Panasonic RR-US550PP / RR-US550E Service Manual ▷ View online
49
15 Schematic Diagram
15.1. MAIN CIRCUIT (1/4)
A
A
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 1
RR-US550PP/E MAIN
CIRCUIT
2/4
4/4
1/4
3/4
TO MAIN
SECTION (2/4)
SECTION (2/4)
TO MAIN
SECTION (3/4)
SECTION (3/4)
P1
1
P1
B
TO
LCD CIRCUIT
(P3)
IN SCHEMATIC
DIAGRAM - 5
LCD CIRCUIT
(P3)
IN SCHEMATIC
DIAGRAM - 5
: AUDIO OUTPUT SIGNAL LINE
: MIC SIGNAL LINE
: +B SIGNAL LINE
: USB SIGNAL LINE
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C1129
18P
C1118
12P
LCD_CL
INH
LCD_CE
LCD_DI
KEY2
KEY1
VDET
REC_LED
6
7
5
9
25
24
26
21
20
22
17
18
13
10
12
11
16
14
15
19
23
28
27
8
1
3
4
2
29
30
P502
VDDRTC
0.01
C108
0.01
C107
R140
220K
R112
47K
R113
47K
KEY1
KEY2
220
R111
VBATT
220
R110
220
R109
220
R108
D1
FLASH_RB
D0
DIN
BCLK
330K
R139
330K
R136
R138
560
HPIN_L
DCIN_DET
0.1
C1139
HOLD_L
REC_H
D7
EXTMIC_H
D3
D2
D6
D4
D5
0.1
C1138
DACDATA
R1116
680
C1116
0.1
R1113
0
D+
D-
IC103
C0EBE0000599
C102
0.047
0.047
0.01
C1111
C1110
1
R1110
100
0.01
C106
R146
220K
0.01
C105
RECSW2
RECSW1
R129
330K
R126
330K
R124
330K
R123
330K
R128
330K
1
C103
1
C104
NRES
1
4
2
3
C0EBB0000201
VOLTAGE DETECTOR
VOLTAGE DETECTOR
IC102
330K
R125
FLASH_ALE_H
NRE
XFWP
FLASH_CS2_L
FLASH_CLE_H
FLASH_CS_L
NWE
107
106
109
117118
116
120
119
111
110
114 115
112113
108
89
87
84
85
82
80
78
76
77
79
81
83
86
88
92
91
94
101
100
104
103
105
102
96
95
99
97 98
93
90
72
70
68
69
71
74
75
73
59
55
57 56
52
47
49 48
45
46
51 50
54 53
58
60
63
62
66
65
67
64
61
35
36
34
37
31
33 32
44
40
42 41
38
39
43
29
3
4
1
2
9
6
5
8
7
27
15
11
10
13
14
12
18
22
21
25
24
26
23
19
20
16
17
28
30
IC1101
C1AB00003086
0.1
C1141
0.1
C1142
R104
0
LCD_CE
ZOOM_ON_H
CL
PCNT
ZOOMST_ON_L
LCD_DI
REC_LED
DA
LCD_CL
C1109
0.1
6.3V22
C1108
R1118
330K
H0J327200085
X1103
100
R1131
0.1
C1133
R1117
10M
C1117
12P
6.3V22
C1134
0.1
C1135
C1121
1
C1130
0.1
10K
R621
C620
0.01
1000P
C622
POWER SUPPLY SWITCH
RECSW1
RECSW2
G4
G2
G3
1
2
3
4
5
6
G1
S621
POWERSW
B1GDCFJN0023
QR523
HOLD_L
4
1
2
3
S620
HOLD/POWER ON
15P
C1128
R1127
1M
2
3
1
4
H0J120500050
X1101
C1132
0.1
R120
100K
R119
330K
S
D
G
SWITCH
SWITCH
Q101
2SK3546J0L
B1GDCFJN0023
QR101
VDDRTC
MIC_SENSE_HI
MCLK
INH
LRCK
USB_VBUS
NRES
VDET
XFRE
[32] XCLE
VSS
FD4
FD3
FD7
FD5
FD6
FD2
XFCE0
[33] XFCE1(P1F)
VDD2
[31] XALE
TEST6
VSS
AVSSADC
AN3/MODEL_SW
VSS
VDD2
VCNT2
[2] TEST4
TEST5
[1] TEST3
TXD0(P1D)
AVDDADC
AN0/KEY1
AN1/KEY2
AVDDPHY2
AN2/VBATT
AVSSPLL2
XFWE
RXD0(P1E)
EXTINT1(P22)/HOLD_L
EXTINT0(P21)/REC_H
AVDDPHY2
AVSSPHY2
EXTINT3(P24)/EXTMIC_H
AVSSPHY2
DM
DP
EXTINT2(P23)/DCIN_DET
EXTINT4(P25)/HPIN_L
VIN
VOUT
NC
VSS
1
4
2
3
VIN
VOUT
NC
VSS
FD0
XFWP
XFBSY
FD1
VDD1
TDO
RTCK
NRES
PHI(P11)
SDI1(P16)/LCD_CE
RXD1(P2B)/ST_ON_L
TIOCA1(P1B)/RECSW1
TXD1(P2A)/ZOOM_ON_H
TIOCA0(P19)/RECSW2
EXTFIQ(P2F)
AVDDPLL2
INTERNAL P-UP TCK
INTERNAL P-UP TMS
INTERNAL P-UP TDI
INTERNAL P-UP NTRST
XIN2
VDD1
XOUT2
SDI0/REC_LED_L
SCK1(P14)/LCD_CL
SDO1(P15)/LCD_DI
VSS
VDD2
SDO0/DA(WM8750)
SCK0/CL(WM8750)
AVSSPHY2
AVSSPHY2
SDAT2
[63] RXD2(P2D)/HP_MUTE_H
AVDDPHY2
AVSSPHY2
AVDDPHY2
RREF
VDET
RTCINT
XIN32K
VSSXT
SDAT3
VDDXT
VCNT1
AVSSPLL1
AVDDPLL1
XOUT1
XIN1
XOUT32K
VDDRTC
VSSRTC
BACKUPB
[92] AVSSPHY1
[91] AVDDPHY1
[93] AVSSPHY2
[64] TEST1
MICRO COMPUTER
VDD1
VDD2
VSS
DOUT/DACDATA(WM8750)
DIN/(WM8750)
VSS
VDD1
TEST2
SDCD
SDWP
SDAT0
SDCMD
SDCLK
[60] SCL(P28)/INH
BCK/BCLK(WM8750)
LRCK(P12)/(WM8750)
[59] MCLK(P13)/(WM8750)
SDAT1
VDD3
[62] TXD2(P2C)/USB_VBUS
[61] SDA(P29)/MIC_SENSE_HI
MANUAL/WIDE/ZOOM SW
LCD_CL
INH
LCD_CE
GND
GND
GND
LCD_DI
SW2.8V
SW2.8V
VDDRTC
NC
NC
NC
GND
GND
GND
GND
SW2.8V
ESD_GND
ESD_GND
ESD_GND
GND
GND
GND
KEY1
REC_LED
GND
GND
VDET
2.8V_DD_OUT
2.8V_DD_OUT
2.8V_DD_OUT
KEY2
SW2.8V
GND
R105
33
CL10
CL29
50
15.2. MAIN CIRCUIT (2/4)
A
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 2
RR-US550PP/E MAIN
CIRCUIT
2/4
4/4
1/4
3/4
TO MAIN
SECTION (1/4)
SECTION (1/4)
TO MAIN
SECTION (4/4)
SECTION (4/4)
P1
1
P1
AA
AB
: 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
A
B
D
E
F
H
G
C
REC_H
R441 10K
R476
470K
QR470
B1GDCFJA0025
R317 10K
R405
47K
B1GDCFJN0023
QR409
R410
470K
R411
100
EXTMIC_H
R446 22K
27K
R447
100K
R429
100K
R430
100K
R435
100K
R436
M403
ZOOM MIC
MAIN MIC
(RCH)
MIC
(PLUG IN POWER)
100K
R420
C451
220P
220P
R451
150K
150K
R452
10K
0.1
C452
ZOOM_ON_H
MIC_SENSE_HI
C431
220P
MIC SENSE
HI SWITCH
MIC SENSE
HI SWITCH
R416
22K
R421
22K
R463 4.7K
C465 0.01
6800P
C462
100K
R415
2SD19790SL
Q416
R449
10K
180K
R448
0.068
C449
Q462
B1ABCF000226
0.022
C464 R464
AMPLIFIER
1K
R462
470K
68K
R431
C437
220P
68K
R437
0.047
C414
R414
10K
0.047
C419
R419
10K
0.1
C415
0.1
C420
B1GBCFNN0042
QR406
R432
2.2K
S
D
G
2SK3546J0L
Q434
S
D
G
2SK3546J0L
Q439
R434
1K
6
7
5
2
4
3
8
1
IC403
C0ABHA000078
2.2
C432
R438
2.2K
R439
1K
2.2
C438
M401
R412 2.2K
2200P
C412
R417 2.2K
2200P
C422
R413
4.7M
R423
4.7M
S
D
G
MIC SWITCH
MIC SWITCH
MIC AUTO
GAIN CONTROL
2SD19790SL
Q421
MIC AUTO
GAIN CONTROL
MIC SWITCH
MIC SWITCH
Q413
B1CFHC000003
S
D
G
Q423
B1CFHC000003
J0JAC0000055
LB401
J0JAC0000055
LB403
J0JAC0000055
LB404
4
1
2
5
3
JK401
470K
R475
1
4
2
3
IC405
VOLTAGE REGULATOR
SWITCH
C0DBGYY00463
C470
1
R442 10K
C442
6.3V22
C411 6.3V22
0.047
C443 R443
1K
0.033
C445
0.068
C450 R450
22K
C407 1000P
C473
6.3V22
C474
1
C446
0.01
C433 220P
C434 220P
R409
220
3
1
2
4
5
ZOOMST_ON_L
VSS IN+1
IN-1
IN+2
IN-2
OUT
IN+
IN-
GND
OUT
VDD
3
1
2
4
5
C0ABAB000112
IC402
IN+
IN-
GND
OUT
VDD
OP-AMP
C0ABAB000112
IC401
OP-AMP
OP-AMP
RIN2
VDD
OUT
RIN1
IN
OUT
GND
2.8V_DD_OUT
CE
VSS
CL401
CL404
CL414
51
15.3. MAIN CIRCUIT (3/4)
A
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 3
RR-US550PP/E MAIN
CIRCUIT
2/4
4/4
1/4
3/4
TO MAIN
SECTION (4/4)
SECTION (4/4)
TO MAIN
SECTION (1/4)
SECTION (1/4)
P1
2
P1
: AUDIO OUTPUT SIGNAL LINE
: MIC SIGNAL LINE
: +B SIGNAL LINE
: USB SIGNAL LINE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
I
J
L
M
N
P
O
K
DD_ON
B1ABCF000226
Q525
1M
R526
B1GBCFNN0042
QR526
VBUS+5V
S
D
G
B1DHCC000034
Q505
D+
D-
FLASH_RB
NRE
FLASH_CS2_L
NWE
XFWP
FLASH_CLE_H
FLASH_ALE_H
FLASH_CS_L
DCIN_DET
470K
R522
R523
470K
470K
R525
4
3
2
1
J0JBD0000045
L501
Q524
B1ADCF000166
QR501
B1GBCFNN0042
470K
R524
1
2
ICP501
1.1A
S
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
D
G
B1DHCC000034
Q520
C520
0.047
B1GBCFNN0042
QR521
KEY2
POWERSW
B1GBCFNN0042
QR522
PCNT
2
G3
G4
1
4
5
G2
G1
3
D-
GND
GND
GND
GND
D+
GND
JK501
USB JACK
D1
D2
D0
D3
D7
D5
D6
D4
LB701
J0JGC0000059
6.3V22
C701
0.1
C702
22
23
21
14
15
13
18
17
20
19
16
4
5
3
6
1
2
12
10
8
7
9
11
26
28
30
32
39
40
36
37
34
35
38
47
45
46
48
41
43
44
42
33
31
29
27
24
25
RFKWNUS550E
IC701
QR506
B1GBCFNN0042
LB501
J0JGC0000059
1
4
2
3
C0DBGYY00464
VOLTAGE REGULATOR
IC503
C0EBF0000475
VOLTAGE DETECTOR
IC502
1
4
2
3
R505
470K
R506
470K
B0ACCJ000027
D503
1
C503
2.2
C504
C502
1
NC
NC
NC
I/O0
NC
NC
NC
I/O2
I/O3
I/O1
NC
NC
NC
NC
NC
NC
NC
NC
VCC
I/O4
I/O7
I/O5
I/O6
VSS
NC
/WE
ALE
/WP
CLE
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
/RE
/CE2
/CE1
VCC
R/B-2
R/B-1
NC
VSS
VOUT
CE
VSS
VIN
OUT
IN
VSS
SW2.8V
ESD_GND
NC
GND
2.8V_DD_OUT
2.8V_DD_OUT
SW2.8V
GND
FLASH ROM (512MB)
52
15.4. MAIN CIRCUIT (4/4)
A
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 4
RR-US550PP/E MAIN
CIRCUIT
2/4
4/4
1/4
3/4
TO MAIN
SECTION (3/4)
SECTION (3/4)
TO MAIN
SECTION (2/4)
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
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 Terminal +
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
2 AAA LR03
BATTERIES / DC 3V
CL113
CL114
CL116
CL115
CL127
CL125
CL28
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