Sony MEX-DV1500U, Руководство по обслуживанию

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MEX-DV150UE/DV1500U/DV1505U
MEX-DV150UE/DV1500U/DV1505U
32 32
20.8
μ
s
3.9 Vp-p
IC4
[D[
(ALRCLK)
2 V/DIV, 10
μ
s/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)
500 mV/DIV, 20
μ
s/DIV
H
1.1 Vp-p
IC4
[D
(RFP),
[W
(RFN)
(DVD play mode)
200 mV/DIV, 200 ns/DIV
0.4 Vp-p
RB
IC503 (XCOUT)
1 V/DIV, 10
μ
s/DIV
32.5
μ
s
2.9 Vp-p
RT
IC503
RB
(XOUT)
2 V/DIV, 100 ns/DIV
175 ns
3.6 Vp-p
RE
IC151 (VOUT)
(Color bar)
1 V/DIV, 20
μ
s/DIV
H
2.6 Vp-p
RG
IC401 (SW)
5 V/DIV, 2
μ
s/DIV
2.9
μ
s
15 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
IN3 44
IN4 45
CNF2 39
CNF3 38
CNF4 37
180 deg MATRIX
HALL BIAS
OSC
OSC
REVERSE
PROTECT
FREQUENCY
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
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
SYSTEM
CLOCK
ZERO2 16
VOUTL 15
D/A
CONVERTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER D/A
CONVERTER
VOUTR 14
VCOM 13
AGND 12
VCC 11
NC 10
NC 9