Panasonic SA-DK10 Service Manual page 62

SA-DK10
SCHEMATIC DIAGRAM - 27
TACT SWITCH 1
CIRCUIT
R927 R926
10K 6.8K
R932 R928
150 150
R933 R929
150
150
R934 R930
150
150
R935 R931
150
150
R936 R937
150
150
R952 R938
150 120
D615-D619,D621
SLR325MCT31W
9 10
8
R964
270
IC604
BU2090AF-E2
IO EXP 1
D622-D624,
D631,D632,D635
SLR325MCT31W
R942
D631 D632
330
R943
330 D624 D623
R944
D635
330
R963 R962
22K 10K
TACT SWITCH 2
CIRCUIT
: +B SIGNAL LINE
R925 R924 R923 R922 R921
4.7K 2.7K 2.2K 1.8K 1.2K
D615
H603A
/W603
D616
1 1
VREF-
D617 2 2
KEY3
3 3
CTR_+B
D618
4 4
DISC5
5 5
DISC4
D619
6 6
DISC3
7 7
D621 DISC2
8 8
DISC1
9 9
CINEMA
H603B
/W603
R957 R959
R610 R611
120 120
1K
R955 R956
150 150
C601
D629
D627
100P
11 12 13 14 15 16
R625
1.2K
IC604
7 6 5 4 3 2 1
R627
2.7K
C651
100P
C652
100P
R958
R945
100
1K
R946
1K
R629
D627-D629,D633-D634,D637
47K
SLR325MCT31W
IC602
M62457AFPE1
SPECTRUM ANALYSER
10 9 8 7
CN602A
10 9 8 7
VR601
EVEKE2F3024B
D622 A COM B
1 2 3
R961 R960 R973 R972
6.8K 4.7K 2.7K 2.2K
: -B SIGNAL LINE
: MAIN SIGNAL LINE
LED CIRCUIT
PANEL CIRCUIT
D630
W700
D620,D630
SELS5923C 1 1
2 2
D620
CN700
IC603
BU2090AF-E2
IO EXP 2
DISC5
8 DISC4 9
(6.92V) (6.95V)
((6.91V))6.97V ((7.17V))7.16V
7 DISC3 NC 10
(3.6V)
(7.08V)
((3.98V))3.76V
((7.14V))7.15V
DISC2
6 PL_L 11
(9.5V)
((9.51V))9.46V
DISC1 MRT_L
5 12
(0.4V) (9.52V)
IC603
((0.4V))0.4V ((9.53V))9.53V
4 13
DGTL DMT
(3.66V) (2.45V)
((4.08V))3.91V ((2.45V))2.45V
CLK
3 REC_H 14
(0V) (0V)
((0V))0V ((0V))0V
1K
DATA BPOUT
2 15
(0V) (0V)
((0V))0V ((0V))0V
GND
1 VCC 16
C602 (0V) (5.05V)
((0V))0V ((5.05V))5.06V
100P
R607
R624 R623
R613 1K
1K 1K
1K
R626 R617 R615 R614
R616
2.2K 1.8K 1K
1.2K 1K
R682 10K
SER1
R683 10K
C635
SER2
R684 10K
0.01
R630
KEY2_1
C674
47K
0.1
-VREF
JOG1B
JOG1A
RMT
CTR_+B 16 15 14 13 12 11 10 9
IC602
1 2 3 4 5 6
C632
50V0.10P
6 5 4 3 2 1
CN602B
6 5 4 3 2 1
C945
50V1
C638
0.01
3 2 1
Z601
RCDRPM6937V4
REMOCON
62
1 3 5 6 8 9 10 11 12 13 14 15
R631
120
C637
50V3.3
R632
100
KEY3_1
(-22.86V)
((-22.88V))-25.14V
(-25.14V)
((-25.14V))-25.64V
(-27.42V)
R612
((-27.41V))-27.38V
100
(-24.07V)
((-24.08V))-24.05V
(-24.06V)
C603
((-24.07V))-24.04V
(-14.84V)
0.1
((-14.85V))-14.87V
(-25.12V)
((-25.12V))-27.39V
SER1
(-22.87V)
((-22.86V))-22.85V
(-27.6V)
SER3
((-27.62V))-27.61V
R909 100
KEY3_1 ((0V))0V
BP
R908 100
((2.21V))1.85V
KEY3
REC_H
R906 100
((2.2V))2.47V
KEY2_1 DMT
(1.58V)
R905100
((1.58V))1.12V
MRT_L
(1.81V)
R641 100
((1.82V))1.44V
PL_L
(4.87V)
R995 100
((4.88V))4.81V
KEY2
(4.88V)
R642 100
((4.88V))4.87V
-VREF
-VREF
((0V))0V
(5.07V)
VREF
KEY1_1
((5.06V))5.04V
R643 100
((0V))0V
KEY1
R644 100
((0V))0V
CTR_+B
SP_C
SP_B
SP_A
C610 560P
C607 560P
C606 560P
C605 560P
C604 560P
R645 10K
7 8
R646 10K
R647 10K
C633
16V10
16 17 18 19 20 21 22 23 24
80 79 78 77 76 75 74 73 72
SEG25
SEG26
81
82 SEG27
SEG28
83
84 SEG29
85 SEG30
SEG31
86
87 SEG32
SEG33
88
-VP
89
MECHSI
90
(0V)
MECHSO
91
(2.2V)
MECHCK
92
(2.2V)
MECHRQ
93
94 MECHCS
MECRST
95
96 SER8
AVSS
97
(0V)
VREF
98
99 SER7
(0V)
SER6
100
(0V)
(AN5)
SER5
1 2 3 4 5 6 7 8 9
R914
100
SP_IN