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Sony BKPF-L752 Maintenance Manual page 20

Audio d/a converter board
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IC
EPM7032SLC44-10(05) (ALTERA)
PROGRAMMABLE LOGIC DEVICE
—TOP VIEW—
6
5
4
3
2
1
44 43 42 41 40
7
8
9
10
11
12
13
14
15
16
17
18 19 20 21 22 23 24 25 26 27 28
PIN
PIN
I/O
SIGNAL
I/O
SIGNAL
NO.
NO.
GCLR
1
I
INPUT/
12
I/O
OE2
2
I
INPUT/
13
I/O
I/O (TMS)
3
V
14
I/O
CC
4
I/O
I/O
15
5
I/O
I/O
16
I/O
6
I/O
I/O
17
I/O
7
I/O
I/O (TDI)
18
I/O
8
I/O
I/O
19
I/O
9
I/O
I/O
20
I/O
10
GND
21
I/O
11
V
22
CC
43
GCLK1
1
GCLR
44
OE1
2
OE2
4 - 9,
12 - 14,
16 - 21
I/O
CONTROL
MACROCELL
I/O
BLOCK
(1 - 16)
16
16
M5237M-TP1
M5237ML (MITSUBISHI)
ADJUSTABLE VOLTAGE REGULATOR
1
V
IN
GND
2
CONT
GND
V
IN
V
= 3.5V to 36V
IN
(3)
(2)
(1)
V
OUT
V
OUT
( R1 = 4.3K , V
4-4
39
38
37
36
35
34
33
32
31
30
29
PIN
PIN
I/O
SIGNAL
I/O
SIGNAL
NO.
NO.
I/O
23
V
34
I/O
I/O
CC
24
I/O
I/O
35
V
CC
I/O
25
I/O
I/O
36
I/O
I/O
V
26
I/O
I/O
37
I/O
I/O
CC
I/O
27
I/O
I/O
38
I/O
I/O (TDO)
I/O
28
I/O
I/O
39
I/O
I/O
I/O
29
I/O
I/O
40
I/O
I/O
I/O
30
GND
41
I/O
I/O
I/O
31
I/O
I/O
42
GND
I/O
32
I/O
I/O (TCK)
43
I
INPUT/GCLK1
OE1
GND
33
I/O
I/O
44
I
INPUT/
MACROCELL
CONTROL
PIA
(17 - 32)
BLOCK
16
16
16
16
16
*
ABOVE DIAGRAM SHOWS CONDITIONS BEFORE PROGRAMMING
R2
V
REF
3
V
OUT
CONT
R1
4.3K
= 1.5V to 33V
R2
R2
=V
(1+
) = 1.26x (1+
) (V)
REF
R1
4.3
= 1.26V)
REF
NJM2267M (JRC)
NJM2267M(TE2)
6 dB VIDEO AMPLIFIER
—TOP VIEW—
V
1
1
IN
V
2
GND
V
1
3
SAG
V
1
4
OUT
6 dB
1
V
1
IN
AMP
CLAMP
6 dB
8
V
2
IN
AMP
CLAMP
TL082CPS-E20 (TI)
TL082M (RAYTHEON)
DUAL OPERATIONAL AMPLIFIERS
(DUAL-SUPPLY TYPE)
—TOP VIEW—
1
V
8
CC
_ +
2
7
+ _
3
6
4
V
5
EE
24 - 29,
31 - 34,
I/O
36 - 41
I/O
16
PCM1716E-BT2 (BURR-BROWN)
24-BIT AUDIO DA CONVERTER
—TOP VIEW—
LRCIN
1
IN
DIN
2
IN
BCKIN
3
IN
CLKO
4
OUT
XTI
5
IN
XTO
6
OUT
GND
7
V
8
CC
V
9
CC
GND
10
EXTR
11
OUT
NC
12
V
R
13
OUT
OUT
GND
14
3
BCKIN
SERIAL
1
OVERSAMPLING
INPUT
LRCIN
2
DIGITAL FILTER
I/F
DIN
CONTROLLER
28
2
ML/I
S
SCK
27
MC/DM1
26
MD/DM0
MODE
23
CS
/IWO
CONTROL
CRYSTAL/OSC
24
I/F
MODE
25
MUTE
22
RST
8
V
2
IN
CC
7
6
V
2
SAG
5
V
2
OUT
4
V
1
75 Z
OUT
3
DRIVER
V
1
SAG
5
75 Z
V
2
OUT
6
DRIVER
V
2
SAG
INPUTS
BCKIN
: BIT CLOCK
28
ML/I
2
S
IN
CS
/IWO
: CHIP SELECT/
INPUT FORMAT SELECTION
27
MC/DM1
IN
DIN
: SERIAL AUDIO DATA
LRCIN
: LEFT AND RIGHT CLOCK
26
MD/DM0
IN
MC/DM1
: MODE CONTROL, BCK/
DE-EMPHASIS SELECTION 2
MUTE
25
IN
MD/DM0
: MODE CONTROL, DATA/
DE-EMPHASIS SELECTION 1
24
MODE
IN
ML/I
2
S
: MODE CONTROL, WDCK/
INPUT FORMAT SELECTION
CS
23
/IWO
IN
MODE
: MODE CONTROL SELECT
MUTE
: MUTE CONTROL
RST
22
IN
RST
: RESET
XTI
: OSCILLATOR
ZERO
21
OUT
OUTPUTS
20
V
CC
CLKO
: SYSTEM CLOCK
EXTL
: COMMON PIN OF
19
GND
ANALOG OUTPUT AMPLIFIER
EXTR
: COMMON PIN OF
18
EXTL
OUT
ANALOG OUTPUT AMPLIFIER
V
L
: ANALOG VOLTAGE (L-CH)
OUT
17
NC
V
R
: ANALOG VOLTAGE (R-CH)
OUT
XTO
: OSCILLATOR
16
V
L
OUT
OUT
ZERO
: ZERO DATA FLAG
15
V
CC
OTHER
NC
: NO CONNECTION
8x
LOW-PASS
DAC
ENHANCED
FILTER
MULTI-LEVEL
WITH
DELTA-SIGMA
FUNCTION
LOW-PASS
MODULATOR
DAC
FILTER
BPZ-CONT.
OPEN DRAIN
16
V
L
OUT
18
EXTL
13
V
R
OUT
11
EXTR
21
ZERO
4
CLKO
6
XTO
5
XTI
BKPF-L752

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