Schematic Diagram -Main Section (3/3) - Sony WX-GT77UI Service Manual

4-6. SCHEMATIC DIAGRAM – MAIN Section (3/3) –
1 2 3
A
B
MAIN BOARD
(3/3)
C
CN201
28P
JL028 R217 0
WAKE_UP
28
JL027
D BU_CHECK
27
JL026
OPEN_REQ 26
JL025
EJECT_OK 25
JL024
C208
A_3.3V 24
JL023 100 10V
A_GND 23
JL022 R214 1k
AU_RCH
22
JL021 R212
AU_GND
21
JL020 R213 1k
AU_LCH
20
JL019
AU_ATT 19
JL018 R211 0
CDM_ON 18
JL017
E CD CD_ON 17
JL016
MECHANISM DR_GND 16 L204
JL015
DR_6V
UNIT 15
JL014
USB_GND
(MG-101Z) 14
JL013 R209 0
(2/2) MECHA_8.5V 13
JL012 R207 100
RXD(MC-BUS) 12
JL011 R208 100
TXD(MC-BUS) 11
JL010 L203
D_GND 10
JL009
VBUS_CHECK
9
JL008
Z_MUTE
8
JL007 R205 100
F VBUS_ON
7
JL006
NCO(FLASH_W) 6
JL005 R204
BU_GND 5 L201
JL004 0
BU_3.3V 4
JL003
SYS_RST 3
JL002
NCO
2
JL001
NCO
1
G
Q801
USB POWER SWITCH SWITCHING REGULATOR
R803 R804
L801
0.012 0.012
47uH F801
1/2W 1/2W
2A
4 5 6 1% 1%
1 4
S D D
2 3
H R805
Q802 G D D
1.5k
RT1N141C-TP-1
3 2 1
USB POWER
C801 R801 C805
CONTROL
0.1 56k 470p
0
R802 R809
56k 0
3
IC B/D
8 7 6 5
IC801
I
DC/DC CONVERTER
1 2 3 4
C802
R806
120
68k
16V
C803 C806 C808
1 470p 1500p
C804
0.1 R808 C807 C809
100k 1
IC B/D IC803
J R816
D804
IC803 1k
1SS355WTE-17
C823
TC7WH123FU(TE12R)
0.01
DC/DC CONVERTER CONTROL
0 3.3
VCC
A
R821
R818 R822
1.3 2.6 1k
10k 0
Rx/Cx
B
C819
470p
3.2
Cx
CLR
C820 0.1
0.9
Q
GND
K
R819 R820
10k 2.2k
L
WX-GT77UI/GT78UI/GT78UIM
• See page 17 for Waveforms.
4 5 6
BU_CHECK
WAKE_UP
EJECT_OK
R216 0
C209
R215 0
0.01
C206
0 560p
C207
560p
CDM_ON
CD_ON
C204
C205
22 16V
0.01
C203 0.01 MC_TX
MC_RX
Z_MUTE
VBUS_ON
L202
C201 C202
10 16V 0.01
R201
100k
D201
BAT54ALT1G
R202 R203
0 0
Q803
4 5 6
S D D
X501
7.92MHz
G D D L802
68uH
3 2 1
1 4
2 3
C811 R811
82k 82k
C810
0.5% 0.5%
0.1
R812
100k
0.5%
C813
330
10V
R810
R813
330k
IC B/D
22k
0.5%
Q806
15p +5V REG IC802
USB POWER CONTROL SWITCH
C815 R814
3.3 3
0.1 56k
/OC
/EN
5.1 0.7 4 5 6 5.1 5.1
IN OUT
S D D
5.1 5.1
IN OUT
5 5.1
Q804,805
OUT
GND
VOLTAGE
G D D
DETECT
3 2 1
IC802
TPS2051BDRG4
5
C817
Q805 100
RT1N141C-TP-1 10V
0.1
R815 C824
10k 0.01
• See page 30 for IC Block Diagrams. • See page 31 for IC Pin Function Description of IC501.
7 8 9 10
(Page 19)
MAIN BOARD (1/3)
2
R559
100k
D202
1SS355WTE-17
0
3.3
Q201
C512
RT1P141C-TP-1
0.01
CD MUTE
3.2
R552
100k
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
R562 0
XFLASH
81
R564 C513 1000p
NCO
4.7k 82
BU_CHECK 2.6
83 BU_CHECK
DAVN 3.1
84 DAVN
R563
85 NCO
220k
86 NCO
R566
NCO
100k 87
VBUS_ON
3.2
V-BUS_ON
88
R565 100 3 IC501
USB_OVR
89
C514 3.3
90 VCC IC501
0.01
MB90F883AHPF-GE1-387A
91 VSS
1.9 SYSTEM CONTROL
92 OSC_IN
R567 3
1.1
93 OSC_OUT
100k
R568
NCO
1k 94
3
SIRCS
95
2
96 NCO
0
97 BEEP
0
98 ZAPPIN_BEEP
1.6
99 SYNC_OUT
100 NCO
R570
100k
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
R509
1k
R518
L501
L803
C822 R825 R826 R827
10uH
100 10V 1k 1k 1k
CAM003
21 21
11 12 13
(Page 20)
EXCEPT
US MODEL
R541
100
R544 100k
US MODEL
R539
100k
R538 100k
R540
100
60 59 58 57 56 55 54 53 52 51 R536 R537
100k 100
R535 470 LCD_SCK
3.1
LCD_SCK
50
3 R534 470 LCD_SO
LCD_SO
49
0.3 R533 470 LCD_CE
LCD_CE
48
NCO
47
3.2
R531
KEY_ACK1 46
1k
3.2
KEY_ACK0 45
VSS
44
R532
NCO
43
10k 0.5%
C511 RC_IN0
NCO
42 1000p
3.2
R530
RC_IN0
41
3.2 R529 100 10k 0.5% KEY_IN0
KEY_IN0
40
3.2 R527 100 KEY_IN1
KEY_IN1 39
0
SA_IN 38
R528 10k 0.5%
0.5
VSM
37
C510
C509
NCO
36 1000p
0.01
AVSS
35
3.2 RC_IN1
RC_IN1
34
3.3
R525
AVRH 33
100
3.3
R526
AVCC 32
10k 0.5% CDM_ON
3.2
CDM_ON 31
21 22 23 24 25 26 27 28 29 30
I2C_SCK_C
I2C_SIO_C
R519
4.7k 4.7k
C507 1000p
R523
R520 100k
0
C508 1000p
R521 100k
R522 100k
D502
1SS355WTE-17
WX-GT77UI/GT78UI/GT78UIM
14 15 16
MAIN BOARD (2/3)
3
Q501-503
FLASH
PROGRAMMING
BUFFER
Q501
RT1P141C-TP-1
0 3.3
CN501
8P
3.2
JL050
1 RESET
JL051
CLK
2
JL052
NCO
3
JL053
( )
FLASH
4 RX
PROGRAMMING
JL054
5 TX
JL055
6 3.3V
JL056
7 F_WRITE
JL057
3 GND
8
0
Q502
RT1N141C-TP-1
3.3
Q503
0
RT1N141C-TP-1