Sony HT-DDW880 Service Manual ▷ View online
45
STR-K880
IC100 PT6315
1
2
3
4
5
4-bit latch
24-bit output latch
12-bit shift register
Data selector
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Serial
interface
OSC
Timing generator
key scan
Display memory
24 bits x 12 words
Key data memory
(2 x 16 bits)
Command decoder
segment driver
Grid driver
Multiplexed driver
39
40
41
42
43
44
LED1
LED2
LED3
LED4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1/KS1
SEG2/KS2
SEG3/KS3
SEG4/KS4
SEG5/KS5
SEG6/KS6
SEG7/KS7
SEG8/KS8
SEG9/KS9
SEG10/KS10
SEG20/GRID9
SEG21/GRID8
SEG22/GRID7
SEG23/GRID6
SEG24/GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
SEG11/KS11
SEG12/KS12
SEG13/KS13
SEG14/KS14
SEG15/KS15
SEG16/KS16
VEE
SEG17/GRID12
SEG18/GRID11
SEG19/GRID10
46
STR-K880
– PLACA VIDEO –
IC203 NJM2595D
6dB
AMP
75Ω
DRIVER
CONT1
CONT2
6dB
AMP
75Ω
DRIVER
CONT1
6dB
AMP
75Ω
DRIVER
CONT1
CONT2
CONT2
1
2
3
4
5
6
7
8
9
10
11
22
21
20
19
18
17
16
15
14
13
12
BIAS
BIAS
BIAS
BIAS
BIAS
BIAS
BIAS
BIAS
BIAS
CH1_IN1
SW1
CH1_IN2
SW2
CH1_IN3
V+1
CH2_IN1
GND
CH2_IN2
GND
CH2_IN3
CH1_OUT
P.SAVE
CH2_OUT
V+2
CH3_OUT
V-2
CH3_IN1
V-1
CH3_IN2
GND
CH3_IN3
2
3
4
5
6
7
8
9
12
11
13
15
16
1
14
10
M.OUT
SW5
DVD
SW3
V2
SW4
NC
VEE
V3
SW2
NC
GND
V1
SW1
VI.OUT
VCC
6dB
Amp
Amp
6dB
Amp
Amp
75Ω
Driver
75Ω
Driver
6dB
Amp
Amp
75Ω
Driver
IC304 NJM2586AL
47
STR-K880
• DESCRIÇÕES DOS PINOS DE IC
PLACA DIGITAL IC1101 MB90488BPF-G-175E1 (SYSTEM CONTROL)
PLACA DIGITAL IC1101 MB90488BPF-G-175E1 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
DATAO
I
Audio data signal input from DIR
2
GP9
I
GP9 signal input from DSP
3
BST
O
BST signal output to DSP
4
HCS
O
HCS signal output to DSP
5
HACN
I
HACN signal input from DSP
6
XRST
O
Reset signal output to DSP
7
PM
O
PM signal output to DSP
8
GP12
O
GP12 signal output to DSP
9
FL_LAT
O
FL driver latch signal output
10
PCM1608_RST
O
IC reset signal output to DAC
11
VSS
—
Ground terminal
12
PCM1608_ML
O
Latch signal output to DAC
13
PCM1608_MC
O
Clock signal output to DAC
14
PCM1608_MDI
O
IC data output to DAC
15
PCM1608_MDO
I
IC data input from DAC
16
T.SERIAL_CLK
O
Tuner clock signal output terminal
17
TUNER_DATA
O
Tuner data signal output terminal
18
HDOUT
I
HDOUT signal input from DSP
19
HDIN
O
HDIN signal output to DSP
20
HCLK
O
Clock signal output to DSP
21
TUNING_A
—
Tuning data output (not used)
22
TUNING_B
—
Tuning data output (not used)
23
VCC5
—
Power supply (+3.3V)
24
FL_RESET
O
FL driver reset signal output
25
FL_CLK
O
Not used
26
XM_RST
—
FL driver clock signal output terminal (not used)
27
FLASH2
O
FLASH2 signal output (not used)
28
FLASH1
O
FLASH1 signal output (not used)
29
SDA
I
EEPROM data signal input terminal
30
SCL
O
EEPROM clock signal output terminal
31
ENC_A
I
Input Encoder (A) signal input
32
ENC_B
I
Input Encoder (B) signal input
33
UPCON
—
Not used
34
UPCON_CLK
—
Not used
35
AVCC
—
Analog power supply (+3.3V)
36
AVRH
I
Analog reference voltage input (+3.3V)
37
AVSS
—
Analog ground terminal
38
ADCC
I
ADCC signal input
39
A/D1
I
Function key push signal input
40
A/D2
I
Function key push signal input
41
VERSION
I
Version setting input terminal (DESTINATION)
42
VSS
—
Ground terminal
43
RDS_SIG
I
RDS signal detect input (connected to ground terminal) (not used)
44
MODEL
I
MODEL select input
45
TONE_EN_B
I
Tone control input from rotary encoder.
46
TONE_EN_A
I
Tone control input from rotary encoder.
47
XMDACMS
O
Not used
48
STR-K880
Pin No.
Pin Name
I/O
Description
48
STOP
I
AC off detect signal input
49
MD0
I
Operation mode setting input
50
MD1
I
Operation mode setting input
51
MD2
I
Operation mode setting input
52
RDS_CLOCK
I
RDS clock signal input (Short to ground terminal)
53
RDS_DATA
I
RDS data signal input (Short to ground terminal)
54
SIRCS
I
Data signal input from the remote control sensor
55
HP_DETECT
I
Headphone signal input
56
POWER_KEY
I
Power switch key detect signal input
57
ADCC_DSP_INT
I
ADCC DSP interrept input
58
POWER_RY
O
Power relay control signal output
59
VOL_CL
O
Volume IC clock signal output
60
VOL_DA
O
Volume IC data and latch signal output
61
PROTECTOR
I
Protector status detect signal input
62
HP_RY
O
Headphone relay control signal output
63
FUSE_DETECT
I
Fuse detect signal input
64
VOL_ENC (B)
I
Volume signal input from rotary encoder
65
VOL_ENC (A)
I
Volume signal input from rotary encoder
66
FRONT_RY
O
Front A speaker relay control signal output
67
SP_B_RY
O
Front B speaker control signal output
68
C/SB_RY
O
Center speaker relay control signal output
69
REAR_RY
O
Rear speaker control signal output
70
SW_RY
O
Sub woofer control signal output
71
ANALOG_SW_CLK
O
Analog switch IC clock signal output
72
BRIGEABLE_RY
O
Brigeable relay control output
73
DO
I
Frequency data signal input from the tuner
74
SLATCH
O
Latch signal output to the tuner
75
TUNED
I
Tuning a frequency signal input from the tuner
76
STEREO
I
Stereo tuning signal input from the tuner
77
RSTX
I
System reset input
78
MUTE
O
Muting signal output to the tuner
79
X1A
—
Not used
80
X0A
—
Ground terminal
81
VSS
—
Ground terminal
82
X0
—
Connection for a crystal resonator
83
X1
—
Connection for a crystal resonator
84
VCC3
—
Power supply (+3.3V)
85
ANALOG_SW_DATA
O
Analog switch IC data output
86
D595_DATA
O
I/O expander data output
87
D595_CLK
O
I/O expander clock output
88
D595_OE
O
I/O expander O/P enable output
89
D595_LAT
O
I/O expander latch signal output
90
SELECT 2
—
Not used
91
SELECT 1
—
Not used
92
BST_SEL
O
BST signal output terminal
93
XMODE
O
Reset signal output to DIR
94
CKSEL 1
O
CKSEL control signal output to DIR
95
CLK
O
Clock signal output to DIR
96
CE
O
Chip enable signal output to DIR
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