Toshiba 1550 Service Manual page 174

Logic Circuit (PWA-F-LGC) 7/8
1
A
175132-24
J9
1
2
3
4
5
6
7
8
B
9
10
11
12
13
14
15
16
17
18
19
20
21
22
C
23
24
53324-12
J3 1
2
3
4
5
D
6
7
8
9
10
11
12
E
175487-7V
J7 1
2
3
4
5
6
7
F
1
Mar. 1998 © TOSHIBA
2 3
VDD +24V
J5
R1 RXE185
1 2
TNR-MOT
[TNR-MOT]
TNR-FULL
[TNR-FULL]
1
C64
CC0.1/50
2 C DEV-SW
[DEV-SW]
ATS-VREF
[ATS-VREF]
ATS-VIN
[ATS-VIN]
DRM-THM
[DRM-THM]
LED-CN-ON
[LED-CN-ON]
LED-SCK
[LED-SCK]
LED-DAT
[LED-DAT]
LED-LTH
[LED-LTH]
1
C52
CC0.1/25
2 C
ERS-ON
[ERS-ON]
GND DG
+24V VDD
J8
1 2 6712G
DUMMY
[6712G]
E2
+5VE
GNDE
ZC
[ZC]
SSR-
[SSR-]
ACOFF
[ACOFF]
E1
1 2
DG GND
VDD
EXT-SW
[EXT-SW]
SSR+
[SSR+]
TH+
[TH+]
TH-
[TH-]
SSR+1
GND
2 3
HINT
How to search for where a signal in a
circuit diagram has jumped to.
4 5
+24V
VDD
53313-30V
CTR-SIG
1 [CTR-SIG]
CTR-CNT
2 [CTR-CNT]
T-CTR
3 [T-CTR]
4
5
6
7
8
9
GND
DSP-DAT
10 [DSP-DAT]
DSP-SCK
11 [DSP-SCK]
DSP-LTH
12 [DSP-LTH]
DSP-RST
13 [DSP-RST]
DSP-ON0
14 [DSP-ON0]
DSP-ON1
15 [DSP-ON1]
SCN0
16 [SCN0]
SCN1
17 [SCN1]
SCN2
18 [SCN2]
SCN3
19 [SCN3]
SCN4
20 [SCN4]
SCN5
21 [SCN5]
K-RTN0
22 [K-RTN0]
K-RTN1
23 [K-RTN1]
K-RTN2
24 [K-RTN2]
K-RTN3
25 [K-RTN3]
K-RTN4
26 [K-RTN4]
K-RTN5
27 [K-RTN5]
K-RTN6
28 [K-RTN6]
K-RTN7
29 [K-RTN7]
30
VDD +24V
17513222V
SIZ05
1 [SIZ05]
SIZ03
2 [SIZ03]
3
SIZ02
4 [SIZ02]
SIZ01
5 [SIZ01]
6
7
RGT-CLT
8 [RGT-CLT]
9
RGT-SW
10 [RGT-SW]
11
12
13
14
15
16
FED-CLT
17 [FED-CLT]
18
PKUP-CLT
19 [PKUP-CLT]
20
EMP-SW
21 [EMP-SW]
22
GND
4 5
6 7
VDD +24V
53313-22V
MRR-MOT-D
J11 1
MRR-MOT-C
2
MRR24V
3
MRR-MOT-B
4
MRR-MOT-A
5
6
MRR-HOM
7
8
9
AES-VIN
10
11
12
SCN-MOT-D
13
SCN-MOT-C
14
SCN-MOT-B
15
SCN-MOT-A
16
17
LNS-MOT-D
18
LNS-MOT-C
19
20
LNS-MOT-B
21
LNS-MOT-A
22
GND
+24V VDD
53313-18V
J4 1
LNS-HOM
2
3
OPT-FAN-F
4
OPT-F-ON
5
EXT-FAN1
6
EXT-F-ON
7
EXT-FAN2
8
9
10
K-CTR
11
CTR-SIG
12
1 2
13
14
JP1
CRG-HOM
15
16
OPT-FAN-R
17
18
GND
6 7
14 - 7
8
A
[MRR-MOT-D]
[MRR-MOT-C]
[MRR24V]
[MRR-MOT-B]
[MRR-MOT-A]
[MRR-HOM]
[AES-VIN]
B
[SCN-MOT-D]
[SCN-MOT-C]
[SCN-MOT-B]
[SCN-MOT-A]
[LNS-MOT-D]
[LNS-MOT-C]
[LNS-MOT-B]
[LNS-MOT-A]
C
[LNS-HOM]
[OPT-FAN-F]
[OPT-F-ON]
[EXT-FAN1]
D
[EXT-F-ON]
[EXT-FAN2]
[K-CTR]
[CTR-SIG]
[CRG-HOM]
[OPT-FAN-R]
E
F
8 7
8
1550/1560 CIRCUIT DIAGRAMS