Sony CDX-S22 / CDX-S22S Service Manual ▷ View online
33
CDX-S22/S22S
61
EJECT_OK
I
Eject OK signal input
62
OPEN_REQ
O
Front panel open/close request signal output
63
MECON
O
CD mechanism deck power supply control signal output
64
CDON
O
CD power supply control signal output
65
XUART
I
SONY-BUS/MC-BUS change signal input (Fixed at H: SONY-BUS in this set)
66
ZMUTE
O
Z mute signal output
67
MECON_CHK
I
MECHA +6V power rising detection signal input
68
CDON_CHK
I
SERVO +3.3V power rising detection signal input
69 to 74
NC
O
Not used. (Open)
75
RSTX
I
System reset signal input
76
NC
O
Not used. (Open)
77
X1A
—
Not used. (Open)
78
X0A
—
Not used. (Connect to VSS)
79
VSS
—
Ground
80
X0
I
Main-clock signal input (12 MHz)
81
X1
O
Main-clock signal output (12 MHz)
82
VCC
—
Power supply pin (+3.3 V)
83
XWD
I
Not used. (Open)
84
XINIT3
I
Not used. (Open)
85
NC
O
Not used. (Open)
86
XSJIG
I
Not used. (Open)
87
XINIT0
I
Not used. (Open)
88
XINIT1
I
Not used. (Open)
89
XINIT2
I
Not used. (Open)
90 to 96
NC
O
Not used. (Open)
97
XDES
I
Destination setting pin
98
XLINE
I
Not used. (Open)
99, 100
NC
O
Not used. (Open)
Pin No.
Pin Name
I/O
Pin Description
34
CDX-S22/S22S
IC501 MB90487APF-G-159E1 (SYSTEM CONTROL) (MAIN BOARD (3/3))
Pin No.
Pin Name
I/O
Pin Description
1
AREASEL2
I
Destination setting pin (L: Except AEP, UK model, H: AEP, UK model)
2
AREASEL1
I
Destination setting pin (Fixed at L in this set)
3
AREASEL0
I
Destination setting pin (L: 9K, H: 10K)
4
COL_SW
I
Illumination color select signal input (Fixed at L in this set)
5
BEEP
O
Beep signal output to power amp IC.
6
NCO
O
Not used. (Open)
7
NOSE_SW
I
Front panel detach detection signal input
8
DIAG
I
Status signal input from power amp IC.
9
VOLATT
O
Attenuator control signal output to electronic volume IC.
10
NCO
O
Not used. (Open)
11
VSS
—
Ground
12
TUATT
O
Tuner mute control signal output
13
NSMASK
O
Noise mask signal output
14
NCO
O
Not used. (Open)
15
611_SEL
I
CD mechanism deck setting pin (Fixed at H: 611WA in this set)
16 to 22
NCO
O
Not used. (Open)
23
VCC5
—
Power supply pin (+3.3 V)
24
EEP_SIO
I/O
Serial data signal input/output for EEPROM communication.
25
EEP_CKO
O
Serial clock signal output for EEPROM communication.
26
AMPSTB
O
Standby signal output to power amp IC.
27
LCD_CE
O
Chip enable signal output to LCD drive IC.
28
LCD_SO
O
Serial data signal output to LCD drive IC.
29
LCD_CKO
O
Serial clock signal output to LCD drive IC.
30
RDS_ON
O
RDS ON signal output (AEP, UK model)
31, 32
NCO
O
Not used. (Open)
33
I2C_CKO
O
I2C bus serial clock signal output
34
I2C_SIO
I/O
I2C bus serial data signal input/output
35
DAVDD
—
Power supply pin for A/D converter. (+3.3 V)
36
AVRH
—
External reference power supply pin for A/D converter. (+3.3 V)
37
DAVSS
—
Ground for A/D converter.
38
QUALITY
I
Noise detection signal input (AEP, UK model)
39
VSM
I
S meter voltage detection signal input
40
KEYIN1
I
Key signal input 1
41
KEYIN0
I
Key signal input 0
42
VSS
—
Ground
43
RC_IN0
I
Rotary commander key signal input (Fixed at H in this set)
44 to 48
NCO
O
Not used. (Open)
49, 50
MD0, MD1
I
Signal input for operation mode designation. (Fixed at H in this set)
51
MD2
I
Signal input for operation mode designation. (Fixed at L in this set)
52
KEYACK
I
Key acknowledge detection signal input
53
TU_ATTIN
I
Tuner mute zero cross detection signal input (AEP, UK model)
54
BUIN
I
Backup power supply detection signal input
55
NCO
O
Not used. (Open)
56
DAVN
I
RDS data block synchronized detection signal input from RDS receiver IC.
(AEP, UK model)
57
NCO
O
Not used. (Open)
58
UNISI
I
SONY-BUS data signal input
59
UNISO
O
SONY-BUS data signal output
60
UNISCK
O
SONY-BUS clock signal output
35
CDX-S22/S22S
61 to 63
NCO
O
Not used. (Open)
64
SIRCS
I
Remote controller signal (infrared rays) input
65 to 67
NCO
O
Not used. (Open)
68
FLASH_W
I
Memory mode select signal input (Fixed at H in this set)
69, 70
NCO
O
Not used. (Open)
71
RC_IN1
I
Rotary commander shift key signal input (Fixed at H in this set)
72
ACC_IN
I
Accessory power supply detection signal input
73
TESTIN
I
Test mode detection signal input
74
TELATT
I
Telephone attenuator detection signal input (AEP, UK model)
75
NCO
O
Not used. (Open)
76
XKEYON
O
A/D converter power supply control signal output
77
RESET
I
Reset signal input
78
NCO
O
Not used. (Open)
79
XIN
I
Sub-clock signal input (32.768 kHz)
80
XOUT
O
Sub-clock signal output (32.768 kHz)
81
VSS1
—
Ground
82
OSCIN
I
Main-clock signal input (18.432 MHz)
83
OSCOUT
O
Main-clock signal output (18.432 MHz)
84
VCC3
—
Power supply pin (+3.3 V)
85
DEMOSEL
I
Demo select signal input (L: Demo OFF, H: Demo ON)
86
ATT
O
Audio mute control signal output
87
BUSON
O
Bus ON signal output
88
SYSRST
O
System reset signal output
89
EJECT_OK_SW
O
Eject OK signal output
90 to 92
NCO
O
Not used. (Open)
93
Z-MUTE
I
Z mute signal input
94 to 97
NCO
O
Not used. (Open)
98
CD_ON
I
CD mechanism deck servo power control request signal input
99
CDM_ON
I
CD mechanism deck power control request signal input
100
NCO
O
Not used. (Open)
Pin No.
Pin Name
I/O
Pin Description
36
CDX-S22/S22S
SECTION 4
EXPLODED VIEWS
1
X-2059-591-1 PANEL (HEX) ASSY, SUB
2
3-042-244-11 SCREW (T)
3
X-3383-739-1 LOCK ASSY (S)
4
2-050-124-01 SCREW +BTT 2.6X5
5
1-776-206-21 CORD (WITH CONNECTOR) (POWER)
(EXCEPT AEP,UK)
5
1-776-527-61 CORD (WITH CONNECTOR) (ISO) (POWER)
(AEP,UK)
6
2-021-848-01 SHEET (TU), GROUND
7
A-1144-597-A MAIN BOARD, COMPLETE (AEP,UK)
7
A-1144-669-A MAIN BOARD, COMPLETE (S22S:E,CH)
7
A-1157-457-A MAIN BOARD, COMPLETE (S22:E,MX)
7
A-1159-238-A MAIN BOARD, COMPLETE (EA)
FU601
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)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
NOTE:
•
The mechanical parts with no reference
number in the exploded views are not supplied.
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.
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
•
Abbreviation
CH
CH
: Chinese model
MX
: Mexican model
EA
: Saudi Arabia model
•
-XX and -X mean standardized parts, so
they may have some difference from the
original one.
they may have some difference from the
original one.
•
Color Indication of Appearance Parts
Example :
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
•
Accessories are given in the last of this parts list.
4-1.
MAIN SECTION
R
R
FU601
not supplied
not supplied
TU1
not supplied
#1
#1
#1
#2
#3
#1
MG-611WA-186//Q
A
A
B
B
1
2
3
4
5
7
6
not supplied
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.
Click on the first or last page to see other CDX-S22 / CDX-S22S service manuals if exist.