HCD-MX500i/MX550i
HCD-MX500i/MX550i
32
32
0
3.3
0
0
3.3
0
0
0
0
0
0
0
0
0
0
3.3
3.3
3.3
3.3
3.3
3.3
3
3.3
2.2
3.3
3.3
2.5
0
0
0
0
0
0
0
0
0
0
0
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
<3.3>
3.3
3.3
<3.3>
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
<3.3>
<0>
0
3.2
3.1
3.3
0
0.8
1
3.3
1.7
0.4
0
0
1.5
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.9
1.3
3.9
3.3
3.2
3.2
3.3
3.5
0
0
6.9
6.9
0
0
0
3.3
0
3.3
C535
0.1
1k
R463
ISA1235AC1TP-1EF
Q509
1k
R520
10k
R519
10k
R583
R565
0.1
C530
R478
100
R477
100
1M
R474
100
R404
32.768kHz
X401
10k
R409
10k
R417
0.1
C416
R418
100
47k
R420
10k
R412
C412
0.1
R529
10k
C540
0.1
100
R427
100
R428
CL400
CL429
CL430
10k
R546
100
R444
100
R443
100
R442
100
R441
100
R438
100
R436
100
R435
100
R422
100
R424
100
R431
100
R432
4.7k
R429
4.7k
R430
100
R451
100
R452
100
R456
100
R460
100
R433
100
R489
100
R490
100
R491
100
R492
220k
R41
1
R465
10k
R577
100
R493
100
R494
100
R495
100
R482
4.7k
R548
4.7k
R547
R475
10k
0
R413
CL441
CL446
R410
10M
18p
C511
1k
R483
47k
R536
6
7
8
9
10
MFI341S2164
IC402
C502
10p
1
C518
0.01
C563
100
R448
100
R447
R450
100
100
R449
R461
100
100
R401
100
R402
100
R403
100
R497
100
R419
100
R426
4.7k
R522
4.7k
R524
100
R453
100
R454
100
R455
1k
R457
1k
R458
10k
R557
10k
R558
100
R459
100
R434
100
R437
100
R439
100
R440
100
R446
100
R487
100
R488
0.1
C529
100
R466
R470
100
R471
100
10k
R571
10k
R570
1k
R472
0.01
C472
10k
R576
100
R476
CL473
RT1N141C-TP-1
Q512
100
R484
R480
1k
R556
47k
CL439
1k
R532
BA6956AN
IC507
4.7k
R535
4.7k
R388
1
C564
JL513
JL515
JL516
JL517
JL518
JL519
JL522
JL523
JL524
JL520
JL521
JL525
JL526
JL527
JL528
JL530
JL531
JL529
C501
10p
R400
10k
10k
R541
100
R445
CL469
CL481
CL482
CL483
CL484
CL420
CL412
CL434
JL514
0
R245
0
R246
100
R247
0
R250
0
R251
100
R252
100
R253
100
R254
100
R255
0
R591
5P
CN410
1
OPEN
2
CLOSE
3
DGND
4
CLOSE SW
5
OPEN SW
100
R486
MC[47]
MC[48]
15p
C487
68p
C494
68p
C490
15p
C489
15p
C491
68p
C492
15p
C493
68p
C488
220k
R579
1k
R574
2SC3052EF-T1-LEF
Q516
1
2
3
4
5
6
7
8
9
9P
CN401
GND
RST
PGM
TXD
SCLK
VDD
BUSY
RXD
GND
10k
R534
100
R485
R374
10k
1
C401
1
C402
0
FB502
D502
DA2J10100L
DA2J10100L
D503
RT1P144C-TP-1
Q504
RT1N237C-TP-1
Q517
MC[66]
R473
10k
1.2k
R533
18p
C510
0.1
C528
10V
470
C527
5
4
TK11133CSCL-G
IC405
C403
0.01
C467 100p
C468 100p
1
C536
1
C470
0.1
C532
1
C418
100k
R599
1k
R391
R518
47k
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN403
0
FB534
MC[1]
MC[4]
INIT
NSPMUTE
SCLATCH
SCSHIFT
SCDT
/RST
SOFTMUTE
PGMUTE
MC[36]
MC[35]
MC[33]
MC[32]
MC[31]
MC[9]
MC[51]
MC[52]
MC[59]
MC[60]
MC[89]
MC[82]
MC[90]
MC[22]
MC[61]
MC[24]
MC[91]
MC[93]
MC[95]
MC[94]
MC[2]
MC[3]
MC[18]
MC[19]
MC[53]
MC[54]
MC[55]
MC[46]
MC[88]
MC[87]
MC[57]
MC[70]
MC[71]
MC[76]
MC[28]
/DCP
MC[59]
MC[60]
MC[24]
MC[26]
MC[22]
MC[86]
MC[85]
/SD
MC[84]
MC[41]
AC-DET
MC[78]
MC[58]
MC[72]
MC[77]
MC[9]
IPOD_W
AKE
MC[97]
MC[26]
MC[41]
MC[3]
MC[61]
MC[46]
MC[4]
MC[71]
MC[70]
MC[72]
MC[1]
MC[58]
MC[57]
MC[2]
MC[12]
AC-DET
MC[50]
MC[49]
MC[56]
MC[27]
MC[92]
MC[12]
iPod WAKE UP DETECT
X402
5MHz
EEPROM
IC402
IC405
+3.3V REGULATOR
OVER CURRENT PROTECT
IC507
LOADING MOTOR DRIVE
PROTECT DETECT
(1/4)
MAIN BOARD
7
8
3
1
5
2
10
4
6
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
(MX550i)
(NC)
(CND, CH, SP)
MX500i: AEP/
MX550i
MX550i
MX500i: AEP/
(CND, CH, SP)
(EXCEPT CND)
MX550i
MX500i: AEP, CH, SP/
KEY_1
STBY_ LED_R
FL/LCD_RESET
SIRCS
EVER 3.3V
FL/LCD_SCLK
VOLUME_JOG
FL/LCD +7V
DGND
FL/LCD_DA
FL/LCD_GND
KEY_2
FL/LCD_CS
BOARD
MS-203
Q504, 517
AUDIO LEVEL DETECT
4.7k (MX500i: AEP/MX550i)
1k (MX500i: CND)
R465
0 (MX500i: CH, SP)
R565
4.7k (MX500i: CND)
E
11
J
3
K
D
F
14
15
L
8
G
7
18
I
13
A
10
9
C
19
4
H
16
17
2
6
B
5
1
12
10k
R584
5-13. SCHEMATIC DIAGRAM - MAIN Section (1/4) -
• See page 28 for Waveforms. • See page 42 for IC Block Diagrams. • See page 47 for IC Pin Function Description.
Note:
When the MS-203 board is damaged, exchange
the entire CDM85 (CD) ASSY.