Toshiba HD-A2KU Service Manual page 23

4-4-2. Timer Circuit Diagram
CN701
1
5vcpu
R701
2 33
TimwerReset
3
WriteEnable
4
GND
E708
5
33
6
TxD
E709 R706
7
8
RxD
33
3State 9
R705
10
GND
E710
52808-1071
10k
E701
R708
C701 F0.1u
IC701
1 14
VCC
R704 33 2 13
CTS
3 12
4 11
R707 33 5 10
RXD R709
6 9
10k
7 8
GND
CD74HCT125A
R702 33
TXD
RTS
R710 33
100p
C702
X702
E+5V
SP-T2A
1M
R725
820k
R732
16 15 14 13 12 11 10 9 8 7 6 5
E+5V
SHRST-M5N
SHRST-M5N
17
RSMRST-M5N RSMRST-M5N
18
R716 PWRBTN-M5N PWRBTN-M5N
19
10K
KBRST-M5N KBRST-M5N
20
NC
R720 100
21
USBON0-M5P USBON0-M5P
R734
100 22
uPD78F0535GB
USBOC0-P5N USBOC0-P5N
R735
100 23
USBOC1-P5N USBOC1-P5N
R736
100 24 IC700
RTS(T-E)
R737 33 25
CTS(E-T)
R739 33 26
D-Light-LED
R711 100 27
POWER_ON0 PWR_ON0
R777 33 28
FRONT_MUTE HMUTE
29
(NON)PONOK-M5P
10K 30
R784
THRM-M5N
THRM-M5N R712
100 31
Eject-SW
R717
33 32
Power-SW
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
100
R779
POWER_GOOD
MMZ1608S601
L701
D_ASP_OUT
MMZ1608S601
L702
RESOLUTION
R781 47k
R780 R782
22k
1k
R783
22k L704
E753 MMZ1608S601
VOUT
VDD
C726
C724
C722
E754
GND
B0.01u F0.1u
47uF16V
FL+5V
L707
MMZ1608S601
P_CORE
C745
VMUTE1 F0.1u
R741 100
R719
4.7K
SLP3-M5N
100
R744
PS1240P02AT
4 3 2 1
BZ01
CLK_32K
64 R703 100
R748
BUZZER
63 R771 100 D702
10k
1SS355
PWR_LED
62 100
R785
DRI_CS
61 R759 100
DRU_OUT(T-D)
R762 100
60
DRI_IN(D-T)
R773 100
59
DRISCK
R733
58 100
ONVCC_M5P
ONVCC-M5P
57
S1_ASP
S1_ASP1
56 R713 100
SEL_I/P
Sel_I/P
55
E773
VMUTE2
54 R743 100
E771
CEC
53 R750 100
CVBS/YUVX
52 R772 100
P12V_SEN
51
ON/OFF+5V
P3V_SEN
50
49
GND
E774
4
Power_Key
E775
E+5V 3
Power_LED
E776
2
MMZ1608S601
E+5V
1
L703
E777
F0.1u
F0.1u
C714
C713
VCC3.3V
1
EJECT-SW
D-Light-LED
1K R746
S1
1K R756
S2
5 1K
R757
S3
CVBS/YUVX
K2
K1
E+5V
10
EVER5V
R/C
R718
12
100
CN703
52808-1271
CPU+5V
CPU+5V
C720
33 R778
B0.01u(1608)
33 R776
33 R775
33 R774
C718 C719
33 R770
F0.1u
47uF16V
33 R769
33 R768
33 R767
1 39
33 R766
2 38
33 R765
DIN GR5
37
3 33 R764
STB GR4
36
4 33 R763
DOUT GR3
35
R721 1K 5 33 R761
K1 GR2
34
R722 1K 6 33 R760
K2 GR1
R745 33
7 IC705
SG24
OSC E745
82k(1608)
32
8
PT6324_Q(L) SG23
GND E744
31
9
VDD SG22 E743
30
10
SG1 SG21 E742
11 29
SG2 SG20 E741
12 28
SG3 SG19 E740
13 27
SG4
1SS355
D705
1
E717
E718
22K
15K
R787
-F
CN705
52808-1671
1
F-
14G
13G
12G
5
11G
10G
9G
8G
7G
10
6G
5G
4G
3G
2G
15
1G
16
CN704
52808-2071
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
+F
ON/OFF+5V E760
L706
VCC+5V
MMZ1608S601
C732
C730
B0.01u F0.1u
E+6V
E757
C735
C733
F0.1u
100uF16V
E756
R786
VCC+12V
C741
C744
F0.1u
100uF16V
E770
DGND
Fig. 3-4-8