Yamaha RX-Z11 - AV Receiver, Service Manual

Page: 179 / 243

IC844
IC834
IC901
IC834
IC834
IC838
IC824
IC839
IC840
IC841
IC842
IC835
IC836
IC837
IC903
CB902
CB901
CB903
CB904
IC902
CB905
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-Z11/DSP-Z11
179
★ All voltages are measured with a 10M Ω /V DC electronic voltmeter.
★
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.
DVIDEO 4/4
C-2
1.7
1.7
1.7
1.7
3.3
0
1.7
1.7
1.8 3.3
1.8 2.8
3.3 4.2
1.8
0
2.8
3.3 4.2
0 0
4.2
3.3 4.2
4.2
0
0
0
3.3 4.2
0 0
4.2
3.3 4.2
3.3
0
0
3.3
0
0
0
3.3 4.3
0 0
3.3
0
2.5 3.3
2.5 4.2
2.5
0
4.2
3.3
0
3.3
0
0
1.8 3.3
1.8 2.8
1.8
0
2.8
3.3
0
3.3
0
0
1.8 3.3
1.8 3.3
1.8 3.3
1.3 3.3
1.8 2.7
1.8
0
2.7
3.3
0
1.8 2.8
1.8
0
2.8
3.3
0
5.0
0
5.0
1.8 2.8
1.8
0
2.8
3.3
0
1.3 2.8
1.3
0
2.8
3.3
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.2
1.3
1.2
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
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
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
3.3
3.3
0
0 0 3.3 3.3 0 3.3 3.3 3.3 3.3 0
3.3
0
0
3.3
0.1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0
5.0
0 0 0 0 5.0
0
0
0
0
0
0
0 0 0 0
0 0 0 0
0
0.1 4.2
0
3.3
3.3
0
4.2
4.2
4.2
0
IC838, 839, 844 : R1171J331D-T1-F
Voltage regulator
V
DD
CE
Pin No.
1
2
3
4
5
Symbol
CE
GND
GND
VDD
VOUT
Description
Chip Enable Pin
Ground Pin
Ground Pin
Input Pin
Output Pin of Voltage Regulator
Vref
5 1
2 4
Current Limit
V
OUT
3
GND
GND
IC903 : R1172S331B-E2-F
CMOS-based positive-voltage regulator IC
V
DD
CE
Pin No.
1
2, 5
3
4
6
Symbol
VOUT
GND
CE
NC
VDD
Description
Output Pin of Voltage Regulator
Ground Pin
Chip Enable Pin
No Connection
Input Pin
Vref
6 1
3 2,5
Current Limit
V
OUT
GND
IC835, 836 : R1172S181B-E2-F
Voltage regulator
V DD
CE
Pin No.
1
2, 5
3
4
6
Symbol
VOUT
GND
CE
NC
VDD
Description
Output Pin of Voltage Regulator
Ground Pin
Chip Enable Pin
No Connection
Input Pin
Vref
6 1
3 2,5
Current Limit
V OUT
GND
V DD
CE
Pin No.
1
2, 5
3
4
6
Symbol
VOUT
GND
CE
NC
VDD
Description
Output Pin of Voltage Regulator
Ground Pin
Chip Enable Pin
No Connection
Input Pin
Vref
6 1
3 2,5
Current Limit
V OUT
GND
IC837 : R1172S121D-E2-F
Voltage regulator
IC841-843 : R1172S181B-E2-F
Voltage regulator
V DD
CE
Pin No.
1
2, 5
3
4
6
Symbol
VOUT
GND
CE
NC
VDD
Description
Output Pin of Voltage Regulator
Ground Pin
Chip Enable Pin
No Connection
Input Pin
Vref
6 1
3 2,5
Current Limit
V OUT
GND
1
2
3
4 GND
GND
EN
EN
SDAB
SDAB
SCLB
SCLB
SDAA
SDAA
SCLA
SCLA
CCA V
CCA V
CCB V
CCB V
CCB
pull-up
resistor
V
8
7
6
5
IC902 : PCA9517DP
Level translating I
2
C-bus repeater
3
1 8
4
6
7 2
5
IC824 : TC7WZ04FK
Triple inverter
V CC
3A
2Y
1A
GND
3Y
1
2
3
4
2A
1Y
8
7
6
5
IC840 : R1172S251B-E2-F
Voltage regulator
V DD
CE
Pin No.
1
2, 5
3
4
6
Symbol
CE
GND
NC
VDD
VOUT
Description
Chip Enable Pin
No Connection
Ground Pin
Input Pin
Output Pin of Voltage Regulator
Vref
6 1
3 2,5
Current Limit
V OUT
GND
IC901: CXB1442AR-T4
Cable equalizer with 2-system switching function
ADTnP
ADTnN
ACKP
ACKN
BCKP
BCKN
SEL
CE
YDTnP
YDTnN
EQ outputs
BDTnP
BDTnN
YCKP Equalizer
Quantizer
Quantizer
Input switching
circuit
Equalizer
Input switching
circuit
Termination
resistor
Output buffer
Output buffer
n= 0, 1, 2
YCKN
REXT
EQ inputs
CMOS inputs Control Logic
Clock
Detector
Output Current
Control Circuit
Output
Termination
Detector
Output
Termination
Detector
1 2 3 4 5 6 7 8 9 10 11 12
24
25 26 27 28 29 30 31 32 33 34 35 36
SEL Vcc ADT1P ADT1N GND ADT0P ADT0N GND AC
K
P
AC
K
N
Vcc CE
TEST
Vcc
BDT0N BDT0P
GND
BDT1N BDT1P
GND
BDT2N BDT2P
Vcc
REXT
YCKN
YCKP
GND
YDT0N
YDT0P
Vcc
Vcc
YDT1N
YDT1P
GND
YDT2N
YDT2P
Vcc
Vcc
ADT2N
ADT2P
GND
Vcc
Vcc
GND
BCKN
BCKP
Vcc
Vcc
37
38
39
40
41
42
43
44
45
46
47
48
23
22
21
20
19
18
17
16
15
14
13
POINT C-2 XL804 (Pin 1 of IC824)
No replacement part available.
サービス部品供給なし
No replacement part available.
サービス部品供給なし
FPGA
HDMI EQ
FPGA
FPGA
DVIDEO (2)
HDMI IN
to SUBCPU (7)_CB997
USB (Front)
Page 172 N8
to SUBCPU (7)_CB998
Page 172 N9
to DVIDEO (1)_CB806
Page 178 B2