Toshiba 4560 Service Manual page 235

14.4 Control Key 2 Circuit (PWA-KEY2)
1
A
[DSPON1] 3B4
B
[LEDAT] 1?2
[LECLK] 1?2
[LELTH1] 1?2
[LERST] 1?2
C
D
E
E1
F
1
4560/4570 CIRCUIT DIAGRAMS
HINT
How to search for where a signal in a
circuit diagram has jumped to.
2 3
DSPON1
VDD
1K
R3 1 2
1K
R1 1 2
R4 1 2 1K
R2 1 2 1K
R8 1K
1 2
LEDAT
1K
R6 1 2
LECLK
1K
R5 1 2
LELTH1
1K
R7 1 2
LERST
1 1 1 1 1
2 2 2 2 2
TH+
3B4 [TH+]
NTH42G
TH-
3B4 [TH-]
2 3
4 5
R9 1
[AZ7932S]
R10 1
IC1
26 5
SI SOUT
R11 1
25
29
CK D1
28 24
LATCH D2
R12 1
22
D3
3 21
STB D4 R13
1
2 20
BE0 D5
19
D6
R14 1
27 17
LAST D7
16
4
L/R D8 R15 1
15
D9
14
D10
R16 1
12
D11
11
D12 R17 1
10
D13
9
D14
R18 1
7
D15
6
D16 R19 1
30
[VDD]
1
[VSSL] R22
1
8
[VSSD]
13
[VSSD]
R21 1
18
[VSSD]
23
[VSSD] R20
1
GND SGD
4 5
6 7
100 LTL433G LP14
2
K A EXPO9
LP13
2 100 LTL433G
K A EXPO8
100 LTL433G LP12
2
K A EXPO7
100 LTL433G LP11
2
K A EXPO6
100 LTL433G LP10
2
K A EXPO5
100 LTL433G LP9
2
K A EXPO4
2 100 LTL433G LP8
K A EXPO3
100 LTL433G LP7
2
K A EXPO2
2 100 LTL433G LP6
K A EXPO1
100 LTL16KG LP5
2
K A AUTO
LP4
2 100 LTL16KG
K A PHOT0
100 LTL16KG LP3
2
K A TIMER
100 LTL16KG LP2
2
K A P/S
100 LTL16KG LP1
2
K A INT
14.ELECTRIC CIRCUIT DIAGRAM
14.4 Control Key 2 Circuit (PWA-KEY2)
6 7
14 - 22
8
A
B
C
D
E
F
1/3
8
Nov. 1997 © TOSHIBA