Toshiba HD-XA2KN Service Manual page 25

4-4-2. Timer Circuit Diagram
CN701
1
5vcpu
R701
2
TimwerReset
33
3
WriteEnable
4
GND
E708
5
R706
33
6
TxD
E709
7
8
RxD
9
3State
R705
10
GND 33
E710
52808-1071
E701
R708
10k
C701 F0.1u
IC701
1 14
VCC
R704 33 2 13
CTS 001
3 12
4 11
33
R707 5 10
RXD 001 R709
10k
6 9
8
7
GND
CD74HCT125A
R702 33
TXD 001
RTS 001
R710 33
C702
100p
X701
X702
AT-41-20M
E+5V SP-T2A
R725
1M
820k
R732
16 15 14 13 12 11 10 9 8 7 6 5 4
E+5V
SHRST-M5N 116 SHRST-M5N
17
RSMRST-M5N 116 RSMRST-M5N
18
PWRBTN-M5N 116 PWRBTN-M5N
R716
19
10K
KBRST-M5N 116 KBRST-M5N
20
NC
100
R720 21
USBON0-M5P 461 USBON0-M5P
R734
100 22
uPD78F0535GB
USBOC0-P5N 461 USBOC0-P5N
R735
100 23
USBOC1-P5N 461 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
008
R777 33 28
005 HMUTE
29
FRONT_MUTE
(NON)PONOK-M5P
R784 10K 30
THRM-M5N 116 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
008
POWER_GOOD
L701
MMZ1608S601
D_ASP_OUT 010
L702
MMZ1608S601
RESOLUTION 010
R781 47k
R780
R782
22k
1k
R783
CPU+5V
22k L704
VOUT
E753 MMZ1608S601
C722
VDD
B0.01u
C726
C724
E754
GND F0.1u 47uF16V
FL+5V
R747
10k
L707
MMZ1608S601
P_CORE
008
C745
R741
VMUTE1 F0.1u C718
010
47uF16V
100
R719
SLP3-M5N 4.7K
116
R744
100
PS1240P02AT
3 2 1
BZ701
CLK_32K
165
R703 100
64
R748
BUZZER
R771 100
63 D702
10k
1SS355
PWR_LED
100
62 R785
DRI_CS
R759 100
61
DRU_OUT(T-D)
R762
60 100
DRI_IN(D-T)
R773
59 100
DRISCK
R733
58 100
ONVCC_M5P 805 ONVCC-M5P
57
S1_ASP
010 S1_ASP1
56 R713 100
SEL_I/P
010 Sel_I/P
55
VMUTE2 E773
54 R743 100
CEC E771
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
L703 E776
2
MMZ1608S601
E+5V
1
E777
C713
F0.1u
C714
F0.1u
E779
GND
4
E780
AV_TXD
3
E781
AV_RXD
2
E782 E+5V
1
VCC3.3V
1
EJECT-SW
D-Light-LED
R746
S1
1K
R756
S2
1K
5
PlayKey
CVBS/YUVX
K2
K1
E+5V
10
EVER5V
R/C
R718
12
100
CN703
52808-1271
008 CPU+5V
R778
33
C720
B0.01u(1608)
R776
33
R775
33
R774
33
C719
R770
F0.1u
33
R769
33
R768
33
R767
33
R766
39
1
33
R765
38
2
GR5 33
DIN
37 R764
3
GR4 33
STB
R763
36
4
GR3 33
DOUT
R761
35
R721 5
1K 33
K1 GR2
R760
34
R722 6
1K 33
K2 GR1
R745 33
7 IC705
OSC SG24 E745
82k(1608)
8 32
PT6324_Q(L)
GND SG23 E744
9 31
VDD SG22 E743
10 30
SG1 SG21 E742
11 29
SG2 SG20 E741
12 28
SG3 SG19 E740
13 27
SG4
ON/OFF+5V
1
D3.3V
Q702
RN2401
E717
Q701
E718
RN1402
CVBS/YUVX
R786
001
22K
R787
15K
-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
E760
L706
VCC+5V
MMZ1608S601
C732
C730
F0.1u
B0.01u
E757 E+6V
C735
C733
F0.1u
100uF16V
E756
VCC+12V
C741
C744
F0.1u
100uF16V
E770
DGND
Fig. 3-4-8