Diagrams; Block Diagram - Sony ICD-P320 Service Manual

4-1. BLOCK DIAGRAM

MIC101
MICROPHONE
J101
Q106
m
(PLUG IN POWER)
SI1
XDSPIFRW
SCK1
SO1
XDSPIFACK
XDSPRST
XDSPIFREQ
SCK1
SO1
SI1
XDSPRST
XDSPIFREQ
XDSPIFRW
XDSPIFACK
KEY
MATRIX
S702-709
WAKE UP
SWITCH
UCOM+3V
D702 D701
OPR OPR
(PB) (REC)
RESET
UCOM+3V
IC702
X701
8MHz
X702
32.768kHz
ICD-P320
SECTION 4

DIAGRAMS

A/D,D/A CONVERTER,DSP
IC101
47 MIP HSSPOOT 33
RV101
VOL
23 EGPIO11
EGPIO12
24
25 EGPIO13
26 EGPIO14
27 XOUT 51
EGPIO15
X2001
54 RSTN
4.096MHz
58 BGPIO2 XIN 52
SYSTEM CONTROL,
USB/LED/LCD DRIVER
IC703
39 SCKI SCKI LMUTE 45
40 SO1 SO1 XHPMUTE 12
41 SI1 SI1 BEEP 47
42 XDSPRST
XDSPRST SP AMPPWR 13
DSPIFREQ
43 DSPIFREQ HP AMPPWR 14
44 DSPIFRW DSPIFRW
FLASH MEMORY
52 XDSPIFACK XDSPIFACK
IC701
FLMRB 54 7 R/B
27 KEYIN0
XFLMWP 55 19 WP
28 KEYIN1
XFLMCSO 56 9 CE
FLMCLE
57 16 CLE
FLMALE
58 17 ALE
48 WAKEUP
Q703 XFLMWE 59 18 WE
XFLMRE 60 8 RE
29 I/O1
I I
61
FLMIO0 32 I/O4
I
I •
68
FLMIO7 41 I/O5
I I
44 I/O8
SEG0
100
10 XREDLED LCD701
I
I
LIQUID
11 XGRNLED SEG31 69
CRYSTAL
COM0
1 DISPLAY
I I
PANEL
COM3 4
23 XRESET
BATTERY
XBATTEN 31 DETECT DC+3V
Q702
BATT 26
17
OSC1
DSPPWR 15
18 OSC2
20 HOLDHPDET 29 OFF
XI S701
HOLD
21 XO ON
FLMPWR 9
XVBUSDET 51
TRON/CLKOUT 46
D+ 33
D– 34
SPEAKER AMP
IC102
VO2 8
4 –IN
VO1 5
3 +IN
2 BIAS
MUTE
Q101 1 SHUTDOWN
HEADPHONE AMP
IC2002
4 –IN
3
+IN
VO1 5
2 BIAS
1 SHUTDOWN
DC+3.3V
DSP+3V REG
IC501
4
VIN
DSP+3V 3
VOUT
1
CE
DSP+3V REG
IC502
4
VIN
DSP+3V 3
VOUT
CE 1
UCOM+3V REG
DECT
IC503
D505
4
VIN
UCOM+3V
3 VOUT
CE 1
DC/DC
CONVERTER
IC506
SWITCH
Q509
SWITCHING
EXT 5
Q506
DC+3.3V
FB 1
3
CE
BUFFER
Q704
FLM+3V REG
IC2001
VIN 3 DC+3.3V
FLM+3V
4 VOUT
1
CE
VBUS
DETECT
Q2002
9 9
+
SP101
SPEAKER
–
J102
i
HP MUTE
Q2001
• Signal path
: PB
: REC
DC+3V
DRY BATTERY
SIZE "AAA"
VOLTAGE VOLTAGE
(IEC DESIGNATION LR03)
DETECT DETECT 2PCS, 3V
Q507,508 IC504
VBUS
CN1001
DATA+
DATA–
(USB)
ICD-P320