Sony STR-DA1ES / STR-DB780 Service Manual ▷ View online
45
STR-DA1ES/DB780
• IC Block Diagrams
IC111
TC9274N-016 (MAIN board)
1
2
3
4
5
6
7
8
9
10
11
12
20
21
42
40
40
39
38
37
36
35
34
33
32
31
23
22
VSS
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
GND
CK
VDD
STB
DATA
18BIT
LATCH
CIRCUIT
(R-CH)
18BIT
LATCH
CIRCUIT
(L-CH)
LEVEL SHIFT & SHIFT REGISTER
13
S12
30 S12
14
S13
29 S13
15
S14
28 S14
16
S15
27 S15
17
S16
26 S16
19
S18
24 S18
18
S17
25 S17
IC151
TC9273N-004 (MAIN Board)
IC201
TC9273N-014 (VIDEO.AU Board)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VSS
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
GND
CK
VDD
STB
DATA
10BIT
LATCH
CIRCUIT
(R-CH)
10BIT
LATCH
CIRCUIT
(L-CH)
LEVEL SHIFT & SHIFT REGISTER
IC301
NJM2581D (VIDEO Board
(EXCEPT STR-DB780: AEP and UK models))
BIAS
6dB
AMP
7.5Ω
DRIVER
1
13
BIAS
REF
6dB
AMP
7.5Ω
DRIVER
5
9
2
12
4
10
6
8
7
VIN 1
VEE 1
VOUT 1
V+2
VEE 2
VIN 3
V+3
VEE 3
VOUT 3
POWER SAVE
GND
14 V+1
BIAS
6dB
AMP
7.5Ω
DRIVER
3
11
VIN 2
VOUT 2
IC303
TC74HC4053AP (VIDEO Board
(EXCEPT STR-DB780: AEP and UK models))
16
15 14
13
12
11
10
9
1
2
3
4
5
6
7
8
C
B
A
OX
IX
X-COM
Y-COM
VCC
GND
VEE
INH
OZ
Z-COM
IZ
OY
IY
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
LOGIC LEVEL CONVERTOR
46
STR-DA1ES/DB780
TRIM VOLUME
0-+24dB/
1dB STEP
TRIM VOLUME
0-+24dB/
1dB STEP
5 to 25 DECODER
&
LATCH CIRCUIT
4 to 13 DECODER
&
LATCH CIRCUIT
4 to 16 DECODER
&
LATCH CIRCUIT
24 BIT
SHIFT REGISTER
CIRCUIT
LEVEL SHIFT
CIRCUIT
5 to 25 DECODER
&
LATCH CIRCUIT
4 to 13 DECODER
&
LATCH CIRCUIT
4 to 16 DECODER
&
LATCH CIRCUIT
2
VSS
1
NC
3
TRIM
4
TRIM
5
TRIM
6
OUT
7
VRGND
9
VRIN
8
NC
11
CS1
10
NC
12
GND
13
CLK
14
NC
26 TRIM
25 TRIM
24 TRIM
23 OUT
22 VRGND
20 VRIN
21 NC
18 CS2
19 NC
17 LAT
16 DATA
15 NC
27 VDD
28 NC
MAIN
VOLUME
0- –95dB/
0.5dB STEP
MAIN
VOLUME
0- –95dB/
0.5dB STEP
IC308
NJM2595D (VIDEO Board)
IC850, 852
NJM2595D (S-VDIEO Board)
15 VOUT2
16 V+
14 SW1
75Ω
DRIVER
6dB
AMP
75Ω
DRIVER
6dB
AMP
11 VOUT3
75Ω
DRIVER
6dB
AMP
13 VIN1
12 GND
10 SW2
9 VIN2
3
VIN5
4
SW3
5
VIN4
6
SW4
7
VIN3
2
SW5
1
VOUT1
8
V–
IC401, 501, 601
CXD9275M (MAIN Board)
47
STR-DA1ES/DB780
IC1103
TC74HC153AF (EL) (DIGITAL Board)
38
37
36
23
24
1
2 3
4
5
44
8 9 10
46
17
22
21
20
30
35
25
26
27
28
29
32
33
34
16
45
13
14
15
47
40
41
48
CL
39
XSEL
CE
DI
EMPHA
AUDIO
DISEL
DOUT
DINO
DINI
DIN2
6
DGND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
XSEL
31
DGND
DO
CSFLAG
F0
F1
F2
VF
ERR9P
BPSYNC
ERROR
DATAO
DOSEL1
CKOUT
BCK
LRCK
CKSEL1
MODE0
MODE1
42
DGND
43
DVDD
XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
X’ TAL
IC403, 503, 603
µ
PC2581V-S (MAIN Board)
2
3
5
4
6
7
9
8
1
MUTE
+ VOUT1
– VOUT1
COMP1
MF1
IN1
GND
IN2
NF2
COMP2
– VOUT2
+ VOUT2
VCC1
VCC2
VEE
PROTECTOR
BIAS CIRCUIT
REG
DRIVE
PRE
DRIVE
11
10
12
13
15
14
DRIVE
PRE
DRIVE
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
2G
2C3
2C2 2C1 2C0
2Y
VCC
2C3
2C2 2C1 2C0
STROBE
2G
OUTPUT
2Y
A
SELECT
DATA INPUTS
B
B
A
A
B
B
A
A
1G
1C3 1C2
1C1 1C0
1Y
STROBE
1G
B
SELECT
1C3 1C2
1C1
1C0
OUTPUT
1Y
GND
DATA INPUTS
IC1101
LC89056W-E (DIGITAL Board)
48
STR-DA1ES/DB780
IC1501
AK4527K (DIGITAL Board)
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
12 13 14 15 16 17 18 19 20 21 22
44 43 42 41 40 39 38 37 36 35 34
FORMAT
CONVERTER
AUDIO
INTERFACE
INPUT
CIRCUIT
OUTPUT
CIRCUIT
CIRCUIT
LOOP1
LOOP0/SDA/CDTI
DIF1/SCL/CCLK
DIF0/CSN
P/SN
MCLK
DZF1
AVSS
AVDD
VREFH
VCOM
DZF2
RIN+
RIN–
LIN+
LIN–
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
DEM1
DEM0
TVDD
DVDD
DVSS
PDN
ICKS2
ICKS1
ICKS0
CAD1
CAD0
SDOS
I2C
SMUTE
BICK
LRCK
SDTI1
SDTI2
SDTI3
SDTO
DAUX
DFS
IC1600
µ
PD16315GB-3BS (DISPLAY Board)
5
OSC
OSC
DATA
SELECTOR
6
DOUT
7
DIN
8
CLK
9
STB
10
KEY1
11
KEY2
SERIAL
INTERFACE
DISPLAY MEMORY
24 BITS x 12 WORDS
24-BIT OUTPUT
LATCH
12-BIT SHIFT
REGISTER
SEGMENT
DRIVER
TIMING GENERATOR
KEY SCAN
COMMAND
DECODER
DIMMING
CIRCUIT
KEY DATA MEMORY
(2 x 16 BITS)
4-BIT LATCH
1
LED1
2
LED2
3
LED3
4
LED4
24
16
16
12
4
8
8
4
8
27 SEG14/KS14
29 SEG16/KS16
30 VEE
28 SEG15/KS15
8
31 SEG17/GRID12
33 SEG19/GRID10
32 SEG18/GRID11
23 SEG10/KS10
24 SEG11/KS11
25 SEG12/KS12
26 SEG13/KS13
22
SEG9/KS9
21
SEG8/KS8
20
SEG7/KS7
19
SEG6/KS6
18
SEG5/KS5
17
SEG4/KS4
16
SEG3/KS3
15
SEG2/KS2
14
SEG1/KS1
MULTIPLEXED
DRIVER
34
SEG20/GRID
9
35
SEG21/GRID
8
36
SEG22/GRID
7
37
SEG23/GRID
6
39
GRID4
40
GRID3
41
GRID2
42
GRID1
43
VDD
44
VSS
13
VDD
12
VSS
38
SEG24/GRID
5
GRID
DRIVER
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