DOWNLOAD Sony CDP-CX455 Service Manual ↓ Size: 6.95 MB | Pages: 67 in PDF or view online for FREE

Model
CDP-CX455
Pages
67
Size
6.95 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cdp-cx455.pdf
Date

Sony CDP-CX455 Service Manual ▷ View online

46
CDP-CX455
6-17. IC Pin Function Descriptions
• IC104 TC94A20F-CX4 D/A Converter, MP3 Decoder (BD Board)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31 to 34
35
36
37
38
39
40
41
42
43
44
45
46, 47
48
49, 50
51
52
53
54
55
I/O
I
I
I
I
I/O
I
O
O
O
O
I
I
I
I
I
I
I
O
O
I
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
Pin Name
/RESET
MIMD
/MICS
/MILP
SDA
SCL
/MIACK
VDDT
SDO
BCKO
LRCKO
SDI0
BCKIA
LRCKIA
SDI1
BCKIB
LRCKIB
VDD
STANDBY
VSS
VSSL
VRAL
LO
VDAL
VDAR
RO
VRAR
VSSR
TESTP
DOUT
PO0 to PO3
VDDT
PO4
PO5
PO6
MP3REQ
VSS
IRQ
VDDM
AMUTE
FI1
VSSM
PI0, PI1
VSS
PI2, PI3
PI4/CLCK
VDD
PI5/DATA
TSTIN/SFSY
FI2/SBSY
Description
Reset input terminal “L”: reset
Microcomputer interface mode selection input “H”: I2C, “L”: TSB (fixed at “H”)
Microcomputer interface chip select signal input (fixed at “L”)
Microcomputer interface latch pulse input (fixed at “L”)
Serial data input/output
Serial clock input
Microcomputer interface acknowledge signal output (open)
Power supply (3.3V) for digital circuit
Data output (open)
Bit output (open)
LR clock output (open)
Data input 0
Bit clock input A
LR clock input A
Data input 1 (fixed at “L”)
Bit clock input B (fixed at “L”)
LR clock input B (fixed at “L”)
Power supply (2.5V) for digital circuit
Standby mode control signal input “H”: STB, “L”: normal (fixed at “L”)
Ground for digital circuit
Ground for DAC Lch
Reference voltage terminal for DAC Lch
DAC Lch signal output
Power supply (2.5V) for DAC Lch
Power supply (2.5V) for DAC Rch
DAC Rch signal output
Reference voltage terminal for DAC Rch
Ground for DAC Rch
Terminal for test “H”: test mode, “L”: normal (fixed at “L”)
SPDIF signal output (open)
General purpose output (open)
Power supply (3.3V) for digital circuit
General purpose output (LMUTE signal output)
General purpose output (RMUTE signal output)
General purpose output (open)
Interrupt request signal output to the system control (IC501)
Ground for digital circuit
External interrupt signal input (open)
Power supply (2.5V) for the internal 1Mbit SRAM
Flag signal input 0 (AMUTE signal input)
Flag signal input 1 (fixed at “L”)
Ground for the internal 1Mbit SRAM
General purpose input (fixed at “L”)
Ground for digital circuit
General purpose input (fixed at “L”)
General purpose input/SUBQ interface clock input or output (fixed at “L”)
Power supply (2.5V) for digital circuit
General purpose input/SUBQ interface data input (fixed at “L”)
Terminal for test/SUBQ interface frame sync input (fixed at “L”)
Flag signal input 2/SUBQ interface block sync input (fixed at “L”)
47
CDP-CX455
Pin No.
56
57
58
59
60
61
62
63
64
I/O
O
I
O
I
O
Pin Name
VSSP
PDO
VCOI
VDDP
CKO
VDDX
XI
XO
VSSX
Description
Ground for VCO circuit
PLL phase error detection signal output
VCO control voltage input
Power supply (2.5V) for VCO circuit
External clock output
Power supply (2.5V) for oscillation circuit
Resonator terminal (input)
Resonator terminal (output)
Ground for oscillation circuit
48
CDP-CX455
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
O
O
O
O
I
O
O
O
O
I
O
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
O
O
I
O
O
O
O
O
O
O
O
I/O
Pin Name
FLDATA
FLCLK
LEDLAT
DATA
CLK
SENS
MP3RST
FLRST
EVDD
EVSS
PWM1
PWM2
RMIN
BUSOUT
SUBQ
BUSIN
SQCK
AMUTE
PWM3
XLT
IC/VPP
TBLR
TBLL
LDOUT
LODIN
DOORIN
DOOROUT
ICSW
SMUTE
SBLED
LED
DSENSOUT
H-HOUT
RESET
XT1
XT2
REGC
X2
X1
VSS
VDD
CLKOUT
FLT2
FLT1
KBCO
XRST
CE
WE
A4
D0
Description
Data signal output to the fluorescent indicator drivers amd LED driver
Clock signal output to the fluorescent indicator drivers and LED driver
Latch signal output to the LED driver
Data output to the DSP
Clock signal output to the DSP
SENS signal input from the DSP
Reset signal output to the IC104
Reset signal output to the the fluorescent indicator driver amd LED driver
Power supply (I/O port)
Ground (I/O port)
PWM1 signal output
PWM2 signal output
Data input from the remote control receiver
CONTROL  A1 signal output
CD SUBQ signal input from the DSP
CONTROL  A1 signal input
CD SUBQ clock signal output to the DSP
Muting signal output to the IC104
PWM3 signal output
Latch signal output to the DSP
Connected to ground
Table motor control signal output (clockewise)
Table motor control signal output (counterclockewise)
Loading motor control signal output (out)
Loading motor control signal output (in)
Door motor control signal output (close)
Door motor control signal output (open)
Power supply to the peripheral ICs
2nd audio input muting signal output
Sandby LED control signal output
Inside illumination LED control signal output
Disc sensor readout result signal output
Or signal of TSENS1/TSENS2 output
System reset input
Sub clock input
Sub clock output
Capacitor connection terminal for regulator output stabilizing
Main system clock output
Main system clock input
Ground
Power supply
Clock output (open)
Fluorescent indicator driver (IC704) latch signal output
Fluorescent indicator driver (IC701) latch signal output
Keyboard clock output
Peripheral ICs reset signal output
SRAM chip enable signal output
SRAM write enable signal output
SRAM address signal output
SRAM data bus
• IC501 µPD703033AYGF-CX4-3BA System Control (MAIN Board)
49
CDP-CX455
Pin No.
51 to 57
58
59
60, 61
62
63 to 70
71 to 73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
I/O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
O
I
I
I
I
I
I
I
I/O
O
O
I
Pin Name
D1 to D7
BVDD
BVSS
A13, A14
A0
A5 to A12
A1 to A3
AVDD
AVSS
AVREF
ADJ
DOORSW
LDSW
KEY0
DJOG2
TJOG2
TJOG1
DJOG1
KBDI
DSENS
TSENS1
TSENS3
KBDO
POWER
TSENS2
TSENS4
KBCI
ACIN
SCOR
MP3REQ
SDA/SI0
RFSW/SO0
SCL/SCK0
FLDATA_I
Description
SRAM data bus
Power supply (I/O port)
Ground (I/O port)
SRAM address signal output
SRAM address signal output
SRAM address signal output
SRAM address signal output
Power supply (A/D converter)
Ground (A/D converter)
Reference voltage for A/D converter
selector (ADJ/AFADJ)
Door switch signal input (A/D)
Loading switch signal input (A/D)
Key data signal input (A/D)
Jog signal input
AMS jog signal input
AMS jog signal input
Jog signal input
Keyboard data input
Disc sensor signal input
Table sensor signal input
Table sensor signal input
Keyboard data output
POWER key signal input
Table sensor signal input
Table sensor signal input
Keyboard clock input
AC power detection signal input
Sync signal input from the DSP
MP3 request signal input from the IC104
MP3 IIC data input or output
Mode selection signal output to the RF amplifier (IC103)
MP3 clock output to the IC104
Data input from the fluorescent indicator driver
Page of 67
Display

Click on the first or last page to see other CDP-CX455 service manuals if exist.