Yamaha GX-900, Service Manual

Page: 101 / 103

A B C D E F G H
1
2
3
4
5
6
GX-900
REMOTE CONTROL TRANSMITTER
■
SCHEMATIC DIAGRAM
R1
2.2
Ω
KI/O6
KI/O7
S0
REM
VDD
X OUT
X IN
VSS
KI/O5
KI/O4
KI/O3
KI/O2
KI/O1
KI/O0
KI3
KI2
KI1
KI0
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC1:
µ
PD64GS–470
C1
47
µ
F
3(V)
Q1
IED1
K5
K9
K13
K21 K22 K23
K25
D1
D2
D3
D4
RESET
S1/LED
K1
K6
K2
K10
K14
K26
K7
K15
K27 K28
K29 K30 K32
K3
K8
K12
K16
K4
K37 K38 K39
K41
K49
K45 K46
K53
K57
K33
K42
K54
K58 K59
K34 K36
K40
K52
K56
K51
K55
K35
X1
3.64MHz
J2
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
21
22
23
25
26
27
28
29
30
2 2
3 3
4 4
5 5
PROG (CD) B
R. TIME (CD) C
EDIT (CD) D
+10 E
REPEAT (CD)
RANDOM (CD)
TUNER
T E (CD)
Y R (CD)
A
(CD)
L (CD)
INPUT MODE (MD)
M–MARK (MD)
SCROLL (MD)
DIRECTION (TAPE) MD EDIT
MUSIC
VOLUME
,
/ I POWER
SLEEP
INPUT
N
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
12
13
14
15
0B
08
09
1A
0C
07
4B
04
03
01
02
D5
D6
D7
D8
5A
1E
0F
4F
40
FUNCTION
Key
No. CUSTOM
(HEX)
DATA
(HEX)
VOLUME .
:
REC/PAUSE (TAPE)
E (TAPE)
R (TAPE)
A
(TAPE)
W (TAPE)
K REC/PAUSE (MD)
T E
(MD)
Y R (MD)
A (MD)
L
ENTER (MD)
YMERSION
BASE BOOST
INPUT
B
1 1
6 6
7 7
8 8
9 N PRESET
0 B PRESET
TIME (CD) A
MODE
DISC SKIP
32
33
34
35
36
37
38
39
40
41
42
45
46
49
51
52
53
54
55
56
57
58
59
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
78
1F
46
45
44
41
42
D4
D3
D2
D0
D1
5B
85
5E
11
16
17
18
19
10
0A
5D
0D
FUNCTION
Key
No. CUSTOM
(HEX)
DATA
(HEX)
1
1
A B C D E F G H I J K L M N O
P Q R S T U V W X Y Z /
2
2
3
3
4
4
5
5
6
6
7
7
8
8
R. TIME
C
EDIT
D
+
I0
E
MODE REPEAT RANDOM
SPACE
TUNER
DISC SKIP
POWER SLEEP
INPUT VOLUME
9 0
PRESET
TIME
A
PROG
B
CD
/I
YMERSION BASS BOOST MUSIC
INPUT MODE M–MARK SCROLL
TAPE
MD
REC/PAUSE
ENTER DELETE REC/PAUSE
DIRECTION
MD EDIT
SYS20
121 122
■
NX-GX500 EXPLODED VIEW
2
2-3
2-4
13
9
12
12
5
13
12
12
4
1
9
8
3
Ref.
No.
PART NO. Description Remarks Markets
New Parts
*
* 1 V3592800 SPEAKER CABINET CH
* 1 V3592900 SPEAKER CABINET BL
* 2 V3593000 FRONT GRILLE ASS’Y CH
* 2 V3593100 FRONT GRILLE ASS’Y BL
2-3 V2192200 EMBLEM YAMAHA
2-4 VP161000 PUSH NUT SPN1.5
* 3 V3594000 SPEAKER TERMINAL 213-S5305
* 4 XV819A00 LOUD SPEAKER JA05U1 5cm
* 5 XV821A00 LOUD SPEAKER JA13590 13cm
* 8 V3490500 FRONT PANEL
* 9 V3594600 CATCHER
12 EP030580 BINDING HEAD TAPPING SCREW 3.5x20 MFZN2-BL
13 EP040250 BIND HEAD TAPPING SCREW 4x16 ZMC2-BL
ACCESSORIES
* V3593700 SPEAKER CORD ASS’Y