Sony CDX-F50M Service Manual ▷ View online
33
CDX-F50M
Pin No.
Pin Name
I/O
Pin Description
66
RAM BU
O
Not used in this set. (Fixed at “L”.)
67
TEST IN
I
Test mode detect signal input
68
FLASH W
I
Memory mode changeover signal input
Normally “H” input (single chip mode) “L” after reset: Flash write mode
69
NOSE SW
I
Front panel attachment detect signal input
“L” input: With panel, “H” input: Without panel
70, 71
NC
—
Not used in this set. (Open)
72
DOOR SW
I
Front panel open/close detect signal input
“L” input: Panel close, “H” input: Panel open
73
DOOR IND
O
Sub panel power supply control signal output
74
RC IN1
I
Rotary commander shift key signal input
75
XKEY ON
O
Key power supply control signal output Pin rj (KEY ACK) active: “L” output
76
NC
—
Not used in this set. (Open)
77
RESET
I
Reset signal input
78
NC
—
Not used in this set. (Open)
79
X1A
—
Oscillator connect pin (32.768 kHz)
80
X0A
—
Oscillator connect pin (32.768 kHz)
81
VSS
—
Ground pin
82
X0
—
Oscillator connect pin (18.432 MHz)
83
X1
—
Oscillator connect pin (18.432 MHz)
84
VCC+3.3
—
Power supply pin (+3.3 V)
85 to 88
NC
—
Not used in this set. (Open)
89
Z MUTE
I
Mechanism deck mute zero closs detect signal input
90
AUX SEL
I
AUX select signal input (Fixed at “L”.)
91
DEMO SEL
O
DEMO select signal output (Fixed at “H”.)
92, 93
NC
—
Not used in this set. (Open)
94
CD ON
I
Servo power supply control request signal input from CD mechanism
95
CDM ON
I
CD mechanism power supply control request signal input from CD mechanism
96
NC
—
Not used in this set. (Open)
97
EJECT OK
O
Front panel open information signal output to CD mechanism
98 to 100
NC
—
Not used in this set. (Open)
34
CDX-F50M
SECTION 4
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
4-1. MAIN SECTION
Ref. No.
Part No.
Description
Remark
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Les composants identifiés par une
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
• Accessories are given in the last of this
parts list.
R
R
1
X-3384-273-3 LOCK ASSY
2
1-792-173-11 CABLE, FLAT (FFC) 12P
3
3-246-030-02 BUTTON (EJECT)
4
3-261-903-11 SCREW (+BTT M2X5)
5
X-3384-270-1 PANEL ASSY (CD), SUB
6
X-3384-271-3 GEAR ASSY
7
3-713-786-51 SCREW +P 2X3
8
A-1101-261-A MAIN BOARD, COMPLETE
* 9
3-246-006-31 COVER
10
3-922-535-11 SCREW (+BTT)
11
1-776-207-72 CORD (WITH CONNECTOR) (POWER)
12
2-548-679-01 PROTECTOR, SHEET
F900
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TUX601 A-3220-961-A TUNER UNIT (TUX-032)
#1
#1
7-685-792-09 SCREW +PTT 2.6X6 (S)
#2
7-685-793-09 SCREW +PTT 2.6X8 (S)
F900
not supplied
not supplied
not supplied
not supplied
(RELAY board)
(RELAY board)
TUX601
not supplied
#1
#1
#1
#2
#1
#1
MG-611TA-186//K
A
A
B
B
1
2
4
5
6
7
8
4
4
3
10
11
12
9
35
CDX-F50M
4-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
X-2024-954-1 KIT (SVX) ASSY, BUTTON
52
X-2048-711-1 KNOB VOL (SVX) ASSY
53
X-2048-710-1 PANEL ASSY (SVX), FRONT
54
1-780-097-11 CONDUCTIVE BOARD, CONNECTION
55
X-3384-501-2 PLATE SUB ASSY (N), LIGHT GUIDE
56
X-2048-712-1 PANEL ASSY (SVX), FRONT BACK
57
X-3378-390-3 CASE (PANEL) ASSY (for FRONT PANEL)
58
A-1101-263-A OVERALL ASSY
LCD901 1-805-767-11 DISPLAY PANEL, LIQUID CRYSTAL
#3
#3
2-584-729-01 SCREW +P 2X10 TYPE2 NON-SLIT
51
52
53
not supplied
not supplied
(DISPLAY board)
(DISPLAY board)
LCD901
#3
#3
not
supplied
supplied
not
supplied
supplied
not
supplied
supplied
54
55
56
58
57
not supplied
36
CDX-F50M
4-3. CD MECHANISM SECTION (1)
(MG-611TA-186//K)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
A-3372-455-A CHASSIS (T) SUB ASSY
102
3-253-729-01 SPRING (LTR), TENSION COIL
103
3-253-746-14 SPRING (DAMPER), COMPRESSION
104
3-253-746-03 SPRING (DAMPER), COMPRESSION
105
2-345-767-01 SPRING (KF60), TENSION
106
3-253-748-01 DAMPER (S)
107
3-352-758-31 SCREW (M1.7X2.5), TOOTHED LOCK
108
A-1075-784-A SERVO BOARD, COMPLETE
#4
7-627-552-87 SCREW, PRECISION +P 1.7X2.2
not supplied
(SENSOR board)
(SENSOR board)
not supplied
not supplied
not supplied
not supplied
#4
101
102
103
104
105
106
107
108
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