Sony STR-DA4400ES, Service Manual

Page: 118 / 206

STR-DA4400ES
STR-DA4400ES
118 118
• IC Block Diagrams
– MAIN Board –
IC1499 MAX232DR
IC2090 TC9274CNG-016
C1+
V+
VCC 1
2
16
GND 15
T1 OUT 14
R1 IN 13
R1 OUT 12
T1 IN 11
T2 IN 10
R2 OUT 9
C1
−
C2+
3
4
C2
−
V
−
5
6
T2 OUT
R2 IN
7
8
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
IC2390 TC9273CFG-012 (EL) IC2494 SI-3011ZD-TL
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
1
VC
2
VIN
3
GND
4
VOUT
5
ADJ
OCP
–
+ +
–
+
–
– DIGITAL Board –
IC2207 TC74HC151AF (EL)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
D3 D2
D1
D0
Y
W
S C
D4
D5
D6
D7
A
B
D3
D2
D1
D0
Y
XY
OE
GND
V
CC
D4
D5
D6
D7
A
B
C
IC2208 LC89057W-VF4A-E
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
DI
39
CE
DO
RERR
SLRCK
SDIN
RXOUT
RX0
RX1
RX2
RX3
6 DGND
7 DVDD
11 DVDD
12 DGND
TMCK/PIO
RX4
RX5/V1
RX6/U1
TLRCK/PIO2
RBCK
18
DGND
19
DVDD
SBCK
RDA
TA
RLRCK
DVDD
31 DGND
INT
DGND
DVDD
XMCK
XOUT
XIN
EMPHA/UO
AUDIO/VO
CKST
RMCK
TBCK/PIO1
LPF
AV
D
D
AGND
TDA
TA/PIO3
CL XMODE
42
DGND
43
DVDD TXO/PIOEN
MICROCONTROLLER
INTERFACE
DATA
SELECTOR
CLOCK
SELECTOR
INPUT
SELECTOR
DATA
DEMODULATOR
&
LOCK DETECT
MODULATOR
&
PARALLEL PORT
PLL
1/N
C bit,
U bit
IC2210 SN74HC595ANS
1
2 3 4 5 6 7 8
9 10 16 15 14 13 12 11
SHIFT REGISTER
LATCH
PARALLEL DATA
OUTPUT
GND
VCC
LA
TCH
CLOCK PARALLEL
DA
TA
OUTPUT SERIAL
DA
TA
INPUT OUTPUT ENABLE SHIFT CLOCK SERIAL
DA
TA
OUTPUT RESET
QB QC QD
QE QF
QG QH
SQH
A
QA
IC2211, 2216 TC74VHC393FT (EL)
14 13 12 11 10 9 8
1 2 3 4 5 6 7
Q
A
Q
B
Q
C
Q
D
A
CLEAR
VCC
Q
A
Q
B
Q
C
Q
D
A
CLEAR
GND