Sony MDX-61 Service Manual ▷ View online
– 39 –
Pin No.
Pin Name
I/O
Function
1-5
T13-T17
I
Test key (4
×
8 matrix) signal output terminal
(Fixed at “L”)
6
M1
O
Elevator motor (M904) drive signal output (UP) *1
7
M1
O
Elevator motor (M904) drive signal output (DOWN) *1
8
M2
O
Loading motor (M903) drive signal output *2
9
M2
O
Loading motor (M903) drive signal output *2
10
MDMON
O
Power control output (Mechanism deck system) Power ON : "H"
11
LES
I
Detection signal input from the loading end sensor switch (S902)
12
SES
I
Detection signal input from the store end sensor switch (S903)
13
HOME
I
Detection signal input from the home position switch (S901) Home position : "L"
14
DCS1
I
Detection signal input from the disc1 switch (S611) No disc "L"
15
DCS2
I
Detection signal input from the disc2 switch (S612) No disc "L"
16
DCS3
I
Detection signal input from the disc3 switch (S613) No disc "L"
17
DCS4
I
Detection signal input from the disc4 switch (S614) No disc "L"
18
DCS5
I
Detection signal input from the disc5 switch (S615) No disc "L"
19
DCS6
I
Detection signal input from the disc6 switch (S616) No disc "L"
20
CH/SINGLE
I
Changer/single setting up terminal When used the changer : "H" (Fixed at "H")
21
ILLON
O
Lamp (PL620) drive signal outuput for illumination When lamp is ON : "H"
22-29
N.C.
O
Not used (OPEN)
30
RST
I
System reset signal input When reset : "L"
31
EXTAL
I
10MHz system clock signal input
32
XTAL
O
10MHz system clock signal output
33
VSS
–
Ground terminal
34
TX
O
32.768kHz clock signal output for a clock
35
TEX
I
32.768kHz clock signal input for a clock
36
AVSS
–
Ground terminal (Analog system)
37
AVREF
–
Reference voltage (+5V) input for the A/D converter
38
INIT
I
Initial reset signal input (Normally : "H")
39
TEMP
I
Temperature detection signal input
40
EHS
I
Disc hight position detection signal input
41
N.C.
O
Not used (OPEN)
42
EE-CS
O
Chip select signal output for a EEPROM Not used this set (OPEN)
43
EE-CKO
O
Serial clock signal output for a EEPROM Not used this set (OPEN)
44
EE-SIO
I/O
Data signal input/output for a EEPROM Not used this set (OPEN)
45
MD-SO
O
Write data signal output to RF AMP (IC100), CXD2535CR (IC200) and CXD2536CR (IC500)
46
LNKOFF
O
LINK OFF signal output for serial communications Not used this set (OPEN)
47
UNIREQ
O
Request signal output for serial communications Not used this set (OPEN)
48
UNICKI
I
Clock signal (serial communications) input
49
UNISI
I
Data signal (serial communications) input
50
UNISO
O
Data signal (serial communications) output
51
MD-CKO
O
Serial clock signal output to RF AMP (IC100), CXD2535CR (IC200) and CXD2536CR (IC500)
52
MD-SI
I
Read data signal input from CXD2535CR (IC200) and CXD2536CR (IC500)
53
N.C.
O
Not used
54
SENS
I
Internal status (SENS) input from CXD2535CR (IC200) and CXD2536CR (IC500)
55
CC-XINT
I
Interruption stsatus input from CXD2536CR (IC500)
MAIN BOARD IC600 CXP84340-043Q (SYSTEM CONTROLLER)
– 40 –
Pin No.
Pin Name
I/O
Function
56
LIMIT-SW
I
Detection signal input from the limit switch (S400) When sled limit in : "L"
57
DOOR-SW
I
Detection signal input from the door open/close switch (S620) When open : "L"
58
MD-LAT
O
Serial latch signal output to RF AMP (IC100), CXD2535CR (IC200) and CXD2536CR (IC500)
59
MD-RST
O
Reset signal output to RF AMP (IC100), CXD2535CR (IC200) and CXD2536CR (IC500)
When reset "L"
60
BU-IN
I
Battery detection signal input
61
BUS-ON
I
BUS-ON detection signal (serial communications) input
BUS ON : “L”
62
SQSY
I
Sub-code Q sync (SCOR) input from CXD2535CR (IC200)
"L" every 13.3msec, Almost "H"
63
STR-SW
I
Detection signal input from the STOP switch (S600)
64
FOK
I
Focus OK signal input from CXD2435CR (IC200) "H" is input when the focus is applied
65
MD-ON
O
Power control signal output (Servo system) Power ON : "H"
66
EMPH-O
O
Deemphasis control signal output to the D/A converter (IC550) Deemphasis ON "L"
67
A-MUT
O
Audio mute signal output When mute : "H"
68
N.C.
O
Not used (OPEN)
69
CLOCK
O
Clock signal output for test mode indication
Not used this set (OPEN)
70
DATA
O
Data signal output for test mode indication
Not used this set (OPEN)
71
TM-ON/OFF
I
Test mode set up terminal Normolly :"H" When test mode : "L"
72
VDD
–
Power supply terminal (+5V)
73
N.C.
–
Not used (Fixed at "H")
74
TO0
O
Test key (4x8 matrix) signal output terminal (OPEN)
75
TO1
O
Test key (4x8 matrix) signal output terminal (OPEN)
76
TO2
O
Test key (4x8 matrix) signal output terminal (OPEN)
77
TO3
O
Test key (4x8 matrix) signal output terminal (OPEN)
78
TI0
I
Test key (4x8 matrix) signal input terminal (Fixed at "L")
79
TI1
I
Test key (4x8 matrix) signal input terminal (Fixed at "L")
80
TI2
I
Test key (4x8 matrix) signal input terminal (Fixed at "L")
*1 Elevator motor (M904) control
UP
DOWN
M1 pin 6
"H"
"L"
M1 pin 7
"L"
"H"
*2 Loading motor (M903) control
IN
OUT
Brake
M2 pin 8
"L"
"H"
"H"
M2 pin 9
"H"
"L"
"H"
Mode
Terminal
Mode
Terminal
– 41 –
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 Appearrance 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.
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.
Les composants identifiés par une
marque
marque
! sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le neméro spécifié.
Ne les remplacer que par une pièce
portant le neméro spécifié.
4-1.
CASE SECTION
SECTION 4
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 11
A-3294-228-A POWER BOARD, COMPLETE
12
3-930-176-01 DAMPER (798)
13
3-930-177-01 SPRING (FL), TENSION
* 14
3-930-173-31 CASE (LOWER)
15
3-931-697-01 CUSHION (STOPPER)
16
3-348-750-01 CUSHION (DAMPER)
17
3-930-744-01 SPACER (DOOR)
18
3-933-740-01 SHEET (SLIDE)
19
3-831-441-11 CUSHION, RATTLE ABSORBER
CNP1
1-776-105-11 CORD (WITH CONNECTOR) (BUS CONTROL/
RCA PIN JACK)
1
X-3371-273-1 DOOR (S) ASSY(/EXP)
2
3-930-168-11 DOOR (P)
3
3-912-956-11 SCREW (2.6X6) (CU), +BVTT
4
4-969-961-01 EMBLEM (NO.4), SONY
5
X-3373-364-1 PANEL (FRONT) ASSY (/EXP)
* 6
1-664-517-11 LAMP BOARD
7
3-909-607-01 SCREW
* 8
3-930-172-31 CASE (UPPER)
9
3-930-175-11 COVER (CORD)
10
X-3371-225-1 PANEL (REAR) ASSY (/EXP)
11
#1
CNP1
7
15
12
13
14
13
15
3
7
6
MG-798-133
17
18
1
17
2
not supplied
19
4
12
9
10
16
3
8
5
– 42 –
Ref. No.
Part No.
Description
Remark
4-2.
MECHANISM SECTION-1
(MG-798-133)
(MG-798-133)
51
3-930-351-01 WHEEL (ELV), WORM
52
3-377-719-11 WASHER, POLYETHYLENE
53
3-880-990-00 SCREW (1.7X3),FLAT,(+) SPECIAL
* 54
A-3294-229-A MAIN BOARD, COMPLETE
55
1-776-474-11 CABLE, FLAT 7P
56
1-658-887-11 MAIN FLEXIBLE BOARD
57
1-658-881-11 SERVO FLEXIBLE BOARD
58
3-909-412-01 SCREW (+P) (1.7X2) (TYPE 3)
59
A-3309-891-A SENSOR BOARD, COMPLETE
60
3-930-312-01 BEARING (ELV)
61
X-3371-220-1 BRACKET (LD) ASSY
62
3-930-365-01 WHEEL (LD), WORM
63
3-930-317-01 GEAR (LD)
Ref. No.
Part No.
Description
Remark
* 64
X-3371-218-1 CHASSIS (BASE) ASSY
65
X-3371-211-1 CHASSIS (GEAR) ASSY
66
3-930-313-01 GEAR (ELVC)
67
3-931-698-01 CUSHION (ROLL L)
68
3-348-750-01 CUSHION (DAMPER)
69
3-931-366-01 STOPPER, LEAD
* 70
3-931-149-02 SHEET (MAIN PC BOARD)
* 71
3-931-025-01 SHEET (MECHANICAL DECK)
M903
X-3371-508-1 MOTOR ASSY (LOADING)
M904
A-3291-505-A ELV MOTOR BLOCK ASSY (ELEVATOR)
S902
1-570-771-11 SWITCH (LES)
S903
1-570-771-21 SWITCH (SES)
58
#4
M903
61
62
52
63
#3
#2
#2
64
#2
#2
#2
70
54
55
S903
#4
#2
60
69
59
71
60
S902
65
52
66
68
67
52
51
53
57
56
60
M904
Ver 1.1
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