D) Fl And Headphone Circuit - Panasonic SA-HT640WPL Service Manual

18.4. (D) FL and Headphone Circuit

SCHEMATIC DIAGRAM-14
F
FL CIRCUIT
:
H
R6939
0
F-
R6940
0
F +
G
L6903
J0JBC0000041
-VP
F
FL_IC_IN
FL_IC_CLK R6916
FL_IC_STB R6917 68
E
SW+5V_2
D
C
B
L6905
J0JBC0000019
JK6802
5
R6947 4.7K
4
3
R6948
2
1
L6904
6
J0JBC0000019
7
A
1 2 3
MUSIC PORT SIGNAL LINE : MAIN SIGNAL LINE :+B SIGNAL LINE
FL6901
A2BD00000160
FL DISPLAY
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
C6925
0.01
44 43
1 LED2
R6914
2 LED3
56K
3 LED4
C6906
4 LED5
100P
5 OSC
6 DOUT
R6927 68
7 DIN
68
8 CLK
9 STB
10 K1
11 K2
12 13 14 15 16 17 18 19 20 21 22
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
33 34 35 36 37 38 39 40 41 42 43 44 45
42 41 40 39 38 37 36 35 34
G1
G1 33
P1
P1 32
P2
P2 31
-VP 30
P3
IC6901 P3 29
P4
C0HBB0000057
P4 28
P5
DISPLAY DRIVER
P5 27
P6
P6 26
P7
P7 25
P8
P8 24
P9
P9 23
Z6900
B3MAZ0000023
REMOTE SENSOR
3 2 1 R6934
47
VREF
RMT
R6922
1K
KEY1
6 7 8
85
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
B
A
S6805
JOG_A
DISC EXC
JOG_B
S6806
DISC SKIP
9 10 1 1
SA-HT640WPL
CN6901
DGND
9
KEY2
8
E
7
VREF_1 TO
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
MAIN CIRCUIT
2
MPORT-LCH
(CN2013) on
3
SCHEMATIC
DIAGRAM-9
SA-HT640WPL FL/HEADPHONE CIRCUIT
12 13