Sony KDL-32LL150 Service Manual ▷ View online
17
KDL-32LL150
KDL-32LL150
1-8. INVERTER
BOARD
REMOVAL
1 Remove 6 screws from cover
2 Slide out from Lamp Socket
1
2
Cover
Inverter Board
LCD Panel
2
DO NOT
REMOVE
BACKLIGHT
SCREWS
REMOVE
BACKLIGHT
SCREWS
Plastic Strip
holding
Lamp
holding
Lamp
Socket
Inverter
REMOVE SCREWS
SECURING SHIELD
SECURING SHIELD
REMOVE
CONNECTOR AND
PULL BOARD TO
THE RIGHT
CONNECTOR AND
PULL BOARD TO
THE RIGHT
INVERTER BOARD REMOVAL
Only remove the screws securing the inverter
cover which may be metal or plastic. The
remaining plastic strip contains sockets for the
fluorescent backlights and should never be
loosened. The backlights will pop out of the
sockets and/or break the backlight requiring a
LCD panel replacement.
BACKLIGHT
END VIEW
SOCKET
REMOVE SCREWS
SECURING SHIELD
SECURING SHIELD
18
KDL-32LL150
KDL-32LL150
WIRE DRESSING
OVERALL VIEW
INV
POWER UNIT
(G2BE)
(G2BE)
T-CON
H2
A
4001
4001
4001
CN9102
CN2000
CN601
CN602
CN101
CN301
SWITCH UNIT
SP
SP
19
KDL-32LL150
KDL-32LL150
SECTION 2: SERVICE ADJUSTMENTS
2-1. RESETTING TO FACTORY DEFAULTS
Use the following instructions to restore the User Controls and
Channel Memory settings to the preset factory conditions.
Channel Memory settings to the preset factory conditions.
1. While holding down the on the Remote Commander, press the
POWER button on the right side of the set.
The set restarts and displays the initial setup screen. This may take
several minutes.
several minutes.
20
KDL-32LL150
KDL-32LL150
SECTION 3: DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
3-2. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS INFORMATION
All capacitors are in μF unless otherwise noted. pF : μμF 50WV or
less are not indicated except for electrolytics and tantalums.
less are not indicated except for electrolytics and tantalums.
All electrolytics are in 50V unless otherwise specifi ed.
All resistors are in ohms. k
Ω=1000Ω, MΩ=1000kΩ
Indication of resistance, which does not have one for rating
electrical power, is as follows:
electrical power, is as follows:
Pitch : 5mm
Rating
electrical
power
:
1
/
4
W
1
/
4
W in resistance,
1
/
10
W and
1
/
16
W in chip resistance.
: nonfl ammable resistor
: fusible resistor
: internal component
: panel designation and adjustment for repair
: earth ground
: earth-chassis
All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
unless otherwise noted.
Readings are taken with a color-bar signal input.
Readings are taken with a 10M
Ω digital multimeter.
Voltages are DC with respect to ground unless otherwise noted.
Voltage variations may be noted due to normal production
tolerances.
tolerances.
All voltages are in V.
S : Measurement impossibility.
: B+line.
: B-line. (Actual measured value may be different).
: signal path. (RF)
Circled numbers are waveform references.
The components identifi ed by shading and
!
symbol are critical for safety. Replace
only with part number specifi ed.
The symbol
indicates a fast operating fuse and is displayed on the component
side of the board. Replace only with fuse of the same rating as marked.
Les composants identifi es per un trame et une marque
!
sont critiques pour la
securite. Ne les remplacer que par une piece portant le numero specifi e.
Le symbole
indique une fusible a action rapide. Doit etre remplace par une
fusible de meme yaleur, comme maque.
NOTE: The components identifi ed by a red outline and a mark contain confi dential
information. Specifi c instructions must be adhered to whenever these components
are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
information. Specifi c instructions must be adhered to whenever these components
are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
G2BE
Switch Unit
(H1)
(H1)
A
H2
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