Sony CDX-F5500 / CDX-F5505X Service Manual ▷ View online
17
CDX-F5500/F5505X
Pin No.
Pin Name
I/O
Pin Description
107
SENS
O
SENS signal output
108
SCLK
I
Clock signal input
109
ATSK
I/O
Input/output for anti-shock. (Fixed at L in this set)
110
WFCK
O
WFCK signal output (Not used in this set)
111
XUGF
O
XUGF signal output (Not used in this set)
112
XPCK
O
XPCK signal output (Not used in this set)
113
GFS
O
GFS signal output
114
C2PO
O
C2PO signal output
115
SCOR
O
Sub code sync signal output
116
VDD
—
Power supply pin (+2.6 V)
117
C4M
O
4.2366 MHz signal output (Not used in this set)
118
WDCK
O
Word clock signal output (Not used in this set)
119
COUT
I/O
Track count signal output/output (Not used in this set)
120
NC
—
Not used. (Open)
18
CDX-F5500/F5505X
• IC500 MN101E01KDE (SYSTEM CONTROL) (MAIN BOARD (2/2))
Pin No.
Pin Name
I/O
Pin Description
1
DAVDD
—
D/A converter power supply (+) pin (+3.3 V)
2
NCO
O
Not used. (Open)
3
DAVSS
—
D/A converter power supply (–) pin
4
UNISO
O
SONY-BUS data output
5
UNISI
I
SONY-BUS data input
6
UNICKO
O
SONY-BUS clock output
7
RETRA_SW
I
Not used. (Open)
8, 9
NCO
O
Not used. (Open)
10
VDD1
—
Power supply pin (+3.3 V)
11
MMOD
I
Not used. (Fixed at L in this set)
12
OSCOUT
O
Main clock output (27.648 MHz)
13
OSCIN
I
Main clock input (27.648 MHz)
14
VSS1
—
Ground
15
XIN
I
Sub clock input (32.768 kHz)
16
XOUT
O
Sub clock output (32.768 kHz)
17
VDD2
—
Power supply pin (+3.3 V)
18
MOD1
—
Not used. (Fixed at H in this set)
19
RESET
I
Microcomputer reset input
20
RCIN1
I
Rotary commander SHIFT key input
21
ACCIN
I
Accessory power supply detection input
22
TESTIN
I
Test mode detection input
23
TELATT
I
Telephone attenuator detection input
24
ATT
O
Audio mute control output
25
ADON
O
A/D converter power supply control output
26
NCO
O
Not used. (Open)
27
KEYACK
I
Key acknowledge detection input
28
TUATTIN
I
Mute zero cross detection input from tuner unit. (AEP, UK model)
29
CDON
I
Servo power supply control input from CD system control IC.
30
CDMON
I
Loading 6V power supply control input from CD system control IC.
31
BUIN
I
Backup power supply detection input
32 to 35
NCO
O
Not used. (Open)
36
BUSON
O
BUS ON output to CD system control IC.
37
SYSRST
O
System reset output to CD system control IC.
38 to 41
NCO
O
Not used. (Open)
42
Z_MUTE
I
Mute zero cross detection input from CD system control IC.
43 to 49
NCO
O
Not used. (Open)
50
BBESEL
I
Fixed at H in this set.
51
NCO
O
Not used. (Open)
52
AREASEL1
I
Destination area initial setting input (L: except E model, H: E model)
53
AREASEL0
I
Destination area initial setting input (L: AEP, UK model, H: CDX-F5505X)
(L: 10K, H: 9K (E model))
54 to 56
NCO
O
Not used. (Open)
57
EJECT_OK_SW
O
Not used. (Open)
58
PANELSW
I
Front panel detach detection input (L: with front panel, H: without front panel)
59
DIAG
I
Mode input from power amp IC.
60
VOLATT
O
Attenuator control output to electronic volume IC.
61
NOSESW
O
Nose detection output
62
NCO
O
Not used. (Open)
63
VSS2
—
Ground
64
TUATT
O
Tuner mute control output
65
NCO (TUON)
O
Not used. (Open)
66
NSMASK
O
Noise mask output (AEP, UK model)
19
CDX-F5500/F5505X
Pin No.
Pin Name
I/O
Pin Description
67
E2P_CKO
O
Serial clock output to EEPROM communication.
68
E2P_SIO
I/O
Serial data input/output with EEPROM communication.
69
DOORIND
O
Door indicator detection output
70
AMPSTB
O
Standby control output to power amp IC.
71
NCO
O
Not used. (Open)
72
FLS.SO/LCDSO
O
Serial data output to LCD driver IC.
73
FLS.SI/LCDCE
O
Chip enable output to LCD driver IC.
74
LCDCKO
O
Serial clock output to LCD driver IC.
75 to 78
NCO
O
Not used. (Open)
79
I2C_SIO
I/O
I2C bus serial data input/output
80
NCO
O
Not used. (Open)
81
I2C_CKO
O
I2C bus serial clock output
82
DAVN
I
RDS data block synchronization detection input (AEP, UK model)
83
SIRCS
I
SIRCS signal input
84
NCO
O
Not used. (Open)
85
BEEP
O
Beep output to power amp IC.
86 to 88
NCO
O
Not used. (Open)
89
VDD3
—
Power supply pin (+3.3 V)
90
NCO
O
Not used. (Open)
91
VSS3
—
Ground
92
QUALITY
I
Noise detection input (AEP, UK model)
93
VSM
I
S-meter voltage detection input
94, 95
KEYIN1, 0
I
Key input 1, 0
96
RCIN0
I
Rotary commander key input
97 to 99
NCO
O
Not used. (Open)
100
VREF+
—
A/D converter power supply (+) pin (+3.3 V)
20
CDX-F5500/F5505X
• Waveforms
— Servo Board —
— Servo Board —
(MODE: CD PLAY)
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM (US, Canadian, E model)
or MW (AEP, UK model)
or MW (AEP, UK model)
J
: CD
•
Abbreviation
CND : Canadian model
CND : Canadian model
for printed wiring boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
(Side A)
parts face are indicated.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
•
Abbreviation
CND : Canadian model
CND : Canadian model
IC3
whwk
(A, C)
3
0V
Approx.
150mVp-p
150mVp-p
16.9344MHz
IC3
uj
(XTAO)
0V
2
Approx. 100mVp-p
IC3
wd
(FEI)
1
Approx. 100mVp-p
IC3
wa
(TEI)
IC3
wjwl
(B, D)
4
6
2Vp-p
IC3
ra
(RFACO)
5
18.43MHz
IC4
ia
(X1)
7
1Vp-p
Approx.
150mVp-p
150mVp-p
Approx.
0.8Vp-p
0.8Vp-p
32.768kHz
IC500
qh
(XOUT)
— Main Board —
2
3
27.648MHz
IC500
qs
(OSCOUT)
2.8Vp-p
2.6Vp-p
1
8.664MHz
IC50
q;
(XTO)
2.8Vp-p
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