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

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
!ª Transistor
: MPP METALIZED POLYPROPYLENE E1 B1 C2
: ALB BIPOLAR
@º 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 –