Panasonic RR-US050E Simplified Service Manual ▷ View online
Ref.
No.
Part No.
Part Name &
Description
Description
Pcs
Remarks
R209
ERJ2GEJ222
1/16W 2.2K
1
R210
ERJ2GEJ472
1/16W 4.7K
1
R211,12
ERJ2GEJ154
1/16W 150K
2
R213
ERJ2GEJ105
1/16W 1M
1
R214
ERJ2GEJ473
1/16W 47K
1
R215
ERJ2GEJ472
1/16W 4.7K
1
R216
ERJ2GEJ105
1/16W 1M
1
R217
ERJ2GEJ222
1/16W 2.2K
1
R218
ERJ2GEJ105
1/16W 1M
1
R219
ERJ2GEJ470
1/16W 47
1
R222
ERJ2GEJ105
1/16W 1M
1
R223
ERJ2GE0R00X
1/16W 0
1
R224,25
ERJ2GEJ474
1/16W 470K
2
R226
ERJ2GEJ103
1/16W 10K
1
R229-32
ERJ2GEJ472
1/16W 4.7K
4
R234
ERJ2GEJ223
1/16W 22K
1
R235
ERJ2GEJ472
1/16W 4.7K
1
R236
ERJ2GEJ104
1/16W 100K
1
R237
ERJ2GEJ222
1/16W 2.2K
1
R238
ERJ2GEJ102X
1/16W 1K
1
ERJ2RMJ102X
R239
ERJ2GEJ105
1/16W 1M
1
R244
ERJ2GE0R00X
1/16W 0
1
R246
ERJ2GEJ103
1/16W 10K
1
R247
ERJ2GE0R00X
1/16W 0
1
R250,51
ERJ2GEJ221
1/16W 220
2
R252
ERJ2GEJ225
1/16W 2.2M
1
ERJ2RMJ225X
R253
ERJ2GE0R00X
1/16W 0
1
R254
ERJ2GEJ475
1/16W 4.7M
1
R257
ERJ2GEJ222
1/16W 2.2K
1
RX1
D1H410220001
1K
1
RX4
D1H84724A024
4.7K
1
RX6
D1H84724A024
4.7K
1
RX7
D1H447220001
4.7K
1
RX101
D1H447120002
470
1
RX102
D1H410320002
10K
1
RX103,0
4
4
D1H84744A024
470K
2
S1
EVQP7L01K
SW,STOP
1
S2-S6
K0H1BA000432
SW,OPERATION
5
S7,S8
EVQP7L01K
SW,OPERATION
2
S9,10
K0H1BA000432
SW,VOL +,-
2
S11
EVQP7L01K
SW,REC MODE
1
S13
RSS2A010-1A
SW,HOLD
1
K0D112B00071
S15
RSS2A010-1A
SW,DIRECTIVITY
1
K0D112B00071
S17,18
RSS2A010-1A
SW,SELECT
2
K0D112B00071
X1
H2D819400002
CERAMIC OSCILLATOR
1
X2
H0J327200092
CERAMIC OSCILLATOR
1
X101
H2D120500007
CERAMIC OSCILLATOR
1
5
RR-US050E
3 Schematic Diagram
3.1. Schmatic Diagram Notes
(This schematic diagram may be modified at any time with
development of new technology.)
development of new technology.)
· S1 : Stop switch (
).
· S2 : Playback switch (
).
· S3 : Forward switch (
).
· S4 : Backward switch(
).
· S5 : Folder, Menu switch (
).
· S6 : Erase switch (ERASE).
· S7 : A-B repeat switch.
· S8 : Recording/Pause switch (REC/PAUSE).
· S9 : Volume (+) switch.
· S10 : Volume (-) switch.
· S11 : Recording mode switch (REC MODE).
· S13 : Hold switch (HOLD) in “OFF” position.
· S15 : Microphone directional switch in “OFF” position.
· S17 : Speed control switch in “OFF” position.
· S18:
· S7 : A-B repeat switch.
· S8 : Recording/Pause switch (REC/PAUSE).
· S9 : Volume (+) switch.
· S10 : Volume (-) switch.
· S11 : Recording mode switch (REC MODE).
· S13 : Hold switch (HOLD) in “OFF” position.
· S15 : Microphone directional switch in “OFF” position.
· S17 : Speed control switch in “OFF” position.
· S18:
Meeting/Dictation
select
switch
(MEETING/DICTATION) in “MEETING” position.
· VR1:Volume control VR.
· DC voltage measurements are taken with electronics
· DC voltage measurements are taken with electronics
voltmeter. The negative terminal of the battery provides
negative meter connection point.
negative meter connection point.
No mark.....Recording, ( ).....Playback
· Important safety notice
Components
identified
by
mark
have
special
characteristics impotant for safety.
When
When
replacing
any
of
components,
use
only
manufacturer’s specified parts.
· Signal lines
: Sound source signal (ANALOG) line
: Sound source signal (DIGITAL) line
: Positive voltage line
6
RR-US050E
3.2. Schematic Diagram
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
S
G
D
Q1
B1CFHC000003
B1CFHC000003
SWITCHING
ANALOG CIRCUIT
A
SCHEMATIC DIAGRAM-1
M2
DIRECTIONAL
MICROPHONE
(Lch)
DIRECTIONAL
MICROPHONE
(Lch)
IC14
C0ABAB000112
C0ABAB000112
MIC AMP
S
G
D
Q12
B1CFHC000003
B1CFHC000003
SWITCHING
S
G
D
4
5
+IN
-IN
OUT
V
DD
GND
3
2
1
S
G
D
D
D5
B0JCMD000010
C41
0.1
C40
10V10
L1
R47
10K
10K
D2
B0JCMD000010
Q9
B1ADKB000008
B1ADKB000008
POWER SUPPLY
L2
C212
6.3V100
C38
6.3V100
Q10
B1ADKB000008
B1ADKB000008
POWER SUPPLY
R39
4.7K
Q21
B1CFFB000001
B1CFFB000001
SWITCHING
C15
0.47
R99
1K
R10
2.2K
Q6
B1CFFB000001
B1CFFB000001
SWITCHING
R209
2.2K
R208
1M
C203
0.022
R210
4.7K
R206
47K
R207
1M
C202
0.1
C17
6.3V22
D8
MA2S111TX
Q17
2SD2216J0L
2SD2216J0L
POWER SUPPLY
Q13
B1CFFB000001
B1CFFB000001
POWER SUPPLY
CONTROL
CONTROL
6
4
CE
NC
GND
V
DD
LX
1
2
3
R4
56
IC8
C0DBAGC00024
C0DBAGC00024
DC-DC CONVERTER
S
G
D
R40
1M
M
N
B
2
4
3
1
R72
680
C26
10V4.7
R53
22K
L7
L4
R45
100K
R44
100
L8
L6
C92
100P
D22
MA2S72800L
A
R16
470K
1
2
CP2
C97
0.1
C95
0.1
IP1
D4FBR7500008
SPEAKER
JK1
EARPHONE
EARPHONE
JK2
MIC
5
NC
C37
6.3V100
C21
1
6.3V100
C218
6.3V100
C219
6.3V33
R219
47
C56
0.022
R218
1M
C55
0.022
2
4
3
1
M3
DIRECTIONAL
MICROPHONE
(Rch)
DIRECTIONAL
MICROPHONE
(Rch)
CP3
M1
MICROPHONE
MICROPHONE
S
G
D
Q20
B1CFFB000001
B1CFFB000001
SWITCHING
C200
0.022
CP4
S15(DIRECTIVITY)
C10
0.022
L3
0
L12
0
L5
Q5
2SD2216J0L
2SD2216J0L
SWITCHING
R224
470K
470K
R201
1M
S
G
D
S
G
D
Q15
B1CFFB000001
B1CFFB000001
SWITCHING
R225
470K
C252
0.047
0.047
R252
2.2M
Q25
B1CFFB000001
B1CFFB000001
SWITCHING
IC15
C0ABAB000112
C0ABAB000112
MIC AMP
S
G
D
4
5
+IN
-IN
OUT
V
DD
GND
3
2
1
Q22
B1CFFB000001
B1CFFB000001
SWITCHING
R212
150K
R213
1M
R215
4.7K
R214
47K
R216
1M
C204
0.1
R254
4.7M
C254
0.22
C5
0.01
R202
1M
R203
1M
C91
100P
C217
0.1
C223
0.47
R237
2.2K
R238
1K
Q7
B1CFFB000001
B1CFFB000001
SWITCHING
R239
1M
C224
0.01
C228
4V10
C205
0.022
R217
2.2K
C251
0.022
R251
220
C19
0.22
R12
4.7M
D6
MA2S72800L
C60
0.1
C253
0.1
D7
MA2S72800L
D21
MA2S72800L
R58
0
C255
6.3V22
R60
47K
D9
MA2S111TX
R226
10K
D26
1SS355TE17
D25
1SS355TE17
C
E
G
H
I
J
K
L
Q
R
S
T
U
V
F
P
2
1
2
1
D11
MA2S111TX
O
R250
220
C250
0.022
R211
150K
150K
SWITCHING
R59
10K
S
D
G
R41
10
R38
1M
D24
1SS355TE17
Y
OFF
ON
R205
100K
C54
0.022
2 AAA SIZE(LR03)
BATTERIES
BATTERIES
3V
NOTE:
The number which noted at the connectors on the schematic diagram as "SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
The number which noted at the connectors on the schematic diagram as "SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
RR-US050(E) ANALOG CIRCUIT DIAGRAM
C12
1000P
C4
1000P
4
5
6
3
2
1
D50
B0KB00000049
4
5
6
3
2
1
D51
B0KB00000049
(0.3V)
2.2V
0V
0.2V
(0V)
1.4V
0.2V
(0V)
1.9V
0V
0.2V
2.9V
2.9V
2.2V
3V
3V
2.3V
(0V)
0.9V
(0V)
1.9V
(0V)
0.9V
0.9V
(0V)
0.9V
0V
0V
0V
0V
(0V)
0.5V
0.5V
0V
0V
0V
0V
0V
(0V)
0.9V
0.9V
(0V)
0.9V
0.9V
(0V)
1.9V
1.9V
(0V)
0.9V
0.9V
:SOUND SOURCE SIGNAL(ANALOG) LINE
:POSITIVE VOLTAGE LINE
RR-US050E
7
A
B
C
D
E
F
G
H
13
14
15
16
17
18
19
20
21
22
23
24
ANALOG CIRCUIT
A
SCHEMATIC DIAGRAM-2
IC2
C2HBBJ000047
C2HBBJ000047
MICRO COMPUTER
(REC/PLAY)
(REC/PLAY)
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
112
113
114
115
116
117
118
119
120
121
1 2 3 4 5 6 7 8 9 10 11
21
12
22
13
23
14
24
15
25
16
36
17 18 19 20
97
98
99
100
101
102
103
104
105
107
108
109
110
111
106
GND
DGPIO0/CD0
DGPIO1/CD1
DGPIO2/CD2
DGPIO/CD3
DGPIO4/CD4
DGPIO5/CD5
DGPIO6/CD6
DGPIO7/CD7
DGPIO8/CD8
DGPIO9/CD9
DGPIO10/CD10
BGPIO10
BGPIO9
BGPIO8
BGPIO7
EGPIO11/HDB7
EGPIO13/HRDN
EGPIO12/HWRN
BGPIO3(ALE)
LGS0
XIN
RSTN
DCDCOUT
DCDCIN
DCDCGND
BCLK
LOUT1
TXMOD
RSS1
LGSI
XOUT
V
DD
V
CC
IN
GND
USBP
USBN
V
CC
BGPIO0(CE)
DGPIO14/CD14
DGPIO13/CD13
DGPIO12/CD12
DGPIO11/CD11
AGPIO0/CA0
AGPIO2/CA2
AGPIO12/CA12
AGPIO11/CA11
TDO
VREF
MIN
MIP
DCIN1/IBAT
DGPIO15/CD15
AGPIO13/CA13
AGPIO14/CA14
BGPIO14/DL1
GND
DCIN3/PDN
AGPIO10/CA10
EGPIO1/HA1
AGPIO3/
CA3
AGPIO4/
CA4
AGPIO5/
CA5
AGPIO6/CA6
AGPIO7/CA7
AGPIO9/CA9
AGPIO8/CA8
EGPIO4/HDB0
EGPIO5/HDB1
EGPIO6/HDB2
EGPIO7/HDB3
EGPIO8/HDB4
GND
V
CC
EGPIO9/HDB5
EGPIO10/HDB6
EGPIO15/ACKN
V
DD
EGPIO0/HA0
85
86
87
88
EGPIO2/HA2
EGPIO3/HINTN
89
CGPIO10/PRDN
CGPIO8/IOWRN
CGPIO7/IORDN
V
CC
GND
CGPIO5
CGPIO4
CGPIO3
CGPIO2
LIN1
SPOUTP
GNDP
A
SPOUTN
V
CC
PA
DCIN2/MPWR
GNDA
HSMIN
HSMIP
V
CC
A
H
G
F
E
D
C
A B
90
91
92
93
94
95
96
122
123
124
125
126
127
128
26 27 28 29 30 31 32
33
34
35
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
BGPIO15/
CLKOUT0
BGPIO13/
DL0
BGPIO12/
FSYNC
CGPIO1/EXTINT1
CGPIO0/EXTINT0
GND
V
CC
TCK
TMS
TDI
CIDIN0
CIDIP0
LIN0
DCIN0
LOUT0
HSSPOUTP
HSSPOUTN
BGPIO4(CLE)
BGPIO5
BGPIO6
EGPIO14/HI/LO
BGPIO1/TXO
BGPIO2/HCSN
BGPIO1
1/SCLK
V
CC
DRDN/CGPIO12
DWRN/CGPIO13
AGPIO1/CA1
44
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
CP1
VBUS
D-
D+
DGND
USB 3V
D7
D6
D5
D4
D3
DGND
D2
D1
D0
SW V
DD
LSI ACK
IRE
IWE
LSI RST
BATT+
LSI HILO
DGND
DGND
LSI CS
EP IN
CLK IN
HOLD
DPC
BACKLIGHT H
CLK OFF L
MUTE
MIC OMNIUNI
KEY IN
REC H
EXMIC H
MIC SENSE
INTMIC H
BAT OFF L
DCINDET H
DGND
PLAY L
V
DD
NC
NC
GND
NC
D+
D-
VBUS
6
7
9
8
1
2
3
4
5
JK101
USB
USB
G G
G G
B
3
4
1
2
L101
R109
0
OFF
ON
R32
4.3K
R31
3.3K
S7
(A-B
)
G
I
S13
(HOLD)
R229
4.7K
C18
0.1
L9
L13
L11
RX7
4.7K
R231
4.7K
C209
0.1
C45
6.3V100
C213
6.3V100
C221
0.1
C222
6.3V10
RX4
4.7K
S8
(REC/P
AUSE)
S9
(VOL
+)
S10
(VOL
-)
R33
6.8K
R34
11K
R35
22K
22K
S1
1
(REC
MODE)
L10
RX1
1K
C20
0.1
R244
0
R7
2.2K
C7
0.01
L14
C210
0.1
C206
0.1
C208
6.3V10
C207
0.1
R247
0
C25
0.1
C39
6.3V100
C214
6.3V100
R204
10
C229
6.3V10
C201
0.1
R5
47K
R8
100
C36
6.3V10
C22
0.1
R230
4.7K
R232
4.7K
RX6
4.7K
4.7K
T
Q
O
J
L
I
G
H
V
K
C
E
I
A
F
B
C
D
E
I
B
C
D
E
F
G
H
B
A
B
E
D
C
F
I
N
D
R
U
P
F
S
A
M
C16
0.1
C216
0.1
R50
1M
H
R222
1M
S17
(SPEED CONTROL)
A
Y
G
H
R14
150K
To
DIGITAL
CIRCUIT (CP12)
on SCHEMATIC
DIAGRAM-3
on SCHEMATIC
DIAGRAM-3
ON
OFF
RR-US050(E) ANALOG CIRCUIT DIAGRAM
:SOUND SOURCE SIGNAL(ANALOG) LINE
:SOUND SOURCE SIGNAL(DIGITAL) LINE
:POSITIVE VOLTAGE LINE
RR-US050E
8
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