Sony NAS-S55HDE / NAS-SC55PKE / SS-S55HDE Service Manual ▷ View online
NAS-S55HDE/SS-S55HDE
77
Pin No.
Pin Name
I/O
Description
L9 to L12
GND
-
Ground terminal
L17
D1.2V
-
Power supply terminal (+1.2V)
L18, L19
ED2, ED3
I/O
Two-way data bus with the SD-RAM
L20
D1.2V
-
Power supply terminal (+1.2V)
M1
CLKR1
-
Not used
M2
DR1
-
Not used
M3
FSR1
-
Not used
M4
GND
-
Ground terminal
M9 to M12
GND
-
Ground terminal
M17
GND
-
Ground terminal
M18
D3.3V
-
Power supply terminal (+3.3V)
M19, M20
ED4, ED5
I/O
Two-way data bus with the SD-RAM
N1
SCL
O
I2C serial clock signal output to the EEPROM
N2
SDA
I/O
Two-way I2C serial data bus with the EEPROM
N3
ED31
I/O
Two-way data bus with the SD-RAM
N4
GND
-
Ground terminal
N17
GND
-
Ground terminal
N18 to
N20
ED6 to ED8
I/O
Two-way data bus with the SD-RAM
P1 to P3
ED28 to ED30
I/O
Two-way data bus with the SD-RAM
P4
GND
-
Ground terminal
P17
GND
-
Ground terminal
P18
ED9
I/O
Two-way data bus with the SD-RAM
P19
GND
-
Ground terminal
P20
ED10
I/O
Two-way data bus with the SD-RAM
R1
D3.3V
-
Power supply terminal (+3.3V)
R2, R3
ED27, RD26
I/O
Two-way data bus with the SD-RAM
R4
D1.2V
-
Power supply terminal (+1.2V)
R17
D1.2V
-
Power supply terminal (+1.2V)
R18
D3.3V
-
Power supply terminal (+3.3V)
R19, R20
ED11, ED12
I/O
Two-way data bus with the SD-RAM
T1, T2
ED24, ED25
I/O
Two-way data bus with the SD-RAM
T3
D3.3V
-
Power supply terminal (+3.3V)
T4
GND
-
Ground terminal
T17
GND
-
Ground terminal
T18 to T20
ED13, ED15, ED14
I/O
Two-way data bus with the SD-RAM
U1 to U3
ED22, ED21, ED23
I/O
Two-way data bus with the SD-RAM
U4
GND
-
Ground terminal
U5
D3.3V
-
Power supply terminal (+3.3V)
U6
D1.2V
-
Power supply terminal (+1.2V)
U7
D3.3V
-
Power supply terminal (+3.3V)
U8, U9
GND
-
Ground terminal
U10, U11
D1.2V
-
Power supply terminal (+1.2V)
U12
D3.3V
-
Power supply terminal (+3.3V)
U13
GND
-
Ground terminal
U14, U15
D1.2V
-
Power supply terminal (+1.2V)
U16
D3.3V
-
Power supply terminal (+3.3V)
U17
GND
-
Ground terminal
U18
EA21
-
Not used
U19
BE1#
O
DQM signal output to the SD-RAM
U20
GND
-
Ground terminal
V1, V2
ED20, ED19
I/O
Two-way data bus with the SD-RAM
V3
D1.2V
-
Power supply terminal (+1.2V)
V4
ED16
I/O
Two-way data bus with the SD-RAM
V5
BE3#
O
DQM signal output to the SD-RAM
V6
CE3#
-
Not used
V7 to V10
EA3, EA5, EA8, EA10
O
Address signal output to the SD-RAM
V11
SDCAS#
O
Column address signal output to the SD-RAM
V12
SDWE#
O
Write enable signal output to the SD-RAM
V13
D3.3V
-
Power supply terminal (+3.3V)
NAS-S55HDE/SS-S55HDE
78
Pin No.
Pin Name
I/O
Description
V14
EA12
O
Address signal output to the SD-RAM
V15
D3.3V
-
Power supply terminal (+3.3V)
V16
EA17
-
Not used
V17
CE0#
O
Chip select signal output to the SD-RAM
V18
D1.2V
-
Power supply terminal (+1.2V)
V19
D3.3V
-
Power supply terminal (+3.3V)
V20
BE0#
O
DQM signal output to the SD-RAM
W1
GND
-
Ground terminal
W2
D1.2V
-
Power supply terminal (+1.2V)
W3
D3.3V
-
Power supply terminal (+3.3V)
W4
ED17
I/O
Two-way data bus with the SD-RAM
W5
GND
-
Ground terminal
W6
CE2#
-
Not used
W7, W8
EA4, EA6
O
Address signal output to the SD-RAM
W9
D3.3V
-
Power supply terminal (+3.3V)
W10
SDRAS#
O
Row address signal output to the SD-RAM
W11
GND
-
Ground terminal
W12
D3.3V
-
Power supply terminal (+3.3V)
W13 to
W15
EA11, EA13, EA15
O
Address signal output to the SD-RAM
W16
GND
-
Ground terminal
W17
EA19
-
Not used
W18
CE1#
-
Not used
W19
D1.2V
-
Power supply terminal (+1.2V)
W20
GND
-
Ground terminal
Y1, Y2
GND
-
Ground terminal
Y3
ED18
I/O
Two-way data bus with the SD-RAM
Y4
BE2#
O
DQM signal output to the SD-RAM
Y5
ARDY
-
Not used
Y6
EA2
O
Address signal output to the SD-RAM
Y7
D3.3V
-
Power supply terminal (+3.3V)
Y8, Y9
EA7, EA9
O
Address signal output to the SD-RAM
Y10
ECLKOUT
O
Clock signal output to the SD-RAM
Y11
ECLKIN
-
Not used
Y12
CLKO2
-
Not used
Y13
GND
-
Ground terminal
Y14
EA14
O
Address signal output to the SD-RAM
Y15, Y16
EA16, EA18
-
Not used
Y17
D3.3V
-
Power supply terminal (+3.3V)
Y18
EA20
-
Not used
Y19, Y20
GND
-
Ground terminal
NAS-S55HDE/SS-S55HDE
79
MAIN BOARD IC202 CXD9841M (POWER CONTROL)
Pin No.
Pin Name
I/O
Description
1
VSENSE
I
AC line input voltage detection signal input terminal
2
F/B
I
Feedback signal input terminal for frequency modulation of oscillator
3
CT
-
External capacitor connection terminal for oscillator
4
NC
-
Not used
5
RT
-
External resistor connection terminal for oscillator
6 to 11
GND
-
Ground terminal
12
PROT
-
External capacitor connection terminal for intermittent operation timer when abnormality
detecting it
detecting it
13
NC
-
Not used
14
SS
-
External capacitor connection terminal for soft start
15
VC1
I
Power supply terminal for control circuit "L": stop, "H": operation start
16
OCP
I
Over current detection signal and DIDT protection signal input terminal
17
VC2
O
Power supply output terminal for driver
18
PGND
I
Ground terminal for lower side driver
19
NC
-
Not used
20
VG (L)
O
Lower side driver drive signal output terminal
21
VB
I
Power supply terminal for upper side driver
22
VS
I
Reference power supply input terminal for upper side driver
23
VG (H)
O
Upper side driver drive signal output terminal
24
VD
-
Terminal for drain kick start
NAS-S55HDE/SS-S55HDE
80
LCD BOARD IC2501 ML86V8208TPZA3A (LCD CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
PVDDA
-
Power supply terminal (+3.2V)
2
LPF
I
Not used
3
VREF
I
Not used
4
PGNDA
-
Ground terminal
5 to 7
NC
-
Not used
8
ADVDD
-
Power supply terminal (+3.2V)
9
ADGND
-
Ground terminal
10
NC
-
Not used
11
AVDD
-
Power supply terminal (+3.2V)
12
REFN1
O
Reference voltage output terminal (low)
13
CM1
O
Reference voltage output terminal (middle)
14
REFP1
O
Reference voltage output terminal (high)
15
AGND
-
Ground terminal
16
LPFOUT1
O
Not used
17
AVDD
-
Power supply terminal (+3.2V)
18
VIN1
I
Not used
19
AGND
-
Ground terminal
20
VIN2
I
Not used
21
VIN3
I
Y signal input from the video amplifi er
22
VIN4
I
Not used
23
AVDD
-
Power supply terminal (+3.2V)
24
LPFOUT2
O
Not used
25
AGND
-
Ground terminal
26
REFP2
O
Reference voltage output terminal (high)
27
CM2
O
Reference voltage output terminal (middle)
28
REFN2
O
Reference voltage output terminal (low)
29
AVDD
-
Power supply terminal (+3.2V)
30
VIN5
I
Not used
31
VIN6
I
Chroma signal input from the video amplifi er
32
VIN7
I
Not used
33
AGND
-
Ground terminal
34
VIN8
I
Not used
35
AVDD
-
Power supply terminal (+3.2V)
36
REFN3
O
Reference voltage output terminal (low)
37
CM3
O
Reference voltage output terminal (middle)
38
REFP3
O
Reference voltage output terminal (high)
39
AGND
-
Ground terminal
40
LPFOUT3
O
Not used
41
AVDD
-
Power supply terminal (+3.2V)
42
NC
-
Not used
43
ADVDD
-
Power supply terminal (+3.2V)
44
ADGND
-
Ground terminal
45
DVDDIO
-
Power supply terminal (+3.2V)
46 to 49
DB0 to DB3
O
RGB signal (B) output to the LCD
50
DVSSIO
-
Ground terminal
51 to 54
DB4 to DB7
O
RGB signal (B) output to the LCD
55
DVDDIO
-
Power supply terminal (+3.2V)
56 to 59
DG0 to DG3
O
RGB signal (G) output to the LCD
60
DVSSIO
-
Ground terminal
61 to 64
DG4 to DG7
O
RGB signal (G) output to the LCD
65
DVDDIO
-
Power supply terminal (+3.2V)
66
CP
O
Clock signal output to the LCD
67
DVDDC
-
Power supply terminal (+2.5V)
68
DISP
O
LCD control signal output terminal
69
DE
O
Not used
70
DVSSC
-
Ground terminal
71
LCP
O
Horizontal sync signal output to the LCD
72
FRP
O
Vertical sync signal output to the LCD
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