DOWNLOAD Sony HT-DDW680 / HT-DDW780 / HTP-36DW / STR-K680 / STR-K780 Service Manual ↓ Size: 6.17 MB | Pages: 52 in PDF or view online for FREE

Model
HT-DDW680 HT-DDW780 HTP-36DW STR-K680 STR-K780
Pages
52
Size
6.17 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-ddw680-ht-ddw780-htp-36dw-str-k680-str-k780.pdf
Date
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Sony HT-DDW680 / HT-DDW780 / HTP-36DW / STR-K680 / STR-K780 Service Manual ▷ View online

33
STR-K680/K780
IC1401 PCM1800E/2K
SINGLE-END
DEFERENTIAL
CONVERTER
REFERENCE
SINGLE-END
DEFERENTIAL
CONVERTER
DIGITAL 
∑
MODULATOR
DIGITAL 
∑
MODULATOR
1/64
DECIMATION
FILTER
&
LOW-CUT
FILTER
CLOCK/
TIMING CONTROL RESET/
POWER CONTROL
SERIAL I/O
INTERFACE
&
MODE/FORMAT
CONTROL
LIN
V REF 1
REFCOM
V REF 2
RIN
RSTB
FMT0
BYPASS
FMT1
MODE1
MODE0
FSYNC
1
2
3
4
5
6
8
7
9
11
10
12
AGND
VCC
C PR
C NR
C PR
C NR
DGND
SYSCLK
DOUT
BCK
LRCK
VDD
24
23
22
21
20
19
17
16
15 14 13
18
IC501, IC601, IC701 STK350-530-E
1
2
3
4
5
6
STAND-BY
CIRCUIT
PRE
DRIVER
PRE
DRIVER
DRIVER
DRIVER
47k
Ω
33
Ω
33
Ω
4.7k
Ω
7
8
9
10
11 12
13
14
15
ST
ANDBY CONTROL
+VOUT1
-VOUT1
+VOUT2
VCC
VCC
VEE
-VOUT2
NF1
PHASE
PHASE
NF2
IN1
IN2
GND
– MAIN Board –
– DIGITAL Board –
Ver. 1.2
34
STR-K680/K780
– MAIN Board –
IC400 M61542FP
2
1
55
53
56
54
16
17
3
4
5
6
5 Input selector
7
8
9
10
11
12
15
13
19
18
20 21 22 23 24
25 26 27 28
5 Input selector
45
29
30
32
31
Volume
14
Input ATT
(for ADC)
Input ATT
(for ADC)
36
35
33
34
Volume
37
38
40
39
Volume
GND
SRC
SLOUT
SLC
SLVIN
SLIGO
CIGO
CVIN
CVC
COUT
SWOUT
SWC
SWVIN
SWIGO
SLOUT
RECR2
RECR1
RECL1
LIGO
LVIN
LV
C
LOUT
ROUT
RVC
RVIN
RIGO
SRIGO
SRVIN
RECL2
INL5
INR5
INL4
INR4
INL3
INR3
INL2
INR2
INL1
INR1
ADIFL
ADIFR
GND
LIN
RIN
SLIN
SRIN
CIN
SWIN
GND
GND
D
ATA
CLOCK
DVDD
A
VCC
GND
AVEE
44
43
41
42
Volume
52
51
49
50
V
olume
46
48
47
V
olume
MCU I/F
– VIDEO Board –
IC251 NJM2586AL
6dB
AMP
75
Ω
DRIVER
CONT1
CONT2
6dB
AMP
75
Ω
DRIVER
CONT1
6dB
AMP
75
Ω
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
35
STR-K680/K780
IC203 NJM2279D
1
3
V1
2
S1
13
S1
8
+5V
9
11
M
10
MON
5
VOUT
6
GND
4
S2
7
GND
14
-5V
V2
V3
12
75
Ω
4.45k
Ω
4.14k
Ω
75
Ω Driver
6.3dB
6dB Amp
20k
Ω
20k
Ω
75
Ω
4.45k
Ω
4.14k
Ω
75
Ω Driver
6.3dB
6dB Amp
20k
Ω
20k
Ω
20k
Ω
– DISPLAY Board –
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
– VIDEO Board –
36
STR-K680/K780
• IC Pin Function Description
DIGITAL BOARD  IC1101  MB90488BPF-G-174E1 (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
PCM1800_RST
O
IC reset signal output to ADC
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
VOL_CLK
O
Clock signal output to the ASP
22
VOL_DATA_LATCH
O
Data output to the ASP
23
VCC5
—
Power supply (+3.3V)
24
SYS_MUTE
O
Muting and error signal output
25
ANA/DIG
O
Analog signal or digital signal output terminal
26
NOT_USED
—
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
I/P_SEL (A)
I
Input Encoder (A) signal input
32
I/P_SEL (B)
I
Input Encoder (B) signal input
33
NOT_USED
—
Not used
34
NOT_USED
—
Not used
35
AVCC
—
Analog power supply (+3.3V)
36
AVRH
I
Analog reference voltage input (+3.3V)
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
MODEL select input
45
ADCC_ANALOGUE_IN
I
ADCC signal input
46
VACS
I
VACS control signal input
47
FL_LAT
O
FL driver latch signal output
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