Sony WALKMAN D-CJ01, Руководство по обслуживанию

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20
D-CJ01
+
–
7
4
3
2
1
10
11
12
13
14
15
16
9 8
GAIN CTL
RFI
XSTBY
GCNT
VC
IN2+
IN3-
OFFADJ
GND
IV2+
5
6
V-I
V-I
+
–
+
V-I
V-I
+
–
+
+
–
STB CTL
RF BIAS
ADJUST
IN3+
IN2-
IV2-
RFO
AVDD
IV3-
IV3+
z
IC Block Diagrams
IC301 TA2120FN (EL)
IC501 BA6779BFV-E2
60
VLGO1
BATM1
59
BATM2
58
CHGMNT
57
INP1
56
RF1
55
INM1 DTC1D DTC2D RSTB VCC1 VCPU DCIN RF4 INM4 RS CHGSW R12 F12
42
R11
41
40
F11
VREF
L4
RF2
INM2
VG
GND
7
SYNC
8
CLOCK
9 10
DATA
WAKE
UP
11
LATCH
12
F13
13
R13
NC
14
PWM4
15
FR4
16
HP11
17
HP12
18
STNG
19 20
HPIC
F01
39 NGND1
38 R01
37 VD12
36 F02
35 MGND2
34 R02
33 VD23
32 F03
31 MGND3
30 R03
29 VD34
28 F04
27 MGND4
26 R04
25 HPOUT1
24 HGND
23 HPOUT3
22 VHP
21 HPOUT2
LIL
PGND1
L1H
VIN
L2H
PGND2
PGND3
L2L
VLGO2
L3
VLG3
INM3
RF3
CNP3
DTC3
RF21
PAPC
APCREF
VIHDET
61
62
63
64
65
66
67
68
69
70
71
72
74
75
73
76
77
78
1 2 3 4 5 6
79
80
LEVEL
SHIFTER
LEVEL
SHIFTER
PWM
H/P
DRIVER
H BRIDGE
DRIVER 4
H BRIDGE
DRIVER 3
H BRIDGE
DRIVER 2
H BRIDGE
DRIVER 1
CONTROLLER
STANDBY
REFERENCE
BANDGAP
REFERENCE
(VREF)
CLK
OR OSC
SAW GEN
54 53 52 51 50 49 48 47 46 45 44
CONTROL
CHARGE
VREF
VREF
VREF
VREF
VCPU
VREF
VCPU
VREF VG
VCPU
1/2 VREF
SAWTOOTH
SAWTOOTH
SAWTOOTH
SAWTOOTH
VREF
VREF
SUB VREF
VCC1 VCPU DCIN
BIAS
INTERFACE
CLK
R-2
R-1
R-6
D-1 to 4
D-5
S-3
S-1
S-2
R-3
R-4
R-5
R-4
CHG ON/OFF
43
VIN
CONTROLLER
MUTE
IC401 TB2119FA
+ –
+ –
+ –
23
20 19 18 17 16 15 14 13
2 3 4 5
6 7 8
9
10 11 12
1
24
BIAS
BEEP
PW
SW MT
SW
ALC
DET
ATT
SW
PWC
SW
OUT B OUT A
BEEP
BST
PW
B
PW
C
BST
NF
ADD
OUT RF IN OCL
SW
ROUT VREF LOUT PWR
GND
MIX
OUT
ALC
IN
ALC
DET
ATT
SW LIN RIN GND TC
MUTE MUTE
SW
PWR
SW BIAS
BIAS
IN
BB
SW
BST
OUT
VCC
ADD
A
ADD
B
21
22
PW
A
ALC ALC