Hdmi Sw Part - NAD T737 Service Manual

SCHEMATIC DIAGRAM (HDMI SW PART)
Q1204
Q1205
R1207
HP DET
22K R1208
+5V
C1252 R1209
100
GND
R1210
0.1uF 47K
DDC DATA
R1211 47
DDC CLK
47
NC
CE REMOTE
CK-
D1 SHIELD
CK+
D0-
D1 SHIELD
D0+
D1-
D2 SHIELD
D1+
D2-
D2 SHIELD
D2+
VGND
Q1201
Q1202
R1202
HP DET
22K R1203
+5V
C1251
100 R1204
GND
0.1uF 47K R1205
DDC DATA
47 R1206
DDC CLK
47
NC
CE REMOTE
CK-
D1 SHIELD
CK+
D0-
D1 SHIELD
D0+
D1-
D2 SHIELD
D1+
D2-
D2 SHIELD
D2+
VGND
5V IC203
D1152
2 Out In 3
1
VGND VGND VGND
HP DET
+5V
GND
DDC DATA
DDC CLK
NC
CE REMOTE
CK- 3 2
D1 SHIELD OL204
CK+ 4 1
D0- 3 2
D1 SHIELD OL203
D0+ 4 1
D1- 3 2
D2 SHIELD
OL202
D1+ 4 1
D2- 3 2
D2 SHIELD OL201
D2+ 4 1
VGND
3-48
3.3V_HD
L1201
R1218
VGND VGND
47K
C1261
0.1uF
C1262
0.1uF
R1226 0
C1263
0.1uF
C1264
0.1uF
VGND
R1219
N.C
47K
VGND
DDC+5V
+9V
IC202 HVIKIC7SZ08FU
R1214 R1215
1.8K 10K
3.3V_HD
1 2 3 4 5
Q1207
6 5 4
VGND VGND
1 2 3
R1216 R1217
10K 1.8K
VGND VGND VGND
DDC+5V
3.3V_HD
VGND VGND VGND VGND
1.8V_HD
L1202
L1203
VGND VGND
3.3V_HD
VGND
VGND
R1X0- AGND
R1X0+ R0XC+
AVCC33 R0XC-
C1271
R1X1- AVCC18
0.1uF
R1X1+ HPD0
AGND LSCL
R1X2- LSDA
IC201 R1229
R1X2+ RESET#
9185ACTU
R1228 1K
AVCC18 EXTSWING
1.5K
DSDA1 TXC-
DSCL1 TXC+
VGND
R1227
RPWR1 AGND
1.5K
CEC_D TX0-
CEC_A TX0+
C1269
AVCC33 AVCC18
0.1uF
HPD2 TX1-
AVCC18 TX1+
R2XC- AGND
R2XC+ TX2-
AGND TX2+
VGND VGND VGND
Q1208
R1237
0
VGND
EXP_CE
EXP_CLK
EXP_DATA
OSD_SYNC
OSD_CS
OSD_INH
VIDEO_INT
OSD_CLK
OSD_DATA
HDMI_SCL
HDMI_SDA
9185_INT
VGND
VGND
+5V
3.3V_HD
1.8V_HD +1.8VDD
+5V
3.3V
IC205
L1205
2 Out In 3
1
+1.8VDD
VGND
VGND VGND VGND VGND VGND VGND
-5VV
DDC+5V +9V
+9V +9VV
+9VV
5V
IC204
D1151 D1156
L1204 VGND
2 Out In 3
1
VGND
VGND VGND VGND VGND
VGND VGND
3-49
OSD_DATA
OSD_CLK
VGND
VIDEO_INT
OSD_INH
OSD_CS
VGND
OSD_SYNC
EXP_DATA
VGND
EXP_CLK
EXP_CE
RESET
VIDEO_SDA
VIDEO_SCL
-5V
+5V
VGND
+9V