Yamaha DSP-AX630, Руководство по обслуживанию

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RX-V730/RX-V730RDS/RX-V630/RX-V630RDS
HTR-5560/HTR-5560RDS/DSP-AX630/DSP-AX630SE
A
1
2
3
4
5
6
7
8
9
B C D E F G H I J K L
68
SCHEMATIC DIAGRAM (FUNCTION 2/2)
★
All voltages are measured with a 10M
Ω
/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.
x: NOT USED
O: USED / APPLICABLE
Point 3 Pin 3 of IC806
IC502: LC78211
Analog Function Switch
1
2
3
4
5
6
7
8
9
10
11
30
29
28
27
26
25
24
23
22
21
20
19
16
12
18
17
14
15
13
LEVEL SHIFTER
LATCH
CONTR
OL
SHIFT REGISTER
ZZ
ZZ
ZZ
L1
L2
L3
L4
LCOM1
L5
L6
L7
L8
RES
S
VDD
VSS
VEE
LCOM2
LCOM3
R1
R2
R3
R4
RCOM1
RCOM2
RCOM3
R5
R7
R8
D1
CL
CE
R6
IC551, 802, 803: TC74HC4051AFEL
Analog Multiplexer/Demultiplexer
16
VCC
6
INHIBIT
11
3
9
A
C
B
8 GND
7
VEE
13 0
14 1
15 2
12 3
1 4
5 5
LEVEL
CONVERTER
10
BINARY TO 1-OF-8
DECODER WITH INHIBIT
SW
SW
SW
SW
SW
SW
2
6
4
7
SW
SW
COM
INPUT STATES
INHIBIT
0
0
0
0
0
0
0
0
1
"ON" CHANNNEL
0
1
2
3
4
5
6
7
NONE
C
0
0
0
0
1
1
1
1
X
B
0
0
1
1
0
0
1
1
X
A
0
1
0
1
0
1
0
1
X
15
VOUT1
13 VOUT2
11 VOUT3
10 MUTE3
9 -VCC2
12 MUTE2
16 +VCC
14 GND
2 NFB1
4 VIN2+
6 -VCC1
7 VIN3+
8 NFB3
5 NFB2
1 VIN1+
3
MUTE1
DR 6dB
DR 6dB
DR 6dB
IC552: LA7108M
Video Amp
IC571: LC72722
RDS Decoder
+
REFERENCE
VOLTAGE
57kHz
bpf
(SCF)
CCB
TEST
PLL
(57kHz)
ANTIALIASING
FILTER
SMOOTHING
FILTER
RAM
(24 BLOCK DATA)
ERROR CORRECTION
(SOFT DECISION)
SYNC/EC
CONTROLLER
SYNC
DETECT-1
DATA
DECODER
CLOCK
RECOVERY
(1187.5Hz)
MEMORY
CONTROL
OSC/DIVIDER
VREF
CLK(4.332MHz)
SYNC
DETECT-2
VDDA
VSSD
VDDD
RDS-ID
SYNC
SYR
VSSA
MPX IN
DO
CL
DI
CE
T1
T2
T3
T4
T5 T6 T7
X IN
VREF FL OUT C IN
X OUT
3 14
15
19
18
24
1 5 6
4
2
20
21
22
23
7
8
9
10
11 16 17 13 12
IC807: LA7109
75
Ω Video Driver
35 VOUT1
33
VOUT2
31
VOUT3
30 MUTE4
29 -VCC4
32 DR CTL2
36
+VCC1
34
GND
2 NFB1
4
VIN2+
6 -VCC1
7
VIN3+
8
NFB3
28 N.C.
27 N.C.
26
+VCC2
9 N.C.
10
N.C.
11 VIN4+
5 NFB2
1
VIN1+
3 MUTE1
DR 6dB
DR 6dB
DR 6dB
25 VOUT4
23 VOUT5
21 VOUT6
20 MUTE3
19 -VCC3
22 DR CTL1
26
24 GND
12 NFB4
14 VIN5+
16 -VCC2
17 VIN6+
18 NFB6
15 NFB5
11
13 MUTE2
DR 6dB
DR 6dB
DR 6dB
RX-V730/RX-V730RDS
P
age 67
to FUNCTION (1)
FUNCTION (6)
FUNCTION (5)
C1
Page 67
to FUNCTION (1)
C7 Page 67
to FUNCTION (1)
D7
Page 74
to POWER (6)
C1
C-INPUT
SELECTOR
Y-INPUT
SELECTOR
SYNC SIGNAL
DETECTOR
S-SIGNAL DETECTOR
ON SCREEN IC
MUTE
FM/AM TUNER
8
4
1
7
2
3
6
5
1
8
4
3
2
7
6
5
3
0
0
0
0
0
0
0
0
0
0
0
-0.1
1.6
5.0
-4.8
0.8
0.8
0
0
4.9
0
0
-4.7
0
0
-4.7
-4.7
0
0
4.9
0
0
-4.7
0
0 -4.7
0
5.0
1.0
0.3
5.0
0
0.7
1.0
1.0
1.7
4.9
0.9 0
5.0
5.0 0 5.0 0 2.0 5.0
1.7
5.0
4.9
2.5 2.4
5.0
0
2.5
2.3
0
0
4.9
5.0
1.7
0
1.0
-0.7
0
4.9
-0.1
0
-0.1
-0.1
-0.1
4.9
-4.7
-4.7
-4.7
0
4.9
0
4.9
-0.1
1.0
1.0
1.6
0
0
0
0
0
0
0
0
0 0
0
0
0
4.8
1.0
1.0
0
0
0
0
0
0
0
0 0
0
0
0
0
0
0
5.0
0
11.6
-11.3
0
0
0
0
0
-0.1
-0.1
4.9
4.9
5.0
5.0
-4.8
-4.8
-4.8
0
0
0
0
0
0
0
0
0 0 0 0 0 0 0 0
0 0 0
0 0 0 0 0 0 0 0
0
0 0 0
-11.8
12.1 12.1 12.1
0 0
0 0
0.7 0.7
1.2
5.0
5.0
5.0
5.0 2.7
4.3
4.9
4.8
4.5
4.8
4.3
4.5
0
4.5
4.5
5.0
0
2.7
0
0
0 0
0 0
0
4.9 5.0
2.6
-4.8
0
0
5.0
0
4.9 0
-4.8
0
0
5.0
0
4.9 0
-4.8
0
4.3
4.3
1.1
-0.3
0.9
-0.5
0.2
-0.6
0 0
0
-0.6