Panasonic SA-AK770PL Service Manual page 98

SA-AK770PL / SA-AK770GCP
18.5. (F) Tact Switch Circuit, (G) Music Port Circuit & (H) Remote Sensor Circuit
1 2 3
SCHEMATIC DIAGRAM - 8
A
TACT SWITCH CIRCUIT
TO
PANEL CIRCUIT (J6501A*) IN
SCHEMATIC DIAGRAM - 6
J6501B*
B
1 2 3 4 5 6 7 8
VOL_LED_B
C
C6512
1000P
DVREF+_B
R6512
330
R6503
10K
D
R6501 R6502
12K 22K
R6511
180
1 2 3
E
Q6511
A COM B
B1GBCFJN0033
LED SWITCH
VR6500
EVEKE2F3524B
VOLUME JOG
F
REMOTE SENSOR CIRCUIT
Z6601
G
B3RAD0000146
TO
REMOTE SENSOR
J6001B*
PANEL CIRCUIT
(J6001) IN 1 2 3
DGND 3
SCHEMATIC VREF+ 2
DIAGRAM- 6 RMT 1
C6601 C6616
100p 50V22
H
1 2 3
4 5 6
: -B SIGNAL LINE : +B SIGNAL LINE
KEY2_STOP_B
R6208
47K
S6208
STOP/DEMO
S6300
FWD
R6301
S6301 1.2K
MANUAL_EQ
R6302
1.5K
S6302
REW
R6303
2.2K
S6303
TAPE
C6503 R6304
1000P 3.3K
S6304
TUNER
R6305
4.7K
R6306
6.8K
S6306
CD
R6307
15K
S6307
USB
R6308
47K
S6308
EXT_IN
: +B SIGNAL LINE
4 5 6
7 8 9 10
MUSIC PORT CIRCUIT
: MAIN SIGNAL LINE
MP_SW
MP_L
MP_R
CN6807
DGND_C
10
DGND 1
EJECT 2
PA_IN_R
3
MP_GND
PA_IN_GND
4
TO
MAIN CIRCUIT PA_IN_L 5
(CN2807) IN
PA_SW 6
SCHEMATIC
HP_SW
DIAGRAM- 5
HP_SW 7
HP_R
HP_R 8
HP_GND
HP_GND 9
HP_L
HP_L 10
1
C6803
0.1
C6821 C6822 C6823
0.01 0.01 0.01
S6820
EJECT
C6820
390P
ZJ6801
TO
MAIN CIRCUIT
1
(CN2001) IN
SCHEMATIC
2
DIAGRAM- 4
SA-AK770PL/GCP TACT SWITCH/MUSIC PORT/REMOTE SENSOR CIRCUIT
7 8 9 10
98
11 12 13
: MUSIC PORT SIGNAL LINE
5
C6851
L6851
0.1 J0JBC0000019
4
L6811 R6811 C6811
R
J0JBC0000019 0 1 3
L MUSIC PORT
2
C6815
L6812 R6812 C6812 0.01
J0JBC0000019 0 1
1
C6813 C6814 C6816
330P 330P 0.01
6
7
JK6810
5
C6863 L6863
0.1 J0JBC0000019
4
R
3
L6802
J0JBC0000019
HEADPHONE
L
2
L6801
J0JBC0000019
C6804
0.1 C6801 C6802
1
0.047
0.047
6
C6861
1000P
7
JK6800
C6810
390P
11 12 13
14
A
B
C
D
E
F
G
H
14