52
15.4. MAIN CIRCUIT (4/4)
A
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 4
RR-US570PP/E, RR-US590P MAIN CIRCUIT
2/4
4/4
1/4
3/4
TO MAIN
SECTION (3/4)
TO MAIN
SECTION (2/4)
P1
2
P1
AB
AA
: AUDIO OUTPUT SIGNAL LINE
: MIC SIGNAL LINE
: +B SIGNAL LINE
: USB SIGNAL LINE
15
16
17
18
19
20
21
22
23
24
25
26
27
28
I
J
L
M
N
P
O
K
DD_ON
R540
47K
DA
C309
220P
CL
C305
1
C306
1
680K
R514
ET101*
1
C307
0
R425
R428
4.7M
D426
MA2S7280GL
0.1
C425
D427
MA2SD320GL
C304
1
ET102*
100K
R509
100K
R513
VBATT
C531
10
C510
220P
R507 220K
R512
560K
R510
SWITCH
1M
1M
R516
2.2M
R511
56K
R515
6.3V100
C514
6.3V100
C515
C517
4.7
R508
100K
SWITCH
6.3V100
C518
S
D
G
B1CFFB000001
Q508
G1C6R8MA0210
L513
T1
6
5
4
THERMAlPAD
2
1
3
IC504
C0DBAGY00002
2.2
C428
MCLK
D502
MA2SD320GL
USB_VBUS
6.3V22
C301
R541
470K
1
C509
R542 470K
1
4
2
3
IC509
VOLTAGE REGULATOR
C0DBGYY00462
10
C303
C302
1
23
21
22
24
19
17
18
20
31
29
30
1
32
2
4
3
28
26 25
27
10
12
11
8
6
5
7
9
13
15 16
14
C1AB00002900
IC301
1
2
ICP502
1.1A
B1ADCF000166
Q510
J0JAC0000055
LB315
SWITCH
SWITCH
J0JAC0000055
LB316
1000P
C331
B1GDCFJN0023
QR305
REC_H
ZOOMST_ON_L
B1GDCFJA0025
QR304
1
G1
2
G2
P301
D301
B0JCMD000023
R326
4.7K
R324
4.7K
0.1
C313
0.1
C314
8.2K
R323
8.2K
R325
2
1
8
9
3
4
6
5
7
IC302
C1AB00003089
6.3V100
C312
R308
39
R307
39
HPIN_L
1000P
C332
J0JAC0000055
SWITCH
LB318
4
1
2
5
3
JK301
EARPHONE
SPEAKER
J0JAC0000055
LB317
QR301
B1GBCFJN0037
BCLK
DACDATA
LRCK
DIN
RIN1
RIN1
LIN1
[24] LIN3
LIN2
SDIN
SCLK
DBVDD
DCVDD
MODE
CSB
[1] MCLK
RIN3
STEREO CODEC
MICBIAS
RIN2
RIN2
ROUT1
OUT3
[10] MONOOUT
BCLK
DACDATA
DACLRC
[18] AVDD
VREF
AGND
HPGND
LOUT2
RUOT2
[9] ADCLRC
ADCDAT
LOUT1
[17] HPVDD
VDD
GND
IN+
SPEAKER AMPLIFIER
OUT-
PGND
OUT+
STBY
IN-
PVDD
DGND
VMID
BATT-
BATTERY Terminal -
BATT+
BATTERY Te
SW2.8V
SW2.8V
GND
GND
2.8V_DD_OUT
CE
VSS
OUT
IN
1
4
2
3
IC508
VOLTAGE REGULATOR
C0DBGYY00497
CE
VSS
OUT
IN
VIN
STEP-UP
DC/DC CONVERTER
GND
SW
FB
SHDN
VOUT
ESD_GND
LIN1
LIN2
2 AAA LR03
BATTERIES / DC 3V
CL113
CL114
CL116
CL115
CL128
CL127
CL125
CL126
CL28
Содержание RR-US570PP
Страница 8: ...8 5 Location of Controls and Components 5 1 Components of IC Recorder ...
Страница 9: ...9 5 2 Basic Operation ...
Страница 14: ...14 7 Troubleshooting Guide ...
Страница 15: ...15 ...
Страница 16: ...16 ...
Страница 18: ...18 8 1 Main Parts Location Diagram ...
Страница 44: ...44 11 Illustration of IC s Transistors and Diodes C1AB00003086 120P RFKWNUS570 S RFKWNUS590 K ...