Sony BKM-301HD Service Manual page 43

B Board Waveforms
1 2
1.0Vp-p (H)
4 5
670mVp-p (H)
7 8
4.3Vp-p (H)
B Board IC Block Diagrams
CXD2308Q (IC106)
(LSB)R0 1
4LSB'S
CURRENT
R1 2
CELLS
R2 3
R3 4
6MBS'S
CURRENT
R4 5
CELLS
LATCHES
R5 6
DECODER
CLOCK
R6 7
GENERATOR
R7
8
R8 9 DECODER
CURRENT CELLS
(FOR FULL SCALE)
R9 10
(LSB)G0 11
4LSB'S
CURRENT
G1 12
CELLS
G2 13
G3 14
6MSB'S
CURRENT
G4 15
CELLS
LATCHES
G5 16
DECODER
CLOCK
G6 17
GENERATOR
G7
18
G8 19 DECODER
CURRENT CELLS
(FOR FULL SCALE)
G9 20
(LSB)B0
21
4LSB'S
CURRENT
B1 22
CELLS
B2 23
B3 24
6MSB'S
CURRENT
B4 25
CELLS
LATCHES
B5 26
DECODER
CLOCK
B6 27
GENERATOR
B7
28
B8 29 DECODER
CURRENT CELLS
(FOR FULL SCALE)
B9 30
BIAS VOLTAGE
GENERATOR
BLK 31
CE
32
3
710mVp-p (H) 530Vp-p (H)
6
530mVp-p (H) 650mVp-p (H)
9
4.2Vp-p (H) 3.8Vp-p (V)
64 DV
62 AV
DD
AV
63
DD
46 VGR
52 RO
53 RO
33 RCK
45 ROR
42 VRR
39 IRR
AV
58
DD
59 AV
DD
48 VGG
56 GO
57 GO
34 GCK
47 ROG
43 VRG
40 IRG
54 AV
DD
55 AV
DD
50 VGB
BO
60
61 BO
35 BCK
49 ROB
44 VRB
41 IRB
VB
37
38 AVss
51 AVss
36 DVss
CXD2315Q (IC104)
D0 NC
D2 D1 DVDD DVSS
32 31 30 29 28 27
D3 1
D4 2
D5 3
LATCHES
4
D6 DECODER
D7 5
DECODER
D8 6
CURRENT CELLS
(FOR FULL SCALE)
7
D9
NC 8
CLOCK BIAS VOLTAGE
GENERATOR
10 11 12
9
CLK BLK CE NC DVDD
EPC1064PC8 (IC101)
CLK
DCLK 2
ADDRESS
ENA
COUNTER
NRESET
ADDRESS
NCS 3
OE 4
EPROM ARRAY
GND 5 DATA
SHIFT REGISTER
NC AVSS
26 25
IO
24
23 IO
4LSB'S
CURRENT
22 VG
CELLS
21 AVDD
6LSB'S
20 AVDD
CURRENT
CELLS
19 VREF
SREF
18
17 IREF
GENERATOR
BAND CAP
REFERENCE
13 14 15 16
VB DVSS NC
8 VCC
7 VCC
DECODE
LOGIC
6 NCASO
1 DATA
8-5
8-3
B