Service manual

XL-MP150
4 – 4
SYSTEM
MICROCOMPUTER
XL700
CNP704
Q719
IC701
LED701
VR701
VOLUME
SW722
SW728
RX701
Q703
~
SW701
SW705
SW706
SW707
~
SW711
SW718
~
SW719
SW721
~
8.388608 MHz
IXA056AW
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31323334353637383940414243
4
8
586878889 90919293949596979899 100
8
7
6
5
4
3
2
1
124589 1011121314151617
KEY2
KEY1
KEY0
MOT_A-
MOT_A+
CD_RESOUT
CD_RESOUT MOT_A+ MOT_A- CD_CLK CD_DI CD_DO
SMUTE
SMUTE
CD_CE
AVDD
KEY0
KEY1
KEY2
VOL_JOG
PROTECT
T_FPSW
TUN_SM/SPAN
T_RUN_PULS
DISCuCLAMESW
TRAY_SW1u2
CD_INTB
MP3_INTB
AVSS
VSS
XIN
XOUT
VDD
VPP
CD_CE
CD_DO(FLASHD0)
CD_DI(FLASHDI)
CD_CLK(FLASHCLK)
P_IN
PHOTO
SP_DET
REMOCON
CE
CLK
DI
DO
MOTA+ MOTA- TIMERLED T_SOL_B T_MOTOR T_SOL_A/VOLLED VSS RESET ILLU_LED VDD
NS
_
SW2
S4
S3 S2 S1
G12 G11 G10
G9 G8 G7 G6 G5 G4 G3 G2 G1
G12 G11 G10 G09 G08 G07 G06 G05 G04 G03 NX NX G02 G01 NP F
8
7
5
4
2
6
3
9
10
11
12
13
14
1
VF1
+B
B
+B
+B +B
+B
+B
+B
+B
+B
CD_RESOUT
CD_INTB
MP3_INTB
CD_DO
CD_DI
CD_CLK
CD_CE
MOT_A+
MOT_A-
DISC & CLAMP SW
TRAY SW1&2
PHOTO
GND
+5V
KEY
TO CD/MP3 PWB
REMOTE
SENSOR
2013TH2E1
Figure 4-4 BLOCK DIAGRAM (4/6)