4-4
BKPF-L752
IC
TL082CPS-E20 (TI)
TL082M (RAYTHEON)
PCM1716E-BT2 (BURR-BROWN)
EPM7032SLC44-10(05) (ALTERA)
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
6
5
4
3
2
1
44
43
42
41
40
18
19
20
21
22
23
24
25
26
27
28
PROGRAMMABLE LOGIC DEVICE
—TOP VIEW—
1
2
3
4
5
6
7
8
9
10
11
I
I
—
I/O
I/O
I/O
I/O
I/O
I/O
—
—
INPUT/
GCLR
INPUT/
OE2
V
CC
I/O
I/O
I/O
I/O (TDI)
I/O
I/O
GND
V
CC
12
13
14
15
16
17
18
19
20
21
22
I/O
I/O
I/O
—
I/O
I/O
I/O
I/O
I/O
I/O
—
I/O
I/O (TMS)
I/O
V
CC
I/O
I/O
I/O
I/O
I/O
I/O
GND
23
24
25
26
27
28
29
30
31
32
33
—
I/O
I/O
I/O
I/O
I/O
I/O
—
I/O
I/O
I/O
V
CC
I/O
I/O
I/O
I/O
I/O
I/O
GND
I/O
I/O (TCK)
I/O
34
35
36
37
38
39
40
41
42
43
44
I/O
—
I/O
I/O
I/O
I/O
I/O
I/O
—
I
I
I/O
V
CC
I/O
I/O
I/O (TDO)
I/O
I/O
I/O
GND
INPUT/GCLK1
INPUT/
OE1
PIN
NO.
I/O
SIGNAL
PIN
NO.
I/O
SIGNAL
PIN
NO.
I/O
SIGNAL
PIN
NO.
I/O
SIGNAL
NJM2267M (JRC)
NJM2267M(TE2)
1
2
3
4
8
7
6
5
V
CC
V
IN
2
V
SAG
2
V
OUT
2
GND
V
IN
1
V
SAG
1
V
OUT
1
6 dB
AMP
1
V
IN
1
CLAMP
75
Z
DRIVER
4
V
OUT
1
3
V
SAG
1
6 dB
AMP
8
V
IN
2
CLAMP
75
Z
DRIVER
5
V
OUT
2
6
V
SAG
2
6 dB VIDEO AMPLIFIER
—TOP VIEW—
1
2
3
4
8
7
6
5
V
EE
V
CC
_ +
+ _
DUAL OPERATIONAL AMPLIFIERS
(DUAL-SUPPLY TYPE)
—TOP VIEW—
*
ABOVE DIAGRAM SHOWS CONDITIONS BEFORE PROGRAMMING
GCLK1
GCLR
OE1
OE2
43
1
44
2
4 - 9,
12 - 14,
16 - 21
PIA
16
16
16
16
16
16
16
16
24 - 29,
31 - 34,
36 - 41
I/O
CONTROL
BLOCK
MACROCELL
(1 - 16)
I/O
CONTROL
BLOCK
MACROCELL
(17 - 32)
I/O
I/O
CONT
(3)
GND
(2)
V
IN
(1)
R2
R2
R1
R1
4.3K
V
OUT
V
IN
CONT
GND
1
3
2
V
REF
V
IN
= 3.5V to 36V
V
OUT
= 1.5V to 33V
R2
4.3
V
OUT
=V
REF
(1+ ) = 1.26x (1+ ) (V)
( R1 = 4.3K , V
REF
= 1.26V)
ADJUSTABLE VOLTAGE REGULATOR
M5237M-TP1
M5237ML (MITSUBISHI)
INPUTS
BCKIN
CS
/IWO
DIN
LRCIN
MC/DM1
MD/DM0
ML/I
2
S
MODE
MUTE
RST
XTI
OUTPUTS
CLKO
EXTL
EXTR
V
OUT
L
V
OUT
R
XTO
ZERO
OTHER
NC
: BIT CLOCK
: CHIP SELECT/
INPUT FORMAT SELECTION
: SERIAL AUDIO DATA
: LEFT AND RIGHT CLOCK
: MODE CONTROL, BCK/
DE-EMPHASIS SELECTION 2
: MODE CONTROL, DATA/
DE-EMPHASIS SELECTION 1
: MODE CONTROL, WDCK/
INPUT FORMAT SELECTION
: MODE CONTROL SELECT
: MUTE CONTROL
: RESET
: OSCILLATOR
: SYSTEM CLOCK
: COMMON PIN OF
ANALOG OUTPUT AMPLIFIER
: COMMON PIN OF
ANALOG OUTPUT AMPLIFIER
: ANALOG VOLTAGE (L-CH)
: ANALOG VOLTAGE (R-CH)
: OSCILLATOR
: ZERO DATA FLAG
: NO CONNECTION
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
LRCIN
IN
DIN
IN
BCKIN
IN
CLKO
OUT
XTI
IN
XTO
OUT
GND
V
CC
V
CC
GND
EXTR
OUT
NC
V
OUT
R
OUT
GND
ML/I
2
S
IN
MC/DM1
IN
MD/DM0
IN
MUTE
IN
MODE
IN
CS
/IWO
IN
RST
IN
ZERO
OUT
V
CC
GND
EXTL
OUT
NC
V
OUT
L
OUT
V
CC
24-BIT AUDIO DA CONVERTER
—TOP VIEW—
BCKIN
LRCIN
DIN
3
1
2
ML/I
2
S
MC/DM1
MD/DM0
CS
/IWO
MODE
MUTE
RST
28
27
26
23
24
25
22
SCK
OPEN DRAIN
V
OUT
L
EXTL
V
OUT
R
EXTR
ZERO
16
18
13
11
CLKO
XTO
XTI
4
6
5
21
8
x
OVERSAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
SERIAL
INPUT
I/F
ENHANCED
MULTI-LEVEL
DELTA-SIGMA
MODULATOR
LOW-PASS
FILTER
DAC
MODE
CONTROL
I/F
CRYSTAL/OSC
BPZ-CONT.
DAC
LOW-PASS
FILTER
Summary of Contents for BKPF-L752
Page 1: ...AUDIO D A CONVERTER BOARD BKPF L752 MAINTENANCE MANUAL 1st Edition Serial No 10001 and Higher ...
Page 4: ...2 E BKPF L752 6 Schematic Diagrams CN 1858 1859 6 1 DAC 38 6 2 7 Board Layout DAC 38 7 1 ...
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