Yamaha BRX-610 Service Manual page 40

A B
BRX-610/NS-PZ20
1
MAIN 7/14
2
3
4
5
HDMI_PLUGPWR0
HDMI_PLUGPWR0
6
7
46
C D
HDMI
RX
PORT0
HDMI_PLUGPWR0
HDMI_PLUGPWR0
C201
0.1uF/10V/X7R_NC R185
10K/NC
1 8
NC VCC
HDMIDDCWP0
2 7
NC WP
EEPDDCSCL_0
3 6
NC SCL
4 5 EEPDDCSDA_0
GND SDA
U17 WP-->H : WP
GT24C02-2GLJ-TR_NC WP-->L : Write R187
0_NC
HTPLG0_RX 1 Q5
H: write EEPROM enable; SST3904/NC
R190
R191 4.7K_NC
4.7K_NC
E2PROM
HDMI_VCC_RX
Q7
D5V
HDMI_VCC_RX
1 S5V
R198 0_NC
3
PWR5V0_RX
2
BAT54C_NC
D22 IN4001/NC
POWER
E F G
D14
RClamp0524J/NC
RX2+ RX2+ RX0+
1 8
1 8
RX2- 2 7 RX2- RX0-
2 7
9
GND
RX1+ RX1+ RXC+
3 6
3 6
RX1- 4 5 RX1- RXC-
4 5
+3.3M
D16
2 1
RB520S-30/NC
R186
27K/NC
HDMI_PLUGPWR0
D17
C202 R188 R189 LXES15AAA1-017/NC
0.1uF/10V/X7R_NC 47K_NC 47K_NC
HDMIDDCSCL_0
HDMIDDCSDA_0
PWR5V0_RX
notify IC HDMI Rx ready;
R542 C381
10K_NC 0.1uF/10V/X7R_NC
R0402/SMD C0402/SMD R192
1K_NC
HDMICAB0
HTPLG0_RX Q6
1
SST3904 T116_NC
H: reset;
R193
2K_NC R195
R194 100K_NC
10K_NC
HDMI RX
U18
H: write EEPROM;
COM1
L: read EEPROM;
HTPLG0_RX R201 0_NC
1
L L
IN1(EN) NC1
H H
NO1
8
HDMI_PLUGPWR0
VCC
COM2
3
GND
L L NC2
5
IN2(EN) H H NO2
TS5A23157_NC
H I
HDMI RX
RXC-
D15 RXC+
RClamp0524J/NC
RX0+ RX2-
1 8
1 8
2 7 RX0- RX2+
2 7
9
GND
RXC+ RX1-
3 6
3 6
4 5 RXC- RX1+
4 5
RX0-
RX0+
HDMI-CECR
HTPLG0_RX
PWR5V0_RX
RX0_KSCL
RX0_KSDA
RX2+
1
D2+
HDMIDDCSCL_0
2
GND
RX2- 3 HDMIDDCSDA_0
D2-
RX1+
4
D1+
5
GND
RX1- 6
D1-
RX0+
7
D0+
8
GND
RX0- 9
D0-
RXC+
10
CK+
11
GND
RXC- 12
CK-
HDMI-CECR
13
CEC
14
TP100 DIR
15
SCL
16
SDA
17
GND
18
VCC
19
HPD
J4
HDMI-TYPE-A_NC
LXES15AAA1-017/NC
LXES15AAA1-017/NC
LXES15AAA1-017/NC
D18 D20 LXES15AAA1-017/NC
D19 D21 muRata ESD 15KV/0.05pF
D3.3V
RX0_KSDA R196 4.7K_NC
RX0_KSCL R197 4.7K_NC
EEPDDCSCL_0 R199 4.7K_NC
EEPDDCSDA_0 R200 4.7K_NC
EEPDDCSCL_0
10
HDMIDDCSCL_0
9 R202 R202 0_NC 0_NC
2 R203 R203 0_NC 0_NC RX0_KSCL
from HDMI connector
source read EDID from EEPROM
6 EEPDDCSDA_0
7 R204 0_NC HDMIDDCSDA_0
R205 0_NC RX0_KSDA
4
from IC chip
IC wirte sink EDID(dowith) to EEPROM
EDID
SWITH
★ Components having special characteristics are marked
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
J
HDMI_RXC- 6/14
HDMI_RXC+ 6/14
HDMI_RX2- 6/14
HDMI_RX2+ 6/14
HDMI_RX1- 6/14
HDMI_RX1+ 6/14
HDMI_RX0- 6/14
HDMI_RX0+ 6/14
HDMI-CECR 5/14
HTPLG0_RX 9/14
PWR5V0_RX 9/14
RX0_KSCL 6/14
RX0_KSDA 6/14
HDMIDDCSCL_0 9/14
HDMIDDCSDA_0 9/14
and must be replaced