Sony HCD-BX77DBI Service Manual ▷ View online
HCD-BX77DBi
41
MAIN BOARD IC301 R5F3640DDFAR (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 3
CD BUS2 to CD
BUS0
O
Serial data output to the CD-MP3 processor
4
SIRCS
I
SIRCS signal input from the remote control receiver
5
STBY-RELAY
O
Power on/off control signal output terminal “H”: power on
6
TUNER TUNED
I
Tuning detection signal input from the tuner (FM/AM)
7
RDS DATA
I
RDS data input from the tuner (FM/AM)
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
NC
O
Not used
22
AMP CLOCK
O
Serial data transfer clock signal output to the electrical volume
23
TA LINE MUTE
O
Line muting on/off control signal output terminal “H”: muting on
24
AMP DATA
O
Serial data output to the electrical volume
25
ST CE
O
Chip enable signal output to the tuner (FM/AM)
26
DATA IN/STEREO
I
Serial data and stereo detection signal input from the tuner (FM/AM)
27
ST CLK
O
Serial data transfer clock signal output to the tuner (FM/AM)
28
ST DATA OUT
O
Serial data output to the tuner (FM/AM)
29
IIC CLK
I/O
Two-way IIC clock bus terminal Not used
30
IIC DATA
I/O
Two-way IIC data bus terminal Not used
31
BT DOUT
O
Serial data output terminal Not used
32
BT DIN
O
Serial data input terminal Not used
33
BT CTS
I
Clear to send signal input terminal Not used
34
BT_RTS
O
Ready to send signal output terminal Not used
35
USB TXD
O
Serial data output terminal Not used
36
USB RXD
I
Serial data input terminal Not used
37
NC
O
Not used
38
USB RTS
O
Ready to send signal output terminal Not used
39
SEL A
O
Input selection control signal output terminal
40
INH
O
Input selection control signal output terminal
41
PULL DOWN
O
Connected to the ground
42
NC
O
Not used
43
BT AUDIO OUT
MUTE
O
Bluetooth muting on/off control signal output terminal Not used
44
BT_AV_ ROLE
O
Transmission/reception mode notifi cation signal output terminal Not used
45
BT_RESET
O
Reset signal output terminal Not used
46
PULL UP
O
Connected to the power supply
47
DAB TXD
O
Serial data output terminal for DAB section
48
DAB RXD
I
Serial data input terminal for DAB section
49, 50
NC
O
Not used
51
DAB-POWER 1.2V
O
Power supply (+1.2V) on/off control signal output terminal for DAB section
52
DAB-POWER 3.3V
O
Power supply (+3.3V) on/off control signal output terminal for DAB section
53
STK-ON
O
Standby control signal output to the power amplifi er
54 to 56
NC
O
Not used
57
CD ON
O
Power on/off control signal output terminal for CD section “H”: power on
58
USB POWER
O
Power on/off control signal output terminal for USB section Not used
59
CD RESET
O
Reset signal output to the CD-MP3 processor “L”: reset
60
CD DRIVER MUTE
O
Muting signal output to the coil/motor driver
61
MODEL IN
I
Setting terminal for the model Not used
HCD-BX77DBi
42
Pin No.
Pin Name
I/O
Description
62
VCC
-
Power supply terminal (+3.3V)
63
NC
O
Not used
64
VSS
-
Ground terminal
65
NC
O
Not used
66
I-POWER MONITOR
I
Power monitor input terminal
67
DEC BUS SEL
O
Bus selection signal output terminal Not used
68
MP3 IREQ
I
Request signal input from the CD-MP3 processor
69
CD CCE
O
Chip enable signal output to the CD-MP3 processor
70
CD CLK
O
Serial data transfer clock signal output to the CD-MP3 processor
71, 72
NC
O
Not used
73
NC
I
iPod connection detection signal input from the iPod connector “L”: iPod is connected
74
KEY WAKE UP
I
Wake up signal input terminal
75
USB RESET
O
Reset signal output terminal (for USB section) Not used
76
USB CTS
I
Clear to send signal input terminal (for USB section) Not used
77
CLINK-TX-DOUT
O
Serial data output to the iPod interface
78
CLINK-RX-DIN
I
Serial data input from the iPod interface
79
NC
O
Not used
80
DMPORT POWER
O
VBUS power on/off control signal output terminal “H”: power on
81 to 83
KEY3 to KEY1
I
Top and front panel key input terminal (A/D input)
84
CDM LOAD OUT
O
Loading motor control signal output terminal (for loading out)
85
CDM LOAD IN
O
Loading motor control signal output terminal (for loading in)
86
SPEC IN
I
Setting terminal for the destination
87
CDM SW (OPEN)
I
Disc tray open position detection signal input terminal “L”: disc tray is opened
88
CDM SW (CLOSE)
I
Disc tray close position detection signal input terminal “L”: disc tray is closed
89
STANDBY LED
O
LED drive signal output terminal for STANDBY indicator “L”: LED on
90
FL RESET
O
Reset signal output to the fl uorescent indicator tube “L”: reset
91
FL CS
O
Chip select signal output to the fl uorescent indicator tube
92
FL SD
O
Serial data output to the fl uorescent indicator tube
93
FL SCLK
O
Serial data transfer clock signal output to the fl uorescent indicator tube
94
X5V FLAG
I
VBUS voltage detection signal input terminal
95
NC
O
Not used
96
AVSS
-
Ground terminal
95
NC
O
Not used
98
VREF
I
Reference voltage (+3.3V) input terminal
99
AVCC
-
Power supply terminal (+3.3V)
100
CD BUS3
O
Serial data output to the CD-MP3 processor
43
HCD-BX77DBi
SECTION 6
EXPLODED VIEWS
1
3-282-727-11 PANEL (SIDE L)
2
3-282-728-11 PANEL (SIDE R)
3
2-580-628-01 SCREW, +BVTP S3X6 TYPE2
#1
7-685-871-01 SCREW +BVTT 3X6 (S)
#3
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
#8
7-685-903-11 TAPPING +PWH 3X6 TYPE2 N-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. 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
6-1. PANEL 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.
1
2
3
3
3
#1
#8
#1
#8
#3
#3
#1
front panel section
MAIN board section
top panel section
#3
44
HCD-BX77DBi
6-2. TOP PANEL SECTION
51
3-087-053-01 +BVTP2.6
(3CR)
52
3-282-748-01 BUTTON (VOL) (VOL +, VOL –)
53
3-282-738-01 BUTTON
(ENTER)
54
3-282-739-01 BUTTON (TUNE) (l m TUNE –, +, –,
M L TUNE +)
55
3-282-733-51 BUTTON (FUNCTION B) (iPod u, CD u,
x CANCEL, DSGX, DAB AUTO SCAN)
56
3-282-732-21 BUTTON (FUNCTION) (TUNER/BAND, AUDIO IN,
FUNCTION, REPEAT/FM MODE,
PLAY MODE/TUNING MODE)
57
3-282-746-11 PANEL
TOP
(IP)
58
A-1541-488-A BASE
(IP)
ASSY
60
A-1466-251-A IP BOARD, COMPLETE (Former)
60
A-1788-743-A IP BOARD, COMPLETE (New)
61
4-674-137-11 SCREW
(PTP2X5)
62
3-277-576-01 ESCUTCHEON
63
3-921-725-01 SCREW (2.6X10), +PWH
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
57
56
55
54
53
52
60
62
61
58
51
51
51
63
not supplied
(TOP KEY board)
(TOP KEY board)
not supplied
(HOLD board)
(HOLD board)
not supplied
Note: (Former)
AEP model : Serial No. 5100858 or smaller
UK model : Serial No. 6123117 or smaller
(New)
AEP model : Serial No. 5100859 or larger
UK model : Serial No. 6123118 or larger
Ver. 1.1
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