JVC RX-F31S Service Manual page 20

Standard schematic diagrams
Primary and regulator section
LVA10564-1
- B + 1 2 V
!
!
Q 7 2 5 L 7 0 1 Q 7 2 2
K T A 1 0 4 6 / Y K T A 1 0 4 6 / Y
2 2 0 u
- 2 1 . 0 V 0 V
- 2 2 . 9 V - 2 1 . 1 V
R 7 5 1
Q 7 2 6
- 0 . 3 V
2 S C 2 8 1 2 N / 6
R 7 6 0
2 2 0
- 2 2 . 4 V - 2 1 . 7 V
6 8 0
R 7 6 1
- 2 2 . 2 V
3 3 0 - 2 . 0 V
0 V
Q 7 2 4
R 7 5 8
- 2 7 . 5 V
- 2 7 . 5 V
4 7 0
Q 7 2 3
- 2 8 . 0 V
K T C 3 1 9 9 / G L
- B
- B
A M P - B
(SHEET 3)
A M P - B
P . G N D
P . G N D
(SHEET 2), (SHEET 3)
A M P + B
A M P + B
- B + 1 2 V
- B + 1 2 V
(SHEET 3)
D . G N D
D . G N D
+ 7 V
+ 7 V
(SHEET 2)
- 7 V
- 7 V
+ S 2 B
+ S 2 B
A M P _ C L K
A M P _ C L K
C L K _ F _ C O N T
C L K _ F _ C O N T
H P _ S W
H P _ S W
(SHEET 3)
H P _ R E L A Y
H P _ R E L A Y
P R O T E C T
P R O T E C T
T H 1
T H 1
T H C O M
T H C O M
C N 7 0 4
Q G B 2 5 1 0 J 1 - 1 4
+ S 2 B
1 7 . 5 V 1
0 V 2
V I D E O + 5 V
5 . 1 V 3
D + 5 V
4 . 9 V 4
V I D E O + 9 V
8 . 7 V 5
T V D I R E C T
4 . 2 V 6
R E G _ S A F E T Y
3 . 6 V 7
9 . 4 V 8
+ 5 V
9 . 0 V 9
- V P P
- 2 5 . 8 V 1 0
VERSION CODES
F 1
- 1 9 . 3 V 1 1
F 2
J :U.S.A.
- 1 9 . 4 V 1 2
D . G N D
C :CANADA
0 V 1 3
EN:NORDIC COUNTRIES
5 . 0 V 1 4
E :CONTINENTAL EUROPE
B :U.K.
EV:EAST EUROPEAN COUNTRIES
C N 7 0 3
UP:KOREA Q G B 2 5 1 0 J 1 - 1 0
UJ:U.S. ARMY A C _ O N / O F F
1
- 3 9 . 4 V
US:SINGAPORE
B _ S W 2
4 . 5 V 2
UT:TAIWAN
B _ S W 1
A :AUSTRARIA 4 . 5 V 3
UF:CHINA
4
2 . 3 V
UX:SAUDI ARABIA P O W E R _ P W M
- 5 9 . 5 V 5
+ 1 2 V
1 3 . 4 V 6
7
0 V
A M P _ C L K
0 V 8
3 2 . 0 V 9
0 . 6 V 1 0
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TO CN711 OF LVA10566-4 (SHEET 1)
E P 7 0 1
F W 7 2 1
Q N Z 0 1 3 6 - 0 0 1 Z
1 / 4 W
D 7 0 6
R 7 0 7
3 . 3 k
1 S S 1 3 3
!
2 S K 3 5 9 9
Q 7 0 3
D
!
R 7 1 4
U N F
G
Q Q L 7 7 A K - 2 2 0 3 3
1 R 7 5 9 L 7 0 2 S
R 7 2 7
( 1 / 2 W ) U N F
2 2 u 4 . 7
1 / 4 W
!
Q 7 0 5
!
L 7 0 3
!
2 2 u
Q Q L 7 7 A K - 2 2 0 D
R 7 1 5
G
3 3
S Q 7 0 4
2 S K 3 5 9 9
C 7 2 9
0 . 0 0 2 2 / 5 0
D 2 3 3
!
1 A 3 G
C 2 4 3 D 2 3 4
!
1 A 3 G
T H 3 0 2 1 0 0 / 1 0 0
Q A D 0 1 4 6 - 1 0 3
C 2 4 2
1 0 0 / 1 0 0
!
R 2 5 3
U N F
T H 2
2 . 2
( 1 / 4 W )
R 2 3 8
1 k
4 . 3 V
Q 2 2 4
5 . 0 V
K R C 1 1 1 S
4 . 3 V
R 2 3 9
1 0 0 k C 2 2 6
1 0 0 / 1 6
T U N E R + 9 V
R 2 5 4
!
1 0
( 1 / 4 W )
U N F
9 . 0 V
R 2 2 7
3 9 k
3 . 7 V
4 . 5 V
3 . 6 V
R 2 2 8
4 7 k
D 7 0 1 - D 7 0 4
3 0 P R A 2 0 - F C
C 7 5 3 0 . 2 2 / 1 0 0
Q G A 3 9 0 1 C 1 - 0 3
+ B
!
D 7 0 1 C N 7 0 2
! S 1
! 1 1
D 7 0 2 C O M
2 2
S 1
C 7 5 4
3 3
0 . 4 7 / 1 0 0
!
D 7 0 3
K T C 1 0 2 7 / O Y / W 7 0 1
- B
Q 7 0 1 F R R 7 1 1
! !
- 4 7 . 3 V 0 V G N D
1 0
- 4 6 . 8 V
M A 1 1 1
D 7 1 7
1 / 2 W
U N FR 7 1 2
!
6 . 8 k
D 7 1 1
U D Z S 1 3 B
- B + 1 2 V R E G U L A T O R
1 / 5 0
- 5 8 . 0 V
- 4 7 . 4 V
V c c L O
R 7 2 4 - 6 0 . 1 V
U N F 4 4 . 3 V
V B C O M
4 . 7
- 5 9 . 3 V
3 3 . 3 V
H O L I N
0 . 3 3 / 5 0
3 2 . 0 V
V s H I N
I C 7 0 1 I R S 2 0 1 1 S
R 7 2 6
1 k
C 7 4 0
N I
T H 2 0 1
C 2 4 1 !
2 2 0 / 5 0 4 . 7
R 2 0 7
C 2 1 2 !
1 2
0 . 0 4 7 M Y
( 1 / 4 W )
U N F
D 2 3 1
!
1 A 3 G
C 2 1 3
0 . 0 4 7 M Y
R 2 0 8
1 0 0 k
A + 5 V
! Q 2 1 3
( 1 / 4 W )
2 S D 2 3 9 4 / E F / R 2 3 6 !
F R
5 . 2 V
1 6 . 7 V 1 0
! R 2 0 9
!
1 0
Q 2 1 8 U N F
5 . 8 V ( 1 / 4 W )
R 2 3 7
( 1 / 4 W )
3 . 3 k
5 . 8 V
U N F
K R A 1 0 2 S
0 V
- 1 8 . 9 V
Q 2 1 9 K T A 1 0 4 6 / Y
!
4 . 5 V C 2 1 4
1 / 5 0 Q 2 0 4
K R C 1 0 2 S K T C 3 2 0 0 / G L /
0 V
- 2 4 . 8 V
D 2 2 4
M T Z J 6 . 2 C
! R 2 2 5
Q 2 1 0 !
1 0
2 S D 2 3 9 4 / E F /
( 1 / 4 W )
F R
1 6 . 5 V
R 2 2 1
R 2 2 6 ! ! !
! Q 2 0 9 1 0 Q 2 0 8
1 k
2 S D 2 3 9 4 / E F / 2 S D 2 3 9 4 / E F /
( 1 / 4 W )
( 1 / 4 W )
9 . 7 V U N F 1 6 . 6 V F R 1 6 . 4 V
5 . 6 V 7 . 0 V
9 . 7 V
Q 2 1 4 R 2 2 3 R 2 2 2
! R 2 1 9
K R A 1 0 2 S 1 k
3 . 3 k
0 V 2 2 k
( 1 / 4 W )
U N F
6 . 3 V 7 . 6 V
Q 2 1 5
K R C 1 0 2 S
4 . 4 V
R 2 2 4 D 2 1 7 R 2 2 0
1 0 0 k M T Z J 6 . 2 C 4 7 k M T Z J 7 . 5 C
5 . 6 V 4 . 4 V
3 . 6 V 3 . 6 V 3 . 6 V 3 . 5 V
Q 2 2 1 Q 2 2 0
K R C 1 1 1 S K R C 1 1 1 S
Parts are safety assurance parts.
FROM CN509 OF LVA10576-1 (SHEET 7)
When replacing those parts make
sure to use the specified one.
2-2
!
POWER POWER
TRANSFORMER TRANSFORMER
1 2 7 V
LVA10566-7
1 7 V
C N 2 0 4
1 1
0 V
2 2
3 3
1 2 7 V
C N 2 0 5
1 1
2 2
1 1 0 V
3 3
4 4
0 V
T H . F U S E T H . F U S E T H . F U S E T H . F U S E
Q G A 2 5 0 1 C 1 - 0 4
C N 2 0 1 C N 2 0 8 C N 2 1 8
Q G A 3 9 0 1 C 1 - 0 9
1 1
2 2
9 . 8 V
3 3
! !
T 2 0 2
4 . 4 V
4 4 !
Q Q T 0 2 8 1 - 0 0 6
D 2 0 8 D 2 0 9
1 A 3 G 1 A 3 G
C 2 0 7 C 2 0 8
!
0 . 1 M Y 0 . 1 M Y
!
( 1 0 0 V ) ( 1 0 0 V )
C 2 0 9
0 . 1 M Y C 2 0 2
( 1 0 0 V )
0 . 0 0 4 7 / 1 0 0
!
!
!
D 2 1 0 D 2 1 1
D 2 0 1
1 A 3 G 1 A 3 G D 2 0 2
1 A 3 G 1 A 3 G
!
1 7 . 2 V
! !
C 2 1 0 C 2 1 1 D 2 0 3 D 2 0 4
4 7 0 0 / 2 5 1 0 0 0 / 2 5 1 A 3 G 1 A 3 G
9 . 8 V
- 5 1 . 0 V
- 2 5 . 8 V F R
C 2 0 3
2 2 0 / 6 3
! R 2 1 0
Q 2 0 5
1 0
( 1 / 4 W ) !
- 2 6 . 1 V U N F
R 2 1 1
!
5 . 6 k
( 1 / 2 W )
D 2 2 3
M T Z J 2 7 B
C 2 0 6
4 7 0 / 1 6
R 2 1 7 R 2 1 5
! ! !
8 . 2 Q 2 0 7 1 0
( 1 / 4 W ) K T A 1 0 4 6 / Y ( 1 / 4 W )
- 7 . 0 V
F R - 1 8 . 9 V F R
R 2 1 8 R 2 1 6
! !
1 . 5 k 1 . 5 k
( 1 / 4 W ) ( 1 / 4 W )
U N F U N F
- 7 . 6 V
D 2 1 6 D 2 1 5
U D Z S 7 . 5 B
R 2 4 2
2 . 2 k
C N 5 1 0
F W 7 9 2
F W 2 0 1
C N 5 2 0 TO CN701 OF LVA10564-2 (SHEET 4)
TO CN540 OF LVB10576-1 (SHEET 7) TO CN530 OF LVA10576-1 (SHEET 7)
V O L T A G E S E L E C T O R L O C A T I O N
2 2 2 2
8 5 8 5 8 5 8 5
1 3 1 3 1 3 1 3
7 6 7 6 7 6 7 6
4 4 4 4
1 1 0 V 1 2 7 V 2 2 0 V
2 3 0 - 2 4 0 V
!
V S 2 0 1
!
Q S W 0 8 1 2 - 0 0 1
2
! 8 5
1 3 !
7 6
4
P W 2 1 2 P W 2 1 1
P W 2 0 2 P W 2 0 1
!
F 2 0 5
!
!
T 3 . 1 5 A L Q G A 7 9 0 1 C 1 - 0 2 !
L I V E /
F 2 0 4 C N 2 0 3
B R N
2 2 MAINS
T 1 0 0 m A L C 2 1 7 R 2 4 3
! !
0 . 2 2 u 3 . 3 M
1 1
PLUG
N E U T R A L /
C 2 0 1
! B L U
0 . 0 0 4 7
! !
!
R Y 2 0 1
Q S K 0 1 4 2 - 0 0 1
Q 2 0 1
Q N Z 0 1 3 6 - 0 0 1 Z
K R C 1 0 5 S
E P 2 0 1
0 V 0 V
D 2 0 5 !
1 S S 1 3 3 ! 2 S D 2 3 9 4 / E F /
4 . 4 V
R 7 2 3 Q 7 0 2
O M F R 2 7 4 ! F R
1 . 2 K 2 W 1 3 . 5 V
1 0
O M F R 2 7 3
! 5 9 . 5 V
1 . 2 K 2 W 1 2 . 9 V
D 7 1 8
O M F R 2 7 2 ! !
M A 1 1 1
1 . 2 K 2 W R 7 1 3
U N F
O M F R 2 7 1 !
6 . 8 k
2 W
1 . 2 K 1 / 2 W
Q 2 0 3
K T C 3 2 0 3 / O Y
5 . 7 V
LVA10566-4
C N 7 1 1
Q G A 2 0 0 1 C 1 - 0 5
!
FROM FW721 OF LVA10564-1 (SHEET 1)
R 2 4 5
2 . 2
( 1 / 4 W )
E P 2 0 2
D 2 1 2
1 A 3 G
V O L T A G E M E A S U R E M E N T C O N D I T I O N
D 2 1 3
1 A 3 G
P O W E R O N
S O U R C E F M ( N O S I G N A L )
S U R R O U N D O F F
V O L U M E 0
SHEET 1