DOWNLOAD Panasonic RR-US551PP / RR-US551E / RR-US551EE Service Manual ↓ Size: 3.2 MB | Pages: 71 in PDF or view online for FREE

Model
RR-US551PP RR-US551E RR-US551EE
Pages
71
Size
3.2 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / IC RECORDER
File
rr-us551pp-rr-us551e-rr-us551ee.pdf
Date
PREV: Panasonic RR-US550PP / RR-US550E Service Manual

Panasonic RR-US551PP / RR-US551E / RR-US551EE Service Manual ▷ View online

37
Step 6 : Remove the Main P.C.B. and LCD P.C.B.
Caution : Ensure the Battery Terminal + is release from the groove when removing the Main P.C.B.
Step 7 : Connect the Speaker Unit Wire to connector P301 on Main P.C.B.
Step 8 : Connect the DC Power supply device to the battery terminal for the power supply.
Step 9 : Checking and reparing LCD P.C.B. and Main P.C.B.
Note : Refer to Troubleshooting Guide of item 7 for composition check.
38
10 Voltage Measurement & Waveform Chart
Note:
• Indicated voltage values are the standard values for the unit measured by the DC electronic circuit tester (high-impedance) with
the chassis taken as standard.
Therefore, there may exist some errors in the voltage values, depending on the internal impedance of the DC circuit tester.
• Circuit voltage and waveform described herein shall be regarded as reference information when probing defect point because it
may differ from actual measuring value due to difference of Measuring instrument and its measuring condition and product itself.
10.1. MAIN P.C.B. (1/3)
REF NO.
MODE
1
2
3
4
 PLAY
0
0
2.8
1.2
STANDBY
0
0
2.8
1.2
REF NO.
MODE
1
2
3
4
 PLAY
0
0
2.8
2.8
STANDBY
0
0
2.8
2.8
REF NO.
MODE
18
20
 PLAY
2.8
1.4
STANDBY
2.8
1.4
REF NO.
MODE
8
 PLAY
2.8
STANDBY
2.8
REF NO.
MODE
1
2
3
4
5
 
PLAY
0
0
0
0
2.8
STANDBY
0
0
0
0
2.8
REF NO.
MODE
1
2
3
4
5
 
PLAY
0
0
0
0
2.8
STANDBY
0
0
0
0
2.8
REF NO.
MODE
1
2
3
4
5
6
7
8
 PLAY
1.2
1.2
1.2
0
1.3
1.3
1.3
2.8
STANDBY
1.2
1.3
1.2
0
1.3
1.3
1.3
2.8
REF NO.
MODE
1
2
3
4
5
6
7
8
 PLAY
1.2
1.3
1.3
0
1.3
1.3
1.3
2.4
STANDBY
1.2
1.3
1.3
0
1.3
1.3
1.3
2.4
REF NO.
MODE
1
2
3
4
 PLAY
0
0
0
2.8
STANDBY
0
0
0
2.8
REF NO.
MODE
1
2
3
4
 PLAY
0
0
0
5.0
STANDBY
0
0
0
5.0
IC304
IC401
IC502
IC102
IC405
IC402
IC403
IC404
IC103
IC301
RR-US551E/EE/PP MAIN P.C.B. 
39
10.2. MAIN P.C.B. (2/3)
REF NO.
MODE
1
2
3
4
 PLAY
2.8
0
0
5.0
STANDBY
2.8
0
0
5.0
REF NO.
MODE
1
2
3
4
 PLAY
1.2
0
2.5
2.6
STANDBY
1.2
0
2.5
2.6
REF NO.
MODE
1
2
3
4
 PLAY
1.2
0
0
2.6
STANDBY
1.2
0
0
2.6
REF NO.
MODE
1
2
3
4
5
6
7
8
9
10
 PLAY
2.8
2.8
1.2
0
0
3.0
3.0
2.8
2.8
0
STANDBY
2.8
2.8
1.2
0
0
3.0
3.0
2.8
2.8
0
REF NO.
MODE
38
42
62
73
98
109 123 137 150 152
 PLAY
2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.8
STANDBY
2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.8
REF NO.
MODE
24
25
39
52
53
66
73
77
80
91
96
97
101 105 106 115 116 119
 PLAY
1.2
2.8
2.8
1.2
2.8
1.2
2.8
1.2
1.2
1.2
2.8
2.8
2.8
2.8
2.8
1.2
2.8
2.8
STANDBY
1.2
2.8
2.8
1.2
2.8
1.2
2.8
1.2
1.2
1.2
2.8
2.8
2.8
2.8
2.8
1.2
2.8
2.8
REF NO.
MODE
S
D
G
S
D
G
E
C
B
S
D
G
E
C
B
 
PLAY
0
0
2.8
0
0
0
0
0
0
0
0
0
0
0
0
STANDBY
0
0
2.8
0
0
0
0
0
0
0
0
0
0
0
0
REF NO.
MODE
S
D
G
S
D
G
S
D
G
E
C
B
E
C
B
 PLAY
0
0
0
0
0
2.8
0
0
2.8
0
2.5
1.7
0
0
0
STANDBY
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
REF NO.
MODE
S
D
G
S
D
G
E
C
B
E
C
B
E
C
B
 PLAY
2.8
0
2.6
0.9
0.9
2.8
3
2.9
2.4
2.8
0
2.8
2.8
2.8
2.3
STANDBY
2.8
0
2.6
0.9
0.9
2.8
3
2.9
2.4
2.8
0
2.8
2.8
2.8
2.3
REF NO.
MODE
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
 PLAY
0
0
0.5
1.5
1.5
0
0
2.8
0
2.8
2.8
0
2.8
2.8
0
STANDBY
0
0
0.7
1.5
1.5
0
0
2.8
0
2.8
2.8
0
2.8
2.8
0
Q416
Q418
Q524
QR301
IC1101
IC601
Q423
Q434
Q439
Q421
Q462
Q466
Q101
Q413
IC503
IC508
IC509
IC512
QR305
QR304
Q505
Q508
Q510
Q520
Q525
QR101
RR-US551E/EE/PP MAIN P.C.B. 
40
10.3. MAIN P.C.B. (3/3)
REF NO.
MODE
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
PLAY
0
2.8
2.8
2.5
0
2.5
0
2.8
0
0
0
0
0
0
0
STANDBY
0
2.8
2.8
0
0
0
0
2.8
0
0
0
2.8
0
0
0
REF NO.
MODE
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
 PLAY
0
2.7
0
0
2.8
0
0
0
0
2.5
0
2.5
0
0
0
STANDBY
0
2.7
0
0
2.8
0
0
0
0
0
0
0
0
0
0
QR521
QR522
QR523
QR526
QR501
QR506
QR406
QR409
QR470
QR471
RR-US551E/EE/PP MAIN P.C.B. 
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