Schematics 4 Free
Service manuals, schematics, documentation, programs, electronics, hobby ....
◦
register
◦
send pass
S
earch
B
rowse
U
pload
W
anted
D
atasheets
C
hassis2model
R
epair tips
F
ulltext search
C
ables & Connectors
R
epair tips
Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair
Make
Model
Problem
Solution
Date
Found: 4551
Philips
K40
Dead - LOPTr s/c
Dry joints LOPTx
14-09-04
Philips
K40
Dead - no line drive.
R3192 o/c if patterning afterwards check R3191 for o/c.
14-09-04
Philips
K40
Dead.
IC TDA3576B and check for drys on coil L5157.
14-09-04
Philips
K40
Dead.
Drys on LOPTX , R3166 ( 1.5k ) , R3192 ( 680R ) on PCB 1001.
14-09-04
Philips
K40
Display - shows 88 - no results.
IC7101 ( u CMSM8050 )
14-09-04
Philips
K40
DIST PIC , HUM BAR
C2128 100mfd 50v
14-09-04
Philips
K40
E/W DIST
CHECK R3177 ( 1ohm ) , C2164 0.02mfd , 250v
14-09-04
Philips
K40
E/W fault
3177 (12ohm) and 3170 (2k2) were both open circuit
14-09-04
Philips
K40
East west - problems.
R3177 ( 12R ) o/c.
14-09-04
Philips
K40
Field collapse
TDA3650 & 100µ boost cap in field stage
14-09-04
Philips
K40
Flyback lines creeping down screen.
Change 100u f.
14-09-04
Philips
K40
Frame collapse.
Dry or o/c on LOPTX pin 18.
14-09-04
Philips
K40
Gain poor with ringing.
Drys in IF , tweak L5137.
14-09-04
Philips
K40
Int blank raster (int field collapse)
D6107 field fback boost diode int o/c
14-09-04
Philips
K40
Int blank screen & sound
Came right when chassis hinged down, Connector M13 screened cables shorting vid signal
14-09-04
Philips
K40
Int dead
Dry joints chopper tfmr
14-09-04
Philips
K40
Int dead
Dry joints C2165
14-09-04
Philips
K40
LINE JITTER
C2195 1u 63v
14-09-04
Philips
K40
Line tearing at top
C2195 1µ 63v
14-09-04
Philips
K40
LOW TEXT CONTRAST
PRESET R046 2.2K OC TEXT PCB
14-09-04
Philips
K40
MUTES SOUND INT
ON/OFF SWITCH REMOTE CONTACTS INT SC
14-09-04
Philips
K40
No E-W corr at bottom of screen
C2128 1µ5 63v; C2127 150µ 6.3v
14-09-04
Philips
K40
No frame.
Frame IC , plus change 100uf.
14-09-04
Philips
K40
No pic - Field collapse
2R2 safety res o/c; Field chip u/s
14-09-04
Philips
K40
NO PIC LOUD TRUMPETING
D6154 ( BY299 )
14-09-04
Philips
K40
NO RASTER
CHECK TDA3576B TIMEBASE GEN IC
14-09-04
Philips
K40
No remote control operation
Red wire to socket M83 on f/unit o/c.
14-09-04
Philips
K40
NO S/V , BLANK RASTER
C2115 22nf
14-09-04
Philips
K40
No sound unless pins 4 & 5 of TDA120 shorted then full blast
Momentary contacts on on/off sw shorted
14-09-04
Philips
K40
NO TUNING STBY LIGHT ON
IF SET HAS MSM5840H IN 7101 POSITION SUSPECT U1101
14-09-04
page:
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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
FB
-
Links
-
Info / Contacts
-
Forum
-
Last SM download : Fluke 3330B Specification
script execution: 0.17 s