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Block Diagram (8); Circuit Boards Location; Schematic Diagrams And Printed Wiring Boards - Sony KDF-E42A12U Service Manual

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5-1. BLOCK DIAGRAMS (8)
CN4302
1
B_PC
Q4301
3
G_PC
5
R_PC
Q4302
7
V_PC
9
H_PC
Q4303
PC Input EDID NVM
CN4305
2
L
TO
AG BOARD
4
R
CN2003
CN4301
3
TO
4
JB BOARD
CN9513
5
CN4303
2
C
4
Y/CVBS
TO
????
L
6
8
R
H3 (
T1 (
)
Lamp Door Switch
CN4306
LAMP COV
3
TO
S4320
???
CN4300
R_PC
G_PC
B_PC
PC IN
H_PC
V_PC
IC4300
5
7
6
8
Q4300
J4301
MINI JACK
J4302
HP_R
HP_L
AUTIO L & R
HP_DET
CN4304
3
S-VIDEO
4
J4300
V
L
CVBS
R
)
PC In, Mini Jack, S-Video, CVBS, Audio L & R
T2 (
)
Lamp Position Switch
LAMP COV
S4340
5-2. CIRCUIT BOARD LOCATION
VM
CVM Board
H
A
D1
H2
H1
A Board
T1
5-3. SCHEMATIC DIAGRAMS AND
PRINTED WIRING BOARDS
Note :
All capacitors are in µF unless otherwise noted.
pF : µµF 50WV or less are not indicated except for
electrolytic types.
Indication of resistance, which does not have one for
rating electrical power, is as follows.
Pitch : 5mm
Electrical power rating : 1/4W
Chip resistors are 1/10W
All resistors are in ohms.
k = 1000 ohms, M = 1000,000 ohms
: nonflammable resistor.
: fusible resistor.
: internal component.
: panel designation or adjustment for repair.
All variable and adjustable resistors have
characteristic curve B, unless otherwise noted.
All voltages are in Volts.
Readings are taken with a 10Mohm digital mutimeter.
Readings are taken with a color bar input signal.
Voltage variations may be noted due to normal production
tolerences.
: B + bus.
: B - bus.
: RF signal path.
: earth - ground.
: earth - chassis.
CN4340
3
TO
???
- 37 -
Reference Information
RESISTOR
RN
RC
C
FPRD
H3
C
FUSE
N
RS
N
RB
P
RW
J
S1 Board
AG
A2
COIL
LF-8L
CAPACITOR
TA
A1
PS
JB
D2
A
PP
C
D
PT
T2
MPS
MPP
ALB
ALT
ALR
Note :
The components identified by shading
and marked
Replace only with the part numbers
specified in the parts list.
Note :
Les composants identifiés par une trame et
par une marque
critique pour la sécurité. Ne les remplacer
que par des pièces de numéro spécifié.
specified.
: METAL FILM
: SOLID
: NON FLAMMABLE CARBON
: NON FLAMMABLE FUSIBLE
: NON FLAMMABLE METAL OXIDE
: NON FLAMMABLE CEMENT
: NON FLAMMABLE WIREWOUND
: ADJUSTMENT RESISTOR
: MICRO INDUCTOR
: TANTALUM
: STYROL
: POLYPROPYLENE
: MYLAR
: METALIZED POLYESTER
: METALIZED POLYPROPYLENE
: BIPOLAR
: HIGH TEMPERATURE
: HIGH RIPPLE
are critical for safety.
sont d'une importance

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