Schematic Diagram - Main Section (1/4) - Sony HCD-MX500i Service Manual

HCD-MX500i/MX550i

5-13. SCHEMATIC DIAGRAM - MAIN Section (1/4) -

1 2 3 4
MAIN BOARD (1/4)
3
A
(Page
MC[66]
MAIN
34)
BOARD
(3/4)
CN410
5P
JL527
OPEN 1
JL528
CLOSE 2
JL529
MS-203
DGND 3
BOARD
JL530
B
CLOSE SW 4
JL531
OPEN SW 5
CN403
13P
JL513
VOLUME_JOG 1
JL514
EVER 3.3V 2
JL515
KEY_1 3
C JL516
KEY_2 4
R247
DGND 5
G
100
JL518
SIRCS 6
JL519
STBY_ LED_R 7
FL
JL520
BOARD
FL/LCD_GND 8
CN621 JL521
R252
FL/LCD +7V 9
(Page 39)
JL522 100
FL/LCD_RESET 10
JL523 R253 100
FL/LCD_CS 11
D JL524 R254 100
FL/LCD_DA 12
JL525 R255 100
FL/LCD_SCLK 13
JL526
E
F
R251 R250
0 0
G
H
R246
0 JL517
C535 C401
0.1 1
I
1
J
5
1
2
3
1
4
5
MAIN
6
BOARD
FB534 0
K (2/4) 7
(Page 33)
8
9
10
L
HCD-MX500i/MX550i
• See page 28 for Waveforms. • See page 42 for IC Block Diagrams. • See page 47 for IC Pin Function Description.
5 6 7
C418 R599
1 100k
MC[58]
Q517 R391
RT1N237C-TP-1 1k
MC[57]
0
3.3 0
MC[72] Q504, 517
AUDIO LEVEL DETECT
3.3
MC[70]
Q504
RT1P144C-TP-1
MC[71]
MC[4]
MC[46]
MC[61]
MC[3]
MC[1]
IC B/D
MC[2]
MC[41]
IC507
LOADING MOTOR DRIVE
IC507
BA6956AN
1 2 3 4 5 6 7 8 9
C532
0.1
R535
4.7k
MC[59]
MC[60]
R388
4.7k
R532
1k
C493 C490 C491 C492 R533 C494 C564
15p 68p 15p 68p 1.2k 68p 1
C489
Q509
15p
ISA1235AC1TP-1EF
OVER CURRENT PROTECT
R245
0
R519
10k
R520
R583
1k
10k
C403 C402 C563 C536 C518 C530
0.01 1 0.01 1 1 0.1
IC402
20 19 18 17 16
D503
DA2J10100L
EEPROM
IC402
MFI341S2164
1 15
NC NC
3.3
IC B/D 2 14
MODE1 MODE0
2 3
3.3
3 13
NC I2C_SDA
IC405
3.3 3.3
4 12
RESET I2C_SCL
3.3
5 11
+3.3V REGULATOR VCC VSS
IC405 FB502
TK11133CSCL-G 0
4
6 7 8 9 10
C502
10p
R591
0
8 9 10 11
R565
Q512 4.7k (MX500i: CND)
RT1N141C-TP-1 0 (MX500i: CH, SP)
iPod WAKE UP DETECT
R465
1k (MX500i: CND)
3.3
4.7k (MX500i: AEP/MX550i)
0
R374 C472 R577 R473
10k 0.01 10k 10k
R584
10k
R474
1M
D502
DA2J10100L
R480
1k
MX500i: AEP, CH, SP/
R492
MX550i
100
MC[92]
80 79 78 77 76 75 74 73 72 71 70
R482
CL481 81 HP_MUTE
100
MC[82] CL482 0
82 TA_LINE_MUTE
R483 1k CL483 0
83 POWER_PROTECT
MC[84] R484 100 CL484 0
84 SINGER_ON
MC[85] R485 100 3.3
85 BOLERO/iPod_ON
R486 100
MC[86] 3.3
86 ZIPANG_ON
R487 100
MC[87] 3.3
87 CD_XRST
R488 100
MC[88] 0
88 CD_DRIVER_MUTE
R489 100
MC[89] 0
89 MP3_IREQ
R490 100
MC[90] 3.3
90 CD CCE
R491 100
MC[91] 3.3
91 CD CLK
0
92 DEC BUS SEL
R493 100
MC[93] 0
93 CD BUS3
R494 100
MC[94] 0
94 CD BUS2
R495 100
MC[95] 0
95 CD BUS1
96 Avss
MC[97] 0
97 CD BUS0
3.3
R497
98 VREF
100
3.3
99 Avcc
3.3
100 LCD DI
R400
10k
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
AC-DET
12 11
R401
MC[24]
100
MC[22]
R413 X402
0 5MHz
MC[26]
CL400
C501
10p
R409
10k
C510
X401
18p
32.768kHz
C511
18p
32 32
12 13 14 15
Q516
2SC3052EF-T1-LEF
3.2
PROTECT DETECT
R574 3.3
R579
1k
220k
3.2
R565 R463 (CND, CH, SP) C529 C528 C527
1k R556 0.1 0.1 470
47k 10V
R465
R456
100
R466 MX500i: AEP/
100 MX550i
R451
100
(MX550i)
R450
100
69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
ST_TUNED
R449
100
<3.3>
DAB-POWER_1.2 50
<3.3>
R448
DAB-POWER_3.3 49
100
3.3
VOL IIC_CLK/E2P-CLK 48
3.3 R447 100
VOL IIC_SDA/E2P-SDA 47
3.3 CL446
STBY_LED 46
R445
3.3
S-MASTER_INIT 45
R444
3.3
S-MASTER_NSP_MUTE 44
R443
3.3
S-MASTER_LATCH 43
IC401 R442
3.3
S-MASTER_SHIFT 42
CL441
0
SYSTEM CONTROLLER LCD BACKLIGHT 41
R440
3.3
IC401
S-MASTER_DATA 40
R5F364AEDFA
CL439 R439
3.3
S-MASTER_RESET 39
R438
3.3
S-MASTER_SOFT_MUTE 38
R437
3.3
S-MASTER_PG_MUTE 37
<0>
DAB RxD_IN 36
<3.3> R435
DAB TxD_OUT 35
3.3 CL434
S-MASTER_DCP 34
3.3 R433
USB_RTS 33
3.3 R432
USB_RxD_IN 32
3.3
USB_TxD_OUT 31
R431
100
(CND, CH, SP)
R518 R427
47k 100
(EXCEPT CND)
R422 R424 R426 R428
R418 100 100 100 100
100
MX500i: AEP/
MX550i
16 17 18 19
C416
0.1
R548
4.7k
MC[50]
MC[49]
2
MC[48]
MAIN
MC[47]
BOARD
R446 100 MC[46]
(3/4)
100
INIT
(Page 34)
100
NSPMUTE
100
SCLATCH
100
SCSHIFT
R441 100
MC[41]
100
SCDT
100
/RST
100
SOFTMUTE
100
PGMUTE
R436 100
MC[36]
100 MC[35]
R434 100 /DCP
100 MC[33]
100 MC[32]
MC[31]
R536 CN401
47k 9P
9 GND
8 RXD
7 BUSY
R430
6 VDD
4.7k
5 SCLK (NC)
R429
4 TXD
4.7k
MC[9]
3 PGM
MC[12]
R524
2 RST
4.7k
1 GND
R522
4.7k
R412 R529
10k 10k
C540
0.1
C412
0.1
Note: When the MS-203 board is damaged, exchange
the entire CDM85 (CD) ASSY.