Sony CDX-R505X Service Manual ▷ View online
41
CDX-R505X
Pin No.
Pin Name
I/O
Pin Description
53
TU ATT IN
I
Tuner mute zero cross detect signal input (Not used in this set)
54
BU IN
I
Back-up power supply detect signal input
55
NCO
O
Not used
56
DAVN
I
RDS data block synchronized detect signal input (Not used in this set)
57
NCO
O
Not used
58
UNI SI
I
SONY bus data input
59
UNI SO
O
SONY bus data output
60
UNI SCK
O
SONY bus clock output
61
NCO
O
Not used
62
NCO
O
Not used
63
NCO
O
Not used
64
SIRCS
I
Remote control signal input
65
NCO
O
Not used
66
FL RST
O
FL driver reset output
67
NCO
O
Not used
68
FLASH W
I
Memory mode select signal input
69
NCO
O
Not used
70
SYNCHRO SW
I
Synchro CD door open/close detect signal input
71
RC IN1
I
Rotary commander shift key signal input
72
ACC IN
I
Accessory power supply detect signal input
73
TEST IN
I
Test mode detect signal input
74
TEL ATT
I
Telephone attenuate detect signal input
75
ILLU IN
I
Illumination detect signal input
76
XKEY ON
O
A/D converter power supply control signal output
77
RESET
I
CPU reset input
78
NCO
O
Not used
79
XIN
—
Sub-clock input (32.768kHz)
80
XOUT
—
Sub-clock output (32.768kHz)
81
VSS1
—
Ground
82
OSC OUT
—
Main-clock output (3.68MHz)
83
OSC IN
—
Main-clock input (3.68MHz)
84
VCC3
—
Power supply pin (+3.3V)
85
DEMO SEL
I
Demo select signal input
86
ATT
O
Audio mute control signal output
87
BUS ON
O
Bus ON signal output
88
SYS RST
O
System reset output
89
EJECT OK SW
O
Eject OK signal output
90
NCO
O
Not used
91
NCO
O
Not used
92
NCO
O
Not used
93
Z-MUTE
I
Z-Mute signal input
94
NCO
O
Not used
95
NCO
O
Not used
96
NCO
O
Not used
97
NCO
O
Not used
98
CD ON
I
CD servo power control request signal input
99
CDM ON
I
CD deck power control request signal input
100
NCO
O
Not used
42
CDX-R505X
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-2025-448-1 PANEL (FL) ASSY, SUB
2
2-583-939-01 SCREW (+B 2X4)
3
X-2055-203-2 LOCK ASSY (S)
4
3-246-006-31 COVER
5
2-348-996-01 SCREW (+PTT 2.6X6), GROUND POINT
6
1-776-207-72 CORD (WITH CONNECTOR) (POWER)
7
2-345-298-01 PLATE (TU), GROUND
8
2-591-213-01 CAP
9
1-790-355-54 CORD (WITH CONNECTOR) (RCA)
(SUB OUT (MONO))
10
A-1164-420-A MAIN BOARD, COMPLETE
F901
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TU1
A-3220-961-B TUNER UNIT (TUX-032)
#1
7-685-792-09 SCREW +PTT 2.6X6 (S)
#2
7-685-790-01 SCREW +PTT 2.6X4 (S)
#3
7-685-793-09 SCREW +PTT 2.6X8 (S)
F901
not supplied
not supplied
TU1
not supplied
#1
#1
#1
#1
#2
#3
#1
MG-611TA-186//C
A
A
B
B
1
2
3
4
5
6
10
9
8
7
43
CDX-R505X
4-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
X-2108-195-1 BUTTON ASSY (S)
52
2-349-626-01 SPRING (RELEASE)
53
2-187-131-02 FILTER (IR)
54
2-187-126-04 PANEL, FRONT
55
2-651-825-21 COVER (PRESET)
56
3-250-543-41 SCREW (+B P-TITE M2)
57
1-830-258-12 CABLE, FLEXIBLE FLAT (6 CORE)
58
2-592-581-01 SPACER (ATT)
59
2-187-153-11 SPRING (S)
60
X-2108-196-1 DISPLAY (SV) ASSY
61
2-187-153-01 SPRING (S)
62
2-187-133-02 PLATE (SLOT), LIGHT GUIDE
63
2-187-154-12 SPRING (M)
64
2-187-132-02 BRACKET (DISPLAY)
65
2-187-154-02 SPRING (M)
66
2-187-162-02 PANEL (FL), FRONT BACK
67
2-187-183-01 SHEET (FL), ADHESIVE
68
1-830-260-12 CABLE, FLEXIBLE FLAT (18 CORE)
69
2-595-429-01 COVER (PWB)
70
X-2050-189-4 CASE ASSY (for FRONT PANEL)
71
A-1164-423-A PANEL COMPLETE ASSY, FRONT
72
2-590-212-01 CUSHION (BASE)
73
3-250-543-31 SCREW (+B P-TITE M2)
74
2-595-228-01 SPRING (GROUND)
75
2-595-753-01 SHEET (CU)
FL901
1-519-785-21 INDICATOR TUBE, FLUORESCENT
#4
7-685-105-19 SCREW +P 2X8 TYPE2 NON-SLIT
51
52
53
54
55
58
57
56
75
73
73
72
73
59
60
61 62
63
64
65
66
67
74
69
68
70
71
FL901
not supplied
not supplied
not supplied
not supplied
not supplied
#4
#4
not supplied
not supplied
not supplied
not supplied
not supplied
(DISPLAY KEY board)
(DISPLAY KEY board)
not supplied
(PRESET board)
(PRESET board)
not supplied
(BASE board)
(BASE board)
C
D
D
C
44
CDX-R505X
4-3. CD MECHANISM SECTION (1)
(MG-611TA-186//C)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
A-1088-624-A CHASSIS (T) SUB ASSY
102
A-1092-999-A SERVO BOARD, COMPLETE
103
2-345-865-11 SPRING (DAMPER), COMPRESSION (BLACK)
104
2-345-865-01 SPRING (DAMPER), COMPRESSION (NATURAL)
105
2-345-767-21 SPRING (KF60), TENSION
106
3-253-748-11 DAMPER (S)
107
3-352-758-31 SCREW (M1.7X2.5), TOOTHED LOCK
#5
7-627-552-87 SCREW, PRECISION +P 1.7X2.2
not supplied
(SENSOR board)
(SENSOR board)
not supplied
not supplied
not supplied
not supplied
#5
101
103
104
105
106
107
102
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