Sony NAS-50HDE / SS-50HDE Service Manual ▷ View online
65
NAS-50HDE/SS-50HDE
IC502 R2051S02-E2-F
1
NC
SW2
SW1
2
VSB
3
CLKOUT
4
SCL
5
SDA
6
NC
7
VDCC
8
VSS
15 VDD
16 VCC
13 OSCIN
14 NC
11 NC
12 OSCOUT
9
CIN
10 INTR
BATTERY
VOLTAGE
VOLTAGE
MONITOR
REAL
TIME
CLOCK
LEVEL
SHIFTER
VOLTAGE
DETECTOR
VOLTAGE
REFERENCE
DELAY
IC102 SN74LVC125APWR-12
IC503 LM75CIMX-3
1OE
1A
1Y
2OE
2A
2Y
GND
Vcc
4OE
4A
4Y
3OE
3A
3Y
1
2
3
4
5
6
7
8
9
10
11
12
13
14
+Vs
O.S.
SDA
SCL
A0
A1
A2
GND
I-Bit
D/A
IO-Bit
Digital
Decimation
Filter
9-Bit Delta-Sigma Analog-to-Digital Converter
T
GS
Set Point
Register
Temperature
Threshold
Set point
Comperator
Silicon
Bandgap
Temperature
Sensor
Configuration
Register
Pointer
Register
T
HYST
Set Point
Register
I2C inter
face
Reset
1
2
3
4
5
6
7
8
∑
– MAIN Board –
66
NAS-50HDE/SS-50HDE
– PS Board –
IC201 MIP2F20MS1SO
CONSTANT
CURRENT
SOURCE
2
FB
1
VDD
4
VCC
5 DRAIN
8 SOURCE
7 SOURCE
3
CL
VCL
CLAMP CIRCUIT
(ILIMIT SETTING)
IN
ICL.LOW
VCL.OUT
ILIMIT VARIABLE
CIRCUIT
+
–
+
–
+
–
7.2V
+
–
2.4V
VCC UV
VCC OVP
OVERHEAT
PROTECTION
S
R
Q
Q
RESTARTING
TRIGGER
R
S
Q
Q
+
–
27%
22%
22%
FOR LIGHT LOAD
DETECTION INTERMITTENT
OSCILLATION CONTROL
GENERATOR
CLOCK
12kHz
MAXDC
5.7V
5.0V
5.0V
VDD UV
5.7V
REGULATOR
VDD CLAMP
CIRCUIT
6.6V
+
–
ILIMIT
CORRECTION
CIRCUIT
FOR
DRAIN CURRENT
DETECT
GATE DRIVER
POWER
MOSFET
AT TURNING ON
BLANKING PULSE
GENERATION CIRCUIT
67
NAS-50HDE/SS-50HDE
• IC Pin Function Description
MOTHER BOARD IC4001 UPD720101F1-EA8 (USB2.0 I/F)
MOTHER BOARD IC4001 UPD720101F1-EA8 (USB2.0 I/F)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground terminal
2
AD23
I/O
Address input/output signal
3
AD20
I/O
Address input/output signal
4
AD18
I/O
Address input/output signal
5
CBE20
I/O
C/BE input/output signal
6
TRDY0
I/O
TRDY0 input/output signal
7
SERR0
O
SERR0 output signal
8
AD15
I/O
Address input/output signal
9
AD12
I/O
Address input/output signal
10
AD9
I/O
Address input/output signal
11
AD7
I/O
Address input/output signal
12
VSS
—
Ground terminal
13
VDD
—
Power supply (+3.3V)
14
VDD
—
Power supply (+3.3V)
15
VD3
I/O
Address input/output signal
16
VD1
I/O
Address input/output signal
17
NC
—
Not used (Fixed to “H” (+3.3V LINE))
18
AMC
—
Not used (Open)
19
XT2
—
Not used (Open)
20
SRMOD
—
Not used (Open)
21
VSS
—
Ground terminal
22
RREF
—
Reference resistor is inserted between RREF and Ground terminal.
23
VDD
—
Power supply (+3.3V)
24
AVSS
—
Ground terminal
25
VSS
—
Ground terminal
26
RSDM1
O
USB D (–) full-speed output signal
27
DP1
I/O
USB D (+) full-speed input/output signal
28
RSDM1
O
USB D (–) full-speed output signal
29
DP2
I/O
USB D (+) full-speed input/output signal
30
VSS
—
Ground terminal
31
RSDP3
O
USB D (+) full-speed output signal
32
DM4
I/O
USB D (–) full-speed input/output signal
33
RSDP4
O
Not used (Open)
34
DM5
I/O
USB D (–) full-speed input/output signal
35
RSDP5
O
USB D (+) full-speed output signal
36
VSS
—
Ground terminal
37
VDD
—
Power supply (+3.3V)
38
VDD
—
Power supply (+3.3V)
39
PPON2
O
Not used (Open)
40
OCI4
I
V BUS control voltage input
41
PPON5
O
Not used (Open)
42
PPON5
O
Clock output signal (48 MHz)
43
INTC0
O
Not used (Open)
44
AD31
I/O
Address input/output signal
45
AD28
I/O
Address input/output signal
46
AD25
I/O
Address input/output signal
47
VDD
—
Power supply (+3.3V)
68
NAS-50HDE/SS-50HDE
Pin No.
Pin Name
I/O
Description
48
VSS
—
Ground terminal
49
VSS
—
Ground terminal
50
AD22
I/O
Address input/output signal
51
AD21
I/O
Address input/output signal
52
VDD
—
Power supply (+3.3V)
53
AD16
I/O
Address input/output signal
54
DEVSEL0
I/O
DEVSELO input/output signal
55
PERR0
I/O
PERRO input/output signal
56
AD14
I/O
Address input/output signal
57
AD10
I/O
Address input/output signal
58
AD8
I/O
Address input/output signal
59
CBE00
I/O
C/BE input/output signal
60
VSS
—
Ground terminal
61
AD6
I/O
Address input/output signal
62
AD4
I/O
Address input/output signal
63
AD2
I/O
Address input/output signal
64
CRUN0
I/O
Not used (Fixed to “L”)
65
TEB
—
Not used (Open)
66
VDD
—
Power supply (+3.3V)
67
SRDTA
I/O
Not used (Open)
68
AVDD
—
Power supply (+3.3V)
69
AVSS(R)
—
Ground terminal
70
AVDD
—
Power supply (+3.3V)
71
VSS
—
Ground terminal
72
DM1
I/O
USB D (–) full-speed input/output signal
73
VDD
—
Power supply (+3.3V)
74
RSDP1
O
USB D (+) full-speed output signal
75
VDD
—
Power supply (+3.3V)
76
VDD
—
Power supply (+3.3V)
77
DP3
I/O
USB D (+) full-speed input/output signal
78
VDD
—
Power supply (+3.3V)
79
RSDM5
O
USB D (–) full-speed output signal
80
VDD
—
Power supply (+3.3V)
81
DP5
I/O
USB D (+) full-speed input/output signal
82
VSS
—
Ground terminal
83
OCI1
I
V BUS control voltage input
84
OCI2
I
V BUS control voltage input
85
OCI3
I
V BUS control voltage input
86
OCI5
I
V BUS control voltage input
87
VBBRST0
I
RESET input signal
88
INTBO
O
INT (B) output signal
89
AD30
I/O
Address input/output signal
90
AD26
I/O
Address input/output signal
91
AD24
I/O
Address input/output signal
92
IDSEL
I
IDSEL input signal
93
CBE30
I/O
C/BE input/output signal
94
AD19
I/O
Address input/output signal
95
AD17
I/O
Address input/output signal
96
FRAME0
I/O
FRAMEO input/output signal
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