Sony HT-DDW670 (serv.man2) Service Manual ▷ View online
29
STR-K670P
–
Placa PRINCIPAL
–
IC501,601,701 uPC2581V-S
PROTECTOR
DRIVE
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
MUTE
+VOUT1
–VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
–VOUT2
+VOUT2
VCC1
VCC2
VEE
DRIVE
IC1502 IS61LV6416-10TLT
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
64K x 16
MEMORY
ARRAY
SENSE AMP
&
WRITE
PRIVER
HIGH
BYTE
BYTE
I/O
BUFFER
LOW
BYTE
I/O
BUFFER
CHIP ENABLE
BUFFER
WRITE ENABLE
BUFFER
OUTPUT ENABLE
BUFFER
ROW/COLUMN
DECODER
BYTE ENABLE
BUFFER
1
A3
A2
A1
A0
CS
I/O 0
I/O 1
I/O 2
I/O 3
VDD
VSS
I/O 4
I/O 5
I/O 6
I/O 7
WE
A15
A14
A13
A12
NC
A4
A5
A6
A7
OE
BHE
BLE
I/O 15
I/O 14
I/O 13
I/O 12
VSS
VDD
I/O 11
I/O 10
I/O 9
I/O 8
NC
A8
A9
A10
A11
NC
30
STR-K670P
–
Placa DISPLAY
–
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1A
1B
1Y
2A
2B
2Y
GND
VCC
4B
4A
4Y
3B
3A
3Y
IC101 TC74ACT08P
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
31
STR-K670P
•
Descrição do funções dos pinos de IC
Placa DIGITAL
IC1101 MB90488BPF-G-137E1 (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
PCM1800RST
O
IC reset signal output to ADC
10
PCM1608RST
O
IC reset signal output to DAC
11
VSS
—
Ground terminal
12
PCM1608ML
O
Latch signal output to DAC
13
PCM1608MC
O
Clock signal output to DAC
14
PCM1608MDI
O
IC data output to DAC
15
PCM1608MDO
I
IC data input to DAC
16
T_CLK
O
Tuner clock signal output terminal
17
T_DI
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
DLY_B PASS
—
Connected to ground terminal
22
DIR/AD
—
Connected to ground terminal
23
VCC5
—
Power supply
24
SYS_MUTE
O
Muting and error signal output
25
ANA/DIG
O
Analog signal or digital signal output terminal
26
UPCON_RST
—
Not used
27
FLASH2/VOL_CL
O
Volume IC clock signal output terminal
28
FLASH1/VOL_DA
O
Volume IC data and latch signal output terminal
29
SDA
I
EEPROM data signal input terminal
30
SCL
O
EEPROM clock signal output terminal
31
ENC_A
—
Short to ground terminal
32
ENC_B
—
Short to ground terminal
33
UPCON
—
Not used
34
UPCON_CLK
—
Not used
35
AVCC
—
Analog power supply
36
AVRH
I
Analog reference voltage input
37
AVSS
—
Analog ground terminal
38
A/D0
I
Function key push 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
44
MODEL
I
Version setting input (MODEL)
45
VOL ENCODER (A)
I
Volume signal input from rotary encoder
46
VOL ENCODER (B)
I
Volume signal input from rotary encoder
47
BLUE LED
—
Not used
32
STR-K670P
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 (Not used)
53
RDS DATA
I
RDS data signal input (Not used)
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
FL_LAT
O
FL driver latch signal output terminal
58
POWER RY
O
Power relay control signal output
59
FL_DATA
O
FL driver signal output terminal
60
FL_CLK
O
FL driver clock signal output terminal
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
NTSC_PAL_SW
—
Short to ground terminal
65
COMPO_SW2
—
Short to ground terminal
66
FRONT_RY
O
Front speaker relay control signal output
67
SP_B RY
O
Front speaker B relay control signal output
68
C/SW RY
O
Center speaker or Subwoofer control signal output
69
REAR RY
O
Rear speaker relay control signal output
70
SW_RY
—
Short to ground terminal
71
COMPO_SW1
—
Short to ground terminal
72
BRIGEABLE_RY
O
Bridgeable relay control
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
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
85
GROUPING_SW
—
Not used
86
SW1
O
Video select control signal output
87
SW2
O
Video select control signal output
88
SW3
O
Video select control signal output
89
SW4
O
Video select control signal output
90
SELECT2
—
Not used
91
SELECT1
—
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 to DIR
95
CLK
O
Clock signal output to DIR
96
CE
O
Chip enable signal output to DIR
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