Sony KLV-S26A10 / KLV-S32A10 / KLV-S40A10 Service Manual ▷ View online
KLV-S26A10/S32A10/S40A10
RM-GA003
– 21 –
Only snow and noise appear
on the screen
on the screen
• Check if the antenna is broken or bent.
• Check if the antenna has reached the end of its serviceable life (three to five
• Check if the antenna has reached the end of its serviceable life (three to five
years in normal use, one to two years at the seaside).
Picture (dotted lines or stripes)
noise
noise
• Keep the TV away from electrical noise sources such as cars, motorcycles,
or hair-dryers, etc.
• Make sure that the antenna is connected using the antenna cable (supplied).
• Keep the antenna cable away from other connecting cables.
• Do not use a 300-ohm twin lead cable as interference may occur.
• Adjust the antenna direction for the minimum interference. Contact a Sony
• Keep the antenna cable away from other connecting cables.
• Do not use a 300-ohm twin lead cable as interference may occur.
• Adjust the antenna direction for the minimum interference. Contact a Sony
dealer for advice.
Picture noise when viewing a
TV channel
TV channel
• Select “Manual Program” in the “Set Up” menu and adjust “Fine” to obtain
better picture reception (page 35).
• Select “NR” (Noise Reduction) in the “Picture” menu to reduce the noise in
the picture (page 25).
Stripe noise during playback/
recording of a VCR
recording of a VCR
• Video head interference. Keep your VCR away from the TV.
• Leave a space of 30 cm between your VCR and the TV to avoid noise.
• Avoid installing your VCR in front of the TV or beside the TV.
• Leave a space of 30 cm between your VCR and the TV to avoid noise.
• Avoid installing your VCR in front of the TV or beside the TV.
Good picture, but noisy sound
• The TV system setting is inappropriate.
If the sound of all the channels are noisy, perform “Auto Program” in the
“Set Up” menu to preset the channel again (page 32).
If the sound of some channels is noisy, select the channel, then perform
“Manual Program” in the “Set Up” menu, and select the appropriate TV
system (“TV System”) (page 34).
“Set Up” menu to preset the channel again (page 32).
If the sound of some channels is noisy, select the channel, then perform
“Manual Program” in the “Set Up” menu, and select the appropriate TV
system (“TV System”) (page 34).
Good picture, but no sound
• The volume level is too low. Press
2 + to increase the volume level.
• The sound is muted.
Press
%, or 2 + to cancel the muting.
Some tiny black points and/or
bright points on the screen
bright points on the screen
• The picture of a display unit is composed of pixels. Tiny black points and/or
bright points (pixels) on the screen do not indicate a malfunction.
No color on programs
• Select “Reset” in the “Picture” menu to return to the factory settings
(page 25).
No color
• The color intensity setting is too low. Select “Color” in the “Picture” menu
to adjust the color intensity (page 24).
• The antenna direction needs adjustment. Adjust the antenna direction.
Contact a Sony dealer for advice.
Lines moving across the TV
scree
scree
• There is interference from external sources, e.g., heavy machineries,
broadcast station nearby. Use the fine tuning (“Fine) function (page 35).
No color or irregular color
when viewing a signal from the
Y, P
when viewing a signal from the
Y, P
B
/C
B
, P
R
/C
R
jacks of
/
1, 2
• Check the connection of the Y, P
B
/C
B
, P
R
/C
R
jacks of
/
1, 2.
• Make sure that the Y, P
B
/C
B
, P
R
/C
R
jacks of
/
1, 2 are firmly seated
in their respective jacks.
Problem
C ause/Remedy
KLV-S26A10/S32A10/S40A10
RM-GA003
– 22 –
Sound
Problem
C ause/Remedy
No sound, but good picture
• Press
2 +/– or % (Mute).
• Check that “TV Speakers” is set to “On” in the “Features” menu (page 29).
Noisy sound
• See the “Picture (dotted lines or stripes) noise” cause/remedy on page 41.
“High” is selected in “Audio
Filter” when you use “Mono”.
Filter” when you use “Mono”.
• Set to “Low”.
Stereo broadcast sound
switches on and off, or is
distorted;
The sound switches between
stereo and monaural frequently
switches on and off, or is
distorted;
The sound switches between
stereo and monaural frequently
• The antenna connection is loose or the antenna cable is damaged. Check the
cable and connection on the TV, VCR, and on the wall (page 15).
• Adjust the antenna direction for the minimum interference. Contact a Sony
dealer for advice.
• Signal transmission is low. Try using a booster. Otherwise, use the fine
tuning (“Fine”) function (page 35).
No sound from the computer
• Check the connection of the audio cable (page 36).
General
Problem
C ause/Remedy
The TV turns off automatically
(the TV enters standby mode)
(the TV enters standby mode)
• Check if the Sleep function is activated (page 31).
• “Power Saving” is set to “On” when a PC is connected.
• “Power Saving” is set to “On” when a PC is connected.
Some input sources cannot be
selected
selected
• Select “AV Preset” in the “Set Up” menu and cancel “Skip” of the input
source (page 34).
The remote does not function
• Replace the batteries.
The wide screen mode
changes spontaneously when
“Auto Wide” is “On”
changes spontaneously when
“Auto Wide” is “On”
• During a transition between two programs, the TV detects the optimum
wide screen mode. During this period, an irregular wide screen mode may
appear.
appear.
• The wide mode is switched automatically according to the revised signal
with a Wide ID signal.
• The Auto Wide feature stops working temporarily when you press
, and
resumes after a while. To fix in the manually selected wide screen mode, set
“Auto Wide” to “Off” in the “Screen” menu (page 28).
“Auto Wide” to “Off” in the “Screen” menu (page 28).
Teletext display is incomplete
or garbled
or garbled
• Your area may not be able to receive Teletext. Teletext is displayed only in
the area that is covered by Teletext services.
• The antenna connection is loose or the antenna cable is damaged. Check the
cable and connection on the TV, VCR, and on the wall (page 15).
• The antenna direction needs adjustment. Adjust the antenna direction.
Contact a Sony dealer for advice.
• Signal transmission is too low. Try using a booster.
• Using the fine tuning (“Fine”) function may improve the picture (page 35).
• Using the fine tuning (“Fine”) function may improve the picture (page 35).
Cannot play shooting games
• Some shooting games which involve pointing a light beam at the TV screen
with an electronic gun or rifle cannot be used with your TV. For details, see
the instruction manual supplied with the video game software.
the instruction manual supplied with the video game software.
The TV cabinet creaks
• Changes in room temperature sometimes make the TV cabinet expand or
contract, causing a noise. This does not indicate a malfunction.
Static discharge is felt when
touching the TV cabinet
touching the TV cabinet
• This is the same static discharge that is felt when touching metal door
handles or car doors especially when the air is dry, for example in winter.
This does not indicate a malfunction.
This does not indicate a malfunction.
KLV-S26A10/S32A10/S40A10
RM-GA003
KLV-S26A10/S32A10/S40A10
RM-GA003
5-1. BLOCK DIAGRAMS
(1)
A2G and H2 Boards
SECTION 5
DIAGRAMS
– 23 –
– 24 –
DET OUT
SIF OUT
DE_EM OUT
APC
SDA
SCL
DTT33V
A5V
TU9500
TUNER
TUNER
Q9509
VIDEO
DET
6
IC9501
Q9513
1
3
4
1
2
S2
2
4
3
1
J9002
YC_DET_1
YIN1
CIN1
MODE1
VIN1
LIN1
RIN1
S
L
(MONO)
R
VIDEO IN
1
RIN2
LIN2
VIN2
MODE2
CIN2
YIN2
YC_DET_2
3
VIDEO IN
R
(MONO)
L
S
PR/CR
Y
J9154
R
L
PB/CB
1
BUFFER
Q9517
Q9524
Q9519
HD1_L
HD1_R
HD2_R
HD2_L
Q9523
Q9521
2
PB/CB
L
R
Y
PR/CR
Q9520
J9153
3
5
13
12
1
2
IC9502
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
Q2515
Q2512
Q2617
BUFFER
4
14
15
9,10,11
Q2506
Q2508
14
4
15
IC2506
13
12
3
5
1
2
BUFFER
Q2511
Q2618
Q2619
BUFFER
BUFFER
VSYNC
CB
CR
BUFFER
BUFFER
Q2505
Q2502
Q2504
BUFFER
BUFFER
Q2514
CB
CR
VSYNC
YS3
CB_OUT
CR_OUT
Y_OUT
15
22
23
21
IC2501
VIDEO SW
CVBS3
CVBS2
C2_IN
VS
HS
SDA
SCL
XTAL
41
44
43
4
9
14
13
38
X2500
16.2MHZ
SCL
SDA
1
2
4
IC2500
SW3
DAC4
SW1
SW0
DAC3
DAC1
SW2
SCL
SDA
DAC
IC8500
SDA
SCL
10
3
1
2
4
6
9
15
14
Q7810,7811
BUFFER
TV
V1
Y1
C1
S2_1
S-1
LV1
RV1
V2
Y2
C2
S2-2
LV2
RV2
LV5
RV5
LV3
RV3
V6
63
1
3
5
6
7
2
4
8
10
12
13
14
9
11
29
31
16
18
60
S-2
DAC
IC8503
BUFFER
BUFFER
Q9515
Q9510,9514
Q9511
BUFFER
Q9512
BUFFER
53
56
58
44
VOUT1
YOUT1
COUT1
VOUT2
LOUT1
ROUT1
LTV
RTV
Y4
C4
S2_4
V4
L4
R4
52
54
64
62
24
26
27
22
23
25
B.P.F
FL2500
Q2501,2503
21
20
43
45
33
29
24
18
17
15
13
11
9
7
5
37
41
SCL
SDA
POWER_AV
AC_OFF_DET
REC/RESERVE_LED
PA_DET(NC)
RESET_AUDIO
VS
HS
CR
CB
Y
YC_C
YC_Y
CVBS
BACKLIGHT
PWM-TRI
CN8530
6
5
4
DIMMER
BACKLIGHT
PANEL_DET
CN8603
SDA
SCL
2
1
4
3
R-
R+
L-
L+
CN7802
SPEAKER
L
R
SC1_IN_L
SC1_IN_R
SC2_OUT_L
SC2_OUT_R
ANA_IN1
SC5_IN_R
D_CTR_I/O
RESETQ
Q7801
21
28
27
BUFFER
Q7806
Q7802
BUFFER
56
57
34
33
67
60
77
5
6
3
2
LINN
RINN
VOL
LOUTP
LOUTN
ROUTP
ROUTN
20,21
16,17
40,41
44,45
IC7806
AUDIO POWER
IC7809
11
6
2
7
1
7
1
IC7808
6
5
2
3
25
24
5
6
3
2
IC7803
7
1
L
R
J7801
V
L
R
DC
DET
Q7823-Q7827
Q7835
Q7836
Q7822
Q7821
CTRL
MUTE
MUTE
SW
DAC4
DAC3
DAC2
Q7816,7817
Q7831,7832
Q7829,7830
Q7814
SW
MUTE
MUTE
CTRL
CTRL
MUTE
MUTE
SW
Q7808,7809
Q7833,7834
3
4
5
SW1
DAC1
DAC0
SW3
1
Q9508
Q7805
Q7804
Q7812
Q7813
D7889
D7850
D7890
(NC)
INV.
Q7818,7820,7837
A9V
REG7.5V
Q7819
Q8505,8506
INV.
6
7
INV.
Q8500,8504
12
11
9
6
8
1
2
4
R2
L2
V2SW(NC)
V2
SSW2
S2SW
C2
Y2
CN9855
CN9504
4
2
1
8
6
9
11
12
3
1
2
HP_DET
HP_R
HP_L
CN9851
CN7801
2
1
3
2
VIDEO IN
R
(MONO)
L
S
J9006
2
1
4
3
J9852
H2
INPUT
TERMINAL
HP L
HP R
HP DET
14,15
12
11
8
7
5
1,2
REG17.5V
PANEL5V
5V
A3.3V
UNREG10.5V
AU_9V
UNREG15V
CN8700
9
7
5
3
1
STBY5V
PANEL5V
A9V
D5V
REG17.5V
CN9405
9
7
6
4
3
2
D5V
A5V
A9V
PSW_PANEL
PSW_SW
PSW_DIG
CN8701
AU_15V
AU_9V
UNREG10.5V
A3.3V
5V
PANEL5V
REG17.5V
REG17.5V
D5V
A9V
PANEL5V
STBY5V
D5V
A5V
A9V
4
3
1
AC_OFF_DET
POWER_ON
STBY5V
CN8602
STBY5V
INV.
Q8615,8616
IC9500
AV SW
AV SW
A2G
AUDIO POWER
TUNER,AV SW
TO
PANEL
UNIT
A
TO
B BOARD
CN1001
(KLV-S23A10)
G1 BOARD
TO
B
G2 BOARD
(KLV-S26/S32A10)
CN6203
TO
G3 BOARD
(KLV-S40A10)
CN6201
CN8802
(KLV-S26/S32/S40A10)
GE2 BOARD
F
TO
GE1 BOARD
(KLV-S23A10)
CN1003
BG BOARD
TO
E
(KLV-S23A10)
GE1 BOARD
TO
D
GE2 BOARD
(KLV-S26/S32/S40A10)
CN8801
SCL
SDA
AUDIO PRO.
IC7804
10
9,10,11
SW2
Q8490
Q8403
Q8404
Q8404
PANEL5V
5V
A9V
AU_9V
Q8601
9
KLV-S26A10/S32A10/S40A10
RM-GA003
KLV-S26A10/S32A10/S40A10
RM-GA003
(2) BG,H1E and H3 Boards
– 25 –
– 26 –
17
21
29
30
13
9
5
7
24
19
23
26
32
33
35
37
39
41
43
45
REC/RESERVE
PDET/TRSUP
SCL_5V
SDA_5V
BACKLIGHT
PWM_TRI
AC_DEF_DET
POWER2
SMART_LINK
HDMI_RST
N RESET
RESET_AUDIO
VS
HS
CR
CB
Y
YC_C
YC_Y
CVBS
CN1001
9
2
10
8
7
6
5
4
3
VD3_3
STBY5V
SIRCS
BL_IN
REC/RESERVE
PWR/RESERVE
ON_TIMER
STBY_LED
PICTURE_OFF
CN5405
3
4
5
6
7
8
10
2
9
CN9901
STBY5V
VD3_3
VD3_3
STBY5V
Q9906
IR
RECEIVE
IC9902
SIRCS
IC9902
D9903,9906
D9912
H3
(SIRCS)
4
1
KEY2
KEY
CN1007
CN9802
1
3
S9801
|
S9808
(KEY)
H1E
CN8530
A2G BOARD
TO
A
SDA_5V
SCL_5V
CVBS_1
YC_Y
YC_C
CR_IN
CB_IN
Y_IN
1
3
2
IC7404
DAC2
DAC0
SW3
SW0
SW1
IC7402
DAC
5
7
6
10
2
1
Q7417
STBY
3.3V
Q1001
VD3_3
VD1_8
9
7
5
3
1
STBY5V
PANEL5V
A9V
D5V
REG17.5V
CN1003
A9V
D5V
SW2
SCL
SDA
INV.
Q7418
Q7420
INV.
9
3
15
14
SDA_5V
SCL_5V
Q7412,7422
STBY5V
SDA
SCL
WC
IC5400
5
6
7
PS5400
INV.
Q7410
C/H
VIN
G_IN
6
8
4
IC7401
HD
VD
15
13
HS_PC(NC)
VS_PC(NC)
IC7400
13
1
10
4
PC_R,G,B
PC_H
PC_V
PANEL5V
STBY5V
3.3V REG
IC1000
IC1001
2.5V REG
STBY2.5V
STBY3.3V
F5700
IC5700
3.3V REG
REG
IC5722
IC5721
REG
IC5720
REG
VA1_8
VL1_8
VDDMQ0
VDDMQT
VDQM
VDDMQ
VD3_3
VD1_8
1.8V REG
IC5701
Q5700
SDA
SCL
CLOCKGEN.
IC1007
4
X1001
32.768MHz
IC1005
NVM
SCL
SDA
WC
SDA_B
SCL_B
44
43
42
24
27
26
33
STBY3.3V
Q7422
41
CVBS
21
BUFFER
CVBS-1
Q1003
HS/SSC
VS
29
30
62
36
49
35
HS
VS
RESET_AUDIO
N RESET
HDMI_RST
5
6
7
1
3
2
31
IC1010
34
25
Q7415,7416
BUFFER
Q7419
IC1003
D
A
Q
A
8
19
IC SOCKET
IC1002
IC7403
RAM
A
D
D0-D7
A0-A18
PSEN
D0-D7
A0-A18
19
8
5
32
CVBS1
CVBS2
CVBS3
C
Y_G1
PB_B1
PR_P1
PR_P2
Y_G2
PB_B2
AIN_HS
AIN_VS
IC5000
VIDEO PROCESSOR
CVBS_1
YC_Y
YC_C
242
243
244
231
246
232
225
226
248
233
10
11
Y_IN
CB_IN
CR_IN
PC_R
PC_G
PC_B
PC_H
PC_V
32
12
4
4
7
DDR SDRAM
IC5500
DQ
A
DQM
DQS
MD 0-31
MA 0-11
DQM 0-3
DQS 0-3
CKE,CS#,RAS#
CAS#,WE#,BA 0-1
CAS#,WE#,BA 0-1
13
(AD0-AD7,ALE#,WR#,RD#)
45
65
64
50
87
TRIDENT_BUS
36
37
34
35
30
31
26
27
28
29
28
21
15
13
19
17
11
9
7
5
1
3
VCC
TCLK-
TCLK+
TD-
TD+
TC-
TC+
TB-
TB+
TA-
TA+
CN5000
PANEL5V
14
2
3
5
6
8
9
11
12
VD_CLK
VDO(7)
VDO(6)
VDO(5)
VDO(4)
VDO(3)
VDO(2)
VDO(1)
VDO(0)
CN5404
8
DT_C_DY0-7
DT_C_CLK
DIN
DIN
5
4
3
2
1
ALE_M
RST-I
RST-O
WR
RD
CN5402
RESET
IC1006
5,14
17
16
15
VIN
TXD
RXD
B_INT
CN1004
38
32
37
STBY5V
3
2
4
SDA5V
SCL5V
B_INT
CN1005
LEVEL
SHIFT
Q1011,1012
SDA_B
SCL_B
L5012-L5014
L5008,L5009
TO
PANEL
UNIT
JIG
TO
E
TO
A2G BOARD
CN9405
(VIDEO PROCESSOR)
BG
CN5400
PC
(RGB)
D7402
67
D9902-Q9905
D1000
5
6
7
3
2
3
A-D
RESET
TA+
TA-
TB+
TB-
TC+
TC-
TD+
TD-
TCLK+
TCLK-
(NC)
DAC4
DCC
Click on the first or last page to see other KLV-S26A10 / KLV-S32A10 / KLV-S40A10 service manuals if exist.