A Board Schematic - Sony KD-32DX150U Service Manual

A B C
1
A..-32DX150U
L1271
XX
9V
C1275 C1276
100
25V
L1272
100uH
2
R1250
R1277 R1278 R1279
XX
47k
47k 47k
R1280
150k
1/16W
WOOFER
C1277
LEFT
0.47 16V
RIGHT
3
CN2003 C1278
0.47
XX
R1251
16V
XX
GND 1 FB2015
XX
PJE R R_PJE
2
FB2016
PJE G G_PJE
3
XX
R1281 47k
PJE B 4 B_PJE
FB2017
GND 5
XX C1279 R1282 R1283
XX
XX 47k
PJE BLK 6 BLK_PJE
FB2018
GND 7
XX
DISABLE
DISABLE 8
FB2002 XX
4
SCL
SCL 9
SDA SDA
10
FB2001 XX
AUDIO MUTE AV_MUTE
11
AUDIO PROT 12 AV_PROT
AC ON/OFF 13 AC_ON/OFF
GND 14
5
6
CN2004
FB2004
XX
XX
VPROT
1
VPROT
L2003 XX
12V
+12V 2
VSYNC100
VS 3
FB2005 XX
+12V
4
HS HSYNC100
5
FB2006 XX
+12V 6
AFC_PULSE
H PULSE 7
7 FB2010 XX
+12V 8
FB2008 XX
H_DRIVE
HD 9
GND 10
FB2009 XX
E/W
E/W 11
GND
12
FB2014 XX
VTIM VTIM
13
GND 14
FB2003 XX
H SHIFT 15
H SHIFT
GND 16
FB2020 XX
8
VM 17 VM
GND 18
FB2011 XX
ABL
ABL 19
GND
20 FB2013 XX
VD(-)
VD(-)
21
GND 22
FB2012 XX
VD(+)
VD(+) 23
X_RAY
HVPROT 24
FB2007
XX
9
A
1/9 AUDIO DECODER AND AMPLIFIER
10
11
D E F
+9V
0.01
R1290
B
3.9k
Q1272
2SC2412K-R
R1288 R1289
IC1270 560 6.8k C1283
NJM3403AM C1282 47
R1287
OUTPUT AMP
47k 10 35V
50V
C1281
0.47
16V
R1286
47k
R1284 R1285 C1280
47k XX XX
R1252
XX
HDEF
A 2/9
VDEF
A 2/9
A 4/9
G H I J
XX
JR1245
JR1232 XX
JR1233
XX
JR1234 XX
JR1238
JR1235 XX
0
JR1236 XX
JR1237 XX
C1284
0.1
C1239
25V
B
ACT5VD 5V_1
R1137 0
NC
R1260 100
SCL
SCL
SDA
SDA
R1261 100
FL1231 12S CLOCK
12S WS
EMI
12S DATA OUT
12S DATA IN
C1231 C1232 C1234 ADR DATA OUT
2200p
47 4700p
ADR WS
B 35V B
ADR CLOCK OUT
8VSUP
R1234
8VSUP
22k
8VSUP
B GND
B GND
B GND
AUDIO RESET
12S DATA IN
NC
NC
NC
POWER ON RESET
C1235
C1233
NC
1 1
16V
16V NC
9V
SCB-OUT R
R1291
XX
C1294
XX
Q1268
XX
R1292 R1298
C1291 XX XX
XX
R1293 0
9V
R1294 C1292
XX XX
Q1269
XX
R1296 R1295
C1293
XX XX
XX
R1297
0
C1236
2200p
B
C1264 C1265
2200p
B
~ A Board Schematic Diagram [ Audio Decoder and Amplifier ] Page 1/9 ~
- 39 -
K L M
R1274 C1273
100p
6.8k
R1276
1k
QSS
Q1271
Q1270
2SC2412K-R
2SC2412K-R 3 2 1
FL1270
CF1270
R1272 R1273 R1275
6.5MHZ 1k 6.8k 1k
C1274
4 6
39p
R1270
330
L1270 10uH
ACT5VD
5V_1
R1134
C1242
XX
4p R1135
4p
C1257
FL1232 0
0.1
X1231
EMI
18.43MHz
C1255
0.1
C1252
47
35V
NC
NC
IFGND
IFGND
AM
MONO IN (AM)
C1256 C1290 C1258
NC 0.47 4.7 0.1
16V
16V 25V
REF VOLTAGE
R1239 4.7k
MAIN-R
SC1-IN-R
MAIN-L
SC1-IN-L
R1240 4.7k
ASGND1
R1241 4.7k
DTV-R
IC1231
SC2-IN-R
MSP3411G-QA-B11 DTV-L
SC2-IN-L
R1256
ASGND2
4.7k
SC3-IN-R
SC3-IN-L
ASGND4
FR-IN-R
FR-IN-L
NC
REF VOLTAGE
C1254
0.1
A GND
50V
A GND
C1285
NC 4.7
16V
NC
R1299
XX
L1233
C1249 10 50V
10uH
R1238
R1237
47 0
1/4W
FPRD
D1235
UDZS-12B C1251
D1239
39p RD8.2ESB3
D1237
8.2C
UDZS-12B
C1247 10 50V C1250
47
35V
D1236 D1238
UDZS-12B
UDZS-12B
ATV-L
C1286
C1289
ATV-R
47 47
35V 35V
TV-L
TV-R
C1287 C1288
47
47
35V 35V
C1246
XX
C1240 C1244
C1241
XX XX XX
2200p
B
RGB_TXT
A 2/9
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
N O