Brother International MD-817 Service Manual - Page 65
to.so§
 |
View all Brother International MD-817 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 65 highlights
CP3: OK #7-6 YES CP6: OK #7-7 NO CP4: OK #7-8 NO PH1B pin 6: OK #7-9 NO V (P62) NO Replace HIC6. YES Replace HIC6. YES Replace HIC6 or IC301. YES Replace HIC5. 1 &(P52) #6 CP5: OK OBV: Check pin OBV (CP2) With HIGH VR fully clockwise: Treadle neutral: OV Treadle fully forward: 9.0V or more #6 (CP5) #6 (HIGH) C6-)9 g • :: *.,P._i_ts . 8 5 .. il; AIME1 , .w. 2 ESn ciu i p.,,, AAA AV T.., .... a A "it 56" 14 to.so§..i-at=r--7-1.144.44 :ese 121_ j5„ tglt8 41 C47 2. CI- , cif CAI -0 74856 c22 OBV #7-8 (TRIM or LOW) #7-7 (HIGH) I Ys' r s : ; 7- .. ,r.6.ri.-z:ii. , "":" .... RCA A. . B As. m-14 4 e J R nal 1 = it ^'•..1r=l 0.**-141-aft--7,7:***-Oft • E 2 . r -1.. .,.4.: -----2- i I • ,64 „.. • .7 `"' t.• s's.1". -7_1=1 7:1 1 75'8.37"*" .19e11 51 ii 1 .94 ,4:.,s .r . 5 i.., i $ . . iNell' # LJ_ n fl #7-6 (CP3) #7-7 (CP6) #7-8 (CP4) OBV #7-9 (PH1B-6) #7-6- #7-9 related 0BV: Check pin 0BV (CP2) Treadle neutral Treadle forward CP3:OK #7-6 CP6: OK #7-7 CP4: OK #7-8 -3±1V i i +3+1v HIGH VR must be fully clockwise. I500±50µsec. +6.5±0.5V -8±2V TRIM or LOW VR: at 12:00 position 0-+0,1V +1.0V or more PH1B-6 pin #7-9 0-+0.1V +1.0V or more -61 -
-
1 -
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60 -
61 -
62 -
63 -
64 -
65 -
66 -
67 -
68 -
69 -
70 -
71
-
72
-
73
-
74
-
75
-
76
-
77
-
78
-
79
-
80
-
81
-
82
-
83
-
84
-
85
-
86
-
87
-
88
-
89
-
90
-
91
-
92
-
93
-
94
-
95
-
96
-
97
-
98
-
99
-
100
-
101
-
102
-
103
-
104
-
105
-
106
-
107
-
108
-
109
-
110
-
111
-
112
 |
 |
