Sony CMT-BX5 / HCD-CBX5 Service Manual ▷ View online
HCD-CBX5
41
MAIN BOARD IC301 M3062LFGPFP-701 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
ST DATA IN/STEREO
I
Serial data and stereo detection signal input from the tuner (FM/AM)
2
ST CLK
O
Serial data transfer clock signal output to the tuner (FM/AM)
3
ST DATA OUT
O
Serial data output to the tuner (FM/AM)
4
SIRCS
I
SIRCS signal input from the remote control receiver
5 to 7
NC
O
Not used
8
BYTE
I
External data bus width selection signal input terminal
9
CN VSS
I
Processor mode switch input terminal (for test)
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 from the reset signal generator "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
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
I
Non-maskable interrupt signal input terminal Not used
18
RDS INT
I
RDS data transfer clock signal input from the tuner (FM/AM)
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, 22
NC
O
Not used
23
DAB-POWER 3.3V
O
DAB power supply (+3.3V) ON/OFF control signal output terminal Not used
24
DAB-POWER 5V
O
DAB power supply (+5V) ON/OFF control signal output terminal Not used
25
LCD BACK LIGHT LCD
O
LED drive signal output terminal for LCD back light "H": LED on
26
USB/BT LED
O
LED drive signal output terminal for USB MEMORY indicator "H": LED on
27
STANDBY LED
O
LED drive signal output terminal for STANDBY indicator "H": LED on
28
STBY RELAY
O
Power on/off control signal output terminal "H": power on
29
LCD CLK
O
Serial data transfer clock signal output to the liquid crystal display
30
LCD DATA
O
Serial data output to the liquid crystal display
31
BT DOUT
O
Serial data output terminal Not used
32
BT DIN
I
Serial data input terminal Not used
33
NC
O
Not used
34
BT_RTS
O
Ready to send signal output terminal Not used
35
USB TXD
O
Serial data output to the USB controller
36
USB RXD
I
Serial data input from the USB controller
37
USB_CTS
I
Clear to send signal input from the USB controller
38
USB_RTS
O
Ready to send signal output to the USB controller
39
NC
O
Not used
40
USB RESET
O
Reset signal output to the USB controller "L": reset
41
PULL DOWN
O
Connected to the ground
42, 43
NC
O
Not used
44
DEC BUS SEL1
O
Data selection signal output terminal
45
DEC BUS SEL2
O
Data selection signal output terminal Not used
46
PULL UP
O
Connected to the power supply
47 to 53
NC
O
Not used
54
BT_AV_ ROLE
O
Transmission/reception mode notifi cation signal output terminal Not used
55
BT_RESET
O
Reset signal output terminal Not used
56
BT AUDIO OUT MUTE
O
Muting on/off control signal output terminal Not used
57
BT CTS
I
Clear to send signal input terminal Not used
58
BT POWER
O
Power on/off control signal output terminal Not used
59 to 61
NC
O
Not used
62
VCC
-
Power supply terminal (+3.3V)
63
CD CCE
O
Chip enable signal output to the CD-MP3 processor
64
VSS
-
Ground terminal
65 to 68
CD BUS3 to CD BUS0
O
Serial data output to the CD-MP3 processor
69
MP3 IREQ
I
Request signal input from the CD-MP3 processor
HCD-CBX5
42
Pin No.
Pin Name
I/O
Description
70
CD ON
O
Power on/off control signal output terminal for CD section "H": power on
71
CD XRST
O
Reset signal output to the CD-MP3 processor "L": reset
72
CD DRIVE MUTE
O
Muting signal output to the coil/motor driver
73
KEY WAKE UP_DIS-
PLAY
I
Wake up signal input terminal
74
KEY WAKE UP_POW-
ER
I
Wake up signal input terminal
75
CD CLK
O
Serial data transfer clock signal output to the CD-MP3 processor
76
USB POWER
O
Power on/off control signal output terminal for USB section "H": power on
77
SEL INH
O
Input selection control signal output terminal Not used
78
SEL A
O
Input selection control signal output terminal Not used
79
SEL B
O
Input selection control signal output terminal Not used
80
TA LINE-MUTE
O
Line muting on/off control signal output terminal "H": muting on
81
AMP DATA
O
Serial data output to the electrical volume
82
AMP CLOCK
O
Serial data transfer clock signal output to the electrical volume
83, 84
NC
O
Not used
85
MODEL IN
I
Setting terminal for the model
86
I-POWER MONITOR
I
Power monitor input terminal
87
STK-ON
O
Standby control signal output to the power amplifi er
88
CDM LOAD OUT
O
Loading motor control signal output terminal (for loading out)
89
CDM LOAD IN
O
Loading motor control signal output terminal (for loading in)
90
CDM SW(OPEN)
I
Disc tray open position detection signal input terminal
91
CDM SW (CLOSE)
I
Disc tray close position detection signal input terminal
92 to 94
KEY2 to KEY0
I
Top and front panel key input terminal (A/D input)
95
RDS DATA
I
RDS data input from the tuner (FM/AM)
96
AVSS
-
Ground terminal
67
SPEC IN
I
Setting terminal for the destination
98
VREF
I
Reference voltage (+3.3V) input terminal
99
AVCC
-
Power supply terminal (+3.3V)
100
ST CE
O
Chip enable signal output to the tuner (FM/AM)
43
HCD-CBX5
SECTION 7
EXPLODED VIEWS
1
X-2177-251-1 LID
(CD)
ASSY
2
2-895-106-12 PANEL (SIDE L)
3
3-087-053-01 +BVTP2.6
(3CR)
4
2-895-104-61 PANEL
(TOP)
5
2-895-116-21 BUTTON
(FUNCTION)
6
2-895-115-21 BUTTON
(DIRECTORY)
(
+, l m, ENTER, M L, –)
7
2-895-117-21 BUTTON
(VOL)
8
2-895-107-12 PANEL (SIDE R)
9
3-254-143-11 SCREW (B3), (+) BV TAPPING
10
2-580-628-01 SCREW, +BVST 3X6
#4
7-685-871-01 SCREW +BVTT 3X6 (S)
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.
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)
R
R
Parts Color Cabinet’s Color
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.
7-1. PANEL SECTION
#4
main section
front panel section
#4
#4
#4
4
3
2
1
8
5
6
9
7
not supplied
(TOP PANEL board)
(TOP PANEL board)
10
10
10
9
9
44
HCD-CBX5
7-2. FRONT PANEL SECTION
51
X-2190-808-1 PANEL
(FRONT)
ASSY
52
4-233-372-02 FOOT
(FELT)
53
X-2177-253-1 BUTTON
(POWER)
ASSY
55
A-1314-529-A FRONT PANEL BOARD, COMPLETE
56
2-581-391-01 PLATE, LIGHT GUIDE
57
2-586-988-02 SHEET (LCD), DIFFUSION
58
3-087-053-01 +BVTP2.6
(3CR)
59
3-921-725-01 SCREW (2.6X10), +PWH
60
2-895-114-21 BUTTON
(EJECT)
62
2-681-451-01 SHEET
(RM)
D803
6-501-139-01 LED SELU2B10A-SLF62 (LCD BACK LIGHT)
D804
6-501-139-01 LED SELU2B10A-SLF62 (LCD BACK LIGHT)
LCD801 1-802-377-11 DISPLAY PANEL, LIQUID CRYSTAL
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
not supplied
not supplied
not
supplied
supplied
D803
D804
LCD801
not supplied
(HEADPHONE board)
(HEADPHONE board)
FRONT PANEL board
52
51
53
62
56
57
58
55
60
59
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