Sony KDL-37BX401 Service Manual ▷ View online
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SERVICE MANUAL
AZ1-EK(5-2’)
CHASSIS
MODEL
DEST
RM-ED039
KDL-37BX401
AEP
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TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
. GENERAL
Caution ................................................................
3
Specifications ......................................................
4
Connectors ..........................................................
6
Self Diagnosis .....................................................
7
. DISASSEMBLY
2-1. Rear Cover Removal .............................................
8
2-2. Stand Assy Removal .............................................
8
2-3. Speaker Bracket Removal ......................................
8
2-4. Loudspeaker Removal ...........................................
8
2-5. Under Cover Removal ..........................................
9
2-6. Static Converter Board Removal ..........................
9
2-7. A Board Removal ...................................................
9
2-8. H2 Board Removal ...............................................
9
3. SERVICE MENUS
3-1. How to enter the Service Mode .......................... 10
3-2. Service Menu Structure ...................................... 10
3-2-1. Sound Adjust Menu ...................................... 10
3-2-2. Wide Band Tuning Menu .............................. 10
3-2-3. Self Check Menu ......................................... 11
3-2-4. Status Information Menu ............................. 11
3-2-5. Demo Special Menu .................................... 11
3-3. How to enter the Factory Mode .......................... 12
3-3-1. Color Temp Menu ........................................ 12
4. DIAGRAMS
4-1. Block Diagram ................................................... 13
4-2. Circuit Board Location ....................................... 14
5. EXPLODED VIEWS
5-1. Chassis ................................................................ 15
5-2. Bezel Assy & Stand Assy .................................... 16
5-3. Rear Cover Assy & Power Supply Cord ............. 17
6. PARTS LIST
............................................................... . 18
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY SHADING AND MARKED
ON
THE EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL
FOR SAFE OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN
THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
FOR SAFE OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN
THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
WARNING !!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING ANY
SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD DUE TO
LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS DIRECTLY
CONNECTED TO THE POWER LINE.
SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD DUE TO
LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS DIRECTLY
CONNECTED TO THE POWER LINE.
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SECTION GENERAL
The circuit boards used in these models have been processed using
Lead Free Solder. The boards are identified by the LF logo located
close to the board designation e.g. H1 etc [ see example ]. The
servicing of these boards requires special precautions to be taken as
outlined below.
Lead Free Solder. The boards are identified by the LF logo located
close to the board designation e.g. H1 etc [ see example ]. The
servicing of these boards requires special precautions to be taken as
outlined below.
Lead Free Soldered Boards
example
Lead Free Solder material must be used to comply with environmental requirements of new solder joints. Lead Free Solder is available
under the following part numbers :
under the following part numbers :
Due to the higher melting point of Lead Free Solder the soldering iron tip temperature needs to be set to 370 degrees centigrade. This
requires soldering equipment capable of accurate temperature control coupled with a good heat recovery characteristics.
requires soldering equipment capable of accurate temperature control coupled with a good heat recovery characteristics.
For more information on the use of Lead Free Solder, please refer to http://www.sony-training.com
Partnumber
Diameter
Remarks
7-640-005-19
0.3mm
0.25Kg
7-640-005-20
0.4mm
0.50Kg
7-640-005-21
0.5mm
0.50Kg
7-640-005-22
0.6mm
0.25Kg
7-640-005-23
0.8mm
1.00Kg
7-640-005-24
1.0mm
1.00Kg
7-640-005-25
1.2mm
1.00Kg
7-640-005-26
1.6mm
1.00Kg
CAUTION
SECTION GENERAL
How to replace the fuse.
Open the fuse compartment with
a screwdriver blade and replace
the fuse.
Open the fuse compartment with
a screwdriver blade and replace
the fuse.
FUSE
WARNING (UK Models only)
The flexible mains lead is supplied connected to a B.S. 1363 fused
plug having a fuse of the correct rating for the set. Should the fuse
need to be replaced, use a fuse of the same rating approved by ASTA
to BS 1362, ie one that carries the
plug having a fuse of the correct rating for the set. Should the fuse
need to be replaced, use a fuse of the same rating approved by ASTA
to BS 1362, ie one that carries the
need to be replaced, use a fuse of the same rating approved by ASTA
, ie one that carries the
ASA
T
mark.
mark.
IF THE PLUG SUPPLIED WITH THIS APPLIANCE IS NOT SUITABLE
FOR THE OUTLET SOCKETS IN YOUR HOME, IT SHOULD BE CUT
OFF AND AN APPROPRIATE PLUG FITTED. THE PLUG SEVERED
FROM THE MAINS LEAD MUST BE DESTROYED AS A PLUG WITH
FOR THE OUTLET SOCKETS IN YOUR HOME, IT SHOULD BE CUT
OFF AND AN APPROPRIATE PLUG FITTED. THE PLUG SEVERED
FROM THE MAINS LEAD MUST BE DESTROYED AS A PLUG WITH
BARED WIRES IS DANGEROUS IF ENGAGED IN A LIVE SOCKET.
When an alternative type of plug is used, it should be fitted with the
correct rating fuse, otherwise the circuit should be protected by the
same rating fuse at the distribution board.
correct rating fuse, otherwise the circuit should be protected by the
same rating fuse at the distribution board.
UK PLUG WARNING
LCD PANEL CAUTION
Whilst working on this product, it is not recommended to lay the TV set face down when powered up, as this can result in panel problems.
If it is necessary to power up the TV set when face down, the time should be minimised as much as possible.
If it is necessary to power up the TV set when face down, the time should be minimised as much as possible.
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SPECIFICATIONS
Model name
KDL-37BX401
KDL-32BX301
System
Panel System
LCD (Liquid Crystal Display) Panel
TV System
Depending on your country/region selection
Analogue: B/G/H, D/K, L, I
Digital: DVB-T, DVB-C
Analogue: B/G/H, D/K, L, I
Digital: DVB-T, DVB-C
Colour/Video System
Analogue: PAL, PAL60 (only video input), SECAM, NTSC3.58, NTSC4.43 (only video input)
Digital: MPEG-2 MP@ML/HL, H.264/MPEG-4 AVC [email protected], [email protected]
Digital: MPEG-2 MP@ML/HL, H.264/MPEG-4 AVC [email protected], [email protected]
Channel Coverage
Analogue: 46.25 - 855.25 MHz
Digital: VHF/UHF
Digital: VHF/UHF
Sound Output
10 W + 10 W (RMS)
Input/Output jacks
Aerial
75 ohm external terminal for VHF/UHF
/
AV1
21-pin scart connector including audio/video input, RGB input, S-Video input, and TV audio/video output.
COMPONENT IN
Supported formats: 1080p, 1080i, 720p, 576p, 576i, 480p, 480i
Y: 1 Vp-p, 75 ohms, 0.3V negative sync/P
Y: 1 Vp-p, 75 ohms, 0.3V negative sync/P
B
/C
B
: 0.7 Vp-p, 75 ohms/
P
R
/C
R
: 0.7 Vp-p, 75 ohms
COMPONENT IN
Audio input (phono jacks)
HDMI IN 1, 2, 3, 4
Video: 1080p, 1080/24p, 1080i, 720p, 576p, 576i, 480p, 480i
Audio: Two channel linear PCM
32, 44.1 and 48 kHz, 16, 20 and 24 bits, Dolby Digital
PC (See page 5)
Analogue audio (minijack) (HDMI 1 only)
Audio: Two channel linear PCM
32, 44.1 and 48 kHz, 16, 20 and 24 bits, Dolby Digital
PC (See page 5)
Analogue audio (minijack) (HDMI 1 only)
AV2
Video input (phono jack)
AV2
Audio input (phono jacks)
DIGITAL AUDIO
OUT (OPTICAL)
Digital optical jack (Two channel linear PCM, Dolby Digital)
Audio output (Left/Right) (phono jacks)
PC IN
PC Input (15 D-sub) (See page 5)
G: 0.7 Vp-p, 75 ohms, non Sync on Green/B: 0.7 Vp-p, 75 ohms/
R: 0.7 Vp-p, 75 ohms, H/V Sync: TTL level
G: 0.7 Vp-p, 75 ohms, non Sync on Green/B: 0.7 Vp-p, 75 ohms/
R: 0.7 Vp-p, 75 ohms, H/V Sync: TTL level
PC audio input (minijack)
i
Headphones jack
USB port
CAM (Conditional Access Module) slot
*
1
Specified standby power is reached after the TV finishes necessary internal processes.
*
2
4 hours a day and 365 days a year.
Design and specifications are subject to change without notice.
Power and others
Power Requirements
220–240 V AC, 50 Hz
Screen Size (measured
diagonally)
diagonally)
s
e
h
c
n
i
2
3
/
m
c
0
8
.
x
o
r
p
p
A
s
e
h
c
n
i
7
3
/
m
c
4
9
.
x
o
r
p
p
A
Display Resolution
1,920 dots (horizontal) × 1,080 lines (vertical) (KDL-37BX401)
1,366 dots (horizontal) × 768 lines (vertical) (KDL-32BX301)
1,366 dots (horizontal) × 768 lines (vertical) (KDL-32BX301)
Power
consumption
consumption
in “Home”/
“Standard”
mode
“Standard”
mode
W
0
.
3
8
W
6
1
1
in “Shop”/
“Vivid”
mode
“Vivid”
mode
W
9
0
1
W
5
5
1
Standby Power
Consumption*
Consumption*
1
0.22 W
Off mode Power
Consumption
Consumption
0.21 W
Average anual energy
consumption*
consumption*
2
h
W
k
1
2
1
h
W
k
9
6
1
Dimensions
(w × h × d)
(Approx.)
(w × h × d)
(Approx.)
(with stand)
m
c
0
.
2
2
×
1
.
3
5
×
8
.
9
7
m
c
0
.
5
2
×
8
.
9
5
×
9
.
1
9
(without
stand)
stand)
m
c
6
.
9
×
6
.
9
4
×
8
.
9
7
m
c
7
.
9
×
3
.
6
5
×
9
.
1
9
Mass
(Approx.)
(Approx.)
(with stand)
g
k
5
.
1
1
g
k
3
.
7
1
(without
stand)
stand)
g
k
0
.
0
1
g
k
3
.
5
1
Model name
KDL-37BX401
KDL-32BX301