Sony HCD-MX500I / HCD-MX550I Service Manual ▷ View online
HCD-MX500i/MX550i
53
MAIN BOARD IC401 R5F364AEDFA (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
FL/LCD DO
O
Serial data output to the fl uorescent indicator tube driver
2
FL/LCD SCL
O
Serial data transfer clock signal output to the fl uorescent indicator tube driver
3
FL/LCD CS
O
Chip select signal output to the fl uorescent indicator tube driver
4
SIRCS
I
SIRCS signal input from the remote control receiver
5
BCo_SPI_DOUT
O
Serial data output terminal Not used
6
BCo_SPI_DIN
I
Serial data input terminal Not used
7
BCo_SPI_CLK
O
Serial data transfer clock signal output terminal Not used
8
BYTE
I
External data bus width selection signal input terminal
9
CNVss
I
Processor mode selection signal input terminal
10
Xcin
I
Sub system clock input terminal (32.768 kHz)
11
Xcout
O
Sub system clock output terminal (32.768 kHz)
12
RESET
I
System reset signal input terminal
13
Xout
O
Main system clock output terminal (5 MHz)
14
Vss
-
Ground terminal
15
Xin
I
Main system clock input terminal (5 MHz)
16
Vcc
-
Power supply terminal (+3.3V)
17
NMI
-
Not used
18
RDS-INT
I
RDS interrupt signal input from the tuner (FM) (MX500i: AEP/MX550i only)
19
SBSY
I
Subcode block sync signal input from the CD-MP3 processor
20
AC-CUT
I
AC cut on/off detection signal input terminal “L”: AC cut on
21
BCo_POWER
O
Power on/off control signal output terminal Not used
22
iPod CP IIC SCL
O
Serial data transfer clock signal output to the EEPROM
23
BCo_SPI_CS
O
Chip select signal output terminal Not used
24
iPod CP IIC SDA
O
Serial data output to the EEPROM
25
BCo_RESET
O
Reset signal output terminal Not used
26
iPod CP RESET
O
Reset signal output to the EEPROM
27
USB_RESET
O
System reset signal output to the USB controller
“L”: reset (Except US, Canadian models only)
“L”: reset (Except US, Canadian models only)
28
USB_CTS
I
Clear to send signal input from the USB controller (Except US and Canadian models only)
29, 30
no use
-
Not used
31
USB_TxD_OUT
O
Serial data output to the USB controller (Except US and Canadian models only)
32
USB_RxD_IN
I
Serial data input from the USB controller (Except US and Canadian models only)
33
USB_RTS
O
Ready to send signal output to the USB controller (Except US and Canadian models only)
34
S-MASTER_DCP
I
Over load detection signal input terminal
35
DAB TxD_OUT
O
Serial data output terminal for the DAB tuner module (MX550i only)
36
DAB RxD_IN
I
Serial data input terminal for the DAB tuner module (MX550i only)
37
S-MASTER_PG_MUTE
O
PG muting on/off control signal output to stream processor
38
S-MASTER_
SOFT_MUTE
O
Soft muting on/off control signal output to stream processor
39
S-MASTER_RESET
O
Reset signal output to the digital power amplifi er
40
S-MASTER_DATA
O
Serial data output to the stream processor
41
LCD BACKLIGHT
O
LED drive signal output terminal Not used
42
S-MASTER_SHIFT
O
Serial data transfer clock signal output to the stream processor
43
S-MASTER_LATCH
O
Serial data latch pulse signal output to the stream processor
44
S-MASTER_NSPMUTE
O
NSP muting on/off control signal output to stream processor
45
S-MASTER_INIT
O
Reset signal output to the stream processor
46
STBY_LED
O
LED drive signal output terminal for STANDBY indicator
47
VOL IIC_SDA/E2P-SDA
O
Serial data output to the electrical volume
48
VOL IIC_CLK/E2P-CLK
O
Serial data transfer clock signal output to the electrical volume
49
DAB-POWER_3.3
O
Power supply on/off control signal output terminal for the DAB tuner module (+3.3V)
(MX550i only)
(MX550i only)
50
DAB-POWER_1.2
O
Power supply on/off control signal output terminal for the DAB tuner module (+1.2V)
(MX550i only)
(MX550i only)
51
ST_TUNED
I
Tuned detection signal input from the tuner (FM)
52
ST_CE
O
Chip enable signal output to the tuner (FM)
53
ST_DO
O
Serial data output to the tuner (FM)
54
ST_CLK
O
Serial data transfer clock signal output to the tuner (FM)
55
ST_DI/STEREO
I
Serial data input from the tuner (FM)
56
RDS_DATA
I
RDS data input from the tuner (FM) (MX500i: AEP/MX550i only)
Ver. 1.1
HCD-MX500i/MX550i
54
Pin No.
Pin Name
I/O
Description
57
CDM_OPEN_SW
I
Switch detection signal input terminal for loading section
58
CDM_CLOSE_SW
I
Switch detection signal input terminal for loading section
59
CDM_LOAD_IN
O
Motor drive signal output terminal for the loading section
60
CDM_LOAD_OUT
O
Motor drive signal output terminal for the loading section
61
FL/LCD RESET
O
Reset signal output to the fl uorescent indicator tube driver
62
Vcc
-
Power supply terminal (+3.3V)
63
POWER ON
O
Main power on/off control signal output terminal “H”: main power on
64
Vss
-
Ground terminal
65
SPEC_IN
I
Destination setting terminal
66
AUDIO_LEVEL_INPUT
I
Audio level detection signal input terminal
67
BCo_SPI_REQ
I
Request signal input terminal Not used
68
BCo_SPI_READY
O
Ready signal output terminal Not used
69
AC_DET
I
Power failure detection signal input terminal
70, 71
KEY_1, KEY_2
I
Panel key input terminal (A/D input)
72
VOLUME_JOG
I
Jog dial pulse input from the rotary encoder (for VOLUME)
73
BYPASS
O
System shut down signal output terminal
74
I_KEY WAKE UP_
POWER & DISPLAY
I
Key wake-up signal input terminal
75
iPod_WAKE
I
Wake-up signal input from the iPod/iPhone Dock
76
iPod_DET
I
iPod/iPhone detection signal input terminal
77
iPod_TxD_OUT
O
Serial data output to the iPod/iPhone Dock
78
iPod_RxD_IN
I
Serial data input from the iPod/iPhone Dock
79
NC
-
Not used
80
HP_DET
I
Headphone detection signal input terminal
81
HP_MUTE
-
Not used
82
TA_LINE_MUTE
O
Line muting on/off control signal output terminal
83
POWER_PROTECT
I
Power monitor signal input terminal
84
SINGER_ON
O
Power supply on/off control signal output terminal Not used
85
BOLERO/iPod_ON
O
Power supply on/off control signal output terminal for the USB/iPod section
86
ZIPANG_ON
O
Power supply on/off control signal output terminal for the CD section
87
CD_XRST
O
Reset signal output to the CD-MP3 processor
88
CD_DRIVER_MUTE
O
Motor drive on/off control signal output to the motor/coil driver
89
MP3_IREQ
I
Request signal input from the CD-MP3 processor
90
CD CCE
O
Chip enable signal output to the CD-MP3 processor
91
CD CLK
O
Serial data transfer clock signal output to the CD-MP3 processor
92
DEC BUS SEL
O
Function selection signal output terminal
93 to 95
CD BUS3 to CD BUS1
O
Serial data output to the CD-MP3 processor
96
Avss
-
Ground terminal
97
CD BUS0
O
Serial data output to the CD-MP3 processor
98
VREF
I
Reference voltage (+3.3V) input terminal
99
Avcc
-
Power supply terminal (+3.3V)
100
LCD_DI
I
Not used
HCD-MX500i/MX550i
55
POWER BOARD IC11 CXD9841P (POWER CONTROL)
Pin No.
Pin Name
I/O
Description
1
VSENSE
I
AC line input voltage detection signal input terminal
2
F/B
I
Feedback signal input terminal for frequency modulation of oscillator
3
CT
-
External capacitor connection terminal for oscillator
4
RT
-
External resistor connection terminal for oscillator
5
GND
-
Ground terminal
6
PROTECT
-
External capacitor connection terminal for intermittent operation timer when abnormality de-
tecting it
tecting it
7
SS
-
External capacitor connection terminal for soft start
8
VC1
I
Power supply terminal for control circuit “L”: stop, “H”: operation start
9
OCP
I
Over current detection signal and DIDT protection signal input terminal
10
VC2
O
Power supply output terminal for driver
11
P-GND
I
Ground terminal for lower side driver
12
VG-L
O
Lower side driver drive signal output terminal
13
-
-
Not used
14
VB
I
Power supply terminal for upper side driver
15
VS
I
Reference power supply input terminal for upper side driver
16
VG-H
O
Upper side driver drive signal output terminal
17
-
-
Not used
18
VD
-
Terminal for drain kick start
56
HCD-MX500i/MX550i
SECTION 6
EXPLODED VIEWS
1
4-175-911-01 PANEL
(CD)
2
4-159-522-02 SPRING
(LOADING)
3
4-183-971-01 BASE
(CD)
4
3-077-331-01 +BV3
(3-CR)
5
3-704-515-22 SCREW
(BV/RING)
6
4-175-953-01 CASE
7
1-457-413-11 CORE,
FERRITE
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Note:
• -XX and -X mean standardized parts, so
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.
vice. Some delay should be anticipated
when ordering these items.
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet’s Color
• Abbreviation
CH
CH
: Chinese model
CND : Canadian model
SP
SP
: Singapore model
6-1. CASE SECTION
The components identifi ed by mark
0
or dotted line with mark
0 are critical for
safety.
Replace only with part number specifi ed.
Replace only with part number specifi ed.
Les composants identifi és par une marque
0 sont critiques pour la sécurité.
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce por-
tant le numéro spécifi é.
tant le numéro spécifi é.
1
2
3
4
4
4
4
7
5
5
5
6
front panel section
MAIN board section
(EXCEPT US, CND)
Ver. 1.1
Click on the first or last page to see other HCD-MX500I / HCD-MX550I service manuals if exist.