Yamaha R-N500 Service Manual page 90

A B
R-N500
■ REMOTE CONTROL
1
SCHEMATIC DIAGRAM
In-system programming point
VCC
R3
+
10 ohms C1
D1 47 uF
IR_DIODE
Q1
2 R9
56 k-ohms
R8
R1
56 k-ohms
DC6688F62SET
ZONE2
1 ohm SW1
1
MAIN
PD2
ZONE3
OPTION1
2
VSS
3
XOUT
4
XIN
R4
5
ISPSEL
Not mounted R5
1M ohms
6
PA0
1M ohms
7
R6 PA1
8
330 ohms
PA2
3
9
PA3
X1
8.00 MHz
10
PA4
1 3
11
PA5
12
2
PA6
13
PA7
14
PC4
4
5
6
7
90
C D
MODEL OPTION1 OPTION2
VCC
RAV491 X O
X X
RAS9
TV INPUT 9
OPTION2
R7
C2 4.7 k-ohms
78 74 75
0.1 uF
1 5
R2
66 70 71
DISC
100 ohms
SKIP
D2
U1
LED 62 58 59
DISPLAY
28
PC3
27 48 51 52
VDD
SETUP HOME
26
PC2/T2
25 44 40
REM/PC1
SHUFFLE REPEAT
24
PC0/T0
23
36 37
PB7
FM
22
PB6
24 25
21
PB5
LINE TUNER CD
20
PB4 1
19 16 20 21
PB3
COAX ID DIMMER
18
PB2 1
17 12 8 9
PB1/TXD0
CODE
16
PB0/RXD0 SET
SW2
15
PC5
TV MUTE TOP POP-UP
MENU MENU
82 55 56
E F
0 TV VOL +10 TV CH ENT TV
+ +
79 76 80 77 81
6 2 7 3 8 4
67 72 68 73 69
63 60 64 61 65
ENTER RETURN VOLUME
-
49 53 50 54
NOW
OPTION VOLUME
PLAYING
+
45 42 46 47
MODE
38
AM MEMORY PRESET PRESET TUNING TUNING
29 26 30 27 31
LINE USB LINE NET PHONO
2 3
17 22 18 23 19
COAX SPEAKERS OPT SPEAKERS OPT
2 A 1 B 2
13 10 14 11 15
SOURCE SLEEP RECEIVER
1 2 3
TV VOL TV CH MUTE
- -
83 84 57
G H
PANEL
RAS9
I J