Table of Contents
Advertisement
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
Pitch: 5 mm
Collector
2
Transistor
Rating electrical power 1/4 W (CHIP : 1/10 W)
Emitter
Base
Cathode
• All resistors are in ohms.
3
Diode
Anode
•
: nonflammable resistor.
•
: fusible resistor.
Cathode
4
Diode
¢
•
: internal component.
Anode
(NC)
•
: panel designation, and adjustment for repair.
Cathode
5
• All variable and adjustable resistors have characteristic curve B,
Diode
Anode
(NC)
unless otherwise noted.
Common
•
: earth-ground.
6
Diode
Anode
Cathode
•
: earth-chassis.
Common
• All voltages are in V.
7
Diode
• Readings are taken with a 10 MΩ 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
•
: Can not be measured.
Diode
*
Anode
Anode
• NO MARK: Common
Common
• <
> : SECAM
0
Diode
Cathode
Cathode
• (
) : NTSC 3.58 MHz
Common
• Circled numbers are waveform references.
!¡
Diode
•
: B + bus.
Cathode
Cathode
•
: B – bus.
Anode
Cathode
÷
!™
Diode
Anode
Anode
•
: Signal path.
Cathode
Anode
Transistor
Source
!£
Reference information
Drain
(FET)
Gate
RESISTOR
: RN
METAL FILM
Transistor
Source
: RC
SOLID
!¢
Drain
(FET)
Gate
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
Source
!∞
Transistor
Drain
(FET)
: RW
NONFLAMMABLE WIREWOUND
Gate
: RS
NONFLAMMABLE METAL OXIDE
Emitter
!§
Transistor
Collector
: RB
NONFLAMMABLE CEMENT
Base
COIL
: LF-8L
MICRO INDUCTOR
C2
B1 E1
!¶
CAPACITOR
: TA
TANTALUM
Transistor
E2
B2 C1
: PS
STYROL
C1
B2 E2
: PP
POLYPROPYLENE
!•
Transistor
E1
B1 C2
: PT
MYLAR
: MPS
METALIZED POLYESTER
!ª
C1
B2 E2
Transistor
E1
B1 C2
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
C1
B2 E2
@º
Transistor
: ALT
HIGH TEMPERATURE
E1
B1 C2
: ALR
HIGH RIPPLE
E2
B1 E1
@¡
Transistor
C2
C1(B2)
Note: The components identified by shading and mark
(B2)
B1
E1
E2
@™
Transistor
! are critical for safety. Replace only with part
C1
C2
number specified.
(B2)
@£
E2
E1
B1
Transistor
C2
C1
–
Discrete semiconductot
(Chip semiconductors that are not actually used are included.)
– 59 –
AG
AUDIO PROCESSOR, µ COM, Y/C JUNGLE,
SECAM DEC, PICTURE BOOSTER
— AG BOARD (Conductor Side) —
1
2
Circuit
A
B
D
D
G
G
S
S
C
D
D
G
G
S
S
C1
C2
B1
B2
E1
E2
C1
C2
B1
B2
E1
E2
E1
E2
B1
B2
C1
C2
C1(B2)
C2
B1
E2
E2
E1(B2)
E2
B1
C1
C2
E1(B2)
C2
B1
C1
C2
Ver.1.5
– 60 –
• AG BOARD SEMICONDUCTOR LOCATION
3
5
4
IC
(
Conductor
)
(
Component
Side
IC301
B-4
B-1
IC401
C-5
IC402
B-2
IC403
B-1
IC404
C-5
IC1001
A-1
IC1002
A-2
IC1003
A-1
IC2001
B-3
B-3
IC2002
B-4
IC2003
C-4
IC2004
C-4
IC2006
B-4
TRANSISTOR
(
Conductor
)
(
Component
Side
Q101
A-3
Q102
A-2
Q103
A-2
Q104
A-3
Q301
C-2
Q303
C-4
Q304
C-4
Q308
B-4
Q309
B-1
Q310
C-1
Q311
C-2
Q312
C-1
Q313
C-3
Q401
B-5
Q402
B-5
Q403
B-1
Q404
B-1
Q405
B-1
Q406
C-1
Q407
C-1
Q408
B-4
Q409
B-5
Q410
B-5
Q412
B-2
Q414
C-5
Q415
C-1
Q416
C-4
Q417
C-4
Q418
C-2
Q419
C-4
Q420
C-4
Q421
C-4
Q422
C-2
Q423
C-4
*
: Refer to Terminal name of semiconductors in silk
screen printed circuit (see page 59)
– 61 –
— AG BOARD (Component Side) —
1
2
Q425
A-5
1
Q426
A-5
1
)
Side
Q2001
B-1
1
Q2002
B-1
1
Q2003
B-5
2
Q2004
B-2
1
1
Q2005
C-1
Q2006
C-1
1
1
Q2007
B-1
Q2008
B-2
1
1
A
Q2009
B-2
Q2010
B-4
2
Q2011
B-1
B-5
–
Q2012
B-1
1
DIODE
(
)
(
)
Conductor
Component
*
Side
Side
3
D101
A-2
)
Side
*
D102
A-2
3
D104
A-3
3
2
1
D105
A-1
3
D301
B-5
3
1
1
D306
C-1
3
D307
C-1
3
2
3
B
1
D401
A-1
D402
B-4
3
1
3
1
D403
C-5
D414
C-1
3
2
3
2
D2001
B-5
2
D2002
B-1
3
3
2
D2003
A-1
1
D2004
B-1
3
D2005
B-1
3
1
1
D2006
B-1
3
D2007
B-1
3
2
2
D2008
B-1
3
D2009
B-1
3
2
3
1
D2010
B-1
D2011
C-1
3
1
3
1
D2012
C-1
D2013
C-1
3
1
3
1
D2014
C-1
2
D2015
C-2
3
2
1
CRYSTAL
C
2
2
(
Conductor
)
(
Component
)
Side
Side
1
2
X301
C-4
C-2
X302
B-4
B-2
2
2
X303
B-4
B-2
X1001
A-4
A-2
1
X2001
B-2
B-3
2
3
4
5
– 62 –
Advertisement
Table of Contents
