Sony KE-42TS2U Service Manual page 24

1 3
2
be-22
A
AN 5V-3
+5V
L204
1µH
:CHIP
:AL-CP
B
C
be-23
C216
0.1
16V
B:CHIP
be-24
C212
0.01
25V
B:CHIP
D
DIG 5V-2
C205
0.1
L205
16V
1µH
B:CHIP C210
:CHIP
100
6.3V
L202
C201 C204 :AL-CP
68µH
0.1
100
:CHIP
16V
6.3V
B:CHIP :AL-CP
IC201
SI-3025LSA
+2.5V REG
DIG
E
3.3V-2 C206
47
6.3V
VIN VOUT
L208
C203
C271
1µH NC VOUT
0.1
47 2.5
:CHIP
16V 6.3V
VIN GND
B:CHIP
:AL-CP
CTL GND C207
47
C272
6.3V
0.1
:AL-CP
16V
B:CHIP
VIN VOUT
NC VOUT
2.5
VIN GND
F C208
220
CTL GND
35V
C273 :AL-CP
0.1
+5V
IC202
16V
B:CHIP SI-3025LSA
+2.5V REG
G
R204
220
1/10W C211
:CHIP 0.001
B:CHIP C214
R201 0.1
6.8k 16V
H
1/10W B:CHIP
:CHIP
C209
0.01
25V
B:CHIP
Q201
ab-3
2SA1774
AMP
R202
R207
39k
R205 100 1/16W :RN-CP
1/10W
2.2k
:CHIP
1/10W
:CHIP
I abe-15
abe-14
• Divided circuit diagram
J
One sheet of B and Q boards are circuit diagram is divided into three sheets,
each having the code B-a to B-c. For example, the destination
ab1 on the code B-a sheet is connected to ab1 on the B-b sheet.
a b 1
Ref. No.
Circuit diagram division code
4 5 6
AN 5V-3
VEH1
L207
C238
1µH
0.1
VEH2 :CHIP
16V
VEH3 B:CHIP
C237
100 R245
220
6.3V
:AL-CP 1/10W
Q203
:CHIP
2SA1774
RB202
BUFFER
47x4
RB203
RB201 47x4
C218 C220
47x4
0.1
47 C240
16V
6.3V 0.1
B:CHIP
16V
IC205
B:CHIP
MC141627FT
3LINE COMB
C241
36 35 34 33 32 31 30 29 28 27 26 25
0.1
16V
B:CHIP
37 24
D3 TE1
38 D2 TE0 23
39 D1 MODE1 22
40 D0 MODE0 21
41 BYPASS AD CLK 20
42 19
VH D GND
43 D GND NC 18
44 D VCC CLC 17
45 16
FSC CLOUT
2.0
46 N/M VIN 15
0 1.7
47 PAL/NTSC RBT 14
4.9 0.5
48 COMB/BPF RTP 13
2.5
C235
0.1
16V
B:CHIP
C223
47
1 2 3 4 5 6 7 8 9 10 11 12
6.3V
:AL-CP
C236
R213
0.1
100
16V
1/10W
B:CHIP
:CHIP
R223 C233
C228 C230
43k C232 R232 0.1
0.1 1/16W 0.1 0.1 10k 16V
16V
:RN-CP 16V 16V 1/10W B:CHIP
C221 B:CHIP B:CHIP
B:CHIP :CHIP
10
16V
R214
:AL-CP
51
1/16W
:RN-CP
IC206
µPD64083
+2.5V
3D COMB
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12
C225
C202
0.1
100
16V
6.3V
B:CHIP
:AL-CP
31
32
DVDDRAM
33 TEST15
L201
+2.5V
47µH
34 TEST16
TEST17
35
36 TEST18
37 TEST19
38 DVDDIO
C274
0.1 39 TEST20
16V
B:CHIP 40 DGND
R216
1.8k 1/10W :CHIP
41 TEST21
R217
1.8k 1/10W :CHIP
42 TEST22
R218
1.8k 1/10W :CHIP
TEST23
43
R219
1.8k 1/10W :CHIP
44 TEST24
C226
0.1
45 DVDD
16V
C224 B:CHIP
46 AVDD
24p
CH:CHIP
47 XI
C222
24p
48 XO
CH:CHIP
49 AGND
50 FSCO
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
C231 R240
47 15k
C229
6.3V C227 1/10W
0.1
:AL-CP 0.1 :CHIP
16V
16V C239
B:CHIP
C234
B:CHIP 0.1
1
16V
10V
B:CHIP
B:CHIP
RB206 RB205
TP201
IC204 1kx4 1kx4
TC7S04F
FSC
+5V
10
7 8 9
Q204 Q208
2SC4617 2SC4617
BUFFER
BUFFER
R252 Q210
1.2k 2SC4617
C247
1/10W
BUFFER
:CHIP 47
6.3V
:AL-CP
R269 R274
1k 100
1/10W 1/10W
:CHIP :CHIP
C242 C243 R260
47
0.01 220
6.3V 25V
1/10W
:AL-CP B:CHIP :CHIP
R276
100
1/10W
:CHIP
+5V
R265
1k
1/10W
Q211
R255 :CHIP
Q207
1.8k 2SA1774
1/10W 2SC4617
Y BUFFER
:CHIP Y BUFFER
R272 R282
680 6.8k
1/16W 1/10W
R256 :RN-CP :CHIP
Q205 100
2SA1774 1/10W
:CHIP
Y BUFFER
R273
R266 6.8k
820 1/16W
C261
8 7 6 5
R246 1/16W :RN-CP 0.1
100 :RN-CP 16V
1/10W B:CHIP
:CHIP IC208
TC4W53FU
COMP
R262
1 2 3 4
R257 1k R275
33k 1/10W 100
1/10W :CHIP Q209 1/10W
:CHIP 2SA1774 :CHIP
ab-20
C244
C BUFFER
0.01
25V
B:CHIP
Q206
2SC4617
R261 C BUFFER
R248 100
100 1/10W
1/10W R258 :CHIP R271
:CHIP 18k 390
1/10W 1/10W Q214
:CHIP R263 :CHIP DTC144EE
C262
1k 0.1
8 7 6 5
1/16W
16V
:RN-CP
B:CHIP
IC209
1 2 3 4 TC4W53FU
COMP
C260
11 10 9 8 7 6 5 4 3 2 1
1
10V
B:CHIP R283
2.2k
C276
Q216
1/10W
47
2SC4617
6.3V C265 :CHIP
DVDD 100
Y BUFFER
:AL-CP 10
6.3V
TEST26 99
Q213
B:CHIP
2SA1774
TEST25 98
Y BUFFER
C264
AGND 97
0.1
C250 16V
ACI
96 B:CHIP
0.1 R289
16V 4.7k
VRBC 95
B:CHIP 1/16W
:RN-CP
VRTC 94
C251
0.1 16V B:CHIP
AVDD 93
R284
C252
1k
AVDD 92 47 6.3V
1/10W
:AL-CP
C253 :CHIP
VRTY 91
0.1 16V B:CHIP
C254
VRBY 90
0.1 16V B:CHIP
C255 Q212
VCLY 89
0.1 16V B:CHIP 2SC4617
Y BUFFER
AYI
88
AGND 87
AGND 86 C256
0.1 R295
R285
CBPY 85 16V 470
B:CHIP
1/16W 1/10W
AYO 84 :RN-CP
:RN-CP
R286
ACO 83
330
R279 R281
1.5k 1.5k 1/10W
CBPC 82
1/10W 1/10W :CHIP
C257
:CHIP :CHIP
AVDD 81
0.1
16V
R287
B:CHIP
33k
C266 1/10W
C249
0.01 :CHIP
0.1
25V
16V
B:CHIP
B:CHIP
R288
C275 R277
18k
10 680k C263 1/10W
16V 1/10W
0.1 :CHIP
B:CHIP :CHIP 16V
B:CHIP
8 7 6 5 C258
0.1
C245
16V
1
B:CHIP
10V
B:CHIP IC207
RB204 LM1881M
1kx4 SYNC SEP
1 2 3 4
C259 R280
0.1 100
16V 1/10W
B:CHIP :CHIP
(3D COMB FILTER,3LINE FILTER)
11 12
13
ab-21
GND
TP202
ae-25
ab-19
+5V
R296
100
R292
1/10W
560
:CHIP
1/16W
:RN-CP
R293
470
1/16W
:RN-CP
R298
100
1/10W C270
:CHIP 100
10V
:AL-CP
Q217
R294
2SA1774
680
1/16W Y BUFFER
:RN-CP
15k
R301
100
1/10W
:CHIP
R290
1k
1/10W
:CHIP
Q218
2SA1774
C BUFFER
Q215 R299
2SC4617 1k
C BUFFER 1/10W
:CHIP
R291
1k
1/10W
:CHIP
B
- b
B-SS11402<UC.>-B..-P2
15
14
KE-42TS2U(UC) 3-8