Lcd, Usb & Cd Interface Circuit - Panasonic SA-AKX18PH Service Manual

12.4. LCD, USB & CD Interface Circuit
1 2 3
SCHEMATIC DIAGRAM - 10
A
C LCD CIRCUIT
: +B SIGNAL LINE
B
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C
22 21 20 19 18 17 16 15 14 13 12
SEG21
23 SEG21 11
SEG20
24 SEG20 10
SEG19 [21]SEG23 [10]COM1
25 COM0 9
SEG19
[22]SEG22 [11]COM2
SEG18
26 SEG18 BZ 8
SEG17
27 SEG17 IC900 VDD 7
SEG16
28 SEG16 C0HBA0000295 VLCD 6
D
SEG15 C907 0.01
LED DRIVER
29 SEG15 VSS 5
SEG14
30 DATA 4
SEG14 [34]SEG10
SEG13
WR 3
31 SEG13 [35]SEG9
SEG12
32 RD 2
SEG12
SEG11
33 SEG11 1
CS
34 35 36 37 38 39 40 41 42 43 44
E
E
CD INTERFACE CIRCUIT
F
5 LDM+
4 LDM-
3 OPEN_SW
2 DGND
M7302* 1 CLOSE_SW
SPINDLE MOTOR
+
10 SPM+
9 SPM-
8 CLOSE_SW
3 1 7 REST_SW
G
6 DGND
4 2 5 OPEN_SW
4 LDM-
S7201
3 LDM+
RESET
2 TRV-
1 TRV+
+
M7301*
TRAVERSE MOTOR
NOTE: " * " REF IS FOR INDICATION ONLY
H
1 2 3
4 5 6
DP900
L5AYAYY00061
LCD DISPLAY
15 16 17 1 8 1 9 20 21 22 23 24 25 26 27 2 8 29 30 31 32 33 34 35 36
R933
180
D993
B3AFA0000131
Q900
B1GBCFJN0033
ZJ6000*
LED DRIVE
R935
180
1 PW_5V
2 LED_DIMMER
B
LB900 J0JBC0000019
TO
3 PW_3V3
PANEL CIRCUIT(ZJ9001*)
4 LCD_DATA
IN SCHEMATIC
R901 5 LCD_WR
15K
R906 0 DIAGRAM - 9
6 LCD_CE
R905 0
7 DGND
R903 470
C902 C901 R908
220P 1000P 1K
CN7001
TO LOADING P.C.B.
(CD MECHANISM UNIT BRS12C)
CN7002
1
A
TO
MAIN (MICON)
CIRCUIT (P2004)
IN SCHEMATIC
DIAGRAM - 7
10
4 5 6
7 8 9 10
D USB CIRCUIT
ZJ9301*
A
TO
MAIN (USB)
CIRCUIT (CN2502)
IN SCHEMATIC
DIAGRAM - 3
7 8 9 10
48
11 12 13
: +B SIGNAL LINE : USB SIGNAL LINE
R9300 D9301
330 B3AAA0000487
4
DGND
3 +D
-D
2
USB5V
1
LB9300
C9300
J0JHC0000118
USB_A_D+ 0.1
1
USB_A_D- 2
3
USB_B_D-
USB_B_D+ 4
DGND 5
PW_USBA_5V 6
D9300
B3AAA0000487
PW_USBB_5V 7
PW_D5V 8 4
DGND
3 +D
-D
2
USB5V
1
LB9301
C9301
J0JHC0000118
0.1
SA-AKX18PH/PN LCD / USB / CD INTERFACE
11 12 13
14
A
JK9300
G
USB PORT A
B
G
JK9301
G
C
USB PORT B
G
D
E
F
G
CIRCUIT
H
14