Yamaha RX-V800 Service Manual page 55

A B
SCHEMATIC DIAGRAM (POWER)
1
2
3
4
E-62/J-58
C8
5
6
7
IC1: LC72722 IC351: NJM7812FA
RDS Decoder IC353: NJM7805FA
Voltage Regulator
1 5 6
VDDA 3 CLOCK 14 VDDD
+ PLL
RECOVERY
REFERENCE (57kHz)
(1187.5Hz)
VOLTAGE
VSSA
4 15 VSSD
VREF
57kHz
ANTIALIASING SMOOTHING DATA
MPX IN 2 bpf 19 RDS-ID
FILTER FILTER DECODER
8 (SCF)
DO
20
CL 21 SYNC
RAM ERROR CORRECTION SYNC/EC 18
DI 22 CCB (24 BLOCK DATA) (SOFT DECISION) CONTROLLER
24 SYR
CE 23
CLK(4.332MHz)
T1
7 MEMORY
CONTROL
T2 8
TEST SYNC SYNC
T3 9 DETECT-1 DETECT-2
OSC/DIVIDER
T4 10
11 16 17 13 12
9
C D E
E-62/J-58
C8
17.7
0
AC -17.7
29.4
AC
16.3
9.2
-0.1
-9.7
IC352: NJM79M12FA
IC355: NJM79M05FA
Voltage Regulator
INPUT
OUTPUT
COMMON
F G
POWER RELAY
AC
13.2
13.1
0
0
0.7
0
REGULATOR
17.1 12.0
0
0 0
-17.3 -12.0
5.0 8.6 5.0
8.4
0
0
-0.1
0
-9.2 -4.8
IC354: NJM78M05FA
Voltage Regulator
COMMON V IN
OUTPUT
V
OUT
INPUT
GND
H I J
VOLTAGE SELECTOR
240V 1-2/5-6
220V 2-3/6-7
110V 3-4/7-8
120V 4-5/8-1
# All voltage are measured with a 10MΩ /V DC electric volt meter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
K L
RX-V800/RX-V800RDS/HTR-5280/DSP-AX8
x: NOT USED
O: USED / APPLICABLE
E-68/J-64