Toshiba SD-4800 Service Manual page 130

4-3-3. Front Display, Power Switch Block Diagram
A101
HUV-08SS38T
8-BT-230GNK
F(-)
G1 G2 G3 G4 G5 G6 G7 G8
1 2 22 23 24 25 26 27 28 29
77
76
75
74
73
72
71
70
30
31
32
33
19
20
18
VIN0 VIN1
KIN0 STOP PAUSE
CURSOR
KIN1 ENTER RETURN
CURSOR
CURSOR
KIN2 RIGHT LEFT
KIN3 NAVI ZOOM
S18 S17 S16 S15 S14 S13 S12 S11 S10 S9 S8 S7 S6
21 20 19 18 17 16 15 14 13 12 11 10 9
52 53 54 55 56 57 58 59 60 61 62 63 64
S18 S16 S14 S12 S10 S8 S6
S17 S15 S13 S11 S9 S7
G1
G2
G3
G4 G4
FLIP DRIVE
G5
G6
G7
DISPLAY MEMORY
112byte
G8
KEY
PROCESS
KEY IN 0
KEY IN 1
KEY IN 2
KEY IN 3
PLAY K
TRAY KEY
POWER KEY
POWER ZOOM
Vdd VASS
LED LED
5 38 23 24
VIN2 VIN3 VIN4 E+5V
SKIP SKIP
UP DOWN
TOP
MENU
MENU
OPEN/
PLAY CLOSE
CURSOR CURSOR
DOWN UP
Q101
RN2202
or DTA114ESATP
SWITCH
D101
SLR-343MC
or MPG3864X
F(+)
S5 S4 S3 S2 S1
8 7 6 5 4 31 32
65 66 67 68 69
IC101
TMP86CH74AFG-3PV7
S4 S2
DISPLAY MICROCOMPUTER
S5 S3 S1
8
16
15
17
9
MT101
GP1UM261XK
3
REMOTE CONTROL
X101
MODULE
8MHz
2
11 1
EVER+5V
2
3
EU03
FRONT DISPLAY
CN101
EVER+5V EVER+5V
11
3 Vkk (-31V) 11
1 F(-) 13
GND
4 10
2 F(+) 12
CN101
9 DSPRSTX 5
8 DSPSIO D-M 6
7 DSPSIO M-D
7
6 DSPCKX 8
5 DSTBX 9
EU04
POWER SWITCH
SIGNAL
PROCESS
AMP
REMOTE CONTROL
RECEPTION
CN103
4 POWKEY 4
3 POWLED 3
2 E+5V 2
1 GND
1
MAIN
EU01
CN603
3
To POWER
CN603
To LOGICAL
POWER
EVER+5V
CN103
Q181, Q182
RN2202
or DTA114ESATP
D181
SPR-325MVW
Fig. 3-4-5