Schematic Diagram – Base Main Board (3/3) - Sony SPP-A2770 Service Manual

SPP-A2770
6-8. SCHEMATIC DIAGRAM – BASE MAIN Board (3/3) – •
B1
B2
B3
(Page 31)
B4
B5
B6
B7
R491
0
R496
0
R470
0
B11
B12
B13
B14
B15
(Page 31)
•
See page 25 for Waveform. See page 25 for Note on Schematic Diagram.
C403 C402
L401
3p 2200 10V
60µH
R501 R490
0 0
R500
0
R417
0
R494 R469
0 0
C435
100 L403
10V 1µH
C413 L404 C408 C451
0.1 0 0.022 3p
L413 0
L414 0
R420
100
R422
8.2 H n
L411
0
R424 L405 C416 R423
1M 0 820p 100k
L406 0
TP413
R425 R428 R429
1M 100k 1M
R426 R427
100k 1M
L407 R431
0.1 10k
C426
1
C439
C427 0.1
3p
C453 L408
22 0
C454
3p
L410
0
JC402
0
C438
0.022
TP425
R411 R410 C401
10k 10k 0.1
TP424
R416
0 µH
GND PA
SPOUTP
SPOUTN
VCCPA
HSOUT
LOUT
VCCA
LIN
LGS
DCIN
DSP
CIDIN
IC402
CIDIP
DL16561B11BQC
CIDO
HMGS
HMIN
GNDA
MIN
MGS
VREF
PLLGND
PLLVCC
R441
4.7k C444
0.1
C441
2200
6.3V
C440
0.022
D401 R462 R443
1SS133T-77 0 10k
32 32
(Page 30)
R459
10k
7GEG R458 1E
1E
R457 1D
7SEG 1D
R456 1C
7SEG 1C
R455 1B DB9
7SEG 1B
R454 1A DB10
7SEG 1A
DB12 DB12
DWRN
DB8 DB13
C445
DRDN
0.1
VCC
GND
DB0
DGPIO0
DB1
DGPIO1
DB2
DGPIO2
DB3
DGPIO3
DB4
DGPIO4
R453
DB5
4.7k
DGPIO5
DB6
DGPIO6
TP423 DB7
DGPIO7
R452
DGPIO8 10k
DGPIO9 R450
10k DB0
DGPIO
DB1
10
DB2
DB3
C446 R460
1 10k
IC403
K9F4008W0A
C447
0.1
DB11
DB8
DB7
DB6
DB5
DB4
FLASH MEMORY
C448
0.1