Sony CMT-SE1 / HCD-SE1 Service Manual ▷ View online
45
HCD-SE1
– MAIN Board –
IC403 LC75342
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CONTROL
CIRCUIT
CCB
INTERF
ACE
1
2
3
4
5
6
7
8
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
15
14
13
12
11
10
9
DI
CE
VSS
TEST
LOUT
LBASS2
LBASS1
LTRE
LIN
LSELO
L4
L3
L2
L1
NC
CL
VDD
VREF
RVREF
LVREF
NC
ROUT
RBASS2
RBASS1
RTRE
RIN
RSELO
R4
R3
R2
R1
NC
46
HCD-SE1
5-18. IC PIN FUNCTION DESCRIPTION
• IC401 M30622MGN-B17FP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
LCD ON
—
Not used (open)
2
RDS DATA
I
Serial data input from the RDS decoder (IC405)
3
NC
—
Not used (open)
4
SIRCS
I
Remote control signal input terminal
5
FL DATA
O
Serial data output to the FL driver
6
FL CS
O
Chip select signal output to the FL driver “L” active
7
FL CLK
O
Serial data transfer clock signal output to the FL driver
8
BYTE
—
Not used
9
CNVSS
—
Ground terminal
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 (16 MHz)
14
VSS
—
Ground terminal
15
XIN
I
Main system clock input terminal (16 MHz)
16
VCC
—
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt input terminal Not used
18
RDS CLK
I
Serial data transfer clock signal input from the RDS decoder (IC405)
19
CD SCOR
I
Subcode sync (S0+S1) detection signal input from the digital signal processor
20
AC CUT
I
AC off detection signal input from the reset signal generator “L”: AC cut checked
21
NC
—
Not used (open)
22
ST CE
O
PLL chip enable signal output to the tuner unit
23
ST DATA OUT
O
PLL serial data output to the tuner unit
24
CD PWM3
O
RFDC PWM signal output to the RF amplifier
25
ST DATA IN
I
PLL serial data input from the tuner unit
26
CD PWM2
O
PWM signal output to the RF amplifier
27
ST CLK
O
PLL serial data transfer clock signal output to the tuner unit
28
CD PWM1
O
Focus servo drive PWM signal output to the RF amplifier
29
IIC CLK
I/O
Communication data transfer clock signal input/output terminal Not used
30
IIC DATA
I/O
Communication data bus terminal Not used
31
NO USE
—
Not used
32
CD SQSO
I
Subcode Q data input from the digital signal processor
33
CD SQCLK
O
Subcode Q data reading clock signal output to the digital signal processor
34
NC
—
Not used (open)
35
CD DATA
O
Serial data output to the digital signal processor
36
CD XLT
O
Serial data latch pulse signal output to the digital signal processor
37
CD CLK
O
Serial data transfer clock signal output to the digital signal processor
38
PWR RELAY
O
Main system power supply on/off control signal output
39
REC MUTE
O
Recording muting on/off control signal output
40 to 43
NC
—
Not used (open)
44
LED STANDBY
O
LED drive signal output of the standby indicator “H”: LED on
45
SC DT
O
Serial data output to the processor
46
SC SHIFT
O
Serial data shift clock signal output to the stream processor
47
SC LATCH
O
Serial data latch pulse signal output to the stream processor
48
NSP MUTE
O
Muting on/off control signal output to the stream processor “L”: muting on
47
HCD-SE1
Pin No.
Pin Name
I/O
Description
49
INIT
O
Reset signal output to the stream processor “L”: reset
50
HP DET
I
Headphone jack connection detection signal input terminal
“L”: no connected, “H”: headphone connected
“L”: no connected, “H”: headphone connected
51
NC
—
Not used (open)
52
VOL B
I
Jog dial pulse input from the rotary encoder (VOLUME) (B phase input)
53
VOL A
I
Jog dial pulse input from the rotary encoder (VOLUME) (A phase input)
54
CD LD-ON
O
CD-ROM/RW selection signal output to the RF amplifier “L”: CD-ROM, “H”: CD-RW
55
ENA
O
Output enable control signal output to the power driver
56
CD SENS
I
Internal status detection monitor input from the digital signal processor
57
TUNED
I
Tuning detection signal input from the tuner unit “L”: tuned
58, 59
NC
—
Not used (open)
60
CD XRST
O
Reset signal output to the digital signal processor and motor/coil driver “L”: reset
61
DIAG
I
Protect signal input from the power driver and protect detect circuit
62
VCC
—
Power supply terminal (+3.3V)
63
SOFT TEST
O
Output terminal for the software test Not used
64
VSS
—
Ground terminal
65
CD ON
O
Power supply on/off control signal output for the CD section “H”: power on
66
NC
—
Not used (open)
67
CDM RIN
(LOAD-OUT)
O
Motor drive signal (open direction) output terminal
68
CDM FIN (LOAD-IN)
O
Motor drive signal (close direction) output terminal
69
CDM SW1 (OUT)
I
Loading out detect switch input terminal “L”: loading out
70
CDM SW2
(CHUCK)
I
Chucking detect switch input terminal
71
CDM SW3
(TRIGGER)
I
Trigger detect switch input terminal
72
NC
—
Not used (open)
73
P DOWN
O
Power down control signal output “L”: power down
74
KEY WAKE UP
I
System wake up signal input by pressing any key
75 to 77
NC
—
Not used (open)
78
CD MUTE
O
CD analog signal muting on/off control signal output terminal “H”: muting on
79
NC
—
Not used (open)
80
DBFB
—
Not used (open)
81
LINE MUTE
O
Audio line muting on/off control signal output terminal “H”: muting on
82 to 84
NC
—
Not used (open)
85
HP MUTE
O
Headphone muting on/off control signal output terminal “H”: muting on
86
EQ CE
O
Chip enable signal output to the electrical volume
87
EQ DATA
O
Serial data output to the electrical volume
88
EQ CLK
O
Serial data transfer clock signal output to the electrical volume
89 to 91
NC
—
Not used (open)
92
MODEL
I
Model setting terminal
93
AREA
I
Destination setting terminal
94, 95
KEY2, KEY1
I
Front panel key input terminal (A/D input)
96
AVSS
—
Ground terminal (for analog system)
97
KEY0
I
Front panel key input terminal (A/D input)
98
VREF
I
Reference voltage (+3.3V) input terminal
99
AVCC
—
Power supply terminal (+3.3V) (for analog system)
100
FL RESET
O
Reset signal output to the FL driver “L”: reset
48
HCD-SE1
SECTION 6
EXPLODED VIEWS
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original one.
• Items marked “*” are not stocked since they are
seldom required for routine service. Some de-
lay should be anticipated when ordering these
items.
lay should be anticipated when ordering these
items.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
4-248-807-01 CASE
2
4-221-580-01 SCREW, CASE
3
A-4747-833-A JACK BOARD, COMPLETE
4
1-763-861-12 FAN, DC
5
A-4734-407-A TUNER UNIT (DTP-002)
#1
7-685-645-79 SCREW +BVTP 3X6 TYPE2 IT-3
#2
7-682-546-04 SCREW +P 3X5
#3
7-685-881-09 SCREW +BVTT 4X8 (S)
#4
7-685-533-14 SCREW +BTP 2.6X6 TYPE2 N-S
#5
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
6-1. CASE SECTION
a
b
b
a
front panel section
chassis section -1
#5
#5
#5
#5
#2
#3
#4
#1
3
5
4
1
2
2
not supplied
The components identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specified.
Click on the first or last page to see other CMT-SE1 / HCD-SE1 service manuals if exist.