Panasonic SA-AK770PL Service Manual page 96

SA-AK770PL / SA-AK770GCP
18.3. (C) Panel Circuit
1 2 3
SCHEMATIC DIAGRAM-6
A
PANEL CIRCUIT
: +B SIGNAL LINE
1
CN6001
B
27 26 25 24
DGND
R6458
1K
D6458 R6200
R6100
10K
B3AAA0000803 10K
POWER_LED
KEY1
C6940 0.1
KEY2
S6100
R6101
POWER
C R6201
1.2K
S6101
S6201 0
R6102
DISPLAY
OPEN/CLOSE
1.5K R6202
S6102 S6202 2.7K
R6103
SUBWOOFER EXCHANGE R6203
2.2K
2.2K
S6203
1 2
R6104
R6204
CD_1
3.3k 3.3K
S6204
C6609
0.1
R6205
CD_2
4.7K
R6106
S6205
4.7k
S6106
CD_3 R6206
D
6.8K
TAPE REC P0
S6206
R6107
6.8k
CD_4 R6207
S6107
15K
S6207 KEY2_STOP
USB REC
FL_DOUT
CD_5
FL_CLK
R6619
FL_CS R6620
KEY1_A
E
Q6600
B1GBCFJN0033
LEVEL SWITCH
LED_GND
Q6600
VREF+
P0
LED_SUPPLY
4 3 2 1 4 3 2 1
F
CN6014
CN6012
1 4 1 4
TO TO
SIDE BAR (R) SIDE BAR (L)
LED CIRCUIT LED CIRCUIT
(CN6602) IN (CN6604) IN
G
SCHEMATIC SCHEMATIC
DIAGRAM - 7 DIAGRAM - 7
H
1 2 3
4 5 6
: -B SIGNAL LINE : MIC SIGNAL LINE
TO
MAIN CIRCUIT (CN2806) IN
SCHEMATIC DIAGRAM- 5
27
23 2221 2019 18 17 16 14 15 13 12 11 10 9 8 7 6 5 4 3 2 1
R6672
10 D6672
B0BC2R4A0006
FL6601
A2BB00000171
FL DISPLAY
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 33 34 35 36 37
4443 42 4140 3938 37 36 35 34
IC6601
GR10
1 P0 G10 33 C0HBB0000057
GR11
2 P1 G11 32
GR12 FL DRIVER
[44] VSS [34] G9
3 P2 G12 31
[35] G8
4 P3 VEE 30
SG16
5 OSC S16 29
R6618
IC6601 SG15
6 28
220 NC S15
SG14
DIN S14 27
7
220 SG13
8 CLK S13 26
470 [21] S8 SG12
9 STB [22] S9 S12 25
[12] VSS
SG11
10 K1 S11 24
SG10
11 K2 S10 23
12 13 14 15 16 17 18 20 19 21 22
C6614
0.01
C6938
R6300
10K 0.1
LED_SUPPLY
LED_GND
1 2 3 4 5 6 7 8
J6501A*
TO
TACT SWITCH
CIRCUIT
(J6501B*) IN
SCHEMATIC
DIAGRAM - 8
4 5 6
7 8 9
FLGND
R6671
22K
L6671
J0JBC0000019
38 39 40 41 42 43 44
C6608
0.1
VR6630
K9AA024A0008
BASS CONTROL
DGND
3 2 1 3
2 VREF+
1 RMT
C6300
1000p
C6634 C6633
100P 100P
R6632
10K
Q6641
B1GBCFJN0033
LED SWITCH
R6631
10K R6642
0
Q6641
R6641
LED_SUPPLY 4.7K
DBASS_LED
LED_GND
KEY1_A
1 2 3 4 5 6 7
R6109
47K
MIC_SW
ZJ6601
TO
MIC CIRCUIT
(CN6701) IN
SCHEMATIC
DIAGRAM - 10
7 8 9
96
10 11 12 13
J6001
TO
REMOTE SENSOR
CIRCUIT(J6001B*)
IN SCHEMATIC
DIAGRAM-8
D6641
B3AAA0001014
DBASS_LED
R6108
S6108 15k
D.BASS
SA-AK770PL/GCP PANEL CIRCUIT
10 11 12 13
14
A
B
C
D
E
F
G
H
14