Toshiba 1550 Service Manual page 196
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- Service handbook (63 pages) ,
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17.2.2
1560
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Symbol and Function
of Electrical Parts
Motors
Electromagnetic
spring clutches
Counters
Switches
Heaters and
lamps
PC boards
Transformers
SNR-ATS
Others
ERS
Mar. 1998 © TOSHIBA
79
1
5
81
A
2
4
J11
MRR-MOT
3
3
1
11
1
1
MRR-MOT-D
4
2
2
10
2
2
MRR-MOT-C
3
9
MRR-24V
5
1
3
3
MRR-MOT-B
4
8
4
4
80
3
3
5
7
5
5
MRR-MOT-A
MRR-HOME
2
2
6
6
6
6
GND
1
1
7
5
7
7
MRR-HOM
8
4
8
8
VDD
3
3
9
3
9
9
+24V
PWA-F-AES
2
2
10
2
10
10
AES-VIN
1
1
11
1
11
11
GND
25
82
B
1
6
1
12
+24V
2
5
2
13
SCN-MOT-D
3
4
3
14
SCN-MOT-C
SCN-MOT
4
3
4
15
SCN-MOT-B
5
2
5
16
SCN-MOT-A
6
1
6
17
+24V
7
83
18
LNS-MOT-D
1
5
8
19
LNS-MOT-C
2
4
9
20
+24V
LNS-MOT
3
3
10
21
LNS-MOT-B
4
2
11
22
LNS-MOT-A
5
1
J10
A
531
1
1
MOT-FG
7
2
2
VDD
6
M/DC-MAIN
3
3
MOT-DIR
5
4
4
PLL-OK
1
4
5
5
MOT-BRK
2
3
ACC
6
6
MOT-ON
3
2
J532
7
7
GND
4
1
8
VDD
8
9
EXP-PWM
9
4
EXP-ON
10
10
3
GND
PS-LRG
11
11
2
12
12
1
B
502
1
13
511
2
14
10
3
15
SP-VREF
9
4
16
HVT-SP-ON
8
5
17
HVT-GB-ON
7
6
18
TR-VREF
6
7
19
HVT-TR-ON
PS-HVT
5
8
20
DG
4
9
21
+24V
3
22
G-VREF
10
2
HVT-M-ON
11
23
1
M-VREF
12
24
3
1
75
77A
2
2
11
11
A
J9
TNR-MOT
1
3
10
10
1
1
+24V-TNR
9
9
2
2
TNR-MOT
76
1
8
8
3
3
TNR-FULL
T-FULL-SW
2
7
7
4
4
GND
74
6
6
5
5
DEV-SW
6
1
5
5
6
6
GND
73
5
2
4
4
7
ATS-VREF
7
1
4
3
3
3
+24V
8
8
2
3
4
2
2
ATS-VIN
9
9
3
2
5
1
1
10
10
DG
4
1
6
11
11
DRM-THMS
1
2
90
1
2
12
12
GND
2
1
DRM-THMS
2
1
B
78
1
13
1
11
11
2
14
LED-CN-ON
2
10
10
3
15
+24V
3
9
9
4
16
GNDE
4
8
8
5
17
+5VE
5
7
7
6
18
LED-SCK
DCH
6
6
6
7
19
LED-DAT
7
5
5
20
LED-LTH
8
8
4
4
21
GND
9
9
3
3
VDD
10
22
1
10
2
2
+24V
11
23
2
11
1
1
12
24
ERS-ON
21
77B
ACC
ACC
FG
FG
J523
J524
J3
+24V
1
1
+24V
2
2
3
3
DG
4
4
DG
5
5
VDD
6
6
GND
7
7
+5VE
8
8
GNDE
9
9
ZC
10
10
SSR+1
11
11
SSR-
12
12
ACOFF
J4
VDD
1
1
LNS-HOM
2
2
GND
3
3
OPT-FAN-F
4
4
OT-F-ON
5
5
EXT-FAN1
6
6
EXT-F-ON
7
7
EXT-FAN2
8
8
EXT-F-ON
9
9
10
1
+24V
11
2
K-CTR
12
3
STR-SIG
VDD
13
4
CRG-HOM
14
5
VDD
15
6
GND
16
7
OPT-FAN-R
17
8
OPT-F-ON
18
9
J5
CTR-SIG
1
1
CTR-CNT
2
2
T-CTR
3
3
+24V
4
4
GND
5
5
GND
6
6
VDD
7
7
VDD
8
8
VDD
9
9
DSP-DAT
10
10
DSP-SCK
11
11
DSP-LTH
12
12
DSP-RST
13
13
DSP-ON0
14
14
DSP-ON1
15
15
16
1
SCN0
17
2
SCN1
18
3
SCN2
19
4
SCN3
20
5
SCN4
21
6
SCN5
22
K-RTN0
7
23
K-RTN1
8
24
K-RTN2
9
K-RTN3
25
10
K-RTN4
26
11
K-RTN5
27
12
K-RTN6
28
13
29
14
K-RTN7
30
15
PWA-F-PFU
PFU-MOT
PFU
MY-1004
J521
J88
12
12
J523
1
+24V
11
11
11
2
DG
12
10
10
J524
J89
9
9
1
+24V
11
8
8
2
DG
12
7
7
3
PS-ACC
6
6
J532
J522
5
5
1
1
+24V
4
4
2
2
+24V
MAIN-MOT
3
3
3
3
DG
2
4
2
4
DG
1
1
52
51
3
1
3
2
2
2
LNS-HOME
1
3
1
53
2
1
OPT-FANF
1
2
2
1
EXT-FAN
1
2
54
59
4
3
K-CTR
2
1
58
3
2
CRG-HOME
1
2
1
OPT-FANR
1
2
57
18
60
4
1
15
1
3
2
T-CTR
14
2
2
3
13
3
1
4
12
4
11
5
11
10
6
10
16
9
7
9
8
8
8
7
9
7
6
10
6
11
5
5
12
4
4
3
3
13
2
2
14
1
1
15
14
1
14
PWA-F-PNL
13
2
13
12
3
12
11
4
11
10
5
10
9
6
9
8
7
8
7
8
7
6
9
6
5
10
5
4
11
4
3
12
3
17
13
2
2
14
1
1
61
17 - 3
1550/1560 WIRE
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