
at 
C3042_HS
YNC & 
OK
OK
OK
Confirm waveform at C3046 
(face to IC5000) same as 
BP-signal. Confirm 
waveform at C3048 (face to 
IC5000) same as GP-signal. 
Confirm waveform at C3050
C3048_GP line 
& C3050_RP 
line
NG
R3066 & 
R3067
YNC & 
C3043_VS
YNC 
NG
NG
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 
39
KLV- 32 EX330, EX33A, EX33B,  40 EX430,  EX43A, EX43B
RM-GA022
Troubleshooting
3-6.  HDMI – Troubleshooting flow
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
OK
Check LVDS 
harness 
connection between 
BxM board.
Reconnect LVDS cable 
or change new LVDS 
cable
NG
OK
OK
Change board circuit
(*)
Size
B* Board Type
32”
BWM
40
32
BWM 
40’’
BFM 
Page of 83
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