Yamaha DSP-AX1900, Service Manual

Page: 126 / 198

CB401
IC402
IC401
CB402
CB416
CB403
CB405
CB406
CB407
CB408
CB409
CB410 CB411
IC407
IC403
IC406
IC405
IC404
CB413
CB412
JK401
JK402
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-V1900/HTR-6290/DSP-AX1900
126
FUNCTION 1/4
5.1
0 0
5.1
5.1
5.0
0 0
5.0
11.5
5.1
5.7
0
4.0
4.0
4.0
0
4.9
0
4.9
5.1
0
0
0
0
5.1
0
3.3
0
0
5.1
5.0
5.0
5.0
5.0
4.8
-11.2
5.0
-11.2
5.0
-11.2
5.0
4.9
5.0
-11.2
5.0
4.2
0
0 0
0 0
5.1
0
0
4.2
0
0
0
4.9
4.9
0
0
4.9
0
4.0
4.9
4.0
4.0
0
4.9
4.9
4.9
0
0
0
0.5
4.9
0.5
4.9
0
0
4.9
0
0
4.9
0
0
0
0
0
5.1
4.9
4.9
4.9
0
0
0
5.1
5.1
5.1
5.1
4.8
4.9
0
0
0
5.1
5.1
5.1
0
0
0
5.0
0
0
4.9
4.9
5.1
5.1
1.1
1.1
0.4
0
0
0.2
0.4 0.4
1.4 1.6
5.1
5.1
4.5
0
8.3 5.8
4.9
5.1
5.1
5.1
0
0
5.1
0
4.2
5.0
5.1
1.4
1.6
0
0
5.1
4.9
5.1
4.9
4.9 5.1 0
4.9 5.1 0 0 0 0 0 0
4.9 4.9
0 0
4.9
0
4.9 2.5
0
2.3 4.9
4.9 5.0
5.4 5.1 5.1 5.1
4.9
4.9 5.0
0
5.0 5.0
5.1
5.0
4.9 4.9 5.0 5.1
0
4.9 4.9 0 0 0 0 0 5.1
0 0
4.9 5.1 0 0
0
4.9 4.9 4.9 4.9
0 0
1.4 4.9 4.9 4.9
0 0
4.9
0
5.1 0 4.8 0 5.1 5.1 5.1
4.8 5.1
0 0
4.9 5.1 4.9
0
A-1
A-2
1
A-3
2
DSP-AX1900 RX-V1900 HTR-6290
FUNCTION (1)
to FUNCTION 2/4
(B, G, E models)
(U, C, R, T, K, A, B, G, E, L models)
MICROPROCESSOR
(MAIN)
REMO
TE
IC401 : 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
IC403 : LC709004A-TLM-E
I/O-expander for microcontroller
Control logic
port 0 I/O buffer
Serial/parallel converter/shift register
I/O control/output register
DIN
VDD
DOUT
VSS
CLK#
CS#
RES#
P00 P07
2 14
15
19
3
4
21
24 17
port 1 I/O buffer
P10 P17
15 8
1
GND
–
+
Vref
2 3
VOUT VIN
IC407 : RH5RE58AA-T1-FA
Voltage regulator
Y 4
B 2
GND 3
IC405 : SN74AHC1G08DCKR
2-input positive-AND gate
Vcc 5 A 1 1
3
2
5
4
GND
V
CC
IC404, 406 : TC7SET32FU
2-input OR gate
IN A
IN B
OUT Y
POINT A-1 XL402 (Pin 20 of IC402) POINT A-2 A-3 1 / Pin7, 2 / Pin8 of CB406
1 +5V
/RES 2
1 +5V
/RES 2
AC cable ON AC cable OFF AC cable ON
to FL (5)_CB960
(C, R, T, K, A, B, G, E, L, J models)
To AM/FM TUNER
Page 141 M6
to FL (5)_CB972
Page 141 L6
to FL (3)_CB955
Page 141 M8
to FL (3)_CB952
Page 141 L8
to FL (2)_CB962
P
age 141
F7
to FL (2)_CB969
S150 R4037
P
age 141
H7
to FL (2)_CB958
P
age 141
D7
to FL (6)_W9501
Page 140 N3
to POWER (4)_W1
Page 132 I8
to POWER (3)_W9
Page 132 E1
to POWER (3)_CB18
Page 132 H7
to A-VIDEO_CB203
Page 134 I2
to DSP_CB504
Page 123 F1
to NET_CB601
(R, T, K, A, B, G, E, L, J models)
Page 142 A7
to CONNECT (2)_CB952
(U, C models)
Page 144 H8
S150