Schematic Diagram - Sub-Main Board (1/2) - Sony SA-WCT800 Service Manual

SA-WCT800
4-1.

SCHEMATIC DIAGRAM - SUB-MAIN Board (1/2) -

1 2 3
SUB-MAIN BOARD (1/2)
A
CN7400
7P
CL7471
3.3V 1
CL7472
GND 2
CL7473 R7401 100
Prog_VURX 3
CL7474 R7402 100
(NC) SCK 4
CL7475 R7403 100
Prog_VUTX 5
CL7476 R7405 100
B RESET 6
CL7477
MD0 7
R7400
100
CN7407
(Page 21)
4P
CL7202
>01S
GND 1
NC 2
SUB-KEY CL7478
C KEY_PAIR 3
BOARD
CL7479
CN7010
KEY_POWER 4
D
C7401
0.1
E
R7408
10k
F
R7415
10k
G
C7402
0.1
C7403
0.1
H
C7413
0.1
C7400
10
I
3.3
2
(Page 21)
CN7405
3P
>02S CL7217
VCC 3
CL7218
SUB LED
LED(G) 2
CL7219
BOARD
LED(R) 1
CN7000
R7514
J
R7506
CL7480
CL7481
R7515
K
R7518
CL7499
SA-WCT800
• See page 17 for Waveforms. • See page 24 for IC Block Diagrams. • See page 26 for IC Pin Function Description.
4 5 6
R7426 R7432 R7430
10k 10k
C7405 C7410 C7408 C7409 R7458 R7441
0.1 0.1 0.1 0.1 47k
R7447 R7450
10k 10k
R7423 R7424
10k 10k
49
R7409
100
1 50
TCK
R7406 100
3 51
TDI
R7410 100
3 52
TMS
R7407 100 3 53
TDO
54
JL7463
55
IC7400
JL7464
56
JL7465
57 SYSTEM CONTROLLER
JL7466
IC7400
58
JL7467 MB9AF142LBPMC1-G-JNE2
59
JL7468
3.4 60
PVDD_STBY
3.4 61
VCC
62
JL7407
PVDD_SD_EN
63
64
VSS
R7509
0
1 4
E E
0
B B 5
CC
Q7401
6 3
RN1902
0 4.1 LED DRIVE
R7513
470 330
C7404
0.01
0
0
0
7 8 9
10k
47k
R7463
1k R7459
10k
C7415
0.1
1
R7457
C7416
1k
0.001
X7400
4MHz
32
VSS
C7412
31 1.5
0.001
X1
30 1.4
X0
29 0
R7452
MD0
2.2k
28 0
MD1
JL7444
27 3.2
WS_INT
JL7443 R7507 0
26 3.3
WS_SDA
JL7442 R7508 0
25 3.3
WS_SCL
24 3.4 JL7441
WS_RST
23
22
JL7438
21 3.4
INITX(RESET)
20
JL7437
19
JL7436
18 3.4
C7411
VCC 4.7
JL7434
17 1.2
C
R7466
10k
3.4
C7419
R7468
0.22
47k
0
Q7403
LSCR523UBFS8TL
RESET SWITCH
D7401 R7467
DA2J10100L 100k
18 18
10 11 12 13
JL7100
C7132
0.1
8.3 1
15.6 2
R7460
10k
L7103 15.6 3
2.2uH
R7147 4
1k
R7461
3.3k
R7462
3.3k C7126
10
JL7103 JL7109
WS_INT
WS_SDA
WS_SCL
WS_RST
R7153
1k
3.4 1
C7429
JL7108
2
0.1
C7109 C7137
C7138
1 10
10
R7504
22k
R7503
47k
R7470
10k
D7102
CRH02(T5R,SONY,XM)
JL7102
IC7402
VOLTAGE DETECT
IC7402
PST8429UL
2.5 3 2 5
CD VDD
3.4 4 1
OUT GND
C7420 C7421 C7427 R7502
0.01 0.022 0.01 33k
JL7101
14 15
(Page 19)
1
2
>101S
3
4 SUB-MAIN
BOARD
5
(2/2)
6
7
JL7107
L7102
6.8uH
IC7105
DC/DC CONVERTER
IC7105
BD9E102FJ-GE2
8 4
C7127
BOOT SW 22
7
VIN PGND
6 0.5
EN COMP
5 0.8
AGND FB
R7150 R7149
C7131
470k 150k
680p
R7151 R7148 C7129
150k 18k 12p
C7128
22
IC7108
+3.3V REGULATOR
IC7108
MM3411A33URE
4 4
CE VDD
3 3.2
GND VOUT
Q7100, 7101
B+ SWITCH
4
S
4
R7114
47k
Q7101
NTJS4151PT1G
0.7
R7115
10k
0
3.3
Q7100
R7116 C7108 LTC014EUBFS8TL
10k 1
C7115
100
16V