Lcd Circuit - Panasonic RR-US570PP Service Manual

15.5. LCD CIRCUIT

1 2 3
SCHEMATIC DIAGRAM - 5
A
B B
LCD CIRCUIT
: +B SIGNAL LINE
B
C
P6*
S1 1
S2 2
S3 3
S4 4
S5 5
S6 6
D S7 7
S8 8
S9 9
LCD DISPLAY
S10 10
S11 11
S12 12
S13 13
S14 14
S15 15
S16 16
S17 17
S18 18
E S19 19
2 4
F
2
1 3
S601
R602 PLAY/STOP/ENTER 1
5.6K
R603
6.8K
R604
10K
G
R605
15K
R606
27K
H
1 2 3
4 5 6
C204
0.047
R202
39K
C202
680P
48 47 46 45 44 43 42 41 40 39 38 37
1 P1/S1 COM2 36
2 P2/S2 COM1 35
3 P3/S3 [47] CL [37] COM3 S34 34
[48] DI [38] COM4
4 P4/S4 S33 33
5 P5/S5 S32 32
IC201
6 P6/S6 S31 31
C0HBA0000251
7 P7/S7 S30 30
LCD DISPLAY DRIVER
8 P8/S8 S29 29
9 28
S9 S28
[13] S13 [24] S24
10 S10 S27 27
11 S11 S26 26
12 S12 S25 25
13 14 15 16 17 18 19 20 21 22 23 24
4
S602
FF
2 4
3
S603
REW
2 4
1 3
S604
DOWN
2 4
1 3
S605
FOLDER
1 3
4 5 6
7 8 9
R206
0
D201
B3AAB0000037
REC LED
R207
2.2K
P5*
19 COM4
18 COM3
17 COM2
16 COM1
15 S34
14 S33
13 S32
12 S31
C208
11 S30
0.01
LCD DISPLAY
10 S29
9
S28
8 S27
7 S26
6 S25
5 S24
4 S23
3 S22
2 S21
1 S20
2 4
S607
2 4
UP
1 3
S608
REC/PAUSE
R608
1 3
10K
S609
R609
15K MENU/-REPEAT
R610
S610
27K
ERASE
2 4
S606
STOP
1 3
7 8 9
53
10 11 12
1 NC
2 VDDRTC
3 SW2.8V
4 SW2.8V
5 GND
6
GND
7 GND
8 GND
9 INH
LCD_CE
10
11 LCD_CL
12 LCD_DI
R611
13 ESD_GND
1K
ESD_GND
14
15 NC
16
GND
17 GND
18 GND
19 GND
20 2.8V_DD_OUT
21 2.8V_DD_OUT
22 VDET
23 GND
REC_LED
24
25 KEY2
26 KEY1
27 GND
28 GND
29 GND
R613
30 NC
5.6K
D126
B0ACCJ000027
R612
6.8K
C121
1
1 CE VIN 4
2 VSS VOUT 3
IC105
C0DBGYY00465
VOLTAGE REGULATOR
IC106
C0EBA0000046
VOLTAGE DETECTOR
2 1
VSS VIN
R122
10K
CD VOUT
3 4
C126
0.22
RR-US570PP/E, RR-US590P
10 11 12
13 14
A
P3
B
A
TO
MAIN CIRCUIT
(P502)
IN SCHEMATIC
DIAGRAM - 1
C
D
E
F
G
LCD CIRCUIT
H
13 14