Panasonic SA-VK31EE Service Manual page 62

SA-VK31EE
SCHEMATIC DIAGRAM - 11
PANEL CIRCUIT
R600
4.7K
: +B SIGNAL LINE
R601 R602
R603 R604 R605
1K 1K 1.2K 1.8K 2.2K
R611 R610 R609 R608 R607
68K 10K
22K 6.8K 4.7K
IC602
BR93LC46FE2
EEPROM IC
(NOT SUPPLIED)
1 8
2 7
IC602
3 6
4 5
C628
0.01
R681
10K
C636
0.01
16 15
IC601
C1BB00000574
I/O EXPANDER
R606
1
2.7K
IC603
C1BB00000086
SPECTRUM ANALYSER
18 17
R675
4.7K
1 2
C624
330P
C661 C660
50V0.1
50V0.1
62
R621
4.7K
C644
0.1
R623
4.7K
R622
4.7K
R619
14 13 12 11 10 9
4.7K
IC601
R618
1K
2 3 4 5 6 7 8
R620
D609
4.7K
B3ADA0000129
R614
1K
C635
100P
R613
1K
C634
100P
C656
0.01
16 15 14 13 12 11 10
IC603
3 4 5 6 7 8 9
C657
G0C100JA0030
0.01
R680
C658
C659
100K
50V0.1 50V0.1
SW5V
R617
4.7K
MUTEH
MUTEA
DMT
LED9V
MUTE_L
SER4
SER3
SPE
SP_C
SP_B
SP_A
DVREF+
L610
SPEA