Toshiba SD-2550A - Page 74

REMOTE CONTROL
MODULE
To LOGICAL
To POWER
FRONT DISPLAY
or TMP87CH74AFG-3PV7
DISPLAY MICROCOMPUTER
MAIN
EU03
EU01
HUV-08SS38T
8-BT-230GNK
2322212827262524 15161718192021 323114
77
76
75
74
73
72
71
18
20
19
52 53 54 55 56 57 58 59 60 61
17
9
16
15
2
3
11
23385
PLAY K
TRAY KEY
POWER KEY
G7
G6
G5
G4
G1
G2
G3
G4
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
1
2
3
SIGNAL
PROCESS
AMP
RECEPTION
REMOTE CONTROL
EVER+5V
MT101
GP1UM261XK
X101
8MHz
11
3
1
2
3
11
13
12
EVER+5V
Vkk (-31V)
F(-)
F(+)
CN603CN101
DSTBX
DSPCKX
DSPSIO M-D
DSPRSTX
DSPSIO D-M8
5
7
6
CN101
9
6
9
7
8
5
CN603
EVER+5V
EVER+5V
TRANSFER
SERIAL
FLIP DRIVE
DISPLAY MEMORY
112byte
PROCESS
KEY
Vdd VASS
F(-) F(+)
G1 G2 G3 G4 G5 G6 G7 S18 S17 S16 S15 S14 S13 S12 S11S10 S9
IC101
TMP87CH74AFG-3KB2
29
G8
70 G8
33 KEY IN 3
8
KIN0
PLAY
E+5V
4 GND 10
PLAYK
TRAY KEY 1
CLOSE
OPEN/
62 63 64 65 66 67 68 69
S8
S7
S6
S5
S4
S3
S2
S1
VIN0
13
S8
12
S7
11
S6
10
S5
9
S4
8
S3
7
S2
6
S1
45
STOP
DISPLAY
Q182
RN2402
A101
LED
POWER
KIN1
KIN2
KIN3
PAUSE
VIN1
REPLAY
UP
VIN2
DOWN
VIN3
SKIP
VIN4
SKIP
32
31
30
KEY IN 2
KEY IN 1
KEY IN 0
RN2402
Q181
SPR-325MVW
D181
POWER
Fig. 3-4-5
4-3-3. Front Display, Power Switch Block Diagram
3-9 3-10