Toshiba 4560 Service Manual page 221

1
A
DADAT
[DADAT] 2A2
DACLK
[DACLK] 2A1
DALTH
[DALTH] 2A2
1
C20
0.1/25
2
B
R10
1 2
ATS-IN
[ATS-IN] 11B3
1/10W22K
C11
0.1/50
C
HTRTH2+
[HTRTH2+] 12A3
D
HTRTH2-
[HTRTH2-] 1A6
R60
1 2
1/10W4.7K
HTRTH+
[HTRTH+] 12A3
E
R30
1 2
1/10W3.9K
HTRTH-
[HTRTH-] 1A4
R23
1 2
1/10W4.7K
F
1
4560/4570 CIRCUIT DIAGRAMS
HINT
How to search for where a signal in a
circuit diagram has jumped to.
2 3
D/A8
[AA62353S]
IC46
14 11
DI DO
13 15
HTRVREF
CK AO1
12 2
LD AO2
3
AO3
4
AO4
5
AO5
6
AO6
7
AO7
VDD
10
AO8
9
[VCC]
8
[VDD/U]
1/10W22K
16
[GND]
1
1
[VSS/L]
GND
24V
[AO75358S]
R13
1/10W10K
IC44
8
3
DG
+
1
VCC
2
VEE
-
4
[AO75358S]
1
1
C12
2
0.1/50
2
GND
DG
VDD
R21 1 2
1/10W4.7K
R56 1 2
1/10W3.3K
R55 1 2
1
C31
1/10W3.3K
0.1/25 2
R59 1 2
1/10W3.3K
R61
1 2
C32
1/10W1.5K
GND
0.1/25
VDD
R54
1 2
R34
1 2
1/10W1M
R27
1/10W4.7K
1 2
R32 1 2
1/10W1M
1 1/10W10K
C15
0.1/25
2
[AK7522S]
R25
IC42
1 2
2 4
I1+ O1
1/10W1K 1 3
I1- O1
7 6
I2+ O2
8
I2-
9
[VCC]
R29
1 2
5
[GND]
1/10W3.3K
R24
1 2
C14 1/10W3.9K
0.1/25
GND
2 3
4 5
G/A-WR
[G/A-WR] 1F3
24V
R11
2
IC44
8
5
+
7
6 VCC
VEE
-
4 D0
D1
D2
D3
D4
D5
D6
D[0:7]
D7
[D[0:7]] 6B2
A0
A1
A2
A3
A4
A5
A6
A[0:7]
A7
[A[0:7]] 1A7
VDD
R53
1 2
1/10W1K
R85
1 2
1/10W1K
[HC132]
13
&
11
SSR-
[SSR-]
12 12D5
CSIPC0
]
IC32 [CSIPC0 2A1
WR
[WR] 1A1
HTRDY
1A4 [HTRDY]
RD
[RD] 1A1
HTRDY2
1A3 [HTRDY2]
4 5
6 7
HVMVREF
12C3
HVTVREF
12C3
HVACVREF
12C3
SCN-CHG
10B5
BIASVREF
12C3
ATSVREF
11B3
ATSIN
1A4
VDD
1/10W4.7K *8
[HC245]
IC17
19
G3
1
3EN1[BA]
3EN2[AB]
18 2
I/O0
1 13C8
2
17 3
I/O1
13D8
16 4
I/O2
13C8
15 5
I/O3
13E8
14 6
I/O4
13C8
13 7
I/O5
13E8
12 8
I/O6
13D8
11 9
I/O7
13E8
VDD
1/10W4.7K *8
[HC244D]
IC23
1
EN
2 18
AD0
13C8
4 16
AD1
13D8
6 14
AD2
13C8
8 12
AD3
13D8
[HC244D]
IC23
19
EN
11 9
AD4
13C8
13 7
AD5
13D8
15 5 AD6
13C8
17 3
AD7
13D8
VDD
[HC244D]
IC24
1
EN
2 18
4 16
6 14
VDD
8 12
R141 2 1
[HC244D]
R140 2 1
IC24
19 R139 2 1
EN
1/10W4.7K *3
11 9
13 7
CSIPC
13D8
15 5 WE
13D8
17 3
OE
13E8
GND
14.ELECTRIC CIRCUIT DIAGRAM
14.1 Logic Circuit (PWA-LGC)
6 7
14 - 8
8
A
[HVMVREF]
[HVTVREF]
[HVACVREF]
[SCN-CHG]
[BIASVREF]
[ATSVREF]
[ATSIN]
B
[I/O0]
[I/O1]
[I/O2]
[I/O3]
[I/O4]
[I/O5]
[I/O6]
[I/O7]
C
[AD0]
[AD1]
[AD2]
[AD3]
[AD4]
D
[AD5]
[AD6]
[AD7]
E
[CSIPC]
[WE]
[OE]
F
8/13
8
Nov. 1997 © TOSHIBA