JVC RX-D301S Service Manual page 30

PWM modulator and master clock section (Common)
R 3 3 3
C 3 3 2
4 . 7 k
3 3 p
C 3 3 1 R 3 3 1
1 0 0 / 1 6 1 k
R 3 3 2
1 0 0 k
R 3 3 4
1 k
R 3 3 5
1 0 k
C 3 0 7
0 . 0 0 2 2
R 3 1 0
1 M
R 3 1 1
2 . 2 k
C 3 0 9
R 3 0 5
1 0 0 p
1 . 5 M
FRONT_R
C 3 1 2
4 7 0 p C 3 0 3
1 0 / 5 0 R 3 1 4
1 0 0 k
R 3 0 3
R 3 0 1 C 3 0 1
1 K
1 k 1 0 / 5 0
F R
C 3 1 1
1 0 0 p
3 2 3 1 3 0 2 9 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7
- -
+ +
- - -
+ + +
L i m i t e r
F . G N D L o w V &
T h e r m a l R e g
W a r n i n g
L i m i t e r
1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6
F L
R 2 0 1 C 2 0 1
1 k 1 0 / 5 0
R 2 1 4
1 0 0 k
C 2 0 3
R 2 0 3 1 0 / 5 0
C 2 1 2
1 K
4 7 0 p
FRONT_L C 2 0 9
1 0 0 p
R 2 0 5
1 . 5 M R 2 1 1
2 . 2 k
R 2 1 0
C 2 0 7
1 M
0 . 0 0 2 2
R 2 3 5 1 0 k
R 2 3 4 1 k
R 2 3 2 1 0 0 k
C 2 3 1 R 2 3 1 R 2 3 3
1 0 0 / 1 6 1 k 4 . 7 k
A . N F B _ F L C 2 3 2
3 3 p
D . N F B _ F L
D 2 2 1
1 S S 1 3 3 - T 2
L I M I T T E R
R 2 2 3
1 k
Q 2 1 1
+ B _ D E T K T C 3 8 7 5 / Y G / - X
C 2 2 7
1 0 0 / 1 6
Q 2 1 2 Q 2 1 3
N I N I
P W M _ T H
D . N F B _ C
A . N F B _ C
R 8 3 3
C 8 3 2
C 8 3 1 R 8 3 1 4 . 7 k
3 3 p
1 0 0 / 1 6 1 k
R 8 3 2
1 0 0 k
R 8 3 4 1 k
R 8 3 5 1 0 k
C 8 0 7
0 . 0 0 2 2
R 8 1 0
1 M
R 8 1 1
2 . 2 k
C 8 0 9
R 8 0 5 1 0 0 p
1 . 5 M
CENTER C 8 1 2
4 7 0 p
C 8 0 3
R 8 1 4
1 0 / 5 0
1 0 0 k
R 8 0 3
R 8 0 1 C 8 0 1
1 k C 8 1 1
1 k 1 0 / 5 0
1 0 0 p
C
3 2 3 1 3 0 2 9 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7
- -
- + - + -
+ + +
L i m i t e r
C . G N D L o w V &
T h e r m a l R e g
W a r n i n g
L i m i t e r
1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6
C N 3 0 1 t o C N 3 0 2
Q G B 2 5 1 0 K 1 - 1 7 o f L V A 1 0 5 7 8 - 1
BLK_PWM1
C N 3 0 2
D 2 1 1
Q G B 2 5 1 0 J 1 - 1 7 Q 2 1 4
1 S S 1 3 3 - T 2
K R C 1 0 2 M - T
D 3 1 1
1 S S 1 3 3 - T 2
D 2 2 2
M T Z J 1 6 B - T 2
D 8 1 1
1 S S 1 3 3 - T 2
(SHEET 5)
C 8 2 1
1 0 0 / 1 6
LVA10578-2
C 1 3 3 1
1 0 0 / 1 6
Q 3 0 1
SURROUND_R
K T A 1 2 6 8 / G L / - T
C 1 3 1 2
N I
R 1 3 0 3
R 1 3 0 1 C 1 3 0 1
0
1 k 1 0 / 5 0
S R
3 2 3 1 3 0 2 9 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7
V E E 1
2
3
S . G N D
V C C
C 3 2 4
0 . 1
I C 2 0 2
S N 7 4 L V C 3 G 0 4 T - X
1 2
S L
R 1 2 0 1 C 1 2 0 1
1 k 1 0 / 5 0
R 1 2 0 3
0
C 1 2 1 2
N I
Q 2 0 1
K T A 1 2 6 8 / G L / - T
SURROUND_L
R 3 1 8
1 0
U N F
1 / 4 W
+ 7 V
1
2
- 7 V
C 1 2 3 1
3
1 0 0 / 1 6
R 3 1 9 M _ C L O C K
1 0 4
U N F
1 / 4 W A . N F B _ S L
D . N F B _ S L
+ 7 V
1
- 7 V
2
L I M I T T E R
D . N F B _ S B R
A . N F B _ S B R
C 1 4 3 1
1 0 0 / 1 6
Q 8 0 1
K T A 1 2 6 8 / G L / - T SURRBACK_R
1
2
C 1 4 1 2
N I
R 1 4 0 3
R 1 4 0 1 C 1 4 0 1
1 k 1 0 / 5 0
S B R
3 2 3 1 3 0 2 9 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7
S B . G N D
1 2
S B L
R 4 0 1 C 4 0 1
1 k 1 0 / 5 0
R 4 0 3
0
C 4 1 2
N I
SURRBACK_L
C 4 3 1
1 0 0 / 1 6
BLK_PWM2
D 1 2 1 1
1 S S 1 3 3 - T 2
D 1 3 1 1
1 S S 1 3 3 - T 2
D 4 1 1
1 S S 1 3 3 - T 2
D 1 4 1 1
1 S S 1 3 3 - T 2
(SHEET 5) (SHEET 5)
C N 2 2 2
Q G B 2 5 1 0 J 1 - 1 4
FROM CN522 OF LVA10577-3
FROM CN522 OF LVA10584-3
(SHEET 12)
LVA10578-3
C 1 3 3 2 R 1 3 3 3
3 3 p 4 . 7 k
R 1 3 3 1
1 k R 1 3 3 2
1 0 0 k
R 1 3 3 4
1 k
R 1 3 3 5
1 0 k
C 1 3 0 7
R 1 3 1 0 0 . 0 0 2 2
1 M
R 1 3 1 1
2 . 2 k
C 1 3 0 9
R 1 3 0 5
1 0 0 p
1 . 5 M
C 1 3 0 3
R 1 3 1 4
1 0 / 5 0
1 0 0 k
C 1 3 1 1
1 0 0 p
- -
V E E
+ +
- - -
+ + +
L i m i t e r
L o w V &
T h e r m a l R e g
W a r n i n g
L i m i t e r
C 1 3 2 4
V C C
0 . 1
3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 I C 3 0 2
S N 7 4 L V C 3 G 0 4 T - X
R 1 2 1 4
1 0 0 k
C 1 2 0 3
1 0 / 5 0
C 1 2 0 9
1 0 0 p
R 1 2 0 5
1 . 5 M
R 1 2 1 1
2 . 2 k
R 1 2 1 5
R 1 2 1 0
*
1 M
C 1 2 0 7
0 . 0 0 2 2
C 1 2 1 0
1
R 1 2 3 5 1 0 k
R 1 2 3 4 1 k
R 1 2 3 2
R 1 2 3 1 1 0 0 k
1 k
C 1 2 3 2 R 1 2 3 3
3 3 p 4 . 7 k
R 1 3 1 8
1 0
U N F 1 / 4 W
R 1 3 1 9
1 0
U N F 1 / 4 W
C 1 4 3 2 R 1 4 3 3
3 3 p 4 . 7 k
R 1 4 3 1
R 1 4 3 2
1 k
1 0 0 k
R 1 4 3 4 1 k
R 1 4 3 5 1 0 k
C 1 4 0 7
0 . 0 0 2 2
R 1 4 1 0
1 M
R 1 4 1 1
2 . 2 k
C 1 4 0 9
R 1 4 0 5
1 0 0 p
1 . 5 M
C 1 4 0 3
R 1 4 1 4
1 0 / 5 0
1 0 0 k
0
C 1 4 1 1
1 0 0 p
- -
- + - + -
+ + +
L i m i t e r
L o w V &
T h e r m a l R e g
W a r n i n g
L i m i t e r
3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6
R 4 1 4
1 0 0 k
C 4 0 9
1 0 0 p
R 4 0 5
1 . 5 M
R 4 1 1
2 . 2 k
R 4 1 0
1 M
C 4 0 7
0 . 0 0 2 2
R 4 3 5 1 0 k
R 4 3 4 1 k
R 4 3 2
1 0 0 k
R 4 3 1
1 k
C 4 3 2 R 4 3 3
3 3 p 4 . 7 k
C N 4 0 1
Q G B 2 5 1 0 K 1 - 1 6
C N 4 0 2
Q G B 2 5 1 0 J 1 - 1 6
LVA10578-1
2-6
* M A R K L I S T
B , E , E N , E V , U S , A ,
J , C U T , U P , U N , U J , U F
R 2 1 5 , R 3 1 5 , R 8 1 5 ,
8 . 2 k 6 . 8 k
R 1 3 1 5 , R 1 2 1 5 , R 1 4 1 5 , R 4 1 5
MasterClock Block
I C 2 1 1
S N 7 4 H C U 0 4 A N S - X
1 4 1 3 1 2 1 1 1 0 9 8
C 2 4 1
3
0 . 1
2
1 1 2 3 4 5 6 7
R 2 4 1 R 2 4 3
1 M 1 M
C 2 4 2 C 2 4 3 C 2 4 4 C 2 4 5
4 7 0 p 4 7 0 p 4 7 0 p 4 7 0 p
X 2 4 1 X 2 4 2
Q A X 0 7 3 4 - 0 0 1 Q A X 0 7 3 5 - 0 0 1
400kHz 420kHz
1 4 1 3 1 2 1 1 1 0 9 8
1 2 3 4 5 6 7
I C 2 1 2
S N 7 4 H C 0 0 A N S - X
+ 7 V
1
- 7 V C 2 4 8
2 1 0 0 p C 2 4 7
1 0 0 p
R 2 4 6 D 2 4 1
2 . 2 k 1 S S 1 3 3 - T 2
D 2 4 2 R 2 4 7
1 S S 1 3 3 - T 2 2 . 2 k
1 4 1 3 1 2 1 1 1 0 9 8
1 2 3 4 5 6 7
I C 2 1 3
S N 7 4 H C 0 8 N S - X
1 4 1 3 1 2 1 1 1 0 9 8
I C 2 1 4
S N 7 4 H C 7 4 A N S - X
4 1 2 3 4 5 6 7
3
2
1
R 3 4 1
1 k
R 3 4 2
2 . 2 k
D 3 4 1
U D Z S 2 . 7 B - X
-B+12V
R 4 4 1
4 . 7 Q 4 4 1
U N F 1 / 2 W 2 S D 2 3 9 4 / E F /
R 4 4 3
6 8 0
R 4 4 2
2 S C 2 8 1 2 N / 6 / - X
3 . 6 k
U N F 1 / 2 W
R 4 4 4
C 4 4 3
1 . 8 k
1 0 0 / 3 5
U N F 1 / 4 W
D 4 4 1
M T Z J 2 0 C - T 2
C N 2 0 2
t o C N 2 0 1
o f L V A 1 0 5 7 8 - 1
BLK_CLOCK
Parts are safety assurance parts.
C N 2 0 1
Q G A 2 5 0 1 C 1 - 0 7
When replacing those parts make
sure to use the specified one.
LVA10579-7
Q 4 4 4
K T A 1 0 4 6 / Y /
Q 4 4 5
C 4 4 1 D 4 4 4
1 0 0 / 2 5 M T Z J 1 1 C - T 2
SHEET 4