Sony DXC-390 Service Manual page 97

IC244 (3/3)
IC244 (2/3)
TC74HC4538AFT(EL) TC74HC4538AFT(EL)
C254 R269
560pF 3.3k
(1608) RN-C
R270
14
15
R267 100
330 RN-C
16 T1 T2 10
Q
VCC 11
C250 R271
0.1uF 100k
GND 12 9
Q
8 CD
13
C251 C256
22pF 0.1uF
35V
# R265
1k (N)
NM (P)
IC246 (3/3)
TC74HC4053AFT(EL)
5 4
0 COM
3
1
9
SEL
# R266 # R268
NM
(N) 1k (N)
1k (P) NM (P)
IC236
MB88346BPFV-EF
11
SDATA-5 17 VCC 18 O/FAI
DI AO1
14 19
DO AO2
2 SC FREQ
AO3
3
15
LD AO4
4
AO5
SCLK-5 16 5
CLK AO6
6
AO7
7
CS2
AO8
8
AO9
10 9
VDD AO10
12 H PHASE
AO11
1 13 SC PHASE
VSS AO12
GND
C252 C253
1uF 0.1uF
20
16V
TP232
Q241
2SC4177-T1L5L6
C255 R272
0.1uF
R348
1.2k
TP233
DXC-390/390P
A B
IC240
IC245
(2/2)
TC7S08FU(TE85R)
TL062CPWR
R274 C264
2.4k 0.1uF
RN-C 3
8
+
1
5
R284
2 _
1k
2 VCC 4
C260
4 A Y
0.022uF
1
B
GND
R273 R275
C259 C262 R289
3
10k 10k
0.1uF 22uF 1k
RN-C RN-C 10V
IC237
TC7S08FU(TE85R)
R293
3.3k
5
2 VCC 4
A Y
1
B
GND
3
D230
MA3J142E0LSO
3
IC246 (2/3)
TC74HC4053AFT(EL)
1 2
R279 R285
NM 1k
2 15
0 COM
1
1
10
R290
SEL
5.6k
RN-C
R280 C268 C270 R294
1k 1uF 0.01uF 2.2k
35V
IC238 Q233 Q234
UPC311G2-E2 XN4601-TW XN6435-TW
R276 R282
1k 4.7k 6.8k
RN-C RN-C
C272
6 5
3 6 39pF
2 2 5 4
R288 1 4
8 R277 1 3
1k
10k
2 RN-C
C271
IN1
0.1uF
7
OUT
3 1 3
1 6
IN2
5 2
2 5
6 5 1 4
R283
3 4 2.2k
6 4
C257 C263 R278 R281 C265 C267 R291 R292 C274
0.1uF 0.01uF 1M 180k 0.1uF 4.7uF 6.2k 100k 47pF
10V RN-C
IC239
TC7S86FU(TE85R)
IC247 (1/2)
R286
C258 C261 C266
0.1uF 10uF 10uF 30k UPC358G2-E2 C276
RN-C
10V 16V 0.1uF
3 8
+
1
2 _
C273
4
0.1uF
5
4 VCC 2
Y A
1
B
GND
R295
10k
3
R287 C269
27k 0.01uF
C
SG-265 (2/2) SG-265 (2/2)
B10
R308 # R319
# R323
22k 10k (N)
10k
NM (P)
NM
# R316
1 3
47k (N) 1 6
NM (P)
5 2 5 2
3 4
Q238 6 4
#
XN4601-TW
(N)
NM (P)
R307
22k
IC245 (1/2)
RN-C
TL062CPWR
16
R317
10k
5 L 12 VCC 14
R304 0 COM
+
10k
R296 7 H 13
6.8k 1
RN-C 6 _ 11
SEL
6
R298 3 INH
10k
GND VEE
RN-C
2 8 7
C278 C280
10uF 10uF
C275 16V 16V C283 R309 C284
1
0.01uF 10uF NM 0.1uF
10V
IC246
D231 (1/3)
MA3J14300LSO
TC74HC4053AFT(EL)
TP234
Q235 IC241 Q237
XN6435-TW
XN6501-TW TC7S04FU(TE85R)
# R321
R302 R314 R318
180k 1.2k 1.5k (N)
4.7k
3.3K (P)
R305 6 5
1 3 100k
1 4 3 6
4
RN-C
2 2 5 2 2 5 4
R306
3 6 1 4
1 3
6 5 100 5
RN-C
C285 R310 C287
VCC
0.1uF 3.3k 0.01uF
4 2
C281
Y A
10uF
16V
GND
3
Q236
L230
2SA1611-T1M6
33uH
C313
# C277 R300 R320
18p
68pF (N) 1.5k 2.7k
(P)
33pF
IC247 (2/2)
UPC358G2-E2
R299 R301 R311 R312
1k 1k
10k 33k
RN-C RN-C 5
R297 R303 C282 R322
+
100 2.2k 22pF 100
7
IC248 (3/3)
6 _
TC74VHC123AFT(EL)
C288
0.1uF
16
7 6 VCC
C286
0.1uF
5 CR C GND
Q
R315
9 8
10k
12 10
Q
CLR
11
IC248 (2/3)
TC74VHC123AFT(EL)
C279 R313
10uF 22k
16V RN-C
8-13 8-13
D E
# R327
NM (N)
(N)
150 (P)
(P)
L231
47uH # X230
(N)
14.31818MHz
17.734475MZ (P)
(N) : NTSC (DXC-390) UC, J
C295
0.01uF
R332
(P) : PAL (DXC-390P) CE
14 NM
4
Vdd
1 8
1 3
VC Fout
NM : NO MOUNT
Vss
2
7
C289 C292
0.1uF 10uF
10V
Q239 Q240
D232
XN6501-TW 2SA1611-T1M6
MA3J142E0LSO
C302
R324 R330 R333 R336 10uF
10k 1.2k 18k 1k 16V
# L232 C303 R345
R338
10uF 1.8k
1 3 150uH (N)
1 4 C297 1.1k
2 4 16V RN-C
100uH (P)
15pF RN-C
2 5
2 1
3 6
6 5
3
R342
R325 C291 C293 R329 R331 R334 C312 R337 R339 C301 C304 C307
3.3k
22k 22uF 0.1uF 3.3k 330 4.7k 2.2k 100k 33uF 0.1uF 10uF
18p
10V RN-C 20V
20V
IC242
IC248 (1/3)
NJM360M-TE2
TC74VHC123AFT(EL)
R326 C296 R335 R340 R343
1k 0.1uF 1k 22k 22k
R328 C294
2.2k 22pF
C298
0.1uF
15 14
13 CR C 7 +V 3
Q OUT+ IN+
1
C306 R346
0.1uF 100
4 2 6 2
Q OUT- IN-
CLR GND -V
3
C299
0.1uF
C290
10uF C300 R341 R344 C305 C308
16V 22uF 22k 22k 0.1uF 18p
10V
F G
1
4FSC 44 (44/70) CN103
1
CN103
OBLK 54 (54/70)
2
(55/70) CN103
SYNC 55
ADBIAS1 1/2
2
3
L233
22uH
(52/70) CN103
+9V 52
+5V(D) 1/2
L234
22uH
4
C309
10uF
10V
C310 C311
33uF 0.01uF
16V
INTSC 53 (53/70) CN103
5
GND(D) 1/2
L235
22uH
-5V 1/2
SG-265 (2/2)
GS-SKX-1150_SG-265_011_102
H