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MEX-DV80EE/DV80M/DV800/DV808
MEX-DV80EE/DV80M/DV800/DV808
30
30
20.8
μs
3.9 Vp-p
IC4 [D[ (ALRCLK)
2 V/DIV, 10
μs/DIV
IC4 [DY (ABCLK)
2 V/DIV, 100 ns/DIV
324 ns
4.6 Vp-p
IC4 [DW (AMCLK)
2 V/DIV, 20 ns/DIV
4.9 Vp-p
81.6 ns
IC4 [C (XO)
500 mV/DIV, 10 ns/DIV
37 ns
1.2 Vp-p
IC4 [
[ (DAC6 (CVBS))
(Color bar)
(Color bar)
500 mV/DIV, 20
μs/DIV
H
1.1 Vp-p
IC4 [D (RFP), [W (RFN)
(DVD play mode)
(DVD play mode)
200 mV/DIV, 200 ns/DIV
0.4 Vp-p
RB
IC503 RB (XCOUT)
2 V/DIV, 20
μs/DIV
30.8
μs
2.9 Vp-p
RT
IC503 RE (XOUT)
2 V/DIV, 100 ns/DIV
168 ns
3.6 Vp-p
RE
IC601 (SW)
10 V/DIV, 2
μs/DIV
2.8
μs
15 Vp-p
RG
IC201 (XTO)
1 V/DIV, 50 ns/DIV
115 ns
2 Vp-p
RH
IC701 (VOUT)
(Color bar)
(Color bar)
1 V/DIV, 20
μs/DIV
H
2.5 Vp-p
• Waveforms
– SERVO Board –
– MAIN Board –
• IC Block Diagrams
– SERVO Board –
IC1 BH6599KV-E2
3-PHASE
PWM DRIVER
CURRENT
LIMITER
THERMAL
SHUT-DOWN
PWM
DRIVER
3-PHASE
PWM DRIVER
3-PHASE
PWM DRIVER
PHASE
SHIFT
HUP
14
HB
13
HUN
15
PGND1
1
1
PGND12
12
W1
2
W2
3
PVCC1
1
4
PVCC12
5
V1
6
V2
7
PVCC13
8
PVCC14
9
U1
10
U2
11
RNF 48
FG 47
INSP 46
CNF1 40
VREF
VREF
41
IN1 42
IN2 43
IN2 43
IN3 44
IN4 45
CNF2 39
CNF3 38
CNF4 37
180 deg MATRIX
HALL BIAS
OSC
OSC
REVERSE
PROTECT
PROTECT
FREQUENCY
GENERATOR
GENERATOR
+
–
HVP
16
HVN
17
+
–
HWP
18
HWN
19
VCC
20
GND
21
SPCNF
22
SB
23
STBY
24
+
–
NF AMP LOGIC
VO1F
35
PVCC22
36
PGND21
30
PGND22
33
PVCC21
27
VO1R
34
PWM
DRIVER
NF AMP LOGIC
VO2F
32
VO2R
31
PWM
DRIVER
NF AMP LOGIC
VO3F
29
VO3R
28
PWM
DRIVER
SHORT
BRAKE
BRAKE
NF AMP LOGIC
STANDBY
VO4F
26
VO4R
25
IC6 PCM1780DBQ
MS 2
MC 3
SCK 5
DATA1 6
MD 4
ZERO1 1
SERIAL
CONTROL
PORT
BCK 7
LRCK 8
AUDIO
SERIAL
PORT
4x/8x
OVERSAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTILEVEL
DELTA-SIGMA
MODULATOR
SYSTEM CLOCK
MANAGER
ZERO
DETECT
POWER
SUPPLY
SUPPLY
SYSTEM
CLOCK
ZERO2
16
VOUTL
15
D/A
CONVERTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
D/A
CONVERTER
VOUTR
14
VCOM
13
AGND
12
VCC
11
NC
10
NC
9
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