Sony CDX-605 / XDC-40 Service Manual ▷ View online
– 31 –
4-5.
IC PIN FUNCTION DESCRIPTION
MAIN BOARD IC302
CXP84124-066Q (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Function
1
LIM.SW
I
Input of limit switch
2
BUSON
I
Input of Bus on control signal from SONY bus interface (IC204)
“H”: Bus on
3
EJECT
I
Input of EJECT key (SW303)
“H”: Eject on
4
LOAD 1
I
Input of LOAD OUT switch
5
LOAD 2
I
Input of LOAD IN switch
6
A.MUTE
O
Output of audio output mute on/off control signal
“H”: Mute on
7
EMPH
O
Output of emphasis mode for disc playing
“L”: on
8
CH.R
O
Output of control signal to
9
CH.F
O
the chucking motor drive (IC52)
10
—
—
Not used
11
ELV.R
O
Output of control signal to elevator motor drive (IC301)
12
ELV.ON
O
Output of mechanical deck power supply control signal
“H”: on
13
CD RST
O
Servo system resetting
14
CD ON
O
Output of servo power supply control signal
“H”: on
15
GBON
—
Not used
16
EEON
—
Not used
17-23
—
—
Not used
24
TEST1
I
Automatic adjustment selection
“L”: Automatic adjustment
“H”: Manual adjustment (Solder across
the BP302 terminal)
25-29
—
—
Not used
30
RESET
I
Input of system reset signal
“L”: Reset
31
EXTAL
I
Input of system clock (8 MHz)
32
XTAL
O
Output of system clock (8 MHz)
33
VSS
—
Ground pin
34
TX
—
Not used
35
TEX
I
Connected to ground
36
AVSS
—
Ground pin of A/D converter
37
AVREF
I
Input of A/D converter reference voltage
38
ATRIBT
I
Selection of custom file, D-BASS, etc.
39
MCK
I
Input of signal for fine adjustment of elevator position
40
EHS
I
Input of elevator position (RV302)
41
HTMP
—
Not used
42
—
—
Not used
43
MODE1
O
Output of D-BASS control signal
44
MODE2
O
Output of D-BASS control signal
45
MODE3
O
Output of D-BASS control signal
Not used
46, 47
—
—
Not used
48
SCK
O
Output of serial clock signal from SONY bus interface (IC204)
49
SI
I
Input of serial data signal from SONY bus interface (IC204)
50
SO
O
Output of serial data signal to SONY bus interface (IC204)
FWD
REV
Brake
CH.R
L
H
H
CH.F
H
L
H
Forward : Load chucking
Reverse : Save
Reverse : Save
– 32 –
51
SQCLK
O
Output of clock signal to CXD2530Q (IC101)
52
SUBQ
I
Input of subcode Q data signal from CXD2530Q (IC101)
53
—
—
Not used
54
—
—
Connected to the power supply
55
MGLK
I
Input of magazine eject completion detect switch (SW301)
“L”: Eject completed
56
SCOR
I
Input of subcode sync detect signal from CXD2530Q (IC101)
57
SENS2
I
Input of sense signal from CXA1992AR (IC11)
58
PWM
O
Output of PWM for control to elevator motor drive (IC301)
59
—
—
Not used
60
MAG.SW
I
Input of magazine detection switch (SW302)
“L”: Magazine detected
61
BUCHECK
I
Input of backup detection detection
“H”: Backup on
62
W.UP
I
Input of Bus on or EJECT key
63
C.OUT
I
Input of track counting signal
64
EEDATA
I/O
Input/output of data signal to E
2
PROM (IC303)
Not used
65
EECLK
O
Output of clock signal to E
2
PROM (IC303)
Not used
66
EEINIT
I
Input of initialize signal from E
2
PROM (IC303)
fixed at “L”
67
—
—
Not used
68
SINGLE
I
Selection of single mode
“L”: Single CD playing
69
FOK
I
Input of focus OK signal from CXA1992AR (IC11) and CXD2530Q (IC101)
70
GFS
I
Input of guard frame sync signal from CXD2530Q (IC101)
71
SENS1
I
Input of sense signal from CXD2530Q (IC101)
72
VDD
—
Power supply
73
—
—
Connected to the power supply
74
CD CLK
O
Output of serial data transfer clock signal to CXD2530Q (IC101)
75
CD XLT
O
Output of latch signal to CXD2530Q (IC101)
76
CD DATA
O
Output of serial data signal to CXD2530Q (IC101)
77-80
—
—
Not used
Pin No.
Pin Name
I/O
Function
– 33 –
7
5
11
13
14
13
12
12
15
16
1
2
6
19
3
1
4
21
8
20
17
18
18
9
#2
#2
#1
#2
#2
#2
MG-250A-137
#4
#3
NOTE:
•
-XX and -X mean standardized parts, so they
may have some difference from the original
one.
may have some difference from the original
one.
•
Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
Example:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color
Cabinet's Color
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
•
The mechanical parts with no reference num-
ber in the exploded views are not supplied.
ber in the exploded views are not supplied.
•
Hardware (# mark) list and accessories and
packing materials are given in the last of the
electrical parts list.
packing materials are given in the last of the
electrical parts list.
SECTION 5
EXPLODED VIEWS
The components identified by mark
! or dotted line with mark ! are
! or dotted line with mark ! are
critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
(1) COVER SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
3-010-104-01 DAMPER (250)
*
2
3-010-097-21 COVER (LOWER)
3
1-664-628-11 JACK FLEXIBLE BOARD
*
4
1-664-631-11 JACK BOARD
5
X-3373-488-1 DOOR ASSY
*
6
3-012-790-01 SHEET (F), PROTECTION
7
3-010-098-51 PANEL, FRONT
8
3-012-388-01 SCREW (M 2X3)
*
9
3-010-105-01 ESCUTCHEON
*
10
3-010-106-01 BUTTON (EJ) (
6)
*
11
3-010-107-01 HEAT SINK
12
3-010-103-01 SPRING (FL)
13
3-010-101-11 LEVER (FL)
*
14
3-010-096-21 COVER (UPPER)
*
15
A-3309-928-A MAIN BOARD, COMPLETE
16
1-664-627-11 MAIN FLEXIBLE BOARD
17
3-913-406-01 SCREW (GROUND)
18
X-3373-215-1 ARM (FL) ASSY
*
19
3-013-658-01 SHEET (FJ), PROTECTION
*
20
3-014-434-01 COLLAR (PRINT)
21
3-014-390-01 SPRING (PWM), TENSION
Ver 1.1
– 34 –
#3
#5
#3
#3
55
56
57
55
54
53
58
60
59
61
60
52
51
62
63
51
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
(2) MECHANISM DECK SECTION-1
(MG-250A-137)
Ver 1.1
51
4-965-759-01 WASHER, POLYETHYLENE
*
52
X-3373-239-1 SLIDER (R) ASSY
53
3-010-244-01 SPRING (STOPPER. UPPER)
*
54
X-3373-243-1 CASE (UPPER) ASSY
55
3-010-217-01 SPRING (EJECT)
*
56
3-010-162-01 LEVER (EJECT)
*
57
3-011-998-01 BRACKET (STOPPER UPPER)
*
58
3-010-240-01 SLIDER (L)
59
3-011-997-01 SPRING (STOPPER LOWER)
60
3-578-224-00 WASHER
61
3-736-073-01 SLIDER, POLYETHYELENE
62
3-014-433-01 COLLAR (SLIDER)
63
3-920-362-01 SCREW (ESCUTCHEON)
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