DOWNLOAD Sony TA-VA777ES / VUCD-777A Service Manual ↓ Size: 12.64 MB | Pages: 78 in PDF or view online for FREE

Model
TA-VA777ES VUCD-777A
Pages
78
Size
12.64 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ta-va777es-vucd-777a.pdf
Date
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Sony TA-VA777ES / VUCD-777A Service Manual ▷ View online

TA-VA777ES
41
41
3-36. PRINTED WIRING BOARD AC POWER SUPPLY SECTION    • See page 7 for Circuit Boards Location.
1
2
A
B
C
D
E
F
G
3
4
5
6
7
• Semiconductor
Location
Ref. No.
Location
D901
F-3
D902
G-3
D903
F-3
D904
G-3
D905
E-2
D906
F-3
D907
F-3
D908
F-2
D909
F-2
IC901
F-2
Q901
E-2
Q902
E-2
TA-VA777ES
42
42
3-37. SCHEMATIC DIAGRAM POWER SUPPLY SECTION    • See page 40,41 for Printed Wiring Boards.
3.15A
250V
The components identified by mark 
0
 or dotted
line with mark 
0
 are critical for safety.
Replace only with part number specified.
43
3-38. IC BLOCK DIAGRAMS
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
SHIFT RESISTOR
LEVEL SHIFTER
LEVEL SHIFTER
LATCH CIRCUIT
LATCH CIRCUIT
ST
L-COM3
L-COM2
L-COM1
L-S8
L-S7
L-S6
L-S5
L-S4
L-S3
L-S2
L-S1
VSS
GND
DATA
R-COM3
R-COM2
R-COM1
R-S8
R-S7
R-S6
R-S5
R-S4
R-S3
R-S2
R-S1
VDD
CK
IC1101 TC9163F (AUDIO A board)
IC2306 TC9163F (E VOL board)
IC1102 TC9162AF (AUDIO A board)
IC2305 TC9162AN (E VOL 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
SHIFT RESISTOR
LEVEL SHIFTER
LEVEL SHIFTER
LATCH CIRCUIT
LATCH CIRCUIT
ST
L-COM3
L-COM4
L-COM2
L-COM1
L-S7
L-S6
L-S5
L-S4
L-S3
L-S2
L-S1
VSS
GND
DATA
R-COM4
R-COM3
R-COM2
R-COM1
R-S7
R-S6
R-S5
R-S4
R-S3
R-S2
R-S1
VDD
CK
44
1
2
3
4
5
16
15
14
13
12
6
7
8
11
10
9
CK
GND
CS1
DATA
STB
CS2
A-GND
NC
IN
OUT
VSS
A-GND
NC
IN
OUT
VDD
L-CH
DATA 
LATCH
CIRCUIT
LEVEL
SHIFT
CIRCUIT
SHIFT
REGISTER
(13bit)
STROBE
GENERATOR
CIRCUIT
LEVEL
SHIFT
CIRCUIT
R-CH
DATA 
LATCH
CIRCUIT
R-ch
L-ch
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
SHIFT REGISTER
LATCH
PARALLEL DATA
OUTPUT
GND
VCC
LATCH
CLOCK
PARALLEL DATA
OUTPUT
SERIAL DATA
INPUT
OUTPUT
ENABLE
SHIFT
CLOCK
SERIAL DATA
OUTPUT
RESET
QB
QC
QD
QE
QF
QG
QH
SQH
A
QA
IC2307, 2308 MC74HC595A (E VOL board)
IC317  TC74HC595A (DIGITAL board)
IC5203 74HC595 (S VIDEO board)
IC1201 TC9164AN (AUDIO V 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
SHIFT RESISTOR
LEVEL SHIFTER
LEVEL SHIFTER
LATCH CIRCUIT
LATCH CIRCUIT
ST
L-COM3
L-COM2
L-COM1
L-S8
L-S7
L-S6
L-S5
L-S4
L-S3
L-S2
L-S1
VSS
GND
DATA
R-COM3
R-COM2
R-COM1
R-S8
R-S7
R-S6
R-S5
R-S4
R-S3
R-S2
R-S1
VDD
CK
IC2401, 2501 TC9299P (E VOL board)
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