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
Summary of Contents for HAP-Z1ES
Page 119: ...MEMO HAP Z1ES 119 ...
