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HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
41
IC201 STK433-320-E (MAIN-AMP Board (2/2)) (HCD-EX9/EX9T only)
–PRE
1
–VCC
2
+VCC
3
SWIN–
12
SWIN+
11
LIN+
RIN+
RIN–
RO+
RO–
15
14
16 17
18 19
ST
-BY
13
LIN–
SWO+
4
SWO–
5
LO+
6
LO–
7
+PRE
8
SUB
9
GND
10
BIAS CIRCUIT
PRE DRIVER
CH1
PRE DRIVER
CH2
MONO IC
–
+
–
+
PRE DRIVER
CH3
–
+
–PRE
1
–VCC
2
+VCC
3
NF_CH1–
12
IN_CH1+
11
IN_CH2+
15
ST
-BY
13
NF_CH2–
14
OUT_CH1+
4
OUT_CH1–
5
OUT_CH2+
6
OUT_CH2–
7
+PRE
8
SUB
9
GND
10
STAND-BY CIRCUIT
PRE DRIVER
CH1
PRE DRIVER
CH2
–
+
+
–
IC202 STK433-070GN-E (MAIN-AMP Board (2/2)) (HCD-EX6/EX6T only)
Ver. 1.2
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
42
IN–
1
REF
8
CT
7
CS
6
V+
5
FB
2
GND
3
OUT
4
UNDERVOLTAGE
LOCKOUT
L. O
30μA
VOLTAGE
REFERENCE
+
–
–
ERROR
AMP
+
–
–
S. C. P
PWM
+
–
–
OSC
+
–
–
+
+
FIL
30
GND
29
A2
31
B2
2
B1
1
TC-R
3
SEL-R
12
SEL-L
11
TC-L
4
TUNER-R
5
TUNER-L
6
CD/USB-R
7
CD/USB-L
8
PC-IN-R
9
PC-IN-L
10
A1
32
SCLK
27
VCC
26
SDA
TA
28
SB-R
24
SURR
23
OUT
-R
25
OUT
-L
21
BASSB-R
20
SB-L
22
BASSA-R
19
BASSB-L
17
BASSA-L
18
SURROUND
INPUT GAIN
I2C BUS LOGIC
VCC
VCC/2
INPUT SELECTOR
TREBLE/BASS
VOLUME
VOLUME
TRE-L
15
TRE-R
16
VOL-R
13
VOL-L
14
IC601 BD3491FS-SE2 (MAIN-AMP Board (2/2))
IC050 NJM2368V(TE2) (PT-POWER Board)
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
43
• IC Pin Function Descriptions
USB BOARD IC901 LC87F1JJ2AU-SQFP-H (USB CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
P73
O
Not used. (Open)
2
RES
—
USB control reset pin
3
XT1
—
Not used. (Connect to VDD)
4
XT2
O
Not used. (Open)
5
VSS1
—
Ground
6
CF1
I
Oscillation signal input (12 MHz)
7
CF2
O
Oscillation signal output (12 MHz)
8
VDD1
—
Power supply pin (+3.3 V)
9
SO0
O
CD digital signal processor serial data communication signal output
10
SI0
I
CD digital signal processor serial data communication signal input
11
SCK0
I/O
CD digital signal processor clock communication signal input/output
12
SO1
O
Not used. (Open)
13
SI1
O
Not used. (Open)
14
SCK1
O
Not used. (Open)
15
P16
I
CD digital signal processor enable communication signal input
16
P17
O
Not used. (Open)
17
MCLKI
O
Not used. (Open)
18
MCLKO
O
Not used. (Open)
19
VDD2
—
Power supply pin (+3.3 V)
20
VSS2
—
Ground
21, 22
P00, P01
O
Not used. (Open)
23 to 25
DBGP0 to DBGP2
O
For debagger pin
26
SDAT
I
USB record MP3 serial data signal input
27
BCLK
I
USB record MP3 serial data shift clock signal input
28
LRCK
I
USB record MP3 serial data word clock signal input
29, 30
P20, P21
O
Not used. (Open)
31
P22
O
USB playback serial data signal output
32
P23
O
USB record MP3 serial data request signal output
33
P24
O
USB playback serial data communication clock signal output
34 to 36
P25 to P27
O
Not used. (Open)
37
UHD–
I/O
USB D– serial data input/output
38
UHD+
I/O
USB D+ serial data input/output
39
VDD3
—
Power supply pin (+3.3 V)
40
VSS3
—
Ground
41
UFILT
I
USB interface PLL fi lter circuit connection pin (Fixed at L in this set)
42
AFILT
O
Not used. (Open)
43
P32
O
Not used. (Open)
44
URX1
I
System controller input communication signal input
45
UTX1
O
System controller output communication signal output
46
P70
I
USB playback serial data request signal input
47
P71
I
USB controller command processing cancel signal input
48
P72
O
Not used. (Open)
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
44
Pin No.
Pin Name
I/O
Description
1
SEG32
O
Segment drive signal output for the liquid crystal display panel
2
O-SP-RELAY-ON/
TC ON/SW ON
O
Speaker relay drive signal output, tape power ON/OFF control signal output (HCD-EX6T/
EX8T/EX9T) and subwoofer function ON/OFF control signal output (HCD-EX9/EX9T)
EX8T/EX9T) and subwoofer function ON/OFF control signal output (HCD-EX9/EX9T)
3
O-POWER
O
Main power ON/OFF control signal output (H: main power ON)
4
O-5V-ON
O
CD and VBUS power ON/OFF control signal output (H: CD and VBUS power ON)
5
I-3CD-SW3
I
CD motor disc tray close switch detection signal input from the CD mechanism deck
6
I-3CD-SW2
I
CD motor disc tray address switch detection signal input from the CD mechanism deck
7
I-3CD-SW1
I
CD motor disc tray open switch detection signal input from the CD mechanism deck
8
O-3CD-M1+
O
CD spindle motor drive (+) signal output for the CD mechanism deck
9
I-RMC
I
Remote control signal input from the remote control signal receiver
10
O-3CD-M1–
O
CD spindle motor drive (–) signal output for the CD mechanism deck
11
O-3CD-M2+
O
CD sled motor drive (+) signal output for the CD mechanism deck
12
O-3CD-M2–
O
CD sled motor drive (–) signal output for the CD mechanism deck
13
X0A
I
Sub system clock signal input (32.768 kHz)
14
X1A
O
Sub system clock signal output (32.768 kHz)
15
VCC
—
Power supply pin (+3.3 V)
16
VSS
—
Ground
17
O-CD-CE
O
Chip enable signal output for the CD-MP3 processor
18
O-CD-CL
O
Clock signal output for the CD-MP3 processor
19
I-CD-DI
I
Serial data input from the CD-MP3 processor
20
O-CD-DO
O
Serial data output for the CD-MP3 processor
21
I-3CD-CHACK
I
Chucking switch detection signal input from the CD mechanism deck
22
I-3CD-STOCK
I
Stock switch detection signal input from the CD mechanism deck
23
O-CD-M-MUTE
O
CD motor drive ON/OFF mute control signal output for the CD motor/coil driver
24
O-CD-RST
O
System reset signal output for the CD-MP3 processor
25
O-DIMMER1
O
Volume LED dimmer control signal output
26
O-CD-ON
O
Digital power supply control signal output for the CD-MP3 processor
27
O-LED-VOL
O
Volume LED drive control signal output
28
O-LED-LCD
O
LCD back light LED drive control signal output
29
I-USB-TXD
I
USB TX signal input from the USB controller
30
O-TP_REC_MUTE
O
Tape REC mute signal output for the tape mechanism deck
31
O-USB-RXD
O
USB RX signal output for the USB controller
32
AVCC
—
Power supply pin (+3.3 V)
33
O-USB-SLEEP
O
Sleep control signal output for the USB controller
34
O-USB-RST
O
System reset signal output for the USB controller
35
AVSS
—
Ground
36
I-P-MONI
I
Power monitor signal input
37, 38
I-KEY1, I-KEY2
I
Front panel key signal input (A/D input)
39
I-TU-ANSD
I
Auto gain control signal input
40
I-5V/9V-DET
I
Power supply voltage detection signal input
41
I-KEY-WAKE-UP/VOL
I
Front panel key wake-up signal input/volume control signal input
42
I-HOLD
I
Micon stop mode control signal input
43
I-LEVEL
I
Audio level detection signal input
44
GND
—
Ground
45
I-3CD-CLOSE/OPEN
I
Disc tray close/open detection signal input from the CD mechanism deck
46
I-MODEL
I
Model setting pin
47
I-SUFFIX/TP-STATE
I
Destination setting pin/tape state detection signal input (HCD-EX6T/EX8T/EX9T)
48
I-TU-DO
I
Serial data input from the AM/FM DET
49
O-I2C-FUNC-DATA
O
Serial data output for the electrical volume
50
O-I2C-FUNC-CLK
O
Serial data transfer clock signal output for the electrical volume
51
MD2
—
Not used. (Fixed at L in this set)
52
MD1
—
Not used. (Connect to VDD)
53
MD0
—
Not used. (Fixed at H in this set)
54
I-RST
I
Reset signal input (L: reset)
55
O-TU-CE
O
Chip enable signal output for the AM/FM DET
56
O-TU-DI
O
Serial data output for the AM/FM DET
57
O-TU-CLK
O
Serial data transfer clock signal output for the AM/FM DET
58
VLCD
—
Terminal for doubler circuit capacitor connection to develop liquid crystal display panel drive
voltage
voltage
PANEL BOARD IC301 MB90F831PF-G-SPE1 (SYSTEM CONTROLLER)
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