Panasonic SA-AK18 Service Manual page 50

SA-AK18
D Signal Line
14 15 16 17 18 19 20 21 22 23 24 25
Q602
((8.5V))<8.5V> 8.5V((8.4V))<8.5V>
R695
R679
7.8V
390 22K
((7.7V))
<7.8V>
R694
1.5K
D617
SLR325DCT31
Q602
KTA12710YTA
POWER SUPPLY
R682
4.7K
: MIC Signal Line
FL600
RSL0295-F
P21 9G P22 P32 7G
28 29
26 27 30 31 32 33 34 35 36 37 38 39
Z602
RCDRPM6937H4
REMOCON
O G Vdd
1
2 3
D625
RVD1SS133TA
C674
C622
D621
50V4.7
0.01
RVD1SS133TA
R696
47
RMT
LED9V
R686
22K
VBASS/LV1
C624
SER1
6.3V100
SER2
C623
R678
1000P
VREF+
680
CD
C625
6.3V1000P
MUTEA
PCONT
D630
MA723TA
SYS6V
C626
1000P
VREF+
R689 100
KEY4
R690 100
KEY1
R691 100 KEY2
R692 100 KEY3
C627
0.01
1G 13G
10G
40 41 42 43 44 45 46 47 48 49 51 52 53
C634
35V22
-23V ((-28V))
<-28V>
80 79 78 77 76
81
-25V((-23.5V))<-27.5V>
82
SEG12
-27V((-27V))<-25V>
83 SEG11
-30.5V((-28V))<-30V>
84 SEG10
-27.5V((-27.5V))<-30.5V>
85 SEG9
-30V((-28V))<-30V>
86 REG8/SEG8
-14V((-16V))<-14.4V>
REG7/SEG7
87
-23V((-28V))<-20V>
88 REG6/SEG6
-30V((-28V))<-30V>
89 REG5/SEG5
-28V((-30V))<-30V>
90 REG4/SEG4
-30V((-30V))<-30V>
91 VCC
4.8V((4.8V))<4.8V>
92 REG3/SEG3
-25V((-25V))<-25V>
93
REG2/SEG2
-23V((-28V))<-25V>
94
REG1/SEG1
-25V((-23.5V))<-27.5V>
L603
95
REG_IN (EECS)
3.3 H
0V((0V))<0V>
96 EEDATA
0V
97 EECLK
((0V))
C629
<0V>
330P 98 VEE
0V((0V))<0V>
AVSS
99
5V((5V))<5V>
100 VREF
1 2 3 4 5
C630 560P
C631 560P
4.9V
((4.9V))
C665 560P <4.9V>
VREF+
C628
10V22
50
R949
330
100K
R698
330
-28.3V
((-28.3V))
<-28.3V>
Q605
62 61
75 74 73 72 71 70 69 68 67 66 65 64 63
IC600
IC600
M38199MF227
SYSTEM CONTROL/
FL DRIVE
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
D646
RVD1SS133TA
D629
RVD1SS133TA
R697 C642
220K 16V10
VR600
EVEKE2F3024B
Q605,Q606
KTC3199GRTA
FL DRIVE
R964
330
-28.1V Q6
R907
((-28.1V))
<-28.1V>
-28.1V
R914
((-28.
100K
<-28.1
4.2V
((4.2V))
<4.2V>
-28.3V 4.2V
((-28.3V)) ((4.2V
<-28.3V> <4.2V
60 59 58 57 56 55 54 53 52 51
CHG_
CHG
CHG
2.3V((2.3V))<2.3V
2.3V((2.3V))<2.3V
2.4V((2.4V))<2.4V
X
1.7V((1.7V))<1.7V
4.9V((4.9V))<4.9V
/R
EC
D
21
22 23 24 25 26 27 28 29 30
R911
47K
C647
0.01
R961
10K
C667
0.01