Read Sony ICD-CX50 Service Manual online
14
14
ICD-CX50
ICD-CX50
4-3. BLOCK DIAGRAM – POWER SECTION –
7
19
4
39
3
42
43
1
4
5
49
80
38
48
81
J7501
DC IN 6V
S22201
V.UP
ON
OFF
S22206,22208,22213
FUNCTION KEY
Q5401,5402
KEY
INTERRUPT
S22202-22204,S5417
FUNCTION KEY
61
8
31
30
28
D22202
D5401
RED
GREEN
REC/PLAY
D22201
CHG
GIO_P16
VOUT
P54/AN4
P42/INT22/SO2/SDA
P55/AN5
P21/PPG01
P22/PPG02
P24
IC4001(3/3)
SYSTEM CONTROLLER
IC14904
RESET
IC1001(3/3)
DSP
IC10101
+3.1V REG.
VCC
/RST
P51/AN1
P50/AN0
P11
P06
P05
P64/INT26/UI2
P53/AN3
P16
5
3
1
VOUT
VDD
VDD_IO1
CE
IC10401
+1.1V REG.
IC12601
DC/DC CONVERTER
5
3
1
VOUT
FB1
EXT1
VLCD
VCORE
EXT2
VUNREG
FB2
PWM1
PWM2
VDD
VDD_DSP1
CE
1
2
VOUT
BATT
VOUT1
EN1
EN1
VIN
EN2
VOUT2
VOUT2
VDD_DSP2
VDD_CORE2
VDD_IO1
TH7535
Q7535
Q7501
RESET
CHG_TAIR
BAT_EN
CORE_PWR
DSP_PWR
BAT_XVBUS
CHG_EN
VBUS
DC IN DET
DC IN
IC14902
RESET
VIN
GIO_P47
GIO_P05
GIO_P15
GIO_P48
Q7131,7132
SWITCH
Q7543
SWITCH
Q12601
SWITCHING
Q12701
SWITCHING
MAIN-2
SECTION
(Page 13)
A
MAIN-2
SECTION
(Page 13)
B
IC10201
+1.5 V REG.
IC10501
+1.5 V REG.
IC7541
CHARG CONTROL
L7541
Q7546
Q7543
Q7547
TH7541
Q7691
LITUM ION
BATTERY PACK
3.7V, 720mAh
BATTERY PACK
3.7V, 720mAh
D7692
D7695
D7691
D7693
L12601
L12701
D12601
D12751
5
10
12
11
7
3
6
5
3
1
10
4
7
8
2
1
6
1
2
3
4
1
VOUT
CS
CT
EN
XCHG
XCHG
INP
BATT
BATT
THRM
IN
EXT
VDD
VDD_CORE1
B+
SWITCH
Q7696
5.6V LIMITER
D7531
D7532
6
34
Q7703,7704
+B SWITCH
Q7701,7702
INITIAL
PROTECT
Q7531,7532
+B SWITCH
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