Yamaha RX-V1900, 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
BCD
E
F
G
H
I
J
K
L
MN
RX-V1
90
0/HTR-6290/DSP-AX1
90
0
12
6
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
00 00
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)
MICR
OPR
OCESSOR
(MAIN)
REMOTE
IC401
: LC72722PM
RDS signal processor
REFERENCE
VO
LT
A
G
E
57 kHz
bpf
(SCF)
CCB
TEST
PLL
(57 kHz)
ANTIALIASING
FIL
TER
SMOO
THING
FIL
TER
RAM
(24 BLOCK D
A
TA
)
ERR
OR CORRECTION
(SOFT DECISION)
SYNC / EC
CONTR
OLLER
SYNC
DETECT
-1
D
ATA
DECODER
CLOCK
RECO
VER
Y
(1187.5 Hz)
MEMOR
Y
CONTR
OL
OSC/DIVIDER
VREF
CLK (4.332 MHz)
SYNC
DETECT
-2
VDD
A
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
por
t 0 I/O b
uff
er
Ser
ial/par
allel con
ve
rter/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
por
t 1 I/O b
uff
er
P10
P17
15
8
1
GND
– +
Vref
2
3
V
OUT
V
IN
IC407
: RH5RE58AA-T1-F
A
V
oltage regulator
Y
4
B2
GND
3
IC405
: SN74AHC1G08DCKR
2-input positive-AND gate
Vcc
5
A1
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
P
age 141
M6
to FL (5)_CB972
P
age 141
L6
to FL (3)_CB955
P
age 141
M8
to FL (3)_CB952
P
age 141
L8
to FL (2)_CB962
Page 141 F7
to FL (2)_CB969
S150
R4037
Page 141 H7
to FL (2)_CB958
Page 141 D7
to FL (6)_W9501
P
age 140
N3
to PO
WER (4)_W1
P
age 132
I8
to PO
WER (3)_W9
P
age 132
E1
to PO
WER (3)_CB18
P
age 132
H7
to A-VIDEO_CB203
P
age 134
I2
to DSP_CB504
P
age 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