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SCHEMATIC DIAGRAM - 20
POWER SWITCH CIRCUIT
Q607
B1GDCFJJ0002
LED SUPPLY SWITCH
(SYSTEM 6.0V)
R698
R697
2.2K
1.8K
D613
SLR325VCT31
D614-D618
B3ACA0000220
R665
R666
220
220
D614
D615
Q608
Q609
Q608-Q612
B1GBCFJN0004
LED DRIVER
(DISC1-DISC5)
Q605
B1GBCFJN0004
LED DRIVER
(WAKE)
Q604
B1GBCFJN0004
LED DRIVER
(PROGRESSIVE)
TO
MAIN CIRCUIT
(CN904) ON
SCHEMATIC
1
DIAGRAM-24
2
W904
HPGND
1
8
HP SW
7
HPR
3
HPL
2
PHONE SW
4
D.GND
5
JK603
HEADPHONE CIRCUIT
: +B SIGNAL LINE
: -B SIGNAL LINE
Q606
B1GBCFJJ0002
LED DRIVER
CONTROL SWITCH
(POWER ON/OFF LED)
R696
R695
R694
1.2K
1K
1K
R664
820
R668
R669
R667
220
220
220
D618
D616
D617
Q610
Q611
Q612
R649
180
D612
B3ADA0000087
Q605
R956
22K
R955
22K
L905-L910
J0JBC0000019
L905
C921
1000P
L906
L907
L909
C918
0.047
L910
C919
0.047
L908
: MAIN SIGNAL LINE
PANEL CIRCUIT
KEY1
KEY1
11
11
VREF-
VREF-
10
10
SYS6V
SYS6V
9
9
PCONT
PCONT
8
8
D.GND
D.GND
7
7
DISC5
6
6
DISC4
5
5
DISC3
4
4
DISC2
3
3
DISC1
2
2
1
1
MECHSI
MECHSO
MECHCK
MECHRQ
MECHCS
MECHRS
R607
220K
C604
16V10
VREF
1
MIC
2
DGND
3
PHONE_SW
4
MICSW
5
5V
6
TO
PHSW
7
MAIN CIRCUIT
HPL
8
(CN902)
HPGND
9
ON SCHEMATIC
HPR
10
DIAGRAM-22
MICVR
11
12
13
14
CN604
1
2
3
5
6
7
D664-D665,D668
B0ACCK000005
D664
D665
D668
R613
100
R614
100
100
R615
R616
100
R617
100
R618
100
R692
R691
R690
R689
R688
10K
6.8K
4.7K
2.7K
2.2K
8
9
10
11
12
13
14
15
80 79 78
81
AND8/REG8
AND7/REG7
82
83
AND6/REG6
AND5/REG5
84
85
AND4/REG4
AND3/REG3
86
AND2/REG2
87
AND1/REG1
88
89
-VP
90
MECHSI
91
MECHSO
92
MECHCK
93
MECHRQ
94
MECHCS
MECRST
95
96
REG_IN
AVSS
97
98
VREF
99
NC
100
CRT
1
2
3
C603 560P
C602 560P
R687
R686
R685
1.8K
1.2K
1K
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