JVC TH-P5B Service Manual page 52

FL & Key switch control section
5 4 5 3 5 2 5 1 5 0 4 9 4 8 4 7 4 6 4 5 4 4 4 3 4 2 4 1 4 0 3 9 3 8 3 7
R 5 0 5 8 2 K
R 5 0 1
1 k
R 5 0 2 1 k 2 . 6 V
R 5 0 3 1 k 2 . 6 V
0 V
0 V
LVA10644-A5
KEY PWB
S 5 3 1 t o S 5 3 8
Q S W 0 6 8 3 - 0 0 1 Z
R 5 3 1 R 5 3 2 R 5 3 3 R 5 3 4
3 . 3 k 3 . 9 k 6 . 8 k 1 5 k
S 5 3 1 S 5 3 2 S 5 3 3 S 5 3 4
O P E N / C L O S E P A U S E P L A Y V O L U P V O L D O W N
1
K E Y 2
2
K E Y 1
3
B G N D
4
B 5 V
5
S T A N D B Y
R 5 2 1 R 5 2 2 R 5 1 1
3 9 0
N R S A 6 3 J - 3 9 1 X
3 . 3 k 3 . 9 k
S 5 3 6 S 5 3 7 S 5 3 8
D 5 1 1
P O W E R S O U R C E S T O P
S L R - 3 4 3 V C / N P Q - T
STANDBY
3 6 3 5 3 4 3 3 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 1 6 1 5 1 4 1 3 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1
3 2 5 4
D I 5 0 1 Q L F 0 1 6 8 - 0 0 1
FL DISPLAY
C 5 1 5
0 . 0 1 / 5 0
- 1 9 . 1 V G 7
N C G 1 0
- 1 9 . 1 V G 6
N C G 1 1
- 2 1 V S 1 7
N C G 1 2
- 2 1 . 1 V
N C
V E E
- 2 0 . 8 V S 1 6
O S C S 1 6
- 1 6 . 9 V S 1 5
N C
S 1 5
FL DRIVER
- 2 0 . 8 V S 1 4
D I - D T
S 1 4
- 1 8 . 9 V S 1 3
D I - C K
S 1 3
- 2 0 . 8 V S 1 2
D I - C S
S 1 2
- 2 0 . 8 V S 1 1
K 1
S 1 1
- 1 7 V S 1 0
K 2 S 1 0
I C 5 0 1
P T 6 3 1 5
LVA10643-A2
G N D 5
G N D 4
S 5 3 5
K 8 0 0 3
D + 3
K 8 0 0 2
D - 2
K 8 0 0 1
V B U S 1
LED
D I - C K
D I - D T
D I - C S
R E M O C O N
REMOCON
I C 5 1 1
G P 1 U M 2 6 1 X K V F
1 2 3 4 5
B 5 V
USB
D 8 0 0 1
N I
2
1
K 8 0 0 4
0 3
N Q R 0 0 2 2 - 0 0 2 X
N Q R 0 0 2 2 - 0 0 2 X
N Q R 0 5 0 2 - 0 0 1 X
N I
E P 8 0 1
Q N Z 0 1 3 6 - 0 0 1 Z
1 2 3
N O T E S :
1 . V O L T A G E S A R E D C - M E A S U R E D W I T H A D I G I T A L V O L T M E T E R
O R O S C I L L O S C O P E W I T H O U T I N P U T S I G N A L .
C O N D I T I O N P O W E R - O N . S O U C E : D V D S T O P .
2 . U N L E S S O T H E R W I S E S P E C I F I E D .
A L L R E S I S T A N C E V A L U E S A R E I N O H M S .
A L L I N D U C T A N C E V A L U E S A R E I N H .
A L L C A P A C I T A N C E V A L U E S A R E I N F . P I S p F .
LVA10644-A2
FL PWB
1 3 F -
F +
1 2
- V D I S P
1 1
1 0 D 5 V
TO MAIN PWB
F L G N D
9
D G N D
8
7 D I - C K
6 D I - D T
D I - C S
5
B 5 V
4
B G N D
3
R E M O C O N
2
1 N C
Q G F 1 2 0 5 F 2 - 1 3
C N 5 0 1
LVA10644-A4
K 5 9 0 1 - K 5 9 0 3
N Q R 0 0 0 7 - 0 0 2 X
R 5 9 0 2 3 3 K 5 9 0 2
0 . 0 1
C 5 9 0 6
R 5 9 0 1
4
H P - D E T
R 5 9 0 3 3 3 K 5 9 0 1 1 k
3
H P - R
2
A G N D
1
H P - L C 5 9 0 5
0 . 0 1
K 5 9 0 3
HEADPHONE OUT
J 5 9 0 1
Q N S 0 2 3 1 - 0 0 1
2
3
1
4
6
5
7
W 5 9 0 1
Q U B 2 2 0 - 0 5 D M H P - E
1
2-5