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Circuit Boards Location; Schematic Diagrams And Printed Wiring Boards - Sony KP-XA43M31 Service Manual

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6-3. CIRCUIT BOARDS LOCATION

H2
H1
G
CB
ZR
CR
ZG
V2
P1
UG
S
D
CG
E

6-4. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS

Note:
• All capacitors are in µF unless otherwise noted. (pF: µµF)
Capacitors without voltage indication are all 50 V.
• Indication of resistance, which does not have one for rating
electrical power, is as follows.
Pitch: 5 mm
Rating electrical power 1/4 W (CHIP : 1/10 W)
• All resistors are in ohms.
: 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-ground.
: earth-chassis.
• All voltages are in V.
• Readings are taken with a 10 MΩ digital multimeter.
• Readings are taken with a color-bar signal input.
• Voltage variations may be noted due to normal production
tolerances.
*
: Can not be measured.
• NO MARK: Common
• <
> : SECAM
• (
) : NTSC 3.58 MHz
• Circled numbers are waveform references.
: B + bus.
: B – bus.
÷
: Signal path.
Reference information
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RW
NONFLAMMABLE WIREWOUND
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
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
! are critical for safety. Replace only with part
number specified.
• Divided circuit diagram
Schematic diagrams of A, D, and E boards are divided into serveral
pieces. Information to where the line is to be connected is printed
at the end of wach line.
For example, [ TO A1/5, A2/5_1 ] means the line is connected to
Ref. No. 1 of A(1/5) and A(2/5) schematic diagrams.
TO A1/5, A2/5_1
– 47 –
KP-XA43M31/XA43M61/XA43M91
Terminal name of semiconductors in silk screen
printed circuit (
*
)
Circuit
Device
Printed symbol
Terminal name
Collector
1
Transistor
Emitter
Base
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
Source
Transistor
Drain
(FET)
D
D
Gate
G
G
Source
Transistor
S
S
Drain
(FET)
Gate
D
D
Source
Transistor
!∞
Drain
G
(FET)
Gate
S
S
Emitter
Transistor
Collector
Base
Discrete semiconductot
(Chip semiconductors that are not actually used are included.)
RM-967
G
Ver.1.6

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