Sony BVP-570, Maintenance Manual

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7-26
BVP-570
IC
TSC426C0A (TELEDYNE)FLAT PACKAGE
TSC426C0A-T2
TL1451ACPW-E05 (TI)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
CT
RT
+ IN 1
FEED BACK 1
DEAD TIME CONT 1
OUT 1
_ IN 1
+ IN 2
_ IN 2
V REF
OUT
SCP
FEED BACK 2
DEAD TIME CONT 2
OUT 2
GND
V
CC
RT
2 1 6
CT DT 1
3
4
5
14
13
12
+
IN 1
FB 1
FB 2
DT 2
_
–
+
–
11 15
SCP
10
OUT 2
7
OUT 1
16
V REF
2.5 V
REG
SHORT CIRCUIT
PROTECTOR
TR I
OSC
_
+
_
+
_
+
_ IN 1
+ IN 2
_ IN 2
DUAL PWM POWER CONTROLLER
—TOP VIEW—
TLC0820ACDW (TI)FLAT PACKAGE
TLC0820ACDWR
V
DD
NC
ANLG
IN
OUT
D1
OUT
D2
OUT
D3
OUT
WR
/RDY
IN/OUT
MODE
IN
1
2
3
4
5
6
7
D0
(LSB)
RD
IN 8
14
15
16
17
18
19
20
13
GND
12
11
1
2
3
4
REF +
REF _
ANLG
7
MODE
13
CS
8
RD
6
WR
/RDY
(LSB)D0
D1
D2
D3
D4
D5
D6
(MSB)D7
OFLW
OUT
OFLW
INT
D7
OUT
(MSB)
INPUT
ANLG
CS
MODE
RD
REF + , REF _
: ANALOG SIGNAL
: CHIP SELECT
: MODE
: READ
: REFERENCE VOLTAGE + , _
OUTPUT
D0 - D7
INT
OFLW
INPUT/OUTPUT
WR
/RDY
: DIGITAL SIGNAL
: INTERRUPT
: OVERFLOW
: L : WRITE/H : READY
D6
OUT
D5
OUT
D4
OUT
CS
IN
REF +
IN
REF _
IN
INT
OUT 9 12
10 11
5
14
15
16
17
18
9
C-MOS 8-BIT SEMIFLASH TYPE A/D CONVERTER
4-BIT FLASH
A/D CONVERTER
(HIGHER)
4
OUTPUT
LATCH
AND
3-STATE
BUFFER
TIMING
&
CONTROL
4-BIT FLASH
A/D CONVERTER
(LOWER)
_ 1
+ 1
REF +
REF _
ANLG
12
11
1
7
13
8
6
9
MODE
CS
RD
WR/RDY
INT
18
OFLW
4-BIT
D/A CONVERTER
17
D7(MSB)
16
D6
15
D5
14
D4
5
D3
4
D2
3
D1
2
D0(LSB) 4
4
4
TLC272CPS (TI)FLAT PACKAGE
TLC272CPS-E05
TLC27L2CPS (TI)FLAT PACKAGE
TLC27L2CPS-E05
TLC372CPS (TI)FLAT PACKAGE
TLC372CPS-E05
1
2
3
4
8
7
6
5 V
EE
V
DD
_ +
_ +
C-MOS DUAL OPERATIONAL AMPLIFIERS
(SINGLE-SUPPLY TYPE)
—TOP VIEW—
XRD7523AID-JTR (EXAR)FLAT PACKAGE
XRD7523AIK-JTR
1
2
3
4
8
7
6
5
V
DD
NC NC
GND
C-MOS HIGH SPEED DUAL DRIVER
—TOP VIEW—
1 OUT 1
OUT 2
NC
NC
GND V
DD
D1
IN
R
FB IN
V
REF IN
D7
IN
(LSB)
D6
IN
D5
IN
D2
IN
D3
IN
D4
IN
V
REF
D0
IN
(MSB)
2
3
4
5
6
7
8
15
R R R
10 K
2
1
16
11
D7
6
D2
5
D1
4
D0
2R 2R 2R 2R 2R
S-1 S-2 S-3 S-8
OUT 2
OUT 1
R
FB
16
4
5
6
7
8
9
10
11
15
16
1
2
OUT 1
OUT 2
D0
D1
D2
D3
D4
D5
D6
D7
V
REF
R
FB
15
14
13
12
11
10
9
MP7523
XRD7523 : R = 10 K
: R = 20 K
C-MOS 8-BIT D/A CONVERTER
—TOP VIEW—