D) Fl And Headphone Circuit - Panasonic SA-HT640WP Service Manual

18.4. (D) FL and Headphone Circuit

SCHEMATIC DIAGRAM-14
F
FL CIRCUIT
: MUSIC PORT SIGNAL LINE
H
1
R6939
0
F-
R6940
0
F +
G
L6903
J0JBC0000041
-VP
F
FL_IC_IN
FL_IC_CLK R6916 68
FL_IC_STB R6917 68
E
SW+5V_2
D
C
B
L6905
JK6802
J0JBC0000019
5
R6947 4.7K
4
3
R6948
2
1
L6904
6
J0JBC0000019
7
A
1 2 3
: MAIN SIGNAL LINE :+B SIGNAL LINE
FL6901
A2BD00000160
FL DISPLAY
20 21 22 23 24 25 26 27 28 29 30 32 34
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 31 33
C6925
0.01
44 43 42 41 40
1 LED2
R6914
56K 2 LED3
3 LED4
C6906
4 LED5
100P
5 OSC
C0HBB0000057
6 DOUT
R6927 68
DISPLAY DRIVER
7 DIN
8 CLK
9
STB
10 K1
11 K2
12 13 14 15 16 17 18 19 20 21 22
Z6900
B3MAZ0000023
REMOTE SENSOR
3
Q6901
B1GBCFJN0033
LED DRIVE
R6928 R6926 R6925 R6924 R6923
2.7K 2.2K 1.8K 1.2K 1K
R6949 8.2K
8.2K
4 5
:-B SIGNAL LINE
37 39 40 41 42 43 44 45
35 36 38
39 38 37 36 35 34
G1
G1 33
P1
P1 32
P2
P2 31
-VP 30
P3
IC6901 P3 29
P4
P4 28
P5
P5 27
P6
P6 26
P7
P7 25
P8
P8 24
P9
P9 23
2 1 R6934
47
VREF
RMT
R6922
1K
KEY1
6 7 8
83
G
HEADPHONE CIRCUIT
L6801
J0JBC0000019
L6101
J0JBC0000019
HP-LCH
HP-RCH
L6201
J0JBC0000019
R6805 R6804 R6803 R6812 R6960
1K 1K 1.2K 1.8K 2.2K
KEY2
VR6800
EVEKE2F3024M
VOLUME ENCODER
S6808
OPEN/CLOSE
VREF_1
1 2 3
A B
S6805
JOG_A
DISC EXC
JOG_B
S6806
DISC SKIP
SA-HT640WP/PC FL/HEADPHONE CIRCUIT
9 10 1 1
SA-HT640WP / SA-HT640WPC
CN6901
DGND
9
KEY2
8
E
7
TO
VREF_1
6
JOG_B SUB POWER
5
(CN5705) on
JOG_A
4
SCHEMATIC
HP-RCH
3
DIAGRAM-13
AGND
2
HP-LCH
1
JK6801
7
6
L6102
1
G0C330KA0065
2
3
L6202
4
G0C330KA0065
5
CN6902
STBY_LED
1
KEY1
2
3
VREF
4
RMT
5
F+
6
F-
7 E
TO
8
SW+5V_2
SUB POWER
9
FL_IC_IN
CIRCUIT
10
FL_IC_CLK
(CN5707) on
11
FL_IC_STB
SCHEMATIC
12
-VP
DIAGRAM-13
13
WIDE_LED
14
LED1
15
NC
16
NC
17
NC
18
NC
19
H6901
B
MPORT-RCH
TO
1
AGND
2 MAIN CIRCUIT
MPORT-LCH
(CN2013) on
3
SCHEMATIC
DIAGRAM-9
12 13