Schematic Diagram -Main Section (2/3) - Sony CDX-GT440U Service Manual

4-5. SCHEMATIC DIAGRAM – MAIN Section (2/3) –
1 2 3
A
MAIN BOARD (2/3)
CN701
R703 100k
28P
JL001 R701 0
WAKE_UP 28
B JL002
27
BU_CHECK
JL003
OPEN_REQ 26
JL004
EJECT_OK 25
C701
C704
JL005
100
A_3.3V 24 0.01
10V
JL006
A_GND 23
JL007 R201 1k
AU_RCH 22
JL008
AU_GND 21
JL009 R101 1k
AU_LCH 20
JL010
A_ATT 19
JL011 R704 0
CDM_ON 18
JL012
C
CD_ON 17
JL013
DR_GND 16
CD MECHANISM
JL014 C702
UNIT DR_6V 15 C705
22
JL015 0.01
(MG-101Y) 16V
USB_GND 14
(1/2) JL016
AUDIO_8.5V 13
JL017
RXD(MC_BUS) 12
JL018 R706 100
TXD(MC_BUS) 11
JL019 R707 100
D_GND 10
JL020 R712 0
Z/Y_CHECK 9
JL021
Z-MUTE 8
D JL022 R709 100
VBUS_ON 7
JL023
NCO 6
JL024
5
BU_GND
JL025 C703
C707
BU_3.3V 4 10
JL026 0.01
FB705
16V
SYS_RST 3
JL027
NCO 2
JL028
NCO 1
R710 100k
E
Q701
RT1N141C-TP-1
3.2
FLASH PROGRAMMING BUFFER
0
L501
47uH
Q502
TPC6108(T5RSONYF,M
F F501
USB POWER SWITCH
2A
14.4 14.4
4 5 6
S D D
G D D
3 2 1
G 7 14.4
R501
56k
0
Q501
RT1N141C-TP-1
USB POWER CONTROL
3.3
H
C503 R504
1 68k
C502
C504
120
0.1
16V
I D502
MA2J1110GLS0
R505
1k
R513
J
K
CDX-GT440U/GT444U/GT447UE
• See page 14 for Waveforms.
4 5 6
WAKE_UP
BU_IN
FB701
2.2uH
R717 0
C201 560p
FB301
C101 560p
CDM_ON
CD_ON
FB702
C706 0.01 MC_TX
MC_RX
Z_MUTE
VBUS_ON
R713 100k
R714 0
FB707
D701
LBAT54ALT1G
IC B/D IC503
IC503
NJM2387ADL3(TE2)
USB POWER CONTROL SWITCH
1 2 3 4 5
Q503
RSQ035P03TR
L502
R508
SWITCHING REGULATOR
68uH
0
14.4 3.3
R520 R521
4 5 6
10k 3.3k
S D D
0.5% 0.5%
C513 R503
0.1 12k
R511 C516
1.5k
0.1
G D D
C506
3 2 1 C518
470p
220
10V
12.8 3.3
C521
470p D512
MA2J1110GLS0
D511
IC B/D
MA2J1110GLS0
8 7 6 5
Q504
IC501
R518 RT1N141C-TP-1 0 0.1
C519
56k
0 1
IC501 0.5%
TPS40200DRG4
D510
DC/DC R516
CONVERTER 100k MAZ8039GLLS0
1 2 3 4 Q505
0.5%
RT1N141C-TP-1
C508
R514
1500p
330k
R517 C514
R510 C509
C507
22k 330
100k 15p
1
0.5% 10V
C505
Q504,505
470p
USB OVER CURRENT DETECT
IC B/D
IC502
IC502
TC7WH123FU(TE12R)
DC/DC CONVERTER CONTROL
R515
10k
0 3.3
1 8
A VCC
R519
10k
1.3 2.6 1k
2 RX/CX 7
B
C515
3.3 470p
3 CLR CX 6
0.9
4 GND Q 5
C517
0.1
• See page 24 for IC Block Diagrams. • See page 27 for IC Pin Function Description.
7 8 9 10
(Page 18)
MAIN BOARD
(1/3)
1
3.3
0
Q402
RT1P141C-TP-1
FLASH PROGRAMMING BUFFER 3.3
80 79 78 77 76 75 74 73 72
JL039
81
NCO
R465
82
TU_ATTIN
BU_IN 0 2.7
83 BU_CHECK
0
R405
84 EQ TYPE_SEL
220k JL040
R600 85
NCO
100k
86
C413 NCO
1000p
87 NCO
88 NCO
C416
89 NCO
0.01
3.3
90
VCC
2
91 VSS
R410 470
1.9
X401
92 OSC_OUT
7.92MHz
1.2
93 OSC_IN
94
NCO
3
95
SIRCS
96 NCO
0
97 BEEP
0
98 CYRIL_SEL
ZAPPIN
SYNC_OUT R467 0 R407 2.2k 1.6
99
SYNC_OUT
DD_ON 3.3
100 DD_ON
R408 100k
D401
LRB751V-40T1G
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
JL041
R420
100
GT447UE
3
GT440U/
GT444U
19 19
11 12 13
0
Q401
3
RT1N141C-TP-1
FLASH
PROGRAMMING
BUFFER
*1 R449
100k
(GT447UE)
*2 R450
100k
(GT440U/GT444U)
*3 R451
R446 100k
100k (GT440U:US/GT447UE)
R452
*4 100k
(GT440U:AEP,UK,RU/
GT444U)
R453
*5 100k
C429
(AEP,UK,RU)
0.01
R454
*6 100k
(US)
71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
3.2 R444 2.2k
LCD_SCK 50
3.1 R443 2.2k
LCD_SO 49
0.2 R442 2.2k
LCD_CE 48
3.3
EXTATT_XEN 47
3.3
KEY_ACK1 46
3.3
KEY_ACK0 45
VSS 44
NCO 43
IC401
NCO 42
3.3
IC401 RC_IN0 41
MB90F882PF-G-111E1 3.3
KEY_IN0
40
SYSTEM CONTROL
R438 100
3.3
KEY_IN1 39
0 R437 100
SA_IN 38
0.5 R436 100
VSM 37
C424
QUALITY 36
0.01
AVSS 35
3
RC_IN1 34
3.3 R435 C423 R434
1
AVRH 33
100 0.01 100k
3.3
AVCC 32
0
ATT 31
R422
100
R426 2.2k
R427 2.2k
R406 100k
R428 100k
R429 100k
R431
100k
AEP,UK,RU
MODEL
US MODEL
C434 0.01
C435 0.1
C436 0.01
R466
0
L503
10uH
C523
R523 R524 R525
100
1k 1k 1k
10V
CDX-GT440U/GT444U/GT447UE
14 15 16
19
20
21
BUS3
LCD_CLK
LCD_DATA
LCD_CE
C428
1000p
RC0
KEY0
KEY1
MAIN
SA_IN
3
BOARD
22 (3/3)
(Page 20)
RC1
ATT
ZAPPIN
BUS4
BUS5
CN401
8P
JL035 R464 100
1
RESET
JL034 R463 100
2 CLK_IN
JL033 R462 100
3 UART_CLK
JL032 R461 100
( )
4 Ucom-TX(CD-RX)
FLASH
JL031 R460 100
5 Ucom-RX(CD-TX) PROGRAMMING
JL036
6 3.3V
JL030 R459 100
7 FLASH_W
JL029
8 GND
23
MAIN
4
BOARD
(3/3)
24
(Page 20)