Bhb Bkm-142Hd - Sony BKM-142HD Maintenance Manual

CXD2309Q (IC202)
1
1
(LSB) R0
4LSB'S
2 CURRENT
R1
CELLS
3
R2
R3 4
R4 5
6LSB'S
LATCHES
CURRENT
R5 6 DECODER
CELLS
7
R6
8
R7
9 DECODER
R8
CLOCK
GENERATOR
(MSB) R9 10
31
RCK
(LSB) G0 11
4LSB'S
CURRENT
G1 12
CELLS
G2 13
G3 14
2 G4 15
LATCHES 6LSB'S
CURRENT
G5 16 DECODER
CELLS
G6 17
G7 18
DECODER
G8 19
CLOCK
GENERATOR
(MSB) G9 20
32
GCK
21
(LSB) B0
4LSB'S
CURRENT
22
B1
CELLS
23
B2
24
B3
B4 25
6LSB'S
LATCHES
CURRENT
B5 26 DECODER
CELLS
B6 27
B7 28
DECODER
B8 29
CLOCK
3 GENERATOR
(MSB) B9 30
33
BCK
48
DV DD BIAS VOLTAGE CURRENT CELLS
GENERATOR (FOR FULL SCALE)
VB 35
34
DV SS
CXD2315Q (IC201)
D2 D1 D0 NC DVDD DVSS
32 31 30 29 28 27
D3 1
4
D4 2 4LSB'S
CURRENT
CELLS
3
D5
LATCHES
D6 4 DECODER
6LSB'S
CURRENT
D7 5
CELLS
DECODER
D8 6
CURRENT CELLS
(FOR FULL SCALE)
D9 7
8
NC
CLOCK BIAS VOLTAGE
GENERATOR GENERATOR
5
9 10 11 12 13
CLK NC DVDD
BLK CE
A B
TC4W53FU (IC106, 108)
43 COMMON 1
AV SS
42
RO
INH 2
LOGIC LEVEL
CONVERTOR
VEE 3
VSS 4
45
AV
SS
44
GO
TC74VHC595F (IC101, 104)
VDD 2-C 2-CR
16 15
47 AV
SS
46 BO
41
AV DD
40
AV DD
39
AV DD
1 2
1-C 1-CR 1-RD
38 VG
37
VREF
36
IREF
TL1451ACPW (IC205)
NC AVSS 16 15
26 25
V REF
IO
24
IO
23
22 VG
21 AVDD
AVDD
20
OSCILLATOR
19 VREF
18 SREF
1 2
17 IREF
BAND CAP
REFERENCE
14 15 16
DVSS
VB NC
C
BHB BHB
BKM-142HD BKM-142HD
TL431CPS-E20 (IC203, 204)
VDD
8
OUT IN
CH0
C 7
6 CH1
OUT IN
C
5 A
2-RD 2-CK 2-CR 2-Q 2-Q
14 13 12 11 10 9
3 4 5 6 7 8
1-CK 1-CK 1-Q 1-Q GND
14 13 12 11 10 9
ERROR
AMP 2
ERROR
AMP 1
3 4 5 6 7 8
7-18 7-18
D E
WEF NC A NC
8 7 6 5
1 2 3 4
K NC NC NC
F
BKM-120D/127W/129X/142HD
G H