Yamaha RX-V100D, Service Manual

Page: 59 / 74

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-V100D
SCHEMATIC DIAGRAM (SUBTRANS)
59
★
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.
IC402 : TC4013BP
Dual D-type Flip Flop
4 RESET1
1
Q1
6 SET1
5 DATA1
CL
3 CLOCK1
CL
CL
CL
CL
CL
2
Q1
10 RESET2
13
Q2
8 SET2
9 DATA2
7
VSS
14 VDD
11 CLOCK2
12
Q2
CL
CL
CL
CL
CL
CL
GND
VOUT VIN 3 2
VREF
IC452 : NJU7201L55
Voltage Regulator
1
IC453 : 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
IC601, 602, 901 : LA7956
Video Switch
1 2 3 4 5 6 7 8 9
VIDEO
OUT
A B VIN1 GND VIN2 VCC VIN3 VIN4
DRIVER
6dB
AMP
CONTROL
VIDEO SWITCH
4 INPUT 1 OUTPUT
IC701 : TC74HC4053AF
Analog Multiplexer/Demultiplexer
16
VCC
6
INHIBIT
11
15
14
9
A
C
B
8 GND
7 VEE
12
0X
13 1X
2 0Y
1 1Y
5 0Z
3 1Z
LEVEL
CONVERTER 10
BINARY TO 1-OF-8
DECODER WITH INHIBIT
SW
SW
SW
SW
SW
SW
4 Z-COM
X-COM
Y-COM
IC702 : NJM2581M
Video Amp
13
VOUT1
11 VOUT2
9 VOUT3
8 GND
10 V+3
14 V+1
12 V+2
2 NEE1
4
VEE2
6 VEE3
7
PowerSave
5 VIN3
1 VIN1
3 VIN2
75 Ω
Driver
6dB
AMP
BIAS
75 Ω
Driver
6dB
AMP
BIAS
75
Ω
Driver
6dB
AMP
BIAS
REF
2
1
B-1
C-1 C-2
1 D453
Point: B-1 Pin 13 of IC451 Point: C-1 Cathode of D453 and Pin 12 of IC451 Point: C-2 Cathode of D453 and Pin 12 of IC451
POWER ON
(Connect the power cable)
POWER ON
(Connect the power cable)
POWER OFF
(Disconnect the power cable)
2 IC451
1 D453
2 IC451
AC69.0
AC6.3
5.0
0
0
0
0
0
0
0
~
~
~
~
~
~
~
~
~
~
~
~ ~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~ ~
0
0
-0.2
0.1 10.3
1.1 1.3 10.3
0
4.8
4.8
4.8
6,2
0.1
0
0.8
0.1
0
3.9 3.9
11.3
3.9
0
3.9
0
4.8 5.6
11.3
4.9
5.5
6.1
0
6.6
0
5.6 5.6
3.9 3.9 11.3 3.9
0
3.9
0
4.8 6.1
3.9 3.9
11.3
3.9
0
3.9
0
4.8 6.0
11.6
5.4
6.0
6.5
0
7.1
0
6.1 6.0
11.6
5.3
6.0
6.5
0
7.0
0
6.0 6.0
0
5.6
5.0 11.9
5.6
4.8
-11.9 4.8
4.8
-11.9 4.8
4.8
-11.9 4.8
4.8
4.7 4.1
10.1 5.5
0
5.5
5.5
5.0
4.8
4.8 4.8
0.1
0.1
0
0
4.8
4.8
0
2.1
0.4
0
4.8
0
4.8
4.8
4.7
4.7
0.2
0.2
0
4.7
2.1
0.4
4.8
1.0
4.8
4.7
0
0.5
4.8
4.8
4.8
4.7 4.8 4.3 4.8 0.6
0
4.8
0 0
0
5.0
4.8
2.3
0
2.3 4.8 4.8
5.0 5.0
0
4.8
4.8
4.8 4.8
4.8
0 0
0
5.0 4.8
0
0
0
4.8 0 4.9 5.0 4.9 4.8 4.8 4.7
4.8
0 4.8 4.9 0 0 0 4.8 0
4.8
0
0 0
0
4.8 0 0
0
0
0
0
4.8
0
4.8
4.8
0
0
4.8
4.8
0
4.7
4.8
4.8
0
0
0
0
to FUNCTION_CB303
Page 55 C1
to DSP_CB1
Page 53 J1
to OPERATION (1)_CB801
Page 56 D7
to FUNCTION_CB301
P
age 55
C8
to D
AB_CB5
P
age 60
B4
to MAIN (1)_W10
P
age 57
E1
to MAIN (2)_CB122
to TUNER
P
age 57
G8
to MAIN (2)_CB121
P
age 57
F8
to POWER CABLE to POWER TRANSFORMER
MICRO PROCESSOR
INPUT
SELECTOR
INPUT
SELECTOR
SUBTR (2)
SUBTR (7)
SUBTR (6)
SUBTR (1)
SUBTR (9)
SUBTR (4)
SUBTR (3)
INPUT
SELECTOR