Sony MEX-DV1000 Service Manual page 40

MEX-DV1000/DV2000
• IC Block Diagrams
– SERVO Board –
IC1 BH6599KV-E2
36 35 34 33 32 31 30 29 28 27
PWM PWM PWM
DRIVER DRIVER DRIVER
CNF4 37
CNF3 38 NF AMP LOGIC NF AMP LOGIC NF AMP LOGIC
CNF2 39
CNF1 40
VREF 41 VREF
IN1 42
IN2 43
IN3 44
IN4 45
THERMAL
SHUT-DOWN
OSC
INSP 46
180 deg MATRIX
FG 47
3-PHASE 3-PHASE
CURRENT
RNF 48 PWM DRIVER PWM DRIVER PWM DRIVER
LIMITER
1 2 3 4 5 6 7 8 9
IC6 PCM1680DBQ
ZERO1 1
SYSTEM CLOCK SYSTEM ZERO
MANAGER CLOCK DETECT
MS/ADR 2
FUNCTION
MC/SCL 3
CONTROL
MD/SDA 4
INETERFACE
SCK 5
8×
DATA1 6
OVERSAMPLING
DIGITAL FILTER
BCK 7
WITH
LRCK 8
FUNCTION
CONTROLLER
VDD 9
SERIAL
DGND 10
INPUT
INETERFACE
DATA2 11
DATA3 12
DATA4 13
MSEL 14
MEX-DV1000/DV2000
26 25
STANDBY 24 STBY
PWM
SHORT
DRIVER
23 SB
BRAKE
NF AMP LOGIC
OSC
22 SPCNF
21 GND
20 VCC
FREQUENCY – 19 HWN
GENERATOR +
18 HWP
REVERSE – 17 HVN
PROTECT +
HVP
16
PHASE 15 HUN
–
SHIFT +
14 HUP
13 HB
HALL BIAS
3-PHASE
10 11 12
POWER
SUPPLY
D/A OUTPUT AMP AND
CONVERTER LOW-PASS FILTER
D/A OUTPUT AMP AND
CONVERTER LOW-PASS FILTER
D/A OUTPUT AMP AND
CONVERTER LOW-PASS FILTER
D/A OUTPUT AMP AND
ENHANCED
CONVERTER LOW-PASS FILTER
MULTILEVEL
DELTA-SIGMA
D/A OUTPUT AMP AND
MODULATOR
CONVERTER LOW-PASS FILTER
D/A OUTPUT AMP AND
CONVERTER LOW-PASS FILTER
D/A OUTPUT AMP AND
CONVERTER LOW-PASS FILTER
D/A OUTPUT AMP AND
CONVERTER LOW-PASS FILTER
IC7 PCM1803DBR
DELTA-SIGMA
VINL 1
MODULATOR
VINR 2
VREF1 3
REFERENCE
VREF2 4
DELTA-SIGMA
MODULATOR
VCC 5
POWER
SUPPLY
AGND 6
PDWN 7
BYPAS 8
TEST 9
LRCK 10
IC10 EM638165TS-6IG
VDD 1
DQ0 2
VDDQ 3
DQ1 4
DQ2 5
VSSQ 6
28 ZERO2
DQ3 7
DQ4 8
VDDQ 9
DQ5 10
DQ6 11
VSSQ 12
DQ7 13
27 VOUT1
VDD 14
LDQM 15
26 VOUT2
WE# 16
25 VCOM
CAS# 17
COMMAND
24 AGND2 DECODER
RAS# 18
23 VCC2
CS# 19
COLUMN
22 VOUT3
COUNTER
21 VOUT4
20 VOUT5
BA0 20
BA1 21
A10/AP 22
19 VOUT6
ADDRESS
A0 23
BUFFER
18 AGND1
A1 24
17 VCC1
A2 25
A3 26
16 VOUT7
15 VOUT8
VDD 27
REFRESH
COUNTER
40 40
20 MODE1
19 MODE0
18 FMT1
× 1/64, × 1/128
17 FMT0
SERIAL
DECIMATION
16 OSR
INTERFACE
FILTER
& 15 SCKI
WITH
MODE/FORMAT
14 VDD
HIGH-PASS
CONTROL
FILTER 13 DGND
12 DOUT
11 BCK
CLOCK & TIMING CONTROL
1M × 16
CELL ARRAY
(BANK #A)
COLUMN DECODER
1M × 16
CELL ARRAY
(BANK #B)
COLUMN DECODER
BUFFER
CONTROL
SIGNAL
GENERATOR
1M × 16
CELL ARRAY
CLOCK
(BANK #C)
BUFFER
COLUMN DECODER
MODE
RESISTER
1M × 16
CELL ARRAY
(BANK #D)
COLUMN DECODER
54 VSS
53 DQ15
52 VSSQ
51 DQ14
50 DQ13
49 VDDQ
48 DQ12
47 DQ11
46 VSSQ
45 DQ10
44 DQ9
43 VDDQ
42 DQ8
41 VSS
40 NC/RFU
39 UDQM
38 CLK
37 CKE
36 NC
35 A11
34 A9
33 A8
32 A7
31 A6
30 A5
29 A4
28 VSS