Fpga Dsp Board - Sony HAP-S1 Service Manual

IC4008 CS230002-CZZR
VD 1
GND 2
CLK_OUT 3
LOCK 4
128 Hz BW DIGITAL PLL
& FRACTIONAL N LOGIC
CLK_IN 5
– FPGA DSP Board –
IC101 TPS54295PWPR
VREG5
VIN1 1
VBST1 2
SW1
3
PGND1 4
ZC1
PGND1
+
SW1
EN1 5
SS1 6
32%
+
UV
OV
+
+20%
ERR COMP
REF1
+
+
SS1
VFB1
7
PGND
GND 8
IC102 MM3464A25NRE
VDD 1
GND 2
REFERENCE
CE 3
FRACTIONAL-N
FREQUENCY LCO
SYNTHESIZER
N
OUTPUT TO INPUT
CLOCK RADIO
CONTROL
LOGIC
XCON
CH1 MIN-OFF
TIMER
OCP1
REF_OCL
+
SW1
EN LOGIC
SOFT START
UV1
SS1 SS2
OV1
EN LOGIC
VREG5
CURRENT
LIMIT
+
VOLTAGE
BIAS
10 M0
9 M1
8 OUT_EN
7 FILTN
6 FILTP
M [1:0]
00 = 1
01 = 2
10 = 4
11 = 8
CONTROL
LOGIC
XCON
CH2 MIN-OFF
TIMER
OCP2
REF_OCL
+
SW2
UV1
UV2
UV2
OV1
PROTECTION
LOGIC
OV2
OV2
UVLO
TSD
REF1
REF
REF2
5V REG VIN1
UVLO
5 VOUT
4 NC
VREG5
16 VIN2
15 VBST2
14 SW2
13 PGND2
ZC2
PGND2
+
SW2
12 EN2
11 SS2
32%
+
UV
OV
+
+20%
ERR COMP
REF2
+
+
SS2
10 VFB2
PGND
9 VREG5
HAP-S1
81