Sony KDF-42WE655 / KDF-50WE655 Service Manual ▷ View online
34
KDF-42WE655/50WE655
KDF-42WE655/50WE655
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.
G2
G1
U
B
RF antenna switch
Power supply
block
block
C (Part of Optics Unit Block Assembly
Cannot be ordered separately)
Cannot be ordered separately)
KD
H2
HM
H1
H3
Q Box
Assembly
Assembly
A
F
P
T
35
KDF-42WE655/50WE655
KDF-42WE655/50WE655
REFERENCE INFORMATION
RESISTOR
: RN METAL FILM
: RC SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW NONFLAMMABLE WIREWOUND
: RS NONFLAMMABLE METAL OXIDE
: RB NONFLAMMABLE CEMENT
:
: RN METAL FILM
: RC SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW NONFLAMMABLE WIREWOUND
: RS NONFLAMMABLE METAL OXIDE
: RB NONFLAMMABLE CEMENT
:
ADJUSTMENT RESISTOR
COIL
: LF-8L MICRO INDUCTOR
: LF-8L MICRO INDUCTOR
CAPACITOR
: TA TANTALUM
: PS STYROL
: PP POLYPROPYLENE
: PT MYLAR
: MPS METALIZED POLYESTER
: MPP METALIZED POLYPROPYLENE
: ALB BIPOLAR
: ALT HIGH TEMPERATURE
: ALR HIGH RIPPLE
: TA TANTALUM
: PS STYROL
: PP POLYPROPYLENE
: PT MYLAR
: MPS METALIZED POLYESTER
: MPP METALIZED POLYPROPYLENE
: ALB BIPOLAR
: ALT HIGH TEMPERATURE
: ALR HIGH RIPPLE
G
D
S
B1 E1
C2
B2 C1
E2
2
3
4
5
6
7
8
9
0
qa
qs
qf
qh
qj
qk
–
1
G
D
S
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
ql
B1 E1
E2
C1(B2)
C2
w;
B1
E2
C1
C2
ws
wd
(B2)
E1
(B2)
E1
E2
B1
C2
C1
wa
B1
E1
C2
B2
C1
E2
G
S
S
D
G
D
B1
E1
C2
B2
C1
E2
B1
E2
C2
C1(B2)
E2
B1
C1
C2
E1(B2)
C2
B1
C1
E2
E1(B2)
C2
B1
C1
E2
B2
E1
C2
Ver.1.5
Transistor
(FET)
(FET)
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Discrete semiconductot
(Chip semiconductors that are not actually used are included.)
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Source
Source
Anode
Anode
(NC)
(NC)
Cathode
Anode
Cathode
Common
Cathode
Cathode
Common
Cathode
Cathode
Common
Common
Common
Common
Cathode
Anode
Base
Emitter
Collector
Base
Emitter
Collector
Drain
Gate
Gate
Drain
Device
Printed symbol
Terminal name
Circuit
Terminal name of semiconductors in silk screen
printed circuit ( )
Anode
Anode
Anode
Cathode
Anode
Anode
Cathode
qd
Transistor
(FET)
(FET)
Transistor
(FET)
(FET)
qg
Emitter
Collector
Base
Transistor
Source
Gate
Drain
Cathode
Anode
Anode
Cathode
Anode
Anode
*
KDF-42WE655/50WE655
36
KDF-42WE655/50WE655
3-3. BLOCK DIAGRAMS
8KFGQ
59
%:#
3
;78
TUVIF
Sub
TUVIF
Sub
OOB
Video5
component
8;%
MS
Memory Stick
ATi
X226
;78
Video7
HDMI
Analog audio
65
)TCRJKEU
)7+
4)$;U;O*U[PE
TU
VSB
QAM
IF Pack
POD
Controller
POD
/Cable Card
PCMCIA
11$#%.-
65
#WFKQ
8;%
8;%
USB1.1
ЊMS
75$
2$QCTF
*/$QCTF
65
&KIKVCN
/QFWNG
;78
8;%
Video6
component
Video2
composite
Video1
composite
Video3
composite
Video4
composite
Video8
HDMI
SW
SW
HDMI Receiver
SiI9993
HDMI Receiver
SiI9993
HDMI Receiver
SiI9993
HDMI Receiver
SiI9993
HDMI micro
H8
HDMI micro
H8
7$QCTF
#$QCTF
D/A
SW
Air
CATV
ANT SW
8KFGQ
KRR
K
36$QCTF
3/$QCTF
LVDS
*$QCTF
IN5
IN1
IN2
IN10
IN4
IN6
IN7
IN8
IN9
IN9
IN5
IN1
IN2
IN10
IN4
IN6
IN7
IN8
IN9
IN3
SPEAKER
(L)
WOOFER
SPEAKER
(R)
Audio out
Control-S in/out
-&$QCTF
+
LCD
Panel
TV Service OSD
WE
Service OSD
GUI Graphics / Analog CC
LCD Engine
Service OSD
Service OSD
Analog
to PCM
PCM1802
S-master
D9788
S-master
D9788
Analog
to PCM
PCM1802
Audio
Amp
CXD9774
AudioAmp
CXD9774
CCPX
DRC-MF
/-MFV1
D20
97
/97
MID-XU
DCP
D9690
Analog
C-Dec.
A2103
ADC
TLV 5734
VDO IN
DRC IN
DTV IN
WE micro
M16C-VS
WE micro
M16C-VS
TV micro
Saiph
TV micro
Saiph
LCD-Engine
micro
MB90330
LCD-Engine
micro
MB90330
LVDS
LVDS
LCD
DRIVER
A7001
PAWN
3D-G
D
JEPICO
LCD
DRIVER
A7001
LCD
DRIVER
A7001
LCD
Panel
LCD
Panel
LVDS
LVDS
Audio
Amp
CXD9774
LVDS
LVDS
#WFKQ
59
%:#
3
Dolby
NJW1106
Tru Surro
AP
NJM1149
2DComb
D2073
%$QCTF
)$QCTF
)$QCTF
($QCTF
**
**
*/$QCTF
$$QCTF
P-SW / CH / Vol
LED
Temp. sens.
☛
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