Yamaha RX-V381 Service Manual page 121

A B
1
SCHEMATIC DIAGRAM
RAV549
BATTERY
3.0V
C1
+
47 uF
C2(1005)
2
0.1 uF
0-ohm BL2(1005)
C3(1005)
0.1 uF
IC1
DC6688F2SER
SL 1 20
VSS VDD
2 19
PB2 REM
ZONEA SW1
3 18
PC2 PA0
ZONEB
4 17
XIN PA1
R3(1005)
5 16
XOUT PA2
1.5 k-ohms
6 15
PA3
X1 PC0
4.00 MHz
7 14
PB0 PA4
3 T1
8 13
PA5
PB1
9 12
PR1 PA6
10 11
PB7 PA7
12
4
5
6
7
C D
Q1
R1(3216)
2-ohms
D1
100-ohms
R2(3216)
R4(3216)
BL1(1005)
SLEEP ENHANCER INPUT POP-UP/ TUNING
MENU
1 9 17 25 33 41
RECEIVER BASS USB ENTER RED
2 10 18 26 34 42
BD PROGRAM VOLUME GREEN
DVD
3 11 19 27 35 43
TV PROGRAM RETURN YELLOW TUNING
4 12 28 36 44
INPUT MUTE BLUE
CD
5 13 21 29 37
RADIO FM SETUP DISPLAY SKIP PRESET
6 14 22 30 38 46
STRAIGHT VOLUME TOP MENU PLAY PRESET
7 15 23 31 39 47
AM OPTION HOME SKIP
16 24 32 40
E F G
PANEL
RAV549
(T model)
H I
Remote control sheet
J
RX-V381/HTR-3069
121