Sony CDX-DAB500A / CDX-DAB500U Service Manual ▷ View online
CDX-DAB500A/DAB500U
33
– KEY Board –
IC901 PT16512-LQ
IC1300 OZ539IGN-A1-0-TR
BST 1
LX 2
FLT_USB
9
VIN 3
EN_SYS 4
USBOUT 5
ISET_USB
10
RT
15
VREF
16
FB_USB 6
USBIN
2V
UVLS
7
SYNC 8
GNDA
14
VIC_USB
11
SS_SYS
13
EN_USB
12
HDR
+
OSCILLATOR
REFERENCE
GENERATOR
OVER CURRENT
PROTECTION
VS
SEL
Q
S
R
R
ADJUSTMENT
GENERATOR
CHARGE
PUMP
OVER-CURRENT
LIMIT
USB FAULT
PROTECITON
VOUT_SYS (USBIN)
FAULT PROTECTION
+
–
+
–
+
–
+
–
–
GP1/SEG1/PW1 1
GP2/SEG2/PW2 2
GP3/SEG3/PW3 3
GP2/SEG2/PW2 2
GP3/SEG3/PW3 3
GP4/SEG4 4
GP5/SEG5 5
GP6/SEG6 6
GP7/SEG7 7
GP8/SEG8 8
GP5/SEG5 5
GP6/SEG6 6
GP7/SEG7 7
GP8/SEG8 8
SEG9 9
SEG10 10
SEG11 11
SEG12 12
SEG13 13
SEG14 14
SEG15 15
SEG16 16
SEG13 13
SEG14 14
SEG15 15
SEG16 16
SEG42
42
SEG41
41
SEG40
40
SEG39
39
SEG38
38
SEG37
37
SEG48
48
SEG47
47
SEG46
46
SEG45
45
SEG44
44
SEG43
43
SEG36
36
SEG35
35
SEG34
34
SEG33
33
SEG17
17
SEG18
18
SEG19
19
SEG20
20
SEG21
21
SEG22
22
SEG23
23
SEG24
24
SEG25
25
SEG26
26
SEG27
27
SEG28
28
SEG29
29
SEG30
30
SEG31
31
SEG32
32
INHB
61
VLCD1
57
VDD
56
SEG52/OSC
60
VSS
59
VLCD2
58
SEG51
55
SEG49
49
SEG50
50
COM1
54
COM2
53
COM3
52
COM4
51
CLOCK
GENERATOR
SEGMENT DRIVER
&
LATCH
COMMON
DRIVER
CS
62
SI
64
CLK
63
SHIFT
REGISTER
ADDRESS
DETECTOR
PWM
DRIVER
IC1304 NJM2884U1-33 (TE2)
5
VIN
4
VOUT
2
GND
3
N.C.
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
CDX-DAB500A/DAB500U
34
• IC Pin Function Description
MAIN BOARD IC501 R5F3650NCDZ95FB (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
NOSE_SW
I
Front panel remove/attach detection signal input terminal “L”: front panel is attached
2
SIRCS
I
Remote control signal input from the remote control signal receiver
3 to 5
NCO
O
Not used
6
BYTE
I
External data bus width selection signal input terminal Fixed at “L” in this unit
7
CNVSS
I
Flash writing mode selection signal input terminal “H”: fl ash writing mode
8
XIN
I
Low speed clock signal input terminal (32.768 kHz)
9
XOUT
O
Low speed clock signal output terminal (32.768 kHz)
10
RESET
I
System reset signal input terminal “L”: reset
11
OSCOUT
O
High speed clock signal output terminal (7.92 MHz)
12
VSS
-
Ground terminal
13
OSCIN
I
High speed clock signal input terminal (7.92 MHz)
14
VCC1
-
Power supply terminal (+3.3V)
15
NMI
I
Non-maskable interrupt signal input terminal Fixed at “H” in this unit
16
RC_IN1
I
Rotary remote commander shift key input terminal
17
BUIN
I
Back up power supply detection signal input terminal “L” is input at low voltage
18
SYSRST
O
Reset signal output to the CD drive/USB controller “L”: reset
19
NCO
O
Not used
20
MC_RX
I
Serial data input from the CD drive/USB controller
21
NCO
O
Not used
22
MC_TX
O
Serial data output to the CD drive/USB controller
23
NCO
O
Not used
24
SYNC_OUT
O
Frequency control signal output to the DC/DC converter
25
NCO
O
Not used
26
BEEP
O
Beep sound drive signal output to the power amplifi er
27
I2C_SCL
O
IIC serial data transfer clock signal output to the power amplifi er and electrical volume
28
I2C_SDA
I/O
Two-way IIC serial data bus with the power amplifi er and electrical volume
29
FW_TXD
O
Serial data output terminal for fl ash writing
30
FW_RXD
I
Serial data input terminal for fl ash writing
31
FW_CLK
I
Serial data transfer clock signal output terminal for fl ash writing
32
FW_BUSY
O
Busy signal output terminal for fl ash writing
33
XM_TX
O
Serial data output terminal Not used
34
XM_RX
I
Serial data input terminal Not used
35
XM_POWER_EN
O
Power supply on/off control signal output terminal Not used
36
CD_ON
I
Power supply on/off control signal input from the CD drive/USB controller for CD servo
“H”: power on
“H”: power on
37
CDM_ON
I
Power supply on/off control signal input from the CD drive/USB controller for CD mechanism
deck block “H”: power on
deck block “H”: power on
38
WAKE_UP
O
System wake up signal output to the CD drive/USB controller “H”: wake up
39
EPM
O
EPM signal output terminal Fixed at “L” in this unit
40
Z_MUTE
I
Zero detection muting on/off signal input from the CD drive/USB controller “H”: muting on
41 to 43
NCO
O
Not used
44
CE
I
Chip enable signal input terminal Fixed at “H” in this unit
45
HIT2_SDA
I/O
Two-way IIC serial data bus with the tuner unit
46
HIT2_SCL
O
IIC serial data transfer clock signal output to the tuner unit
47
HIT2_RESET
O
Reset signal output to the tuner unit “L”: reset
48
EN_USB
O
VBUS power supply on/off control signal output to the DC/DC converter for “H”: power on
49
VBUS_ON
I
VBUS power supply on/off control signal input from the CD drive/USB controller
“H”: power on
“H”: power on
50
FLT_USB
I
USB over current detection signal input from the DC/DC converter “L”: over current
51
EN_SYS
O
Power supply on/off control signal output to the DC/DC converter “H”: power on
52
IPOD
O
Not used
53
EXTATT_XEN
O
Not used
54
NCO
O
Not used
55
ACC_IN
I
Accessory power detection signal input terminal “L”: accessory power on
56
ATT
O
Audio muting on/off control signal output terminal “H”: muting on
57
DIAG
I
Diagnostic signal input from the power amplifi er
58
AMPSTB
O
Standby control signal output to the power amplifi er
CDX-DAB500A/DAB500U
35
Pin No.
Pin Name
I/O
Description
59
NCO
O
Not used
60
VCC2
-
Power supply terminal (+3.3V)
61
NCO
O
Not used
62
VSS
-
Ground terminal
63 to 74
NCO
O
Not used
75
DAB_SDA
I/O
Two-way IIC serial data bus with the tuner unit
76
DAB_SCL
O
IIC serial data transfer clock signal output to the tuner unit
77
DEBUG_1
-
Not used
78
DEBUG_2
-
Not used
79, 80
RE-IN1, RE-IN0
I
Jog dial pulse input from the rotary encoder
81
ILL_IN
I
Illumination detection signal input terminal Not used
82
DAB_PORn
O
Reset signal output to the tuner unit
83
DAB_ON
O
Power supply on/off control signal output terminal for tuner section “H”: power on
84
RE_ON
O
Jog dial pulse pull-up signal output terminal
85, 86
NCO
O
Not used
87
SA_DATA
I
Spectrum analyzer data input from the audio DSP
88
SA_CLK
O
Spectrum analyzer data transfer clock signal output to the audio DSP
89
KEYACK0
I
Key acknowledge detection signal input terminal for rotary commander key
90
KEYACK1
I
Key acknowledge detection signal input terminal for front panel key
91
NCO
O
Not used
92, 93
KEYIN1, KEYIN0
I
Front panel key input terminal
94
AVSS
-
Ground terminal (for A/D converter)
95
RC_IN0
I
Rotary remote commander key input terminal
96
AVRH
I
Reference voltage (+3.3V) input terminal (for A/D converter)
97
AVDD
-
Power supply terminal (+3.3V) (for A/D converter)
98
LCD_CE
O
Chip enable signal output to the liquid crystal display driver
99
LCD_SO
O
Serial data output to the liquid crystal display driver
100
LCD_CE
O
Serial data transfer clock signal output to the liquid crystal display driver
CDX-DAB500A/DAB500U
36
MAIN BOARD IC601 M321FEFG-7NA8 (SY (CD DRIVE/USB CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
AVSS
-
Ground terminal (for A/D converter)
2
VREFH
-
Reference voltage (+3.3V) terminal (for A/D converter)
3
RESET
I
Reset signal input from the system controller “L”: reset
4
MODE
I
Operation mode setting terminal Fixed at “L” in this unit
5
OPEN_REQ
O
Not used
6
EJECT_OK
I
Not used
7
NC
O
Not used
8
WAKEUP
I
System wake up signal input from the system controller “H”: wake up
9 to 11
NC
O
Not used
12
BU_IN
I
Back up power supply detection signal input terminal “L” is input at low voltage
13
DVSS
-
Ground terminal
14
NC
O
Not used
15
CD_ZDET
I
Zero detection signal input from the audio DSP
16
DEC_XMUTE
O
Muting on/off control signal output to the audio DSP “L”: muting on
17
DEC_LRCK
O
L/R sampling clock signal output to the audio DSP
18
DEC_BCK
O
Bit clock signal output to the audio DSP
19
DEC_DATA
O
Digital audio data output to the audio DSP
20
DEC_GATE
O
Gate signal output to the audio DSP
21
DEC_REQ
I
Request signal input from the audio DSP
22
CD_SO
O
Serial data output to the audio DSP
23
CD_SI
I
Serial data input from the audio DSP
24
CD_SCLK
I
Serial data transfer clock signal output to the audio DSP
25
MEC_SELFSW
I
CD insert detection signal input from the CD mechanism deck block
26
NC
O
Not used
27
DEC_INT
I
Interrupt signal input from the audio DSP
28
CD_XRST
O
Reset signal output to the audio DSP “L”: reset
29
CD_XCCE
O
Chip enable signal output to the audio DSP
30, 31
NC
O
Not used
32
Z/Y_CHECK
O
Not used
33
DVCC3
-
Power supply terminal (+3.3V)
34
DVSS
-
Ground terminal
35
DRV_ON
O
Motor driver on/off control signal output to the CD mechanism deck block “H”: motor driver on
36
MEC_LOAD
O
Loading motor drive signal (loading direction) output to the CD mechanism deck block
“H”: motor on
“H”: motor on
37
MEC_EJECT
O
Loading motor drive signal (eject direction) output to the CD mechanism deck block
“H”: motor on
“H”: motor on
38
DEC_SSTBY
O
SRAM standby mode control signal output to the audio DSP “L”: standby mode
39
MEC_LIMIT
I
Sled limit in detection signal input from the CD mechanism deck block
40
MEC_INSW
I
Pack in detection signal input from the CD mechanism deck block
41
MEC_DSW
I
Chucking end detection signal input from the CD mechanism deck block
42, 43
NC
O
Not used
44
XLINE
I
Not used
45
XINITO
I
Not used
46
FE/SBAD_SEL
I
Not used
47
Z/Y_SEL
I
Not used
48
NC
O
Not used
49
MECON_CHECK
I
Power supply voltage detection terminal for CD mechanism deck block
50
CDON_CHECK
I
Power supply voltage detection terminal for CD servo
51
A_ATT
O
Audio muting on/off control signal output terminal “H”: muting on
52
MECON
O
Power supply on/off control signal output to the system controller for CD mechanism deck
block “H”: power on
block “H”: power on
53
CDON
O
Power supply on/off control signal output to the system controller for CD servo “H”: power on
54
Z_MUTE
O
Zero detection muting on/off signal output to the system controller “H”: muting on
55
TxD
O
Serial data output to the system controller
56
RxD
I
Serial data input from the system controller
57, 58
NC
O
Not used
59
DVCC3
-
Power supply terminal (+3.3V)
60
DVSS
-
Ground terminal
61
SWDIO
-
Not used
Click on the first or last page to see other CDX-DAB500A / CDX-DAB500U service manuals if exist.