Microprocessor Circuit Diagram - Toshiba 15DL72 Service Manual

1 2

3-2. Microprocessor Circuit Diagram

A
B
RED/GREEN
C
ICM1
PIC-37143TH 5
1
D
2
3
REMOTE CONTROL PCB
E
F
G
3 4
OPTION BOARD
KEY BOARD
SC6
SPPH210100
2 5
DC1
3 1 STANDBY
GREEN RED
RC1 RC2 RC3 RC4 RC5
2.2K 1.3K 620 390 390
RC9 0
SC5
SC1 SC2 SC3 SC4
TACT SW TACT SW TACT SW TACT SW TACT SW
SELC VOL - VOL + CH - CH +
CNM701
S3B-PH-K-S
3
2
CM1 CM2 DM1
1
100nF 100pF
UDZS5.1B/MM3Z5V1T1
5VM
C705
1uF(105)
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
IC703
24C16_SMD
CN703
**** 5VM
1
2
RX
3
TX
4
5 BUS_STOP
2-9
5 6
CN701 5VM
B3B-PH-K
R701 1K
IR_SIG
3
2
1 C702
C701
+
10uF/16V 1nF
1
2
R705 33K
3
4 MAIN_SW
5
R707 22K
6
7
8 DVD_ID
5VM
CNC702 R702 47K
SB8-ZR-34
R710 33K
EHB to Key Board D702
SCART_ID
UDZS5.1B/MM3Z5V1T1
1 2
R712 1K
SVHS_ID
R713 47K
R725 R726 R727 R728 BUS_STOP
560 560 560 560
R714 47K
Vin
1 R716 10K POWER_LED
Q701
1
BC848
2 MAIN_SW
3
R717 10K STB_LED
4
5 KEY_IN
6
1
7
Q702
8 TX
BC848
CN702
BSB-PH-K-S
RX
IC702
MC78L05AD
Vin 5VM
8 1
IN OUT
C707 C708 7 2 C710
GND GND
100nF 10uF/16V 6 3 C709 10uF/16V
+ GND GND +
5 4 100nF
N.C N.C
C712 33pF
X701
12Mhz
33pF
C713
C706
100nF
5VM
4.7K
R720
R718
100
1 3
SCL IN OUT
IC704 C714
KIA7042 100nF
SDA
R719
100
POWER
EXT_MUTE
CN704
S4B-EH R722
1 R721 220 1K
SCL CCFL_BLON
2 R723 220
SDA
3 BUS_STOP
R724 220
4
7 8
IC701
KS88C6348
5VM
1 42
IR IN BLON VIDEO_SEL
R704 2.7K
R706 100
INT 2 41
LED-G SDA SDA
R708 2.7K
R709
100
3 40
LED-R SCL SCL
R732
CB2012GA221
4 39
AV_RESET
SCART ID A_RESET
C718
47pF
SVHS_ID 5 38
D-SUB ID PC SEL WOW_SEL
6 37
BUS STOP RGB ID PANEL_POWER
R715 5VM
1.3K
7 36
PWR_KEY 5V DET KEY_IN
C703
1nF
D701
8 35 UDZS4.7B
RGB SW KEY-IN
5VM
9 34
TXD VCC
C704
100nF
10 33
RXD GND
11 32
VCC N.C
C711
100nF 12 31
GND Hsync
13 30
XTAL Vsync
14 29
XTAL N.C
15 28
TEST N.C
16 27
DDC-SDA N.C
17 26
DDC-SCL BUF ENA BUFEN
18 25
MX_RESET
RESET MX RST
R729
CB2012GA221
19 24
POWER MX ENA MXCS
C715
47pF
R730
CB2012GA221
20 23
EXT_MUTE MX SDA MXSDA
C716
47pF
R731
CB2012GA221
21 22
MXSCL
BL_BRI MX SCL
C717
47pF
2-10
9 10
Fig. 2-3-2