Sony ICD-P620 Service Manual ▷ View online
ICD-P620
ICD-P620
13
13
4-4. SCHEMATIC DIAGRAM – MAIN Section (2/2) –
• See page 10 for waveforms. • See page 16 for IC Pin Function Description of IC703.
470k
NAND04GW3B2DN6F
ERASE
DISPLAY/MENU
UNR31A4G0LS0
CN701
R528
R733
R2012
S701
R710
R2020
R709
C732
R748
R747
R746
R745
R736
C712
C731
C711
R749
R750
R752
R734
R714
R707
R706
C702
TP704
TP703
TP702
R711
C708
C707
C707
C743
C716
R703
R702
C715
IC2001
R523
C701
IC702
R727
R726
R728
C2003
D702
LNJ326
W830S0
D701
LNJ826
W830S0
TP701
TP2001
R701
X702
X701
Q702
Q2002
Q703
R2010
R2011
FB701
FB702
FB702
R2013
C742
IC703
R754
R757
W7001
W7002
W7003
W7004
W7005
W7006
W7002
W7003
W7004
W7005
W7006
R2025
R2015
R2014
R721
R722
R723
R724
R712
R713
R713
S706
S707
S709
S702
S703
S704
S705
R753
IC701
S708
R751
(Page 12)
ICD-P620
ICD-P620
14
14
4-5. PRINTED WIRING BOARD – USB Section –
•
: Uses unleaded solder.
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
11
12
13
A
MAIN
BOARD
CN2001
USB BOARD (SIDE A)
USB BOARD (SIDE B)
CN1002
2
20
1
1
8
9
6
7
5
19
W1001
R101
1
TP1001
C1008
R1030
R1003
R1004
R1010
CN1001
(USB)
1-869-170-
(11)
R1031
R1019
11
1-869-170-
(11)
11
(Page 11)
ICD-P620
15
5P
R1010
R1011
R1019
R1003
R1030
R1030
R1031
R1004
R1004
C1008
TP1001
CN1002
CN1001
4-6. SCHEMATIC DIAGRAM – USB Section –
(Page 12)
ICD-P620
16
Pin No.
Pin Name
I/O
Description
1 to 4
COM0 to 3
O
LCD common 0 to 3 signal output
5 to 7
VLC3 to 1
I
LCD VLC 3 to 1 signal input
8
C2/N.C
I
Not used (Open)
9
FLMPWR
O
Flash memory power ON signal output (H: ON, L: OFF)
10
XREDLED
O
Red LED ON/OFF signal output (Open drain)
11
XGRNLED
O
Green LED ON/OFF signal output (Open drain)
12
HPMUTE
O
Headphone muting signal output (H: Muting)
13
SPAMPPWR
O
Speaker power amplifi er power ON signal output (H: ON, L: OFF)
14
HPAMPPWR
O
Headphone power amplifi er power ON signal output (H: ON, L: OFF)
15
DSPPWR
O
DSP power control signal output (H: ON, L: OFF)
16
VSS
—
Ground
17
OSC1
I
Main clock input (8 MHz)
18
OSC2
O
Main clock output (8 MHz)
19
VDD
—
Power supply (+3.1 V)
20
XI
I
Sub clock input (32.768 kHz)
21
XO
O
Sub clock output (32.768 kHz)
22
NMOD
I
Not used (Connected to GND)
23
XRESET
I
CPU reset signal input
24
DMOD
I
Not used (Pull up)
25
VREF
I
Reference voltage input for A/D converter. (+3.1 V)
26
BATT
I
Battery level A/D input
27
KEYIN0
I
Key 0 A/D input
28
KEYIN1
I
Key 1 A/D input
29
HOLDHPDET
I
HOLD switch/headphone detection signal input
30
SHIMUKE
I
Destination setting pin
31
XBATTEN
O
Battery level sense enable signal output (L: Enable)
32
VDD
—
Power supply (+3.1 V)
33
D+
I/O
USB D+ signal input/output
34
D–
I/O
USB D– signal input/output
35
VSS
—
Ground
36
FM_SCK
O
FM tuner serial clock output (Not used in this set.)
37
FM_SDAO(TX)
O
FM tuner serial data output (Not used in this set.)
38
FM_SDAI(RX)
I
FM tuner serial data input (Not used in this set.)
39
SCK1(DSP)
O
DSP I/F serial clock output
40
SO1(DSP)
O
DSP I/F serial data output
41
SI1(DSP)
I
DSP I/F serial data input
42
XDSPRST
O
DSP reset signal output (L: Reset)
43
DSPIFREQ
O
DSP I/F request signal output
44
DSPIFRW
O
DSP I/F read/write signal output
45
LMUTE
O
Audio line muting signal output
46
TRON/CLKOUT
O
USB TRON signal output
47
BEEP
O
Beep signal output
48
WAKEUP
I
Wakeup interruption signal input
49
FM_LCLDX
O
FM Local/DX ON signal output (Not used in this set.)
50
FM_SCE
O
FM serial chip select signal output (Not used in this set.)
51
XVBUSDET
I
VBUS detection signal input (L: VBUS ON)
52
XDSPIFACK
I
DSP acknowledge interruption signal input
53
FM_PWR
O
FM tuner power ON signal output (Not used in this set.)
• IC Pin Function Description
IC703 MN101C93KSK (SYSTEM CONTROL, USB/LED/LCD DRIVER) (MAIN BOARD (2/2))
IC703 MN101C93KSK (SYSTEM CONTROL, USB/LED/LCD DRIVER) (MAIN BOARD (2/2))
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