Yamaha DSP-AX1600, Руководство по обслуживанию

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A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V1600/DSP-AX1600
SCHEMATIC DIAGRAM (FUNCTION 1/2)
101
★
All voltages are measured with a 10M
Ω
/V DC electronic 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.
IC302 : LC72722PM
RDS Signal Processor
REFERENCE
VOLTAGE
57 kHz
bpf
(SCF)
CCB
TEST
PLL
(57 kHz)
ANTIALIASING
FILTER
SMOOTHING
FILTER
RAM
(24 BLOCK DATA)
ERROR CORRECTION
(SOFT DECISION)
SYNC / EC
CONTROLLER
SYNC
DETECT-1
DATA
DECODER
CLOCK
RECOVERY
(1187.5 Hz)
MEMORY
CONTROL
OSC/DIVIDER
VREF
CLK (4.332 MHz)
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
2
1
3
Vref
VOUT
GND
VIN
–
+
IC571 : RH5RE58AA-T1-FA
Voltage regulator
5.3
12.4
0.1
0.1
-6.0
6.1
9.1
-6.6
9.7
0
0
12.2
4.3
-12.0
5.7
5.1
0
9.0 5.8
5.1
5.1
4.4
4.4
4.4
3.8
5.1
5.1
0
3.2
4.7
0.1
0
0
5.1
5.1
1.6
0.5
0
0.1
0
0
0
5.1
5.1
3.6
0.3
1.6
0
4.9 0.1 5.4 5.1
0 0 0
5.0
0 0 0 0
5.1 0 0 5.1 5.1 5.1 5.0 4.9 5.1 4.9 0 4.9 4.8 0 4.9 0 0 0
0
4.9
0.1
0
4.7
0.1
0.1
0.1
0.1
4.9
0.1
4.9
0.1
5.1
0
0.1
1.0
1.8
1.6
0
5.1
5.1
4.1
5.1
5.1
4.9
0.1
0.1
0
0
1.0
0.5
0
~
~
4.8 3.6
0 0
0
~
4.9
0 0
4.9 4.9
0
4.9 2.6 2.4 4.9 5.1 5.1 4.8 4.3 4.8 0.1
0
5.1 0.1 5.0
0 0
0 4.9 4.9 4.9 5.1
4.8 4.9
0
0
4.9
4.9
4.9
4.9
4.9
4.9
4.9
5.1
4.9
0
0
5.1
4.8
0
0
0
0
5.1
5.1
5.1
5.1
4.9
4.8
3.9
5.0
5.1
4.9
4.9
5.1
0
0
0.1
4.9
4.9
0
5.1
5.1
5.1
0
5.1
0
5.1
-11.3
5.0
5.1
-11.9
5.0
5.1
-11.9
5.0
5.1
-11.9
5.0
5.1
-11.9
5.0
5.1
4.2
0
5.1
5.7
12.3
A
B
A-2
C-2
U
, C,
R,
T
, K,
A,
B,
G,
L models
P
age 103
to OPERA
TION (6)_CB912
C3
P
age 104
to MAIN (1) _W220
E7
P
age 105
to PO
WER (5)
_W4
G8
P
age 105
to PO
WER (2)_W1
H8
Page 106
to INPUT (3)_CB306
L3 Page 106
to INPUT (1)_CB301
C2 Page 106
to INPUT (2)_CB303
G2
Page 106
to INPUT (2)_CB304
H2
Page 110
to D-VIDEO_CB302
E9
Page 111
to D-VIDEO_CB510
K8
Page 108
to A-VIDEO (1)_CB601
G2 Page 111
to D-VIDEO_CB502
F9 Page 109
to A-VIDEO (2)_CB701
I2
Page 99
to DSP_CB5
G2
Page 99
to DSP_CB21
I2
Page 102
to FUNCTION (2)_CB601
B2
Page 99
to DSP_CB4
F2
FUNCTION (1)
B, G models
MICROPROCESSOR
POINT A-2 Pin 20 of IC301 POINT C-2 A / Pin7, B / Pin8 of CB301
A
B
+5M
/RES
POWER ON
(connect the power cable)
POWER OFF
(disconnect the power cable)
A
B
+5M
/RES
POWER ON
(connect the power cable)