Yamaha RX-V100D Service Manual page 59

A B C
SCHEMATIC DIAGRAM (SUBTRANS)
1 to POWER CABLE
0.1
~ ~
6,2
-0.2
~
~
5.0 ~
~ ~
4.8
~
0
4.8 ~
2 ~ ~
0
~
4.8 0 ~
~
0 0
0 ~ ~
~ ~ ~ ~
0 0 ~ ~
~
0 ~ ~
~
~
~
0 1.1 1.3 10.3
~
0.8
~
0.1 0
0.1
3
SUBTR (6)
4
INPUT
SELECTOR
11.3
5.5 5.6 5.6
4.9 6.1
6.6
0
0
5
INPUT
SELECTOR
6
11.6
6.0 6.0 6.1
5.4 6.5
7 7.1
0
0
11.6
6.0 6.0 6.0
5.3 6.5
7.0
0
0
SUBTR (3)
8
9
IC452: NJU7201L55
Voltage Regulator
VIN 2 3 VOUT
VREF
MPX IN
1
GND
10
D E F
to POWER TRANSFORMER
AC69.0
SUBTR (7)
0
AC6.3
~
10.3
SUBTR (1)
SUBTR (4)
INPUT
SELECTOR
IC453: LC72722PM
RDS Signal Processor
1 5 6
IC601, 602, 901: LA7956
VDDA 3 CLOCK 14 VDDD
PLL
RECOVERY
Video Switch
REFERENCE (57 kHz)
(1187.5 Hz)
VOLTAGE
VSSA 4 15
VSSD
VREF 6dB
AMP
57 kHz
ANTIALIASING SMOOTHING DATA
2 bpf 19 RDS-ID
FILTER FILTER DECODER
(SCF)
DRIVER
DO
20
CL 21 18 SYNC
RAM ERROR CORRECTION SYNC / EC
DI 22 CCB (24 BLOCK DATA) (SOFT DECISION) CONTROLLER
24 SYR 1
CE 23
VIDEO
OUT
CLK (4.332 MHz)
T1 7 MEMORY
CONTROL
T2 8
TEST SYNC SYNC
T3 9 DETECT-1 DETECT-2
OSC/DIVIDER
T4
10
11 16 17 13 12
G H
5.0 11.9
5.6
5.6
0
0
2.1
0
0.4
4.8
10.1 5.5 4.8 4.8
0
0.1
5.5 5.0
1
4.8
5.5
0.1 0
4.8
0
C-1 C-2
SUBTR (9)
Page 56 D7
to OPERATION (1)_CB801
Point: B-1 Pin 13 of IC451
VIDEO SWITCH
CONTROL
4 INPUT 1 OUTPUT
2 3 4 5 6 7 8 9
A B VIN1 GND VIN2 VCC VIN3 VIN4
I J K
Page 55 C1
to FUNCTION_CB303
4.8
4.8
-11.9
4.8
-11.9 4.8
4.8
-11.9 4.8
4.8
4.1
4.7
0
4.8 0
4.8 0
4.8
4.7 0
4.7 4.8
0.2 0
MICRO PROCESSOR
0.2 4.8
0 4.8
4.7 0
2.1 0
0.4 4.8
4.8 4.8
1.0 0
4.8 4.7
4.7 4.8
0 4.8
0.5 0
B-1
4.8 0
4.8 0
4.8 2 0
SUBTR (2)
Page 53 J1
to DSP_CB1
Point: C-1 Cathode of D453 and Pin 12 of IC451 Point: C-2 Cathode of D453 and Pin 12 of IC451
1 D453 1 D453
2 IC451 2 IC451
POWER ON POWER OFF POWER ON
(Connect the power cable) (Disconnect the power cable) (Connect the power cable)
L M N
RX-V100D
IC402: TC4013BP
Dual D-type Flip Flop
4
RESET1
SET1 6
1 Q1
DATA1 5
2 Q1
CL CL
CL
CL
3
CLOCK1 CL
CL
RESET2 10
8
SET2 13 Q2
DATA2 9
12 Q2
CL
CL
CL
CL
CLOCK2 11 CL
CL
7
VSS
VDD 14
IC702: NJM2581M
Video Amp
6dB 75Ω
VIN1 1 Driver 14 V+1
AMP
BIAS
NEE1 2 13 VOUT1
6dB 75Ω
VIN2 3 12 V+2
AMP Driver
BIAS
VEE2 4 11 VOUT2
VIN3 6dB 75Ω V+3
5 AMP Driver 10
BIAS
VEE3 6 9 VOUT3
PowerSave 7 REF 8 GND
IC701: TC74HC4053AF
Analog Multiplexer/Demultiplexer
INHIBIT VCC
6 16
A 11
LEVEL BINARY TO 1-OF-8
B 10
CONVERTER DECODER WITH INHIBIT
C
9
GND 8
VEE 7
0X 12 SW
14 X-COM
1X 13 SW
0Y 2 SW
15 Y-COM
1Y SW
1
0Z
5 SW
Z-COM
4
1Z 3 SW
# All voltages are measured with a 10MΩ/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.
59