Sony NAS-S55HDE / NAS-SC55PKE / SS-S55HDE Service Manual ▷ View online
NAS-S55HDE/SS-S55HDE
61
/OTW 2
GVDD_B 1
PROTECTION
LOGIC
GATE
DRIVE
GVDD_A
36
BST_A
35
PVDD_A
34
OUT_A
33
GND
32
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
/SD 3
PWM_A 4
PWM_B 6
/RESET_AB 5
/RESET_CD 15
PWM_C 14
M1 13
M2 12
GND 11
GND 8
GND 9
GND 9
VREG 10
OC_ZDJ 7
PROTECTION
&
RESET LOGIC
OLP
OTP
OTP
CB3C
TIMING
CONTROL
STUCK
DETECT
STUCK
DETECT
STUCK
DETECT
REGULATOR
STUCK
DETECT
/HIZ_LS
/OCH
/OCL
/RESET
/HIZ_HS
/UVP
PROTECTION
LOGIC
GVDD_C
PWM_D 16
VDD 17
18
GATE
DRIVE
BST_C
27
PVDD_C
26
OUT_C
25
GND
24
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
TIMING
CONTROL
/HIZ_LS
/OCH
/OCL
/RESET
/HIZ_HS
/UVP
PROTECTION
LOGIC
GATE
DRIVE
BST_B
28
PVDD_B
29
OUT_B
30
GND
31
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
TIMING
CONTROL
TIMING
CONTROL
/HIZ_LS
/OCH
/OCL
/RESET
/HIZ_HS
/UVP
PROTECTION
LOGIC
GATE
DRIVE
BST_D
20
GVDD_D
19
PVDD_D
21
OUT_D
22
GND
23
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
TIMING
CONTROL
TIMING
CONTROL
/HIZ_LS
/OCH
/OCL
/RESET
/HIZ_HS
/UVP
PROGRAMMABLE
CURRENT SENSE
CURRENT SENSE
TEMPERATURE
WARNING/ERROR
2
4
/HIZ_HS
4
/HIZ_LS
4
/OCH
4
/OCL
GVDD_D
GVDD_C
GVDD_B
GVDD_A
VREG
4
/RESET
VREG
UNDER
VOLTAGE
PROTECTION
POWER-UP
RESET
/UVP
GVDD_A
GVDD_D
GVDD_B
GVDD_C
VREG
IC704 CXD9845AM
NAS-S55HDE/SS-S55HDE
62
– DAB PS Board –
IC401 TK11133CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
IC402 MM3291CNRE
VDD 1
GND 2
CE 3
NC
4
REGULATOR
VOUT
5
– LCD Board –
IC2503 R1114N251B-TR-FA
IC2504, 2508, 2509 MM3143CNRE
1
2
VDD
GND
CE
REGULATOR
CURRENT
LIMIT
3
VOUT
5
NC
4
5
4
1
REGULATOR
CURRENT
LIMIT
VDD
3
BIAS
CE
2
GND
VOUT
NC
6
CLR
7
PR
8
VCC
5
Q
R
S
Q
3
Q
2
D
4
GND
1
CK
Q
D
C
1
SDA
2
SCL
5 A2
3
O.S.
4
GND
6 A1
7 A0
8 VDD
TEMPERATURE
SENSOR
9-BIT
DELTA-SIGMA
A/D CONVERTER
I2C
INTERFACE
TEMPERATURE
DETECTION
FUNCTION
CIRCUIT
POINTER
REGISTER
TOS
REGISTER
CONFIGURATION
REGISTER
THYST
REGISTER
IC2601 MM3286EFBE
IC2507 TC7W74FU
NAS-S55HDE/SS-S55HDE
63
• IC Pin Function Description
MOTHER BOARD IC501 R5F3640DDFA (SYSTEM CONTROLLER)
MOTHER BOARD IC501 R5F3640DDFA (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1, 2
SPEC_IN1, SPEC_IN2
I
Destination setting terminal
3 to 5
LED_STBY0 to
LED_STBY2
O
LED drive signal output terminal for standby lamp LED (red) "H": LED on
6
TUNER/DAB
O
Tuner (FM/AM)/DAB changeover signal output terminal "L": tuner (FM/AM), "H": DAB
7
AUX7
O
Not used
8
BYTE
I
External data bus width changeover signal input terminal Fixed at "L" in this set
9
WRT_CN
I
Processor mode switch terminal
10
XCIN
I
Not used
11
XCOUT
O
Not used
12
XRST
I
Reset signal input from the real time clock "L": reset
13
XOUT
O
System clock (16MHz) output terminal
14
VSS
-
Ground terminal
15
XIN
I
System clock input terminal (16MHz)
16
VCC
-
Power supply terminal (+3.3V)
17
NMI
I
Not used
18
SIRCS
I
SIRCS signal input from the remote control receiver
19
KEY_INT
I
Key interruption processing start signal input terminal
20
RDS_CLK
I
RDS serial data transfer clock signal input terminal
21
RDS_DATA
I
RDS serial data input terminal
22
TU_CLK
O
Serial data transfer clock signal output to the tuner (FM/AM)
23
TU_DI
I
Serial data input from the tuner (FM/AM)
24
TU_DO
O
Serial data output to the tuner (FM/AM)
25
TU_CE
O
Chip enable signal output to the tuner (FM/AM)
26
LED_ILLUMI
O
LED drive signal output terminal for illumination LED "H": LED on
27
USB/LCD EMERG
O
Not used
28
DDCEMERG
O
Not used
29
I2C_CLK
O
I2C serial clock signal output to the real time clock, temperature sensor and LCD controller
30
I2C_DATA
I/O
Two-way I2C serial data bus with the real time clock, temperature sensor and LCD controller
31
UART_OUT
O
Serial data output to the CPU
32
UART_IN
I
Serial data input from the CPU
33
DAB_1.2V
O
Power supply on/off control signal output terminal for DAB tuner module (+1.2V) (UK model)
34
DAB_3.3V
O
Power supply on/off control signal output terminal for DAB tuner module (+3.3V) (UK model)
35
DAB_TXD
O
Serial data output terminal for DAB tuner module (UK model)
36
DAB_RXD
I
Serial data input terminal for the DAB tuner module (UK model)
37
S-MASTER_INIT
O
Reset signal output to the stream processor "L": reset
38
S-MASTER_PG_MUTE
O
PG muting on/off control signal output to the stream processor "L": muting on
39
S-MASTER_SOFT_
MUTE
O
Soft muting on/off control signal output to the stream processor "L": muting on
40
S-MASTER_RST
O
Reset signal output to the digital power amplifi er "L": reset
41
WRT_EPM
I
Not used
42
S-MASTER_NSP_
MUTE
O
NSP muting on/off control signal output to the stream processor "L": muting on
43
S-MASTER_LAT
O
Serial data latch pulse signal output to the stream processor
44
S-MASTER_SHIFT
O
Clock signal output to the stream processor
45
S-MASTER_DATA
O
Serial data output to the stream processor
46
WRT_CE
I
Not used
47
S-MASTER_SD
I
Shut down state input from the digital power amplifi er "L": shut down
48, 49
MOTHER_PA5,
MOTHER_PA0
O
Special mode setting signal output to the CPU
50
STATUS
I
Status signal input from the CPU
51
XRESUME
O
Request signal output to the CPU
52
XPOR (COUGAR)
O
Reset signal output to the CPU and fl ash memory "L": reset
53
LCD_CNT_POW
O
Power supply on/off control signal output terminal for LCD section "H": power on
54, 55
LCD_BL1, LCD_BL2
O
Power supply on/off control signal output terminal for LCD backlight "H": power on
56
AU_CE
O
Chip select signal output to the input selector
57
AU_CLK
O
Clock signal output to the input selector
58
AU_DO
O
Serial data output to the input selector
59
XPROTECT
I
Not used
NAS-S55HDE/SS-S55HDE
64
Pin No.
Pin Name
I/O
Description
60
AMP_STBY
O
Not used
61
HP_MUTE
O
Headphone muting on/off control signal output terminal "L": muting on
62
VCC
-
Power supply terminal (+3.3V)
63
HP_IN
I
Headphone detection signal input terminal "H": headphone has been inserted
64
VSS
-
Ground terminal
65
AU_RST
O
Not used
66
DAC_MUTE
I
Not used
67
LINEOUT_MUTE
O
External audio output muting on/off control signal output terminal Not used
68
ENC_A/SEL_A
I
Jog dial pulse input from the rotary encoder (for VOLUME) (A phase input)
69
ENC_B/SEL_B
I
Jog dial pulse input from the rotary encoder (for VOLUME) (B phase input)
70
POWER_ON
O
Main power supply on/off control signal output terminal "H": power on
71
STBY_OFF
O
Not used
72
AU-POWER
O
Not used
73
EMERGENCY
I
Main power supply abnormal detection signal input terminal "L": abnormal
74
RTC_INT
I
Interrupt signal input from the real time clock
75
AU_EMERG
I
Audio power supply abnormal detection signal input terminal "L": abnormal
76
DETECT
I
DMPORT detection signal input terminal
77
TXD6
O
Serial data output to the DMPORT connector
78
RXD6
I
Serial data input from the DMPORT connector
79
LED_TIMER
O
LED drive signal output terminal for timer lamp LED "H": LED on
80
LED_PON
O
LED drive signal output terminal for power on lamp LED (green) "H": LED on
81
LED_ANY
O
LED drive signal output terminal for PARTY switch lamp LED "H": LED on
82
FAN_ON
O
Fan motor on/off control signal output terminal "H": motor on
83
KEY_A3
I
Front and top panel key input terminal (A/D input)
84
KEY_A2
I
Front panel key input terminal (A/D input)
85, 86
KEY_A1, KEY_A0
I
Top panel key input terminal (A/D input)
87
AC_CUT
I
AC off detection signal input terminal
88
AUX1
I
Not used
89
MOTHER-5V
O
Not used
90
MD_MEDIA
I
Not used
91
MD_EXIN1
O
Not used
92
MD_XPDN_OK
I
Not used
93
MD_PDN
O
Not used
94
MD_XEJECT
O
Not used
95
MD_TOC
I
Not used
96
AVSS
-
Ground terminal
97
MD_RST
O
Not used
98
VREF
I
Reference voltage (+3.3V) input terminal
99
AVCC
-
Power supply terminal (+3.3V)
100
LED_SERVER
O
LED drive signal output terminal for server lamp LED "H": LED on
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