Schematic Diagram - Servo Section (3/3) - Sony XAV-A1 Service Manual

5-11. SCHEMATIC DIAGRAM – SERVO Section (3/3) –
(3/3)
D/A CONVERTER
IC1207
PCM1742E
BCLK
SER3
LRCLK
C1226
10
C1225
10
R1245
150
C1233
10
R1244
150
L1204
1.8µH
TV-DAC0
R1232 C1220
75 10p
C1219
10p
Q1203,1205-1208
LOW-PASS FILTER
R1243
150
L1203
1.8µH
TV-DAC1
R1229 C1217
75 10p
C1218
10p
R1242
150
L1202
1.8µH
TV-DAC2
R1227 C1215
75 10p
C1216
10p
R1240
150
L1201
1.8µH
TV-DAC3
R1224 C1213
75 10p
C1214
10p
XAV-A1
• See page 60 for Waveforms. • See page 62 for IC Block Diagrams.
R1206
C1201
5.1k
330p
DACCLK
C1237 R1208 R1207
DAC CS
10 10k 10k 8 C1238
2
10
SCL/MC
1
3
4
SDA/MD/TXD
C1250
1800p
ZEROL
ZEROR
R1209 C1202
5.1k 330p
C1252
C1240 R1212 R1213
0.1
10 10k 10k C1239
6
10
C1234
10
7
5
C1251
1800p
IC1206
NJM2100M
LOW-PASS FILTER
C1246
220
R1237
4V CVBS2
75
Q1208
2SA1338
SDA/MD/TXD
C1249
220
R1236
4V 75
G
Q1207
2SA1338
BUFFER
IC1205
TC7ST08FU
R1223
5 D1201
C1248 47k 2
RB717F
330
4V
4
C1205 1
3
1000p
C1247
330
4V
C1245
330
R1235
4V
75
CVBS
Q1206
2SA1338
+1.8V REGULATOR
IC1202
XC6203P182PR
C1244
220 R1234
O G I
4V
75
R C1232
C1260 C1212
100
1000p 0.1
6.3V
Q1205
2SA1338
C1242
220 R1226
4V
75
B
Q1203
2SA1338
Q1209-1212
MUTING CONTROL
Q1209
C1253 RT1P141M
0.1
Q1201
DTC114TUA
R1211
220 MUTING
C1223
R1238
470p
47k
Q1211
RT1P141M
R1239 C1224
47k 470p
R1210
Q1202
220
DTC114TUA
MUTING
R1220
47k RESET
IC1204
R3112Q291A
R1219
470k
VCC
RST C1203
0.1
GND
C1204
0.01
CPURST
C1236 C1230
C1257 C1211 C1231 C1256 C1222 C1210
100 100
1000p 0.1 10 1000p 0.1 0.1
6.3V 6.3V
C1228 C1227 C1208 C1207
10 10 0.1 0.1
(Page 34)
35 35
Q1210
RT1N141M
D1202
DWA010
DMUTE
D1203
DWA010
ZEROR
ZEROL
Q1212
RT1N141M
U1 U1
U2 U2
U3 U3
U4 U4
U5 U5
CS1201
35P
CVBS CVBS
CVBS2 CVBS2
S-C
TV GND
R R
G G
B B
TV GND
DOUT R1218 0 DOUT
DGND
XIR R1205 100 XIR
R1230 0 RESET
DVD STB R1246 1k STB
XTOCK R1247 1k CLOCK
SYS CPU TXD R1202 3.9k DATAIN
R1248 1k
DATAOUT
DGND
R1216
6.8k
L1213 LCH
L1215 SGND
L1214 RCH
R1215 22 DGND (Page 44)
EJECT-SW R1231 0 EJECT-SW
ZEROR R1249 1k ZEROR
ZEROL R1250 1k ZEROL
C1255 1000p
3.3V
3.3V
L1205 3.3V
L1207 A5V
L1206 5V
C1254 1000p 5V
C1259 1000p 5V
GND
GND
MGND
MGND
C1258
1000p
C1241
C1206
100
0.1
6.3V
(Page 33)
XAV-A1
MUTING
-1
-2
* For the parts on the MUTE (SERVO) board,
replace the entire mounted board.