Toshiba 4560 Service Manual page 232

14.3 Control Key 1 Circuit (PWA-KEY1)
1
A
DSPON0
[DSPON0] 3B4
B
LEDAT
[LEDAT] 3B4
LECLK
[LECLK] 3B4
LELTH0
[LELTH0] 3B4
LERST
[LERST] 3B4
C
D
E
F
1
Nov. 1997 © TOSHIBA
HINT
How to search for where a signal in a
circuit diagram has jumped to.
2 3
VDD
R21 1 2 1K
R19
1 2 1K
R18 1 2 1K
R20 1 2 1K
R13
1 2 1K
R11 1 2 1K
R10 1 2 1K
R12 1 2 1K
1 1 1 1 1
2 2 2 2 2
GND
2 3
4 5
R1
1
[AZ7932S]
IC1 R15 1
5
26
SOUT
SI
R14 1
29 25
CK D1
28 24
D2
LATCH
R7 1
22
D3
3 21
D4
STB R6 1
2 20
BE0 D5
19
D6
R4 1
27 17
D7
LAST
4 16
D8
L/R R2 1
15
D9
14
D10
R17 1
12
D11
11
D12
R16 1
10
D13
9
D14
R9
1
7
D15
6
D16
R8 1
30
[VDD]
1
[VSSL] R5 1
8
[VSSD]
13
[VSSD]
R3 1
18
[VSSD]
23
[VSSD]
SGD
4 5
6 7
100
2 LTL16KG K A LP13 FC
2 100 LTL16KG K A LP12 AMS
2 100 LP11
LTL16KG K A O/USER
2 100 LTL16KG K A LP10 O/0
2 100 K LP9 O/1
LTL16KG A
2 100 LTL16KG K A LP8 O/2
2 100 LTL16KG K A LP7 O/3
2 100 LTL16KG K A LP6 APS
2 100 LTL16KG K A LP5 P/USER
2 100 LTL16KG K A LP4 P/0
2 100 LTL16KG K A LP3 P/1
2 100 LTL16KG K LP2 P/2
A
2 100 LTL16KG K A LP1 P/3
14.ELECTRIC CIRCUIT DIAGRAM
14.3 Control Key 1 Circuit (PWA-KEY 1)
6 7
14 - 19
8
A
B
C
D
E
F
1/3
8
4560/4570 CIRCUIT DIAGRAMS