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Frame Schematic Diagrams; Printed Wiring Boards And Schematic Diagrams - Sony KF-50SX100K Service Manual

Sony kf-50sx100 lcd projection tv service manual.
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4-2. FRAME SCHEMATIC DIAGRAMS

1
2
3
4
5
6
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
– 67 –
7
8
9
10
11
12
13
– 68 –
14
15
16
17
18
19
– 69 –
20
21
22
4-3. CIRCUIT BOARDS LOCATION
S
BB
H4
H1
T
J
N
A
M
Power block
H2
G
4-4. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
Note:
• Capacitors without voltage indication are all 50V.
• All resistors are in ohms.
kΩ=1000Ω, MΩ=1000kΩ
• Indication of resistance, which dose not have one for rating
electrical power, is as follows.
Pitch : 5mm
1
Rating electrical power :
/
W
4
: nonflammable resistor.
: fusible resistor.
: internal component.
: panel designation and adjustment for repair.
• All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
: earth-chassis.
• When replacing the part in below table, be sure to perform the
related adjustment.
• Readings are taken with a color-bar signal input.
No mark: PAL
<
>: SECAM
(
): NTSC 3.58
• Readings are taken with a 10MΩ digital multimeter.
• Voltages are dc with respect to ground unless otherwise noted.
• Voltage variations may be noted due to normal production
tolerances.
• All voltages are in V.
* : Measurement impossibillity.
: B+ line
: B– line
(Actual measured value may be different)
: signal path
• Circled numbers are waveform references.
Reference information
RESISTOR
: 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
CAPACITOR : TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
Note : The components identified by shading
and mark 0 are circuit for safety.
Replace only with part number specified.
Terminal name of semiconductors in silk screen
printed circuit (
)
Device
Printed symbol
Terminal name
Circuit
Collector
1
Transistor
Base
Emitter
Collector
2
Transistor
Base
Emitter
3
Cathode
Diode
Anode
Cathode
4
Diode
Anode
(NC)
Cathode
5
Diode
Anode
(NC)
Common
6
Diode
Anode
Cathode
Common
7
Diode
Anode
Cathode
Common
8
Diode
Anode
Anode
Common
9
Diode
Anode
Anode
Common
0
Diode
Cathode
Cathode
Common
Diode
Cathode
Cathode
Anode
Cathode
!™
Diode
Anode
Anode
Cathode
Anode
Transistor
Source
Drain
D
D
(FET)
Gate
G
G
Source
Transistor
Drain
S
S
(FET)
Gate
Discrete semiconductot
(Chip semiconductors that are not actually used are included.)
Ver.1.5
– 70 –

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