Yamaha RX-V363 Service Manual page 83

A B C
HDMI
1
OUT
CB901
2
3
4
5
6
7
8
9
10
D E F
HDMI
CB903
0
0
0 0
0 0
0 0
0 0
0 1.0
IC902
0 5.3
5.3
0
0
0
0
0.8
0
IC903: CXB1442AR-T4
Cable equalizer with 2-system switching function
Input switching
Termination
circuit
resistor
ADTnP
ADTnN
BDTnP
BDTnN
EQ inputs
IC902: NJM2867F3-05
Input switching
Low dropout voltage regulator
circuit
ACKP
ACKN
V V
5 4
IN OUT
Control 1
Thermal
Protection
Bandgap
BCKP
Reference
BCKN
GND 2
SEL
CMOS inputs Control Logic
CE
G H I
DVD DTV/CBL
CB903
0
1.4
0 0
0
0 0 0
0 0 0 0
0
0 0 0
0 0 0 0
0
0
0
0
0
0
0 0
3.3 3.3
0 0
0 0
0 0
IC903
0 0
0
0
0 0
0 0
0 0
3.3 3.3
0 0
IC904: SN74LVC3G04DCTR
Triple inverter gate
n= 0, 1, 2
1A 1 8 V
CC
3Y 2 7 1Y
Quantizer
Output buffer
YDTnP
Equalizer
2A 3A
YDTnN 3 6
Output
GND 4 5 2Y
Termination
Detector
EQ outputs
Quantizer
36 35 34 33 32 31 30 29 28 27 26 25
Output buffer
YCKP Vcc 37 24 YCKN
Equalizer
Vcc 38 23 YCKP
YCKN
ADT2N 39 22 GND
IC906: SN74LVC1G08DCKR
ADT2P 40 21 YDT0N
Output
Termination GND 41 20 YDT0P Single 2-input positive-AND gate
Detector Vcc 42 19 Vcc
Vcc 43 18 Vcc
Clock Output Current
GND 44 17 YDT1N
Detector Control Circuit
REXT
BCKN 45 16 YDT1P
BCKP 46 15 GND
Vcc 47 14 YDT2N
Vcc 48 13 YDT2P
1 2 3 4 5 6 7 8 9 10 11 12
J K
0
1.2
0 0
0 0
0 0
0 0
0 0
0
0
0
0
0
0
0 3.3
1.4 0
1.2 0
1.0 0
0 0
0 0
0 0
0 0
IC907
3.3 0
3.3
IC908
0 0
0
3.3
0 0
IC908
0
3.3
3.3
0
0 0
5.3 3.3
3.3 IC905
0
0
IC904 5.3 3.3 3.3
0
0
0
IC907: SN74CB3Q3257PWR
IC905: NJM2885DL1-33
Low dropout voltage regulator Low boltage high-bandwidth bus switch
1A 4 SW
V IN 1 3 V OUT
Thermal
2A 7 SW
Protection
Bandgap
Reference
3A 9 SW
4A
12 SW
GND 2
S 1
OE 15
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
# Components having special characteristics are marked s and must be replaced
A 1 5 V
CC
# Schematic diagram is subject to change without notice.
B 2
GND 3 4 Y
L M N
RX-V363/HTR-6130
CB904
Page 80 I4
to OPERATION (4)_W182
CB905
Page 80 A8
to OPERATION (2)_W2154
IC908: SN74LVC2G17DCKR
Dual schmitt-trigger buffer
2 1B1
1A 1 6 1Y
SW 3 1B2
5 2B1
GND 2 5 VCC
6
SW 2B2
2A 3 4 2Y
11 3B1
SW 10 3B2
14 4B1
SW 13 4B2
S 1 16 V CC
1B1 OE
2 15
1B2 3 14 4B1
1A 4 13 4B2
2B1 5 12 4A
2B2 6 11 3B1
2A 7 10 3B2
GND 8 9 3A
with parts having specifications equal to those originally installed.
83