Sony HAP-Z1ES, Руководство по обслуживанию

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HAP-Z1ES
HAP-Z1ES
70 70
3
IC701 4 (SW)
10 V/DIV, 500 ns/DIV
980 ns
35.2 Vp-p
1
IC202 1 (BST)
2 V/DIV, 1
P
s/DIV
2.6
P
s
6.6 Vp-p
2
IC602 4 (XTLO)
500 mV/DIV, 10 ns/DIV
40 ns
0.8 Vp-p
qa
IC601 qd (XTAL)
2 V/DIV, 50 ns/DIV
99.5 ns
3.9 Vp-p
qs
IC601 r; (DAI-P13)
2 V/DIV, 200 ns/DIV
356 ns
3.8 Vp-p
22.8
P
s
3.6 Vp-p
qd IC601
ra
(DAI-P07)
2 V/DIV, 10
P
s/DIV
qf IC601
rk
(DAI-P06)
2 V/DIV, 20 ns/DIV
44.2 ns
3.7 Vp-p
qg IC601
rl
(DAI-P05)
2 V/DIV, 1
P
s/DIV
2.8
P
s
3.9 Vp-p
wa
IC101 1
2 V/DIV, 20 ns/DIV
44.2 ns
3.7 Vp-p
ws
IC101 7
2 V/DIV, 20 ns/DIV
44.4 ns
4 Vp-p
wd
IC102 qd (Q1)
2 V/DIV, 100 ns/DIV
177 ns
4.4 Vp-p
wf
IC103 4
2 V/DIV, 100 ns/DIV
178 ns
4.3 Vp-p
ra IC1402
1
(BOOT)
10 V/DIV, 2
P
s/DIV
3
P
s
19.5 Vp-p
ea IC7002
rk
(XTALO)
1 V/DIV, 100 ns/DIV
250 ns
1.9 Vp-p
• Waveforms
– MAIN Board – – FPGA DSP Board – – AUDIO Board –
– DCDC Board – – U-COM Board –
• IC Block Diagrams
– MAIN Board –
IC201 BU33TD3WG-TR
2 GND
1 VIN
VOUT 5
VOLTAGE
REFERENCE
3 STBY
NC 4
STANDBY
OVER CURRENT
PROTECTION
THERMAL
SHUTDOWN
+
–
VREF OSC
IBIAS
SLOPE
UNDER VOLTAGE
LOCK OUT
ERROR
AMP
DRIVE
LOGIC
S
R PWM
THERMAL
SHUTDOWN
LVS
LVS
OVER CURRENT
PROTECT
VREG
VCC
SOFT
START
BST 1
VIN 2
SW 3
GND 4
EN 7
FB 5
COMP 6
SS 8
IC202 BD9329AEFJ-E2
IC204 MM3464A33NRE
VOUT 5
NC 4
CE 3
GND 2
VDD 1
+
VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS