Schematic Diagram - Main Section (3/5) - Sony WX-GT90BT Service Manual

5-6.

SCHEMATIC DIAGRAM - MAIN Section (3/5) -

1 2 3
MAIN BOARD (3/5)
A
11
12
3
88
MAIN
13
BOARD
(1/5) 14
(Page 29)
B 15
16
BUS3
6
BUS2
G_HOST_GND
MAIN
C
USB_OVER
BOARD
(5/5) USB1_ON
(Page 33)
DC_DC
R203
0
D
R201
0
10
BUS4
MAIN
BOARD
(4/5)
(Page 32)
1 MIC_DET
2 D_GND
E
3 VCC
4 D_GND
5 BT_POWER
6 BT_CTS
7 BT_RTS
8 BT_TX
9 BT_RX
10 NC
MJ1
F
11 LCH_N
MIC IN
BT
12 LCH_P
BOARD
13 RCH_P
14 RCH_N
15 AUDIO_GND
16 BT_MIC_PWR
17 RESET
18 MUTE
G
19 GND
20 GND R200
0
21 GND
22 GND
JL001
C1301 C1315
1 22
H
C1307
0.01
I
R1314
0
L1301
47uH
J
C1304 R1300 R1320 C1325
47 1k 1k
K
WX-GT90BT/GT90BTE/GT99BT
• See page 28 for Waveforms. • See page 39 for IC Block Diagrams. • See page 43 for IC Pin Function Description.
4 5 6
BU_IN
RE1
RE0
BT_MIC_DET
BT_POWER
BT_CTS
BT_RTS
BT_TX
BT_RX
LCH_N
LCH_P
KEY1
RCH_P
KEY0
RCH_N
BT_RST
C1316
1
IC B/D
IC1300
1 DC/DC CONVERTER
IC1300
R1301 OZ539IGN-A1-0-TR
100
10.3 6
VREF
1
16
BST
5 1.5
RT
2 15
LX
14.4
GNDA
3 14
VIN
3.3 0
SS_SYS
4 13
EN_SYS
5 3.3
EN_USB
5 12
USB_OUT
0.9 0
VIC_USB
6 11
FB_US
5 0.9
ISET_USB
7 10
USB_IN
FB1301
0.8 3.3
0 FLT_USB
8 9
SYNC
C1306 R1311
680p 39k
C1320 R1312 R1313 C1305 C1311 C1318 C1326 C1312
0.022 0.1 10k 150k 22 100 1000p 47p
16V
7 8 9
R582
33k
R583
R581
R790 30k
100k
0
C106
0.1 JL502
R590
R507
0
100k
R107
0
75 74 73 72 71 70
CL002
3.3
76
CL003
77
R587 C522 C523
0 R517 0.01 0.01
CL004
78 DEBUG_3
1k
3.3
79 DEBUG_1
3.3
80 RE-IN0 DEBUG_2
R518 3.3
R521 R522
1k 81 RE_ON RE-IN1
33k 33k
CL005
82 RE_ON(RESERVE)
83 NCO
84 NCO
85 NCO
JL500
3.3
86 NA
C514 87 NCO
1000p
88 NCO
3.3
89 KEYACK0
3.3
C512
90 KEYACK1
1000p
R523
91 NCO
100
3.3
92 KEYIN1
3.3
93 KEYIN0
R524 100
94 AVSS
RCIN0 3.3
95 RC_IN0
R525 3.3
100 96 AVRH
3.3
C502
97 AVDD
1000p
98 NCO DOWNLD_DET
R516
0
10k
99 BT_MIC_POWER
3.3
100
JL008
1 2 3 4 5 6
C508 R541
X502
22p R542 10M
32.768kHz
C1308
220k
2.2
C507
R1302
22p
100k
R544
R543
1M 3 2
C509
0
8p
C1309
0.01
1
R1305
10k
X501
7.92MHz
C1310 0.1
R1307
2
82k
R1308
C511 R535 R536
82k
8p 1k 100k
R1315 R864
0.01 10k 0
Note 1: When the BT board is defective, exchange
the complete mounted board.
31 31
10 11 12 13
R575 R579
100k 10k
JL501
R502 C504 C513
R580
100k 0.1 0.01
100k
R573 R577
100 100k
R595
100
69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
NCO 50
NCO 49
NCO 48
3.3
HIT2_RESET 47
2.3
HIT2_CLK 46
2.5
HIT2_DATA 45
3.3
CE 44
R584
NCO 43 100k
<0>
MEC_EJECT 42
<0>
MEC_LOAD 41
NCO 40
IC501
0
EPM 39
R567
MAIN SYSTEM CONTROLLER NCO 38 100k
IC501
NCO 37
R5F3650ECDZ98FB (AEP, UK, RU, E, IND)
R5F3650KCDZ95FB (US, CND)
NCO 36
3.3
XM_POWER EN 35
0
XM_RX 34
3.3
XM_TX 33
0
FW_BUSY 32
0
FW_CLK 31
0
FW_RXD 30
0
FW_TXD 29
3.3
I2C_SIO 28
3.3
I2C_SCK 27
0
BEEP 26
R555
0
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
(E, IND)
R508 R519
2.2k 0
C518
0.047
R552
100
R540
100k
R554 R506 R550
100k 220k 100k
R505
4.7k
R553
0
Note 2: When IC501 is replaced, the destination setting is necessary. Refer to "NOTE THE
MAIN BOARD OR SYSTEM CONTROLLER (IC501) REPLACING" on page 4.
WX-GT90BT/GT90BTE/GT99BT
14 15 16 17
EN_SYS
C510
1
99
18
20
R510 100
21
R511 100
22
23
24
EJECT
25
LOAD
26
27
98
C521 C520
47p 47p
XM_PWREN
XM_RX
XM_TX
R563 100
JL005
R562 0
JL003
R561 0
JL004
I2C_SDA
I2C_SCL
JL006
R560
100k R101
0
R557 R100
2.2k 0
R556
2.2k
4
MAIN
BOARD
(2/5)
(Page
30)
89