Panasonic RR-US550PP / RR-US550E Service Manual ▷ View online
53
15.5. LCD CIRCUIT
B
B
LCD CIRCUIT
SCHEMATIC DIAGRAM - 5
RR-US550PP/E
LCD CIRCUIT
A
TO
MAIN CIRCUIT
(P502)
IN SCHEMATIC
DIAGRAM - 1
MAIN CIRCUIT
(P502)
IN SCHEMATIC
DIAGRAM - 1
: +B SIGNAL LINE
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
D
E
F
H
G
C
10K
R608
4
3
2
1
S607
4
3
2
1
S608
D201
B3AAB0000037
100K
R201
100K
R203
C202
680P
R202
39K
C205
0.047
0.047
C204
0.047
C203
R206
0
B0ACCJ000027
D126
C208
0.01
47
45
43
40
41
38 37
39
42
44
46
23
20
15
14
18 19
16 17
22
21
24
35
32
33
28
25
27
26
30
31
29
34
36
6
1
4
2
3
5
48
8
9
7
10
12
11
13
C0HBA0000251
IC201
18
16
14
8
9
11
12
10
2
3
1
5
7
6
4
13
15
17
19
COM3
COM1
S33
S27
S28
S30
S31
S29
S21
S22
S20
S24
S26
S25
S23
S32
S34
COM2
COM4
P5*
LCD DISPLAY
LCD DISPLAY
C126
0.22
R207
2.2K
10K
R122
1
4
2
3
IC105
C0DBGYY00465
1
4
2
3
IC106
C0EBA0000046
C121
1
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 NC
P3
C123
6.3V100
C124
6.3V100
C125
6.3V100
5.6K
R613
6.8K
R612
S610
27K
R610
1K
R611
15K
R609
S609
4
3
2
1
S602
4
3
2
1
S601
R602
5.6K
R604
10K
R603
6.8K
4
3
2
1
S603
4
3
2
1
S604
18
16
14
8
9
11
12
10
2
3
1
5
7
6
4
13
15
17
19
S18
S16
S14
S8
S9
S11
S12
S10
S2
S3
S1
S5
S7
S6
S4
S13
S15
S17
S19
P6*
4
3
2
1
S605
R605
15K
27K
R606
4
3
2
1
S606
STOP
MENU/-REPEAT
UP
ERASE
FF
PLAY/STOP/ENTER
REW
FOLDER
DOWN
VSS
CD
S27
S10
S28
S9
S25
S12
[24] S24
LCD DISPLAY DRIVER
S26
[13] S13
S11
S29
P8/S8
CE
S15
S19
S18
S22
S23
S20
S21
S16
S17
S14
VSS
REC LED
[37] COM3
S34
[48] DI
P3/S3
[47] CL
CE
VSS
VLCD2
INH
OSC
VDD
[38] COM4
VLCD
VLCD1
P1/S1
P2/S2
COM1
COM2
S31
P6/S6
S32
P5/S5
P7/S7
S30
S33
P4/S4
VIN
VOUT
VIN
INH
GND
GND
GND
GND
SW2.8V
SW2.8V
VDDRTC
NC
KEY2
GND
GND
GND
KEY1
GND
GND
GND
GND
VDET
GND
LCD_CL
LCD_DI
LCD_CE
ESD_GND
NC
REC_LED
2.8V_DD_OUT
2.8V_DD_OUT
ESD_GND
VOUT
VOLTAGE REGULATOR
VOLTAGE DETECTOR
REC/PAUSE
54
16 Printed Circuit Board
16.1. MAIN P.C.B.
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
MAIN P.C.B. (RFKB4477B)
RR-US550PP/E
MAIN P.C.B.
A
NOTE: " * " REF IS FOR INDICATION ONLY
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
PbF
B
C
E
B
C
E
B
C
E
G
D
S
G
D
S
B
C
E
B
C
E
G
D
S
B
C
E
G
D
S
B
C
E
G
D
S
G
D
S
B
C
E
G
D
S
B
C
E
B
C
E
PbF
(SIDE B)
(SIDE A)
EARPHONE
C103
C104
C313
C314
C407
C41
1
C419
C442
C449
C450
C451
C452
C462
C464 C465
C470
C473
C474
C509
C701
C702
C1
109
C1
116
C1128
C1
129
C1130
C1133
C1135
D503
IC302
IC403
IC405
IC508
IC509
IC1101
JK401
L501
LB315
LB316
LB317
LB318
LB401
LB403
LB404
LB701
M403
Q462
Q524
Q525
QR301
QR409
QR470
R105
R128
R138
R307
R308
R317
R323 R324
R325
R326
R405
R410
R411
R419
R420
R441
R442
R446
R447
R448
R449
R450
R451
R452
R462
R463
R464
R475
R476
R522
R523
R524
R525
R540
R541
R542
R
111
3
R1116
R1127
P301
C309
C331
C332
G501*
IC102
IC103
QR521
QR522
QR526
R526
D502
C502
JK501
JK301
3330A
3330A
MIC
(PLUG IN POWER)
IC701
USB JACK
SPEAKER
C102
C105
C106
C107
C108
C301
C302
C303
C304
C305
C306
C307
C312
C412
C414
C415
C420
C422
C425
C428
C431
C432
C437
C438
C443
C445
C446
C503
C504
C517
C518
C531
C620
C1108
C
111
0
C
1111
C
111
7
C1118
C1
121
C1
132
C1134
C1138
C1
139
C1
141
C1142
D301
D426
D427
IC301
IC401
IC402
IC504
L513
LB501
Q101
Q413
Q416
Q421
Q423
Q434
Q439
Q505
Q508
Q510
QR101
QR304
QR305
QR406
QR501
QR506
R104
R108
R109
R110
R111
R1
19
R120
R124
R125
R126
R136
R140
R412
R413
R414
R415
R416
R417
R421
R423
R425
R428
R429
R430
R431
R432
R434
R435
R436
R437
R438
R439
R443
R505
R506
R507
R508
R509
R510
R51
1
R512
R513
R514
R515 R516
R1110
R
111
7
R1118
R1
131
ET101*
ET102*
S621
(MANUAL / WIDE / ZOOM)
X1103
C520
IC502
P502
Q520
QR523
R112
R113
R123
R139
R621
S620
(HOLD / POWER ON)
C622
R129
C433
C434
C510
C514
C515
3330A
3330A
M401
R146
R409
2 AAA LR03
BATTERIES / DC 3V
ICP502
1.1A
IC503
CL28 X
X
CL127
CL125 X
X CL29
CL401
X
X CL404
MAIN MIC
(RCH)
X
CL113
CL114
X
CL414
X
ZOOM MIC
X1101
CL10
X
ICP501
1.1A
CL116
X
CL115
X
1 2
3 4
1
2
1
2
3
4
5
1
4
2
3
1
2
4
3
1
2
4
3
1
4
8
5
1
2
3
4
5
1
2
3
4
5
1 2
4 3
3
6
9
2
5
8
1
4
7
1
2
4
3
1
2
4
3
1
5
10
15
20
25
30
31
35
40
45
50
55
60
61
65
70
75
80
85
90
91
95
100
105
110
115
120
1+
2-
1
5
10
15
20
24
25
30
35
40
45
48
1
2
4
3
1
2
3
6
5
4
1
5
8
9 10
1516
17
20
24
25
30
32
1
2
3
5
4
1
2
3
5
4
1
5
10
15
16
20
25
30
1+
2-
3
4
2
1
G
D
S
55
16.2. LCD P.C.B.
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
LCD P.C.B. (REP4478A)
RR-US550PP/E
LCD P.C.B.
B
NOTE: " * " REF IS FOR INDICATION ONLY
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
PbF
PbF
(SIDE B)
(SIDE A)
C123
C124
C125
C202
C203
C204
C205
D126
IC201
R201
R202
R203
S609
(MENU / - REPEAT)
S610
(ERASE)
P3
3331A
3331A
C121
C126
C208
D201
IC105
IC106
P5*
(LCD DISPLAY)
P6*
(LCD DISPLAY)
R122
R206
R207
R602
R603
R604
R605
R606
R608
R609
R610
R610
S601
(PLAY / STOP/ENTER)
S602
(FAST FORWARD)
S603
(FAST BACKWARD)
S604
(- VOLUME)
S605
(FOLDER)
S606
(STOP)
S607
(+ VOLUME)
S608
(REC /PAUSE)
R611
R612
R613
3331A
3331A
RL501
RL502
4
2
3
1
4
2
3
1
1
5
10
15
19
1
5
10
15
19
1
5
10
12
13
15
20
24
25
30
35
37
40
45
48
1
5
10
15
16
20
25
30
56
17 Exploded View and Replacement Parts List
17.1. Exploded View and Mechanical Replacement Parts List
17.1.1. Cabinet Parts Location
P502
P301
P3
JK501
JK401
JK301
M403
M401
(LCD P.C.B.)
(MAIN P.C.B)
S621
S620
26
25
24
23
22
21
20
19
19
19
19
18
17
16
15
14
13
12
11
10
9
8
7
6
6
6
6
6
6
6
6
5
4
3
2
1
a
a
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
RR-US550PP/E-S
CABINET DRAWINGS
CABINET DRAWINGS
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