Sony HCD-MX500I / HCD-MX550I Service Manual ▷ View online
HCD-MX500i/MX550i
HCD-MX500i/MX550i
21
21
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM - CD, USB Section -
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(Page 22)
Ver. 1.1
HCD-MX500i/MX550i
HCD-MX500i/MX550i
22
22
R-CH
R-CH
CN01
AUDIO IN
J302
28
SDA
27
SCL
13
IN-L1
VOL L
1 IN-L2
IN-L3
VOL
IIC_SDA/E2P-SDA
47
VOL
IIC_CLK/E2P-CLK
48
AUDIO_LEVEL_INPUT
12
SEL L
25
OUT L
24
SB L
ELECTRICAL VOLUME,
INPUT SELECTOR
IC502
: TUNER
: CD PLAY
: iPod/iPhone
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: AUDIO IN
A
B
CD-L
SP_L
7 IN-L5
CN332
(iPod/iPhone Dock)
27
28
28
LINE AMP
IC503
BUFFER
IC515
R-CH
18
19
13
19
13
LINE-OUT-L
LINE-OUT-R
RXD
10
Acc ID
TXD
Acc PWR(3.3V)
30
DGND
iPod_RxD_IN
iPod_TxD_OUT
iPod_W
AKE
3
75
iPod_DET
76
78 77
: DAB
DAB1
DAB TUNER
MODULE
S1_DIN
S1_DOUT
35 DAB TxD_OUT
36 DAB RxD_IN
AUDR
AUDL
LINE AMP
IC511
SYSTEM CONTROLLER
IC401 (2/4)
ANTENNA
DAB 75
:
FM 75
:
COAXIAL
ANTENNA
TU1
TUNER (FM)
L-OUT
DO/STEREO
CE
TUNED
DI
CLK
R-OUT
R-CH
ST_CE
52
ST_CLK
54
ST_DI/STEREO
55
ST_DO
53
ST_TUNED
51
RDS DATA
RDS INT
RDS_DATA
56
RDS-INT
18
(MX500i: AEP/MX550i)
(MX550i)
iPod POWER
DETECT
Q505
iPod +5V
20
Acc DET
iPod POWER
DETECT
Q506
iPod WAKE
UP DETECT
Q512
AUDIO INPUT
DETECT
Q504, 517
R-CH
32
IN-L4
5
66
+
5-2. BLOCK DIAGRAM - TUNER, iPod/iPhone, AUDIO IN Section -
(Page 21)
(Page 23)
HCD-MX500i/MX550i
HCD-MX500i/MX550i
23
23
B
SP-L
SYSTEM CONTROLLER
IC401 (3/4)
: TUNER
SIGNAL PATH
R-ch is omitted due to same as L-ch.
C
SD
SPEAKERS
+
–
–
+
R
L
TB322
17
RESET_CD
5
SD
PWM_C
PWM_D
7
RESET_AB
S-MASTER_RESET
39
39
OUT_A
36
OUT_B
31
OUT_C
28
OUT_D
6 PWM_A
18
16
PWM_B
8
S-MASTER_DCP
OVER LOAD
DETECT
Q702, 703
PROTECT
DETECT
Q701
LED DRIVE
Q623
BYP
ASS
73
OVER LOAD
DETECT
Q752, 753
DIGITAL POWER AMP
IC707
11
OUTL1
9
OUTL2
6
OUTR1
4
OUTR2
STREAM PROCESSOR
IC705
A/D CONVERTER
IC711
34
TA_LINE_MUTE
MUTING
Q106
MUTING
CONTROL
SWITCH
Q507, 508
82
PROTECT
DETECT
Q516
X703
49.152MHz
S-MASTER_DA
TA
40
SCDT
21
S-MASTER_SHIFT
42
S-MASTER_LA
TCH
43
S-MASTER_PG_MUTE
37
S-MASTER_SOFT_MUTE
38
S-MASTER_NSP_MUTE
44
SCSHIFT
22
SCLA
TCH
23
PGMUTE
20
SOFTMUTE
19
NSPMUTE
18
S-MASTER_INIT
45
INIT
27
31 DATA
2 AINL
1 AINR
R-CH
R-CH
SCLK 12
SDTO 9
LRCK 10
MCLK 11
BCK
30
LRCK
29
XFSIIN
36
XFSOIN
48
CLOCK
BUFFER
IC709
CLOCK
SHIFT
IC703
54
CLKB
53
CSB
55
32
DIN
ND621
FLUORESCENT
INDICATOR
TUBE
G2R - G11
SG1 - SG35,
AD1, AD2
33 - 42
61 - 64, 1 - 31, 60, 59
GR1
1
FL/LCD DO
2
FL/LCD SCL
24
iPod CP
IIC SDA
22
iPod CP
IIC SCL
26
iPod CP
RESET
3
FL/LCD CS
52
RSTB
61
FL/LCD RESET
GRID DRIVE
Q622
FLUORESCENT
INDICATOR
TUBE DRIVER
IC621
SIRCS_IN
REMOTE
CONTROL
RECEIVER
IC622
4
I_KEY
W
AKE UP_POWER & DISPLA
Y
74
VOLUME_JOG
72
STBY_LED
46
KEY_1, KEY_2
T621
DC/DC CONVERTER
TRANSFORMER
D621, 622
RECT
VEE
OSC
Q621
X402
5MHz
Xout
Xin
13
15
X401
32.768kHz
EEPROM
IC402
Xcout
Xcin
11
10
S621 - 632
(PANEL KEYS)
70, 71
2
37
10
STANDBY
VOLUME
KEY_1
D624
12
I2C_SCL
4
RESET
13
I2C_SDA
ROTARY
ENCODER
RV621
5-3. BLOCK DIAGRAM - OUTPUT, PANEL Section -
(Page 22)
(Page 24)
HCD-MX500i/MX550i
HCD-MX500i/MX550i
24
24
20
12
POWER ON 63
D923
POWER CONTROL
IC11
D14
D603
EVER +4V
EVER +3.3V
(AC IN)
F1
LINE FILTER
T1
RECT
D1
TH1
D902
15 VS
18 VD
1 VSENSE
2 F/B
16 VG-H
12 VG-L
8 VC1
POWER CONTROL
IC601
5 DRAIN
2 FB
4 VCC
ISOLATOR
PC11
ISOLATOR
PC602
ISOLATOR
PH601
T031
MAIN POWER
TRANSFORMER
T603
SUB POWER
TRANSFORMER
POWER
ON/OFF
ON/OFF
CONTROL
Q901 - 903
SWITCHING
Q012
SWITCHING
Q011
SHUNT
REGULATOR
IC909
RECT
D904
+12V
REGULATOR
IC710
Q601
9 OCP
D905
AMP +27V
AMP +12V
RESET
69
AC_DET
D927 D914
83
POWER_PROTECT
+3.3V
REGULATOR
IC405
AMP +3.3V
+3.3V
REGULATOR
IC704
VBUS +5V
+5V
REGULATOR
IC506
iPod +5V
AMP +1.8V
+1.8V
REGULATOR
IC712
CD D +3.3V
CD D +1.5V
+1.5V
REGULATOR
IC102
DAB +3.3V
+3.3V
REGULATOR
IC671
A +9V
M +7V
+9V
REGULATOR
IC905
A +5V
+5V
REGULATOR
IC908
+7V
REGULATOR
IC904
RECT
D903
D911
D922
AC-CUT
49
DAB-POWER_3.3
USB +3.3V
+3.3V
REGULATOR
IC509
85
BOLERO/iPod_ON
86
ZIPANG_ON
DAB +1.2V
+1.2V
REGULATOR
IC672
50
DAB-POWER_1.2
C
SD
PROTECT
DETECT
Q904
OVER CURRENT
PROTECT
Q509
SYSTEM CONTROLLER
IC401 (4/4)
D913
(MX550i)
(Except US, Canadian)
(Except US, Canadian)
+3.3V
REGULATOR
IC508
+5V
REGULATOR
IC510
CD A +3.3V
+3.3V
REGULATOR
IC505
CD +5V
+5V
REGULATOR
IC504
A/D +3.3V
+3.3V
REGULATOR
IC702
5-4. BLOCK DIAGRAM - POWER SUPPLY Section -
(Page 23)
Ver. 1.1
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