Yamaha YMC-700 Service Manual page 76

A B C
YMC-700/YMC-500
DIGITAL 2/8
1
Q Q
3
2
3
to DIGITAL 5/8
4
to DIGITAL 1/8
5
T E IC325
L 1 3
to DIGITAL 5/8
6
7
8
9
to DIGITAL 3/8
w w w
10
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked
and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
76
D E F
7 1 5
6 3
HDMI OUT
IC324
3.3 6.2
0
5.1
5.1 5.1
9 4 2 2 9 6 5 1 3
0
5.1
5.1
3.3
3.0
3.1 HDMI TRANSMITTER
0.3
0.4
0
0.3
0.3
IC321
0.4
0
0
0
0
0
0.4
0.2
0.5
3.2
0.3
0.2
0
x a o
. i
G http://www.xiaoyu163.com H
YMC-700 YMC-500
1 5
0
CB321
Q Q
3 7
1.9
1.9
0
0
1.9
0
1.9
0
1.7
1.7
0
0
1.3
1.7
1.7
0
0
0
0
0
0
0
0
3.3
1.9
u 1 6 3
y
I J K
2 4
8 9
to DIGITAL 4/8
1.8 2.5
1.8 3.3
1.8 IC326
2.5
0 0
2.5
to DIGITAL 4/8
1.9 2.5
1.9 3.3
1.9
IC327
2.5
0 0
2.5
6 3 1 5 1 5 0 8
DIGITAL IN
ANALOG IN
m
c o
.
L M N
2
9 8 9 9
IC321: ADV7510BSTZ-225
Low power HDMI 1.3 compliant transmitter
CEC Controller/
CEC
Buffer
S/PDIF
I 2 S[3:0]
HDCP
DSD[5:0] Audio
Keys
MCLK Data
LRCLK
Capture 4:2:2
SCLK HDCP
DSD_CLK Encryption
4:4:4
and
D[35:0]
Color
VSYNC
Video Space
HSYNC Data Tx0
Converter
Capture
DE
Tx1
TMDS
CLK
Outputs Tx2
Registers
HPD TxC
and
INT
Config.
Logic
I C 2
SDA
HDCP
SCL Slave
I C 2 DDCSDA
and
Master
EDID DDCSCL
Micro-
processor
IC323: SN74LV157APWR
Quadruple 2-line to 1-line data selectors/multiplexers
1A
2
4 1Y
1B 3
2A 5
2Y
7
2B 6
3A
11
9 3Y
3B
10
4A
14
4Y
12
4B 13
G
15
A/B
1
Pin numbers shown are for the D, DB, DGV, J, NS, PW, and W packages.
A/B V
1 16
CC
1A G
2 15
1B 3 14 4A
1Y 4 13 4B
2A 4Y
5 12
9 2 4 9 8 2 9 9
2B 6 11 3A
2Y 7 10 3B
GND 8 9 3Y
IC324: NJM2867F3-05
Low dropout voltage regulator
V 5 4 V
IN OUT
Control 1
Thermal
Protection
Bandgap
to DIGITAL 1/8
Reference
GND 2
IC326, 327: R1172S181B-E2-F
Voltage regulator
V V
DD 6 1 OUT
Vref
Current Limit
CE GND
3 2,5
Pin No. Symbol Description
1 V OUT Output Pin of Voltage Regulator
2, 5 GND Ground Pin
3 CE Chip Enable Pin
4 NC No Connection
6 V Input Pin
DD
to DIGITAL 7/8
to DIGITAL 5/8