Read Sony STR-DB900 Service Manual online
17
17
STR-DB900
STR-DB900
4-5. SCHEMATIC DIAGRAM — DIGITAL SECTION (1/3) —
IC216
IC211
R379
R390
X203
C291
C292
R381
C293
C294
FB210
R380
R385
R384
R383
R382
R387
FB209
FB212
C295
R378
D202
R386
C286
C285
C288
C289
C290
R372
R369
C282
C284
R374
R371
R349
R348
C266
C281
R368
R362
R364
R361
R353
R352
C264
R351
R350
R370
C279
R366
R355
C273
D201
R358
FB208
R359
R356
R367
C269
C270
R373
C283
C280
R363
J201
IC218
IC214
IC213
IC212
C262
R345
R346
C263
R354
C271
R344
C260
C261
R340
R343
FB207
EP202
L201
Q203
Q204
Q201
Q202
C278
C276
IC217
CN207
TC7WU04F
SN74HC153
1M
330
12.288M
39p
22p
3.3k
0.1
220
10V
10V
0UH
100
100
100
22
22
100
0UH
0
470p
1k
1SS355
1M
0.01
0.1
0.1
10
220
10V
10V
6.8k
47k
2200000p
3.3
50V
50V
100
47k
100
10k
0.01
0.1
3.3k
100
100
4.7k
10k
10k
10
100
100
5.6k
0.1
10k
100k
220
10V
10V
1SS355
0
0UH
470k
47k
470
47
25V
0.1
75
0.1
22
25V
100
1P
TORX141L
TORX141L
TORX141L
TOTX141L
(RED)
0.1
100
100
0.1
100
0.1
0
0.1
10
50V
10k
10k
0UH
DTC114EKA-T146
DELAY
DTC114EKA-T146
DELAY
DTC114EKA-T146
INVERTER
DTC114EKA-T146
INVERTER
47
25V
0.1
LC89056W
25P
BUS
+3.3V
GND
202-43
202-44
207-1
207-2
207-3
207-4
207-5
207-6
207-7
207-8
207-9
207-10
207-11
207-12
207-13
207-15
207-17
207-19
207-21
207-23
207-224
207-225
AUDIO
XSTATE
DATA
LRCK
BCK
CK OUT
202-12
XMCK
202-11
202-21
202-13
202-20
202-22
202-10
202-14
IR TRANSMITTER
IR RECEIVER
IR RECEIVER
IR RECEIVER
INPUT SELECT
WAVE SHAPER
DIR
BOARD
(Page 25)
OPTICAL
DIGITAL
DIGITAL
COAXIAL
AMP
(2/3)
(3/3)
DIGITAL
DIGITAL
BOARD
BOARD
(Page 18)
(Page 19)
• See page 12 for Waveforms.
• See page 34 for IC Block Diagrams.
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