Sony CMT-SD1 / CMT-SD3 / HCD-SD1 Service Manual ▷ View online
– 54 –
7-19. IC PIN FUNCTIONS
• IC701 System Control (
µ
PD780018AYGF-015-3BA) (MAIN Board)
1
BD POWER
O
CD power control pin, “H”:CD POWER ON
2
PANEL SW
I
Front cover open/close switch, “H”:Open glass door, “L”:Close glass door
3 to 7
–
I
Not used
8
AC.CUT
I
AC power connection signal, “L”:Power is disconnected
9
VPP
–
Normally connected to the ground pin
10
X2
O
Main system clock output pin (5 MHz)
11
X1
I
Main system clock input pin (5 MHz)
12
VDD1
–
Positive power supply (+5V)
13
XT2
O
Sub system clock output pin (32 kHz)
14
XT1
I
Sub system clock output pin (32 kHz)
15
RESET
I
System reset input pin, “L”:RESET
16, 17
–
I
Not used
18
ENCODER A
I
Encoder input pin for jogging
19
ENCODER B
I
Encoder input pin for jogging
20
RDSCLK
I
RDS clock input pin (Not used)
21
RDSDAT
I
RDS data input pin (Not used)
22
SCOR
I
SCOR input pin
23
VDD0
–
Positive power supply of port (+5V)
24
ADREF
–
Reference voltage of A/D converter (+5V)
25
KEY1
I
Key input pin (Analog input)
26
KEY0
I
Key input pin (Analog input)
27 to 30
–
I
Not used
31
HP-SW
I
Headphone detection SW, “L”:No HP, “H”:HP
32
–
I
Not used
33
AVSS
–
A/D converter ground potential
34
–
I
Not used
35
FL.DAT
O
Serial data output for FL tube control IC (MSM9202-02)
36
FL.CLK
O
Serial clock output for FL tube control IC (MSM9202-02)
37
FL.LAT
O
Chip select output for FL tube control IC (MSM9202-02)
38
FL.RST
O
Reset signal output for FL tube control IC (MSM9202-02)
39
–
I
Not used
40
VSS1
–
Ground potential other than port and analog
41, 42
–
I
Not used
43
SQSI
I
CD sub code data input
44
–
I
Not used
45
SQCK
O
Clock output for reading CD sub code
46 to 48
–
I
Not used
49
IN-SW
I
CD tray close completion detection input, “L”:CLOSE
50
OUT-SW
I
CD tray open completion detection input, “L”:OPEN
51
HELP
I
Pin requesting power ON from the PC link adapter (optional), Normally “H”
52
FSW
O
Focus gain switch
53
SENSE
I
SENSE input pin
54
–
I
Not used
55
IIC DAT
I/O
System control communication data input/output pin
56
IIC CLOCK
I/O
System control communication clock input/output pin
57
CD-CLK
O
Serial clock for CD control
58
CD-DATA
O
Serial data for CD control
59
DF-LAT
O
Chip select signal for DA/DF
60
DSP-LAT
O
DSP IC and SSP IC chip select
Pin No.
Pin Name
I/O
Function
– 55 –
61
LOAD IN
O
Tray loading motor control signal, “L”:Loading
62
LOAD OUT
O
Tray loading motor control signal, “L”:When OPEN
63
BD.RESET
O
IC reset signal for CD control, “L”:RESET
64
LIGHT
O
BLUE LED control port of front panel, “L”:LED ON
65
SDATA
O
Serial data for SOUND PROCESSOR IC101 (M62428AFP)
66
SCLOCK
O
Serial clock for SOUND PROCESSOR IC101 (M62428AFP)
67
SLAT1
O
Chip select for SOUND PROCESSOR IC101 (M62428AFP)
68
MUTE1
O
Audio mute signal, “H”:Power amplifier ICs (IC801, IC851) MUTE
69
MUTE2
O
Audio mute signal, “L”:Line mute (Q141, Q241) MUTE
70
STANDBY LED
O
Signal controlling LED which lights when power is OFF, “L”:LED ON
71
VSS0
–
Ground potential of port
72
ON LED
O
Signal controlling LED which lights when power is ON, “L”:LED ON
73
TIMER LED
O
Signal controlling LED which lights in timer standby, “H”:LED ON
74
–
I
Not used
75
FL DISP SW
O
Power ON/OFF signal for FL display, “H”:FL display ON
76
SP RELAY SW
O
Speaker relay control signal, “L”:Speaker relay ON
77 to 80
–
I
Not used
81
ON/XSTBY
O
System power control signal, “H”:Standby relay ON
82
STEREO
I
Tuner stereo signal, “L”:Stereo
83
TUNED
I
Tuner selection OK signal, “L”:TUNED
84
ST IDATA
I
Serial input data for tuner
85
ST ODATA
O
Serial output data for tuner
86
ST.CLOCK
O
Serial clock for tuner
87
ST LATCH
O
Chip select for tuner
88
ST MUTE
O
Tuner mute output
89
ST POWER
O
Tuner power signal (Not used)
90
SIRCS
I
SIRCS code input signal (Remote control signal input)
91
PCL
I
32 KHz clock monitor out
32.768 kHz signal is output in the test mode (Refer to page 12.)
92, 93
–
I
Not used
94
DEST1
I
Destination differentiation signal (Fixed at “H”)
95
DEST2
I
Destination differentiation signal (Fixed at “L”)
96
–
I
Not used
97
HP MUTE
O
HP mute signal output
98
MD-MUTE
O
MD REC OUT control signal
“L”:MD REC OUT MUTE (“L” only for MD function)
99
TC-MUTE
O
REC OUT control signal of TAPE
“L”:TAPE REC OUT MUTE (“L” only for TAPE function)
100
V/T
O
Function control signal “H”:TAPE, “L”:CS/BS
Pin No.
Pin Name
I/O
Function
– 56 –
SECTION 8
EXPLODED VIEWS
8-1. FRONT PANEL SECTION
NOTE:
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
should be anticipated when ordering these items.
• The mechanical parts with no reference number in
the exploded views are not supplied.
• Hardware (# mark) list and accessories and pack-
ing materials are given in the last of this parts list.
• Abbreviation
HK
: Hong Kong model
SP
: Singapore model
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
14
4-951-620-01 SCREW (2.6X8), +BVTP
15
1-769-940-11 WIRE (FLAT TYPE) (11 CORE)
16
1-769-972-11 WIRE (FLAT TYPE) (13 CORE)
* 17
1-671-609-11 HP BOARD
* 18
A-4419-060-A PANEL BOARD, COMPLETE
19
3-363-099-51 SCREW (CASE 3 TP2)
* 20
4-212-561-31 CASE
21
4-212-540-11 PANEL (AL-CD), LOADING
22
4-212-541-11 PANEL (CD), LOADING
23
4-212-545-11 PLATE (CD), ORNAMENTAL
* 24
4-212-590-11 HOLDER (FL)
FL601
1-517-805-11 INDICATOR TUBE, FLUORESCENT
1
X-4950-580-1 GLASS ASSY (CD)
2
4-212-584-01 BRACKET (SHAFT)
3
4-993-007-01 SCREW (M2.6X6), +P TAPPING
4
4-942-636-21 EMBLEM (NO.3.5), SONY
5
4-212-538-11 PANEL (AL-CD), FRONT
6
X-4950-364-1 KNOB (VOL) ASSY
7
4-212-542-11 RING (VOL)
8
X-4950-995-1 PANEL ASSY (CD), FRONT
9
4-212-580-11 SPRING (GLASS)
10
X-4950-999-1 BRACKET (R) ASSY
* 11
1-671-610-11 VOLUME BOARD
12
X-4950-998-1 BRACKET (L) ASSY
* 13
1-671-617-11 PANEL-SW BOARD
1
2
2
3
3
4
5
6
22
21
23
7
8
9
10
11
12
13
15
16
18
19
19
20
24
#1
#2
FL601
Supplied with J667
14
14
17
14
14
not supplied
not supplied
not supplied
– 57 –
8-2. CHASSIS SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 61
A-4419-065-A SUB-TRANS BOARD, COMPLETE
* 62
1-671-614-11 CONNECTOR BOARD
63
X-4950-994-1 FOOT ASSY
* 64
1-671-611-11 AMP BOARD
! 65
1-770-019-11 ADAPTOR, CONVERSION PLUG 3P (UK,HK)
66
3-531-576-01 RIVET
67
3-655-653-01 BAND (TAITON), BINDING
! CN904
1-526-794-11 OUTLET, AC
M551
1-698-997-21 FAN, D.C.
! T991
1-433-478-11 TRANSFORMER, POWER
* 51
A-4419-059-A MAIN BOARD, COMPLETE (AEP,UK)
* 51
A-4419-070-A MAIN BOARD, COMPLETE (SP,HK)
* 52
A-4419-068-A REG BOARD, COMPLETE
53
1-790-305-11 WIRE (FLAT TYPE) (19 CORE)
54
1-693-408-11 TUNER
* 55
1-671-615-11 TRANS BOARD
* 56
A-4419-064-A CHEMI-CON BOARD, COMPLETE
! 57
1-575-651-91 CORD, POWER
* 58
3-703-244-00 BUSHING (2104), CORD
* 59
4-212-564-11 PANEL (CD), BACK
60
1-773-108-11 WIRE (FLAT TYPE) (19 CORE)(100mm)
The components identified by mark
! or dotted
line with mark
! are critical for safety.
Replace only with part number specified.
63
51
52
53
54
55
66
67
56
57
58
59
60
61
62
T991
M551
CN904
63
not supplied
not supplied
not supplied
not supplied
CDM13B-5BD19
not supplied
not
supplied
supplied
not
supplied
supplied
#2
#1
#2
#2
#2
#2
#2
#5
#2
#1
#1
#2
#1
#1
#2
#4
#4
#2
#1
#1
#2
#2
#2
64
65
(UK,HK)
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