Sony XR3F-19B160 Service Manual ▷ View online
16
Pin No.
Pin Name
I/O
Description
50
FGG
O
Focusing gain automatic alignment signal output to the focus coil driver (IC402)
51
—
—
Not used (open)
52
XRST
O
Reset signal output to the SM5852CS (IC302), CXA1782BR (IC501) and CXD2507AQ (IC502)
“L”: reset
“L”: reset
53
DCLK
O
Serial data transfer clock signal output to the CXD2507AQ (IC502)
54
DDATA
O
Serial data output to the CXD2507AQ (IC502)
55
DLAT
O
Serial data latch pulse signal output to the CXD2507AQ (IC502)
56
LMOT1
O
Loading motor (M903) drive signal output terminal *1
57
LMOT2
O
Loading motor (M903) drive signal output terminal *1
58
—
—
Not used (open)
59
IGN
I
Ignition input terminal (connected to power supply in this set)
60
RESET
I
System reset signal input from the reset signal generator (IC602) “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”
61
SENS
I
Internal status input from the CXD2507AQ (IC502)
62
RADIOON
I
Radio on/off control signal input from the power connector (CN201)
63
BATTCHK
I
Backup power detection signal input terminal (used also to reset standby)
64
SCOR
I
Subcode sync (S0+S1) detection signal input from the CXD2507AQ (IC502)
65
C.OUT
I
Track number count signal input from the CXA1782BR (IC501)
66
EJKEY
I
Inputs the disc eject switch (S501) detection signal
“L” is input while the switch is pressed (used also to reset standby)
“L” is input while the switch is pressed (used also to reset standby)
67
BATTDET
(INSW)
—
Not used (open)
68
VDD
—
Power supply terminal (+5V) (for digital system)
69
X2
O
Main system clock output terminal (4.19 MHz)
70
X1
I
Main system clock input terminal (4.19 MHz)
71
IC
—
Internal connection terminal (normally connected to ground)
72
—
O
Not used (open)
73
—
I
Not used (fixed at “L”)
74
AVDD
—
Power supply terminal (+5V) (for analog system)
75
AVREF0
I
Reference voltage input terminal (+5V) (for A/D converter)
76
LAMPIN
I
Lamp drive voltage input from the power connector (CN201)
77
SH/LO
O
Shift/load control signal output to the key control (IC502)
78
QH
I
Key data input from the key control (IC502)
79
LSW
I
Inputs the sled limit in detect switch (S301) detection signal
“H”: When the optical pick-up is inner position
“H”: When the optical pick-up is inner position
80
DSW
I
Inputs the disc set detect switch (S601) detection signal
“L”: When completion of the disc chucking operation
“L”: When completion of the disc chucking operation
*1 Loading motor (M903) control
LMOT1 (pin %§)
“H”
“L”
“H”
“L”
LMOT2 (pin %¶)
“H”
“H”
“L”
“L”
Terminal
Operation
OFF
OUT
IN
BRAKE
17
(1)
GENERAL
SECTION 3
EXPLODED VIEWS
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
specified.
• 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.
• Hardware (# mark) list and accessories and
packing materials are given in the last of the
electrical parts list.
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
3-362-079-01 REINFORCEMENT (PANEL)
2
3-342-659-01 SCREW (SPRING CLIP)
* 3
1-654-932-11 SIGNAL CONNECTOR BOARD
* 4
3-917-782-01 CASE
5
1-775-347-11 CABLE, FLEXIBLE FLAT (25 CORE)
* 6
3-917-783-01 BRACKET
* 7
A-3309-933-A MAIN BOARD, COMPLETE
* 8
3-917-806-04 CHASSIS
* 9
1-654-931-11 POWER CONNECTOR BOARD
10
2-641-430-01 SCREW (2.6X6), (+) K TAPPING
CN201
1-569-522-11 PIN, CONNECTOR 6P
CN301
1-565-094-11 SOCKET, CONNECTOR 6P
not supplied
not supplied
#2
#2
#3
CN201
CN301
#3
#3
#3
#3
MG-205F-132
4
10
10
1
10
1
10
2
8
6
key board unit
2
3
9
5
7
18
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
(2)
KEY BOARD UNIT
* 51
A-3291-761-A PANEL ASSY
52
3-913-332-11 BUTTON, SEESAW (
= AMS +)
53
3-913-333-11 BUTTON (SCAN)
54
3-913-333-01 BUTTON (
(p PLAY/STOP)
55
3-913-332-01 BUTTON, SEESAW (
0 REV/FF ))
56
3-913-331-01 BUTTON, SHUFFLE
57
3-913-330-01 BUTTON, COMPRESS
58
3-913-329-01 BUTTON, EJECT
59
3-913-319-01 PANEL, FRONT
* 60
3-913-325-01 GUIDE (EJ), LIGHT
* 61
3-913-322-01 GUIDE (A), LIGHT
* 62
3-913-323-01 GUIDE (B), LIGHT
* 63
3-913-324-01 GUIDE (C), LIGHT
* 65
3-913-327-01 PLATE, SHIELD
66
X-3377-305-1 PANEL ASSY, SUB
* 67
A-3294-090-A KEY BOARD, COMPLETE
68
3-913-335-02 SPACER
69
3-913-328-02 COVER, DISPLAY
70
3-917-138-01 SPACER
* 71
3-917-809-01 SHEET, INSULATING
73
X-3377-304-1 DISPLAY ASSY
75
3-936-377-01 TAPE (FILTER)
76
3-917-810-01 SPACER (FL TUBE)
PL501
1-517-554-11 LAMP, PILOT (BLUE)
PL502
1-517-554-11 LAMP, PILOT (BLUE)
PL503
1-517-554-11 LAMP, PILOT (BLUE)
PL504
1-517-554-11 LAMP, PILOT (BLUE)
PL505
1-517-554-11 LAMP, PILOT (BLUE)
PL506
1-517-554-11 LAMP, PILOT (BLUE)
PL507
1-517-554-11 LAMP, PILOT (BLUE)
VFD501 1-517-360-11 INDICATOR TUBE, FLUORESCENT
52
53
54
55
56
57
62
59
73
61
63
66
63
67
68
VFD501
76
71
68
58
69
75
60
70
51
65
PL504-507
PL501-503
#10
#10
#10
62
19
(3)
MECHANISM DECK SECTION-1
(MG-205F-132)
(MG-205F-132)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 101
A-3309-934-A MD MAIN BOARD, COMPLETE
102
3-384-894-01 GEAR (R1
103
3-384-900-01 SPRING (PRESS)
105
3-578-242-11 WASHER
* 106
3-029-143-01 GEAR (R2/F)
107
3-384-896-01 GEAR (DOWN)
108
X-3366-858-4 ARM ASSY, FRICTION
109
3-384-899-01 SPRING (FRICTION)
110
3-384-892-01 BEARING (ROLLER)
112
3-701-438-11 WASHER, 2.5
113
3-909-408-01 ROLLER (T)
114
3-386-150-01 RING (ROLLER), RETAINING
115
A-3252-591-A GEAR ASSY, ROLLER
* 116
X-3373-302-2 CHASSIS (M) ASSY
117
3-384-923-01 SHAFT (DAMPER)
118
3-384-916-01 SPRING (FL)
119
3-384-914-01 DAMPER
* 120
3-384-915-11 BRACKET (CP)
* 121
3-384-918-21 RETAINER (DISC)
122
3-384-908-31 ARM, CHUCKING
124
3-384-888-01 SLIDER (L)
125
3-384-887-01 LEVER (L)
* 126
3-906-923-03 GUIDE (DISK 2)
* 127
1-653-378-13 SENSOR BOARD
* 128
X-3377-273-1 CHASSIS (TB) ASSY
129
3-384-881-02 SPRING (12)
130
3-384-917-01 SPRING (CH)
132
X-3366-102-1 SLIDER (R) ASSY
* 133
X-3366-853-1 CHASSIS (R) ASSY
134
3-384-889-01 LEVER (R)
135
3-384-897-01 GEAR (RACK)
136
3-384-891-11 LEVER (ST)
137
3-388-331-11 SPRING (T)
138
3-387-776-01 BELT (L)
* 140
X-3366-857-1 ARM ASSY, ROLLER
141
3-918-103-01 SCREW (TOOTH) (+P 2)
M903
A-3252-580-A MOTOR (L) ASSY (LOADING)
#5
#5
128
127
121
130
122
129
M903
A
138
#4
137
120
119
118
116
#5
#5
136
135
134
132
133
117
A
141
105
105
106
107
108
102
103
126
124
125
101
109
110
114
112
140
103
110
112
113
115
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