Sony BKM-142HD - Bhb Bkm-142 Hd

7-18
BKM-120D/127W/129X/142HD
7-18
2
3
4
5
ABCDEFGH
1
BHB BKM-142HDBHB BKM-142HD
CXD2309Q (IC202)
CXD2315Q (IC201)
DECODER
CLOCK
GENERATOR
LATCHES
4LSB'S
CURRENT
CELLS
CURRENT CELLS
(FOR FULL SCALE)
BIAS VOLTAGE
GENERATOR
6LSB'S
CURRENT
CELLS
BAND CAP
REFERENCE
1
2
3
4
5
6
7
8
DECODER
9
16
10
11 12
15
13
14
24
23
21
20
19
18
17
22
25
31
30 29
26
28
27
32
IO
IO
VG
AVDD
AVDD
VREF
SREF
IREF
NC
DVSS
VB
DVDDNC
CEBLK
CLK
D3
D4
D5
D6
D7
D8
D9
NC
NCDVSSDVDD
NCD0
D1D2 AVSS
TL431CPS-E20 (IC203, 204)
1
2
3
4 5
6
7
8
COMMON
INH
VEE
CH1
A
CH0
VDD
VSS
LOGIC LEVEL
CONVERTOR
OUT IN
C
OUT IN
C
TC74VHC595F (IC101, 104)
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
1-C 1-CR 1-RD 1-CK 1-CK 1-Q 1-Q GND
VDD 2-C 2-CR 2-RD 2-CK 2-CR 2-Q 2-Q
TL1451ACPW (IC205)
9
16
10
111213
14
15
V REF
OSCILLATOR
ERROR
AMP 2
VREF
SCP NON INV INPUT INV INPUT FEED BACK DEAD TIME CONTROL OUT 2 VCC
8
1
7
6
54
3
2
ERROR
AMP 1
CT
RT
NON INV
INPUT
INV INPUT
FEED
BACK
DEAD TIME
CONTROL
OUT 1
GND
TC4W53FU (IC106, 108)
8 7 6 5
1 2 3 4
WEF NC NCA
KNCNCNC
DECODER
DECODER
LATCHES
4LSB’S
CURRENT
CELLS
DECODER
DECODER
LATCHES
6LSB’S
CURRENT
CELLS
CLOCK
GENERATOR
4LSB’S
CURRENT
CELLS
6LSB’S
CURRENT
CELLS
CLOCK
GENERATOR
DECODER
DECODER
LATCHES
4LSB’S
CURRENT
CELLS
6LSB’S
CURRENT
CELLS
CLOCK
GENERATOR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
31
32
33
48
21
22
23
24
25
26
27
28
29
30
35
34
CURRENT CELLS
(FOR FULL SCALE)
BIAS VOLTAGE
GENERATOR
43
42
44
45
46
47
41
40
39
38
37
36
(LSB) R0
R1
R2
R3
R4
R5
R6
R7
R8
(MSB) R9
RCK
(LSB) G0
G1
G2
G3
G4
G5
G6
G7
G8
(MSB) G9
GCK
(LSB) B0
B1
B2
B3
B4
B5
B6
B7
B8
(MSB) B9
BCK
DV
DD
VB
DV
SS
AV SS
RO
AV
SS
GO
AV
SS
BO
AV
DD
AV DD
AV DD
VG
VREF
IREF