Sony CMT-PX333 / HCD-PX333 Service Manual ▷ View online
89
HCD-PX333
Pin No.
Pin Name
I/O
Description
53
IN-SW
I
Detection input from the tray open/close detect switch (S1) “L”: when tray is close
54
LOD POS
O
CD loading motor (M201) control signal output to the motor driver IC (IC1102)
“L” active *1
“L” active *1
55
LOD NEG
O
CD loading motor (M201) control signal output to the motor driver IC (IC1102)
“L” active *1
“L” active *1
56
CLP POS
O
Motor control signal output to the motor driver IC “L” active Not used (open)
57
CLP NEG
O
Motor control signal output to the motor driver IC “L” active Not used (open)
58
BVDD
—
Power supply terminal (+5V) (for digital system)
59
BVSS
—
Ground terminal (for digital system)
60 to 73
NC
O
Not used (open)
74
AVDD
—
Power supply terminal (+5V)
75
AVSS
—
Ground terminal
76
AVREF
I
Reference voltage (+5V) input terminal
77 to 80
KEY0 to KEY3
I
Key input terminal (A/D input) Not used (fixed at “H”)
81 to 83
SEL0 to SEL2
I
Model destination setting terminal (A/D input)
84
TEL
I
Tracking error level detection input terminal Not used (open)
85
SEL3
I
Model (CD mechanism deck) destination setting terminal (A/D input)
86
DISC-SENS
I
Detection input from the disc in detect sensor (A/D input) “H”: disc in Not used (open)
87
MECHA-JIGU
I
Not used (open)
88
ADJ
I
Setting terminal for the CD test mode “L”: CD test mode Normally: fixed at “H”
89
I2CHELP
I
Busy signal input for the IIC bus
90
I2CHELP
I
Busy signal input for the IIC bus
91
SCOR
I
Subcode sync (S0+S1) detection signal input from the CD block
92
NC
O
Not used (open)
93
AC-CUT
I
Power off signal input from the system controller (IC501)
94, 95
JOG0, JOG1
I
Rotary encoder jog dial pulse input terminal Not used (fixed at “L”)
96
NC
O
Not used (open)
97
LEDLAT
O
Serial data latch pulse output to a FL driver Not used
98
DRVCS
I
Chip select signal output to a FL driver Not used
99
DRVRST
I
Reset signal output to a FL driver “L”: reset Not used
100
GND
—
Ground terminal
*1 Loading motor (M201) control
Mode
Terminal
LOD NEG (pin tg)
“L”
“H”
“L”
“H”
LOD POS (pin tf)
“H”
“L”
“L”
“H”
LOADING
EJECT
BRAKE
RUN IDLE
90
HCD-PX333
• MAIN BOARD IC501
µ
PDSS3033AYGF-M18-3BA (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
GEQ DATA
O
Serial data output to the M62428AFP (IC301)
2
GEQ CLK
O
Serial data transfer clock signal output to the M62428AFP (IC301)
3
IIC DAT
I/O
Data input/output terminal for the IIC bus
4
CANT USE
O
Not used (open)
5
IIC CLK
I/O
Shift clock signal input/output terminal for the IIC bus
6
CANT USE
I
Not used (open)
7
LCD DATA
O
Display serial data output to the liquid crystal display (LCD600)
8
LCD CLK
O
Display serial data transfer clock signal output to the liquid crystal display (LCD600)
9
EVDD
—
Power supply terminal (+5V)
10
EVSS
—
Ground terminal
11, 12
MOTOR1,
MOTOR2
O
Motor drive signal output terminal Not used (open)
13
LCD CLEAR
O
Reset signal output to the liquid crystal display (LCD600) “L”: reset
14
LCD CE
O
Serial data latch pulse signal output to the liquid crystal display (LCD600) “L”: data output
15
KB DATA
I
Key board data input terminal
16
KB CLK OUT
O
Key board data transfer clock signal output terminal
17
KB CLK
I
Key board data reading clock signal input terminal
18
IIC HELP
I/O
Busy signal input/output for the IIC bus
19, 20
MODEL2,
MODEL1
I
Model Destination setting terminal
21
VPP
O
Not used
22
ST MUTE
O
Tuner muting on/off control signal output to the FM/AM tuner unit
23
ST STEREO
I
FM stereo detection signal input from the FM/AM tuner unit “L”: stereo
24
ST TUNED
I
Tuning detection signal input from the FM/AM tuner unit “L”: tuned, “H”; detuned
25
ST CE
O
PLL serial chip enable signal output to the FM/AM tuner unit
26
TA->ST DATA
O
PLL serial data output to the FM/AM tuner unit
27
ST->TA DATA
I
PLL serial data input from the FM/AM tuner unit
28
ST CLK
O
PLL serial data transfer clock signal output to the FM/AM tuner unit
29
ST-1
O
Headphone muting control signal output terminal
30
SOFT CHK
O
For soft check terminal Normally open
31
LCD ON/OFF
O
Power supply for liquid crystal display (LCD600) on/off control terminal
32
PROTECT
O
Speaker output over load detection signal input “L”: over load
33
DEVICE1
I
Not used (fixed at “L”)
34
RESET
I
System reset signal input from the reset signal generator (IC941) “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”
35
XTIN
I
Sub system clock input terminal (32.768 kHz)
36
XTOUT
O
Sub system clock output terminal (32.768 kHz)
37
REGC
I
Connected to the external capacitor
38
XOUT
O
Main system clock output terminal (16 MHz)
39
XIN
I
Main system clock input terminal (16 MHz)
40
VSS
—
Ground terminal
41
VDD
—
Power supply terminal (+5V)
42
CLK OUT
O
Not used (open)
43
LINE MUTE
O
Line muting on/off control signal output terminal “L”: muting on
44
STK MUTE
O
Audio muting on/off control signal output Not used
45
SPK RELAY
O
Speaker on/off relay (RY881) control signal output “L”: speaker off
91
HCD-PX333
Pin No.
Pin Name
I/O
Description
46
MD/CD POWER
O
Power down detection signal output to the MD mechanism controller (IC1001) and CD
mechanism controller (IC1101)
mechanism controller (IC1101)
47
TR RELAY
O
Standby relay (RY991) control signal output (“L”: standby, “H” : power on)
PC LINK/KEY BOARD (CN104) ON/OFF control signal output (“H”: on, “L” : off)
48
RECMUTE
O
Muting on/off control signal output of tape output signal “L”: muting on
49
DIMMER
O
LCD back light on/off control signal output “H”: LED on
50
GC POWER
O
Not used (open)
51
KBD CHK
I
Key board check signal input terminal
52
LED MD-PAUSE
O
LED drive signal output of the X (MD) indicator (D605) “H”: LED on
53
LED MD-PLAY
O
LED drive signal output of the N (MD) indicator (D604) “H”: LED on
54
LED CD-PAUSE
O
LED drive signal output of the X (CD) indicator (D603) “H”: LED on
55
LED CD-PLAY
O
LED drive signal output of the N (CD) indicator (D602) “H”: LED on
56
LED MD-REC
O
LED drive signal output of the REC indicator (D606) “H”: LED on
57
LED STANDBY
O
LED drive signal output of the I/1 indicator (D601) “H”: LED on
58
BVDD
—
Power supply terminal (+5V)
59
BVSS
—
Ground terminal
60
LED DATA
O
Serial data output terminal for LED driver Not used (open)
61
LED CLK
O
Serial data transfer clock signal output terminal for LED driver Not used (open)
62
LED CE1
O
Chip select signal output terminal for LED driver Not used (open)
63
LED CE2
O
Fan motor (M901) drive signal output “H”: fan motor on
64
LED CLEAR
O
Reset signal output terminal for LED driver Not used (open)
65, 66
FUNC1, FUNC2
O
Function selection signal output terminal Not used (open)
67
HEADPHONE IN
I
Headphone in detection signal input “H”: headphone in
68
ENC VOL A
I
Jog dial pulse input from the rotary encoder A phase input Not used (fixed at “L”)
69
ENC VOL B
I
Jog dial pulse input from the rotary encoder B phase input Not used (fixed at “L”)
70
ENC JOG 1A
I
Jog dial pulse input from the rotary encoder A phase input Not used (fixed at “L”)
71
ENC JOG 1B
I
Jog dial pulse input from the rotary encoder B phase input Not used (fixed at “L”)
72, 73
DEVICE3,
DEVICE2
—
Not used (fixed at “L”)
74
AVDD
—
Power supply terminal (+5V)
75
AVSS
—
Ground terminal
76
AVREF
I
Reference voltage (+5V) input terminal
77, 78
LID SW1,
LID SW2
I
Switch input terminal Not used (fixed at “L”)
79 to 82
DIST 1 to DIST 4
I
Model destination setting terminal
83
LEVEL-L
I
L-ch level input terminal Not used (fixed at “L”)
84
LEVEL-R
I
L-ch level input terminal Not used (fixed at “L”)
85
KEY1
I
Key input terminal (A/D input) S601 to S606 (I/1, x (CD), N X CD, M >,
TUNING +, VOLUME –, VOLUME + keys input)
TUNING +, VOLUME –, VOLUME + keys input)
86
KEY2
I
Key input terminal (A/D input) S621 to S628 (. m TUNING –, FUNCTION,
PLAY MODE TUNING MODE, REPEAT STEREO/MONO, REC MODE, REC/REC IT,
CD SYNC NORMAL, CD SYNC HIGH keys input)
PLAY MODE TUNING MODE, REPEAT STEREO/MONO, REC MODE, REC/REC IT,
CD SYNC NORMAL, CD SYNC HIGH keys input)
87
KEY3
I
Key input terminal (A/D input) S631 to S637 (Z MD, x (MD), . m, N X MD,
M >, Z CD, TUNER/BAND keys input)
M >, Z CD, TUNER/BAND keys input)
88
KEY4
I
Key input terminal (A/D input) Not used (fixed at “H”)
89
NMI
I
Non-maskable interrupt input terminal Fixed at “L” in this set
90
KBD CLK
I
Key board data reading clock signal input terminal
91
KEY RM INT
I
Interrupt signal input from function keys or remote control receiver
92
HCD-PX333
Pin No.
Pin Name
I/O
Description
92
PC POWER
I
Power on request signal input from the PC LINK jack (CN104)
93
SIRCS
I
Remote control signal input from the remote control receiver (IC602)
94
AC CUT IN
I
AC power off detection signal input terminal
95
RDS DATA
I
RDS serial data input from the RDS decoder (IC401) Used for the AEP, UK models
96
RDS CLK
I
RDS serial data transfer clock signal input from the RDS decoder (IC401)
Used for the AEP, UK models
Used for the AEP, UK models
97
SELF WRITE IN
I
Not used (open)
98
OUT
O
Not used (open)
99
CLK
I
Not used (open)
100
GEQ CE
O
Serial data latch pulse signal output to the M62428AFP (IC301)
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