A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
14
13
12
G
D
S
B1 E1
C2
B2 C1
E2
2
3
4
5
6
7
8
9
0
!¡
!™
!¢
!§
!¶
!•
–
1
G
D
S
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
!ª
B1 E1
E2
C1(B2)
C2
@º
B1
E2
C1
C2
@™
@£
(B2)
E1
(B2)
E1
E2
B1
C2
C1
@¡
B1
E1
C2
B2
C1
E2
G
S
S
D
G
D
B1
E1
C2
B2
C1
E2
B1
E2
C2
C1(B2)
E2
B1
C1
C2
E1(B2)
C2
B1
C1
E2
E1(B2)
C2
B1
C1
E2
B2
E1
C2
Ver.1.5
Transistor
(FET)
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Discrete semiconductot
(Chip semiconductors that are not actually used are included.)
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Source
Source
Anode
Anode
(NC)
(NC)
Cathode
Anode
Cathode
Common
Cathode
Cathode
Common
Cathode
Cathode
Common
Common
Common
Common
Cathode
Anode
Base
Emitter
Collector
Base
Emitter
Collector
Drain
Gate
Gate
Drain
Device
Printed symbol
Terminal name
Circuit
Terminal name of semiconductors in silk screen
printed circuit (
*
)
Anode
Anode
Anode
Cathode
Anode
Anode
Cathode
!£
Transistor
(FET)
Transistor
(FET)
!∞
Emitter
Collector
Base
Transistor
Source
Gate
Drain
Cathode
Anode
Anode
Cathode
Anode
Anode
IC
IC001
B-10
IC002
C-9
IC003
B-9
IC301
C-6
IC502
E-6
IC503
I-5
IC601
I-7
IC602
H-7
IC603
E-8
IC604
D-9
TRANSISTOR
Q001
C-8
2
Q002
B-5
1
Q003
C-9
1
Q004
C-9
1
Q101
B-4
2
Q301
B-8
1
Q304
B-6
1
Q305
B-6
1
Q306
B-6
2
Q307
D-7
1
Q308
D-7
1
Q311
E-8
1
Q313
B-8
1
Q315
C-5
1
Q501
D-6
2
Q502
E-7
1
Q503
F-6
1
Q505
D-6
-
Q506
E-3
-
Q507
H-6
1
Q509
F-6
1
Q511
F-2
-
Q600
D-12 -
Q601
F-11
2
Q602
I-7
1
Q603
I-7
1
Q604
H-6
-
Q605
F-11
-
Q606
F-11
1
Q607
H-12 -
Q608
E-12
1
DIODE
D001
B-8
3
D002
C-8
3
D003
D-8
3
D004
D-8
3
D005
C-8
3
D006
A-3
3
D300
B-8
3
D301
B-8
3
D303
B-5
3
D304
B-5
3
D305
B-5
3
A BOARD
D306
C-5
3
D307
C-5
3
D308
C-5
3
D309
C-6
3
D311
C-6
3
D312
C-7
3
D313
B-8
3
D317
B-8
3
D504
D-5
-
D505
H-6
3
D506
F-6
-
D507
F-6
3
D508
I-6
3
D509
F-6
3
D510
F-6
3
D511
F-5
3
D512
F-5
3
D513
I-5
-
D517
F-2
-
D520
F-5
3
D521
I-4
-
D522
J-4
-
D523
H-4
-
D525
F-5
-
D526
F-6
-
D527
F-3
-
D528
F-4
-
D529
F-5
-
D530
F-2
-
D531
E-6
3
D532
E-6
3
D600
F-12
-
D602
G-12 -
D603
F-10
-
D604
I-7
-
D605
G-10
3
D606
E-10 -
D607
F-10
3
D608
F-10
-
D609
H-8
-
D610
I-8
-
D611
H-7
-
D612
F-8
-
D613
H-7
-
D614
H-7
-
D620
E-8
-
D621
F-8
-
D622
F-7
-
D623
F-11
3
D624
F-11
3
D625
D-11
3
D628
G-5
-
D630
E-9
8
D631
G-11 -
D632
F-12
-
D633
E-11 -
D634
F-11
3
D635
F-11
3
D636
D-11 -
D637
F-11
-
D638
E-11 -
5-3. CIRCUIT BOARDS LOCATION
5-4. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS
Note:
•
All capacitors are in
µ
F unless otherwise noted.
•
All electrolytic capacitors are rated at 50V unless otherwise noted.
•
All resistors are in ohms.
k
Ω
= 100
Ω
, M
Ω
= 1000k
Ω
•
Indication of resistance, which does not have one for
rating electrical power, is as follows.
Pitch: 5 mm
Rating electrical power 1/4W (CHIP: 1/10W)
•
: nonflammable resistor.
•
¢
: internal component.
•
: panel designation, or adjustment for repair.
•
All variable and adjustable resistors have characteristic curve
B, unless otherwise noted.
•
Readings are taken with a color-bar signal input.
no mark
: PAL
( )
: SECAM
[ ]
: NTSC
•
Readings are taken with a 10 M
Ω
digital multimeter.
•
Voltage are dc with respect to ground unless otherwise noted.
•
Voltage variations may be noted due to normal production toler-
ances.
•
All voltages are in V.
•
: Can not be measured.
•
Circled numbers are waveform reference.
•
: B + bus.
•
: B – bus.
•
: signal path.
Reference information
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFRAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: RW
NONFLAMMABLE WIREWOUND
: *
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 component identified by shading and
mark
!
!
!
!
!
are critical for safety. Replace only
with part number specified.
*
VM2 board
B board
H1 board
D2 board
A board
B4 board
P board
JI board
DH board
C board
F board
VI board (KV-EF34M31(OCE))
(KV-EF34M61(GE))
SBX 3005-01
– A BOARD –
MAIN TUNER, VIF, SIF, AW SW,
Y/C J, Y/C J. DECODER
A
– 65 –
– 66 –
– 67 –
– 68 –
EY840 EY839
EY842
D2506
D2507
28
EY887
EY844
EY873
NOTE :
The circuit indicated as left contains high voltage of over
600Vp-p. Please pay attention while inspecting or reparing
it to prevent an electric shock.