Toshiba rd-xv48dtkb Service Manual page 50

Sub System Control Block Diagram
1V2CONT
POW-SW
TO SUB
LOW-POW
POWER SUPPLY
FAN-CONT1
BLOCK DIAGRAM
REG-CONT
DTV-SYS-RESET
DTV-TXD
TO DTV MODULE
DTV-RXD
BLOCK DIAGRAM
DTV-S-SCLK
IC101
(MAIN MICRO CONTROLLER)
DTV-S-SCLK R23
DTV-RXD W25
DTV-TXD R22
DTV-SYS-RESET A4
IC107
AL+2.8V 2 RESET
SYS-RESET R25
V25
SUB-RXD
SUB-TXD
W26
SUB-SCLK P22
RDY B4
IC501
CLK 27 IN L1 4
DVD/HDD MAIN BOARD
IC501
(SUB MICRO CONTROLLER)
25 1V2CONT
59 POW-SW
74 LOW-POW
11 FAN-CONT1
60 REG-CONT
CN502-D CN1801
5 DTV-S-SCLK 5
4 DTV-RXD 4
3 DTV-TXD 3
2 DTV-SYS-RESET 2
X501
39 X OUT
12MHz
RESONATOR 38 X IN
X502
36 XC OUT
32KHz
X'TAL 35 XC IN
1
CN701 CN1502
27 SYS-RESET 27 63 SYS-RESET
Q517
30 SUB-RXD 30 66
SUB-RXD
28 SUB-TXD 28 SUB-TXD
65
26 SUB-SCLK 26 67 SUB-SCLK
Q516
29 RDY 29 64 RDY
X501
27MHz
2
X'TAL
DVD/HDD-AUDIO-MUTE 26
AUDIO-MUTE 29
SC-AUDIO-MUTE 30
DVD-REC-LED 21
HDD-REC-LED 22
CN1505
3
2
J917
S-INH
KEY SWITCH CN1504
KEY-1 7
KEY-2 8 9
2 DUBBING-LED
DUBBING-LED 20
BOARD AV
1-13-2
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.
DVD/HDD-AUDIO-MUTE
AUDIO-MUTE
SC-AUDIO-MUTE
BOARD FRONT JACK
Q3001
DRIVE
Q3002
DRIVE
CN1504 CN3011
4 DVD-REC-LED 4
3 HDD-REC-LED 3
5 VCR-LED 5
6 DVD-LED 6
1 HDD-LED 1
HDD-LED
DVD-LED TO SERVO/SYSYTEM
CONTROL
VCR-LED
BLOCK DIAGRAM
POWER-LED
D1605
POWER
CN1601
POWER-LED 3 1
POWER-SW 2 2 SW1601
P-ON+5V
POWER
BOARD POWER SWITCH
CN3011 CN3012 CN3003
KEY-2
9 KEY SWITCH 1 KEY-2 1
2
Q3006 4 DUBBING-LED 4
DRIVE
BOARD FRONT JACK
TO AUDIO SELECTOR
BLOCK DIAGRAM
ECO+5V
D3001
DVD-REC
D3002
HDD-REC
D3005
VCR
D3003
DVD
D3004
HDD
KEY SWITCH
ECO+5V
D3012
DUBBING
BOARD SWITCH
E3NG1BLSS