Yamaha HTR-5280 - AV Receiver - 5.1 Channel Servis Kılavuzu - Sayfa 41

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Sayfayı Yazdır
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
RDS-ID
19
8
FILTER
FILTER
DECODER
(SCF)
DO
20
CL
21
18
SYNC
RAM
ERROR CORRECTION
SYNC/EC
DI
22
CCB
(24 BLOCK DATA)
(SOFT DECISION)
CONTROLLER
24
SYR
CE
23
CLK(4.332MHz)
T1
7
MEMORY
T2
8
CONTROL
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 10M /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