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Schematic Diagrams And Printed Wiring Boards - Sony KP-EF41ME Service Manual

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6-4. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS

Terminal name of semiconductors in silk screen
Note:
printed circuit (
*
)
• All capacitors are in µF unless otherwise noted. (pF: µµF)
Capacitors without voltage indication are all 50 V.
Device
Printed symbol
Terminal name
• Indication of resistance, which does not have one for rating
Collector
1
Transistor
electrical power, is as follows.
Base
Emitter
Collector
Pitch: 5 mm
2
Transistor
Rating electrical power 1/4 W (CHIP : 1/10 W)
Base
Emitter
• All resistors are in ohms.
3
Cathode
Diode
f
Anode
: nonflammable resistor.
Ï
Cathode
: fusible resistor.
4
Diode
¢
: internal component.
Anode
(NC)
p
: panel designation, and adjustment for repair.
Cathode
5
Diode
• All variable and adjustable resistors have characteristic curve B,
Anode
(NC)
unless otherwise noted.
e
Common
6
: earth-ground.
Diode
E
Anode
Cathode
: earth-chassis.
Common
• All voltages are in V.
7
Diode
• Readings are taken with a 10 M digital multimeter.
Anode
Cathode
• Readings are taken with a color-bar signal input.
Common
8
Diode
• Voltage variations may be noted due to normal production
Anode
Anode
tolerances.
Common
9
Diode
*
: Can not be measured.
Anode
Anode
• NO MARK: Common
Common
• <
> : SECAM
0
Diode
Cathode
Cathode
• (
) : NTSC 3.58 MHz
Common
• Circled numbers are waveform references.
s
Diode
: B + bus.
Cathode
Cathode
S
: B – bus.
Anode
Cathode
!™
÷
Diode
Anode
Anode
: Signal path.
Cathode
Anode
Source
Transistor
Reference information
Drain
(FET)
Gate
RESISTOR
: RN
METAL FILM
G
Transistor
Source
: RC
SOLID
Drain
(FET)
Gate
: FPRD
NONFLAMMABLE CARBON
D
: FUSE
NONFLAMMABLE FUSIBLE
Transistor
Source
!∞
Drain
(FET)
Gate
: RW
NONFLAMMABLE WIREWOUND
S
: RS
NONFLAMMABLE METAL OXIDE
Emitter
Transistor
Collector
: RB
NONFLAMMABLE CEMENT
Base
COIL
: LF-8L
MICRO INDUCTOR
C2
B1 E1
CAPACITOR
: TA
TANTALUM
Transistor
B1
E2
B2 C1
: PS
STYROL
C1
B2 E2
: PP
POLYPROPYLENE
!•
Transistor
E1
B1 C2
: PT
MYLAR
B1
: MPS
METALIZED POLYESTER
C1
B2 E2
Transistor
: MPP
METALIZED POLYPROPYLENE
E1
B1 C2
: ALB
BIPOLAR
C1
B2 E2
Transistor
B1
: ALT
HIGH TEMPERATURE
E1
B1 C2
: ALR
HIGH RIPPLE
C1(B2)
E2
B1 E1
Transistor
B1
C2
C1(B2)
Note: The components identified by shading and mark
(B2)
E1(B2)
@™
B1
E1
E2
Transistor
B1
! are critical for safety. Replace only with part
C1
C2
number specified.
E1(B2)
(B2)
E2
E1
B1
Transistor
B1
C2
C1
Discrete semiconductot
(Chip semiconductors that are not actually used are included.)
– 63 –
— AG BOARD (Conductor Side) —
1
2
Circuit
A
B
D
D
G
S
S
D
C
G
G
S
C1
C2
B2
E1
E2
C1
C2
B2
E1
E2
E1
E2
B2
C1
C2
C2
E2
E2
E2
C1
C2
C2
C1
C2
Ver.1.5
– 64 –
• AG BOARD SEMICONDUCTOR LOCATION
IC
Q423
Q425
(
Conductor
)
(
Component
)
3
4
5
Side
Side
Q426
Q2001
IC301
B-4
B-1
Q2002
IC401
C-5
Q2003
IC402
B-2
Q2004
IC403
B-1
Q2005
IC404
C-5
Q2006
IC1001
A-1
Q2007
IC1002
A-2
IC1003
A-1
Q2008
Q2009
IC2001
B-3
B-3
Q2010
IC2002
B-4
IC2003
B-4
Q2011
Q2012
IC2004
B-4
IC2006
B-4
TRANSISTOR
(
Conductor
)
(
Component
)
Side
Side
*
D101
D102
Q101
A-3
2
Q102
A2
1
D103
1
D104
Q103
A-2
D306
Q104
A-3
1
Q301
C-2
2
D307
1
D402
Q303
C-4
D403
Q304
C-4
1
1
D414
Q308
B-4
D2001
Q309
B-1
2
D2002
Q310
C-1
2
2
D2003
Q311
C-2
D2004
Q312
C-1
2
D2005
Q313
B-3
1
1
D2006
Q401
B-5
D2007
Q402
B-5
1
Q403
B-1
2
D2008
2
D2009
Q404
B-1
D2010
Q405
B-1
2
Q406
C-1
1
D2011
1
D2012
Q407
C-1
D2013
Q408
B-4
1
Q409
B-5
1
D2014
1
D2015
Q410
B-5
Q412
B-2
2
Q414
C-5
2
Q415
C-1
1
Q416
C-4
2
2
Q417
C-4
X301
Q418
C-2
1
X302
Q419
C-4
2
2
X303
Q420
C-4
X1001
Q421
C-4
2
X2001
Q422
C-2
1
*
: Refer to Terminal name of semiconductors in silk
screen printed circuit (see page 63)
: Pattern from the side which enables seeing.
: Pattern of the rear side.
– 65 –
(ag)
AUDIO PROCESSER, µ COM, Y/C JUNGLE,
SECAM DEC, PICTURE BOOSTER
— AG BOARD (Component Side) —
C-4
2
A-5
1
1
A-5
B-1
1
1
2
B-1
1
2
B-5
B-2
1
C-1
1
C-1
1
B-1
1
1
B-2
B-2
1
B-4
2
B-1
B-5
A
B-1
1
DIODE
(
Conductor
)
Component
(
)
Side
Side
*
A-2
3
A-2
3
A-1
A-4
A-3
3
C-1
3
3
C-1
B-4
3
C-5
3
3
C-1
B-5
3
B-1
3
B
3
A-1
B-1
3
B-1
3
B-1
3
B-1
3
3
B-1
B-1
3
B-1
3
3
C-1
C-1
3
C-1
3
3
C-1
C-2
3
CRYSTAL
(
Conductor
)
(
Component
)
C
Side
Side
C-4
C-2
B-4
B-2
B-4
B-2
A-4
A-2
B-2
B-3
3
4
5
: Pattern from the side which enables seeing.
: Pattern of the rear side.
– 66 –

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