Panasonic SA-AK22 Service Manual page 63

SCHEMATIC DIAGRAM - 7
TACT SWITCH (1)
CIRCUIT
Z940
RCDGP1U26XV
REMOTE
CONTROL
SENSOR
O Vdd G
1 2 3
C941
0.01
D949
C940
SLR325DCT31
1000P
R949
D949
470
RMT
9 9
VREF+
8 8
NAS_LED
7 7
CD_LED
6 6
TAPE_LED
5 5
TUNER_LED
4 4
CTL_+B
3 3
SUB_K1
2
2
R961
GND
S940
R940
1 1
22K
AUX
2.7K
H940B
/W940B
H940A
R941
/W940A
S941
4.7K
TUNER
R942
/BAND
6.8K
S942
R943
TAPE
10K
S943
R944
CD
22K
R945
68K
S945
SSEQ
VR900
EVEKE2F2524B
JOG VOL
R900
A COM B
1 2 3
D917
C900 C919
D918
100P
100P
R904
R905
2.2K 1.8K
R913 R912 R911 R910 R909
6.8K 4.7K 2.7K 2.2K 1.8K
S913 S912 S911 S910
TUNE TUNE MEMORY FM
UP MODE MODE
TACT SWITCH (2) CIRCUIT
: +B SIGNAL LINE
PANEL CIRCUIT
R960 R959 R957 R956 R955 R954
R958
10K 6.8K 4.7K 2.7K 2.2K 1.8K 1.2K
R950
10K
S950
D2 EJECT
V_JOG_A/B
GND
22K
SUB1_K2
R919 D914-D918
12K
SLR325MCT31W
SUB_K1
D914
D915 R914 470
G2
D916 R915 470
R916 470
R917 470
CTL_+B
R918 470
R903 R902
R901
1.2K
1K 1K
R908 R907 R906
1.2K 1K 1K
S909 S908 S907 S906
TUNE TAPE REV REC/
DOWN EDIT MODE STOP
: MAIN SIGNAL LINE
1 2 3 4 5 6 7 8
C600
35V22
R953 R952
1K 1K
R951
22K
IC601
BU2090AF-E2
IO EXPANDER IC
CP900
1 1
2 2
3 3
K2
4 4
8 7 6
K1
5 5
6 6
G1
7 7
8 8
G3
9 9
G4
9 10 11
10 10
G5
11 11
12 12
CN900
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Q600
(9.21V)<9.22V>
(9.21V)<9.21V>
9.21V((9.16V))
9.2V((9.15V))
[9.23V] R624
[9.21V]
22K
(8.47V)<8.47V>
8.46V((8.47V))
[8.47V]
R623
1.5K
RMT
LED9V
LED_CTL
Q600
KTA12710YTA
SUPPLY SWITCH
LED +9V
NAS_LED
CTRL_+B
R628 R629 R630
10K
10K 10K
R631 100
R632 100
R633 100
D605
SLI325URCT31
R680
10K
R634
1K
R635
C606 C607 1K
100P 100P
R605
<0V>(0V)
3.9K
((0))0V
5 4 3 2 1
D605
IC601
R636
12 13 16
14 15
100
1 2 3 4 5 6
H920A/W920A
H920B/W920B
1 2 3 4 5 6
L920
ELEXT101KA04
921
RLQB101JTD-D
L922
ELEXT100KA04
C648
1000P
L920 L921 L922
C920
0.022 C921
0.022
R920
68K
S920
CD
EJECT
4 2 3 6 7 1
5
JK920
HEADPHONE
HEADPHONE CIRCUIT
FL600
RSL0314-F
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
D692,D696
RVD1SS133TA
D696
D692
C608
R637
330P
22K
C609 6.3V100
C610 0.1
R638
C611 680
6.3V1000P
D610
C612
MA723TA
1000P
KEY1
KEY2
KEY3
V_JOG_A/B
DVREF+
SER2
SER1
SYS6V
CD1
NAS_LED
LED_CTL
NAS_B
NAS_A
VREF+
PCONT
MUTEA
R681
10K
SW600
ESE24SV2
HPL
JOY JOG
HPR
HP_GND
HPSW
A COM B
1 2
3
R682
12K
R683
22K