A
B
C
D
E
F
G
H
1
2
3
4
5
6
GX-500/GX-500VCD
VOLUME LEVEL
CONTROL
GEQ
IC7
INPUT
SWITCH
IC3
MUTE
Q23.24
SPEANA
IC26
MUTE
Q21
PROTECTION
MIC MIXING
D.ECHO
IC801
U801
FL DISPLAY
V801
KEY CONT
SW801-807,812-818
820-824,826-836
9.0V
-12V
FL
DRIVER
IC815
u5.6V
IC8 49,17,16
CONT
TUCE,TUDO,TUCLK
7
1
5
3
20
SMUTE
5.0V
SW
OUT
IC8 59
HP AMP
IC10
HP,IC8 85
IC8 11
THER
IC11
RY201
18
22
17
14
15
AUX
3
8
MIC1
9
8
4
4
6
2
8
2
8
IC802
IC403
BASS
VR804
MIC VOLUME
VR801
4
6
31
32
36
35
21
28
22
18
Q6,15
Q5,7
12
1
14
5
15
2
11
4
AUX
TUNER
TAPE
CD
13
3
IC8 67
3
5
4
9
1
7
RECA
Q29,30
9,10
IC8 66
12,13
49
64
24 25 26
5,6
14
36
15
34
13
RECB
4
6
2
8
23
24
19
TREBLE
VR802
AMPMUTE
IC8 24
IC8 90
IPRT
20
|
22
25
26
18,19,30,34
CD CONTROL
TUNER CONTROL
16
17
46
ROTARY
ENCODE
SW825
VOL.
REMOCON
Q803
32
27
28
10
|
13
DATA
CLOCK
KLATCH
ST
ANDBY
D802
40,41,42
7,12
71 - 80,87 - 89,92 - 97
3
DECK CONTROL
Q26
Q218
4 - 8
CDB
48
49
12
13
12V
+12M
TIMER
D803
-LB
81,82
-12V
Q207
D213
u5.6V
IC8 58
+LB
SPON
+HB
D211
D212
-27V
-HB
Q206
IC8 57
PRON
RY203
T202
F217
F201
Q804
32.768MHz
XL401
8MHz
XL402
38
39
37
36
(VCD only)
SYSTEM CPU
IC8
+
-
-
+
TE201
SPEAKER
K9V
Q204
Q25
HP JACK
JK803
5.0V
15
INIA
INIB
IC8
62,63
POWER AMP
IC201
TUNER
TAPE PB
CD
TAPE REC
IN
REC
REC
SWITCH
IC5
YMERSION
TONE.CONT.
IC814
11
12
MUTE
Q801
Q802
MUTE
Q201
Q202
86
MIC2
1
3
JK801
JK802
SW812
VCDonly
+12M
12V
-27V
5.0V
K9V
50
51
VPR
T
+12M
12V
-12V
-27V
9.0V
K9V
U5.6V
5.0V
13
|
16
1
|
12
14
|
64
32
VP
-27V
1
2
58
59
FAC1
FAC2
IC8 15
VPRT
SUBB
D215
T203
IC8 29
ACIN
±
HB
±
LB
Q33
9.0V
D,SEL
SW2
(R,T)
MIC SW
8
RY201
RY203
61
29
57
58
SPON
PRON
ACIN
85
HPIN
62
66
63
67
INIA
INIB
RECA
RECB
(notVCD)
90
IPRT
24
59
AMPMUTE
SMUTE
11
THER
16
17
49
■
BLOCK DIAGRAM
38
39