Sony CMT-CPX1 / HCD-CPX1 (serv.man2) Service Manual ▷ View online
45
HCD-CPX1
Pin No.
Pin Name
I/O
Description
44
LED STANDBY
O
LED drive signal output of the standby indicator “H”: LED on
45
SC DT
O
Serial data output to the digital audio signal processor
46
SC SHIFT
O
Serial data shift clock signal output to the digital audio signal processor
47
SC LATCH
O
Serial data latch pulse signal output to the digital audio signal processor
48
NSP MUTE
O
Muting on/off control signal output to the digital audio signal processor “L”: muting on
49
INIT
O
Reset signal output to the digital audio signal 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
LED BL
O
Power on/off control signal output for the liquid crystal display back light “H”: power on
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 amplifier
56
CD SENS
I
Internal status detection monitor input from the digital signal processor
57
ST TUNED
I
Tuning detection signal input from the tuner unit “L”: tuned
58
TC TRG
O
Trigger plunger on/off control signal output terminal “H”: plunger on
59
TC CAPM-CONT
O
Capstan/reel motor on/off control signal output terminal “H”: motor on
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 amplifier 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 BD-PWR
O
Power supply on/off control signal output for the CD section “H”: power on
66
SP RELAY
O
Relay drive signal output for the speaker protect Not used
67
CDM LOAD-OUT
O
Motor drive signal (open direction) output terminal
68
CDM LOAD-IN
O
Motor drive signal (close direction) output terminal
69
CDM OUT-SW
I
Loading in/out detect switch input terminal “L”: loading out
70
CDM IN-SW
I
Loading in/out detect switch input terminal “L”: loading in
71
BASS A
I
Jog dial pulse input from the rotary encoder (BASS) (A phase input)
72
BASS B
I
Jog dial pulse input from the rotary encoder (BASS) (B phase input)
73
P DOWN
O
Power down control signal output to the A/D converter “L”: power down
74
KEY WAKE UP
I
System wake up signal input by pressing any key
75
—
—
Not used
76
TRE A
I
Jog dial pulse input from the rotary encoder (TREBLE) (A phase input)
77
TRE B
I
Jog dial pulse input from the rotary encoder (TREBLE) (B phase input)
78
CD MUTE
O
CD analog signal muting on/off control signal output terminal “H”: muting on
79
LED CD
O
LED drive signal output of the CD NX indicator “H”: LED on
80
TC ALC
O
Automatic limiter control signal output to the recording/playback equalizer amplifier
“H”: limiter on
“H”: limiter on
81
LINE MUTE
O
Audio line muting on/off control signal output terminal “H”: muting on
82
PWR RELAY
O
Main system power supply on/off control signal output terminal “H”: power on
83
LED DSG
O
LED drive signal output of the DSG indicator “H”: LED on
84
LED TUNER
O
LED drive signal output of the TUNER BAND indicator “H”: LED on
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
LED TC
O
LED drive signal output of the TAPE nN indicator “H”: LED on
46
HCD-CPX1
Pin No.
Pin Name
I/O
Description
90
TC END SW
I
Tape end detect switch input terminal
91
TC HALF/REC/SW
I
Recording-proof claw (forward/reverse) detect switch and cassette in detect switch input terminal
(A/D input)
(A/D input)
92
MODEL
I
Model setting terminal
93
DEST
I
Destination setting terminal
94, 95
KEY3, KEY2
I
Front panel key input terminal (A/D input)
96
AVSS
—
Ground terminal (for analog system)
97
KEY1
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
LCD RESET
O
Reset signal output to the liquid crystal display driver “L”: reset
47
HCD-CPX1
SECTION 7
EXPLODED VIEWS
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Accessories and packing materials are given
in the last of the electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
3-363-099-11 SCREW (CASE 3 TP2)
2
4-233-372-02 FOOT (FELT)
#1
7-685-645-79 SCREW +BVTP 3X6 TYPE2 TT (B)
7-1. CASE SECTION
1
#1
not supplied
#1
#1
front panel section -1
1
chassis section -1
2
Les composants identifiés par une
marque 0 sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
marque 0 sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
The components identified by mark
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number
specified.
critical for safety.
Replace only with part number
specified.
• Abbreviation
AUS : Australian model
CND : Canadian model
KR
CND : Canadian model
KR
: Korean model
SP
: Singapore model
48
HCD-CPX1
7-2. FRONT PANEL SECTION-1
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
4-244-021-01 SPRING (LID TC), TORSION
52
1-796-456-31 DECK, MECHANICAL
53
A-4731-316-A TC BOARD, COMPLETE
54
1-824-192-11 WIRE (FLAT TYPE) (8 CORE)
55
1-773-110-11 WIRE (FLAT TYPE) (19 CORE)
56
3-669-480-11 + PTPWH 2
57
4-951-620-01 SCREW (2.6X8), +BVTP
58
4-244-014-01 LEVER (EJECT)
59
4-244-023-01 SPRING (EJECT), COMPRESSION
60
4-244-012-01 BUTTON (EJECT)
61
4-933-134-11 SCREW (+PTPWH M2.6X8)
62
4-244-530-01 DAMPER
#2
7-685-646-79 SCREW +BVTP 3X8 TYPE2 TT (B)
#2
#2
not supplied
52
53
54
55
56
57
not supplied
59
58
60
61
62
front panel section-2
51
lid (TC) section
Click on the first or last page to see other CMT-CPX1 / HCD-CPX1 (serv.man2) service manuals if exist.