Patriot KM-2123 Schematic
VIDEO2 IN
AUDIO2(R) IN
AUDIO2(L) IN
XS402
U201
470
47
47
4.7u/50V
IF
VTVHVL
MB
C212
0.01u
4K7
R217
R213
C211
82
+
0.01u
47u
c206
R214
1.2K
L201
10uH
5V
820P
C317
VL
VH
2SC2383
R734
100
8V
B2 26V
AGC
+
10u
C202
01u
R735
27K
R403
1K8
500V/392P
R314
680
10K
R206
V301
2SC1815
R311
220
X6.5M OR X5.5M
D731
8.2V
R745
1/2W1K
+
35V/47u
C201
R201
150K
BL
R
G
12345
B
2SC1815
R741
C482
V303
1/2W100
100P/500V
V701
C323
50V/47u
2SC1651C
400V/0.047u
12345
XS301
R20947R428
47
+
R320
220
C604
10u
R742
1/2W10K
R413
1/2W1K
L414
37uH
C715
C716
C717
XP901
R483
100K
+8V
+
R325
C422
330
10u
100
R321
C320
10u
+
+
V IN
VCC
1234567
D720
1N4004
C726
+15V
0.033u/CL11
1.6kv/8n2*2
R
G
B
BL
R323
L303
0
10uH
R322
2.2K
Z351
C412
250V/0.39u
T705
C741
33K
R204
c205
0.01u
VL
VH
+
C333
50V/10u
C481
102P
R308
1K
R310
330
C326
10u
+
V710
C742
C751
500V/102P
R760
2W/270
KM-2123PQ
B+ 110V
L-IN V-IN
1234
R-IN
R405 1K
1KR406
R103
4.7K
LED
IR
3
2
PC-PRE
AMP
1
MENU
R970
AV/TV
R971
V-
V+
P-
P+
3.3V
R243
10K
R
1 2
8R/5W
XS601
L
1 2
8R/5W
XS602
1 2
1 2
XS501
C415
10u
+
8V
4.7K
R102
5V
6K8
5.1k
2.7k
R973
1.8k
1.2k
R979 R978
R226
47
C224
102P
123
4
N202
24C08
SDA
SCL
567
8
R237
22
C219
C723
0.01u
68P
GND
VCC
Rout(+)
Rout(-)
123456789
C622
47u/16V
2W/1.0
+
R555
C551
C501
F501
3.15A/250VAC
D501
RL207*4
R501
1/4W33K
500V/102P*4
D503
L501
1/2W220K
B5 11V
R556
V501
2SA1015
C504
C506
6W/3.9R502
R510
5.6K
470u16V
XS502
PT501
MZ73-14
AC250V0.1u
X-TAL
KEY
2W/39
R208
10K
V210
PH2369
C233
L212
33P
10uH
C234
0.1u
C231
33P
X201
12MHz
3.3V
X-TAL
OSC-GND
GND
VOL1
MUTE
R242
56K
56P
C219
C631
16V/10u
Lout(+)
GND
D650
IN4148
R623
10K
N540
PC817
C531
5W/68
R530
2KV/102P
C519
R519
C521
2KV/470P
V505
2SC1710C
2.7K
R525
2W/0.22
C520
153P
R415
10K
R225
3K3
R236
R416
10K
10K
C701A
3.3V
10uH
L211
+
10u
C230
64636261605958575655545352515049484746454443424140393837363534
AV1
AV2
3.3V
Rin
R625
100K
3.3K
100
+
C507
D510
IN4148
SCL
R234
3.3K
GND
R624
10K
C509
R518
FR155
SDA
R235
R231
5V
400V/100u
C515
4
3K3
R233
3.3K
100
5V
Lin
R618
R504R505
D515
R514
153P
RESET
TUNING
NTSC SW
/AC TEST
56789
R226
4.7K
Lout(-)
VOL
101112
V621
C1815
23
1
10K
4
1/2W120K*2
15K
R509
104P
C513
22
R518
IN4148
R512
1K
V503
2SC3807
MUTE
+
D502
D504
7.5C
D514
R520
RCM-IN
STAND BY
123
4K7R204
3.3KR227
R232
C218
68P
N602
AN17521
C505
D517
IN4148
D511
22K
R574
10K/2W
+
C221
50V/4.7u
N210
upc574
BGR`BL
L213
10uH
100u
0.1u
C227
GND
BAND1
10111213141516
R204
3K3
100
C232
100
R333
R335
+
100
R334
R330
3.3V
R-OUT
G-OUT
B-OUT
BLANKING
GND
SECPLL
BAND2
V-8V
DECDIG
+
47u
C333
C332
0.1u
C331
L331
0.22u/CL11
10uH
C334
R205
8V
3K3
C606
10u
+
C607
+
+
+
C624
C557
16V/47u
10u
1KV/470P
T540
C565
5
11
D558
HER207
9
7
2KV/680P
8
2
4
R540
1/2W12M
400VAC/222P
R573
1/2W220K
12
D557
FR155
13
1/4W33K
14
R569
D556
15
FR155
16
C562
1KV/470P
C541
+
D555
FR155
B1 110V
R326
330
R747
33K
R332
R371
22K
10K
R314
470P
C332
V-IN
Y-IN
U-IN
IN SW2
GND
PHL1LF
DECBG
EW
181920212223242526272829303132
17
C339
2.2u/50V
15K
R331
+
+
+
C338
C337
01u/CL11
1u
1/6W33K
C610
153P
3032312928
Cps1
AV1RP2AV2R
10u
AV1L
TVL
CSMO
P1
123
4
N201
OM8371
472P
C336
0.22u/CL11
C335
222P
10u
+
ABCL-IN
PHL2LF
R740
+
C632
+
C608
100u
C550
2200P
+
V541
R553
2SC1815
1/2W100K
VR568
C568
2K
160V/47u
R550
D551
5K6
6.2V
+
B2 26V
C567
R571
35V/47u
R557
1/4W33K
+
2W/68
C563
16V/470u
V552 2SB772
16V/470u
1/4W10K
R558
2W/1.0
R559
R570
1.2K
B5 11V
C556
5K6
10u
C418
2K2
C-IN
AUDIO-OUT
VDRB
VDRA
C312
4.7u/16V
100R722
C611
153P
272526
Cps2
Lout
AV2L
AUDIO
TDA9859
Rout
TVR
VCC
AUDIO
56789
C640
+
47u
8V
0.01uC641
R552
1/2W150K
5V
VD546A
5.1V
+
C552
16V/47u
C208
C207
0.1u/CL11
0.1u/CL11
R209
R207
10K
10K
47
R211
8V
L302
10uH
100u
C330
+
C325
0.01u
+
8V
GND
TV-IN
EXT-IN
IF IN
C554
100
R562
R122
N601
GND GND
R121
R554
1/2W47K
R551
1/4W22K
1/4W27
N551
102P
10K
10K
R561
LM7808
IF IN
C553
101112
C602
68nF
D553
3.3V
102P
R308
C612
68nF
B1 110V
2W/47
TV-OUT
IREF
VSC
RF AGC
C311
0.1u/CL11C313
39K
C613
100n
682P
C614
21
20
222324
Lout
CBL1
CBL2
WOOF
Rout
CBR1
CBR2
WOOF
131415
C601
682P
C603
100n
3.3V
+
C734
16V/10u
+
C743
R563
16V/47u
8V
R215
220
L203
Z301
1.2uH
EHTO
/SIF2
DECSDEM
+
10K
SDA
SCL
10K
10K
IN4148
16V/47u
C215
0.01u
16V10uC314
C213
/QSSO
AUDEXT
GND
C318
R304
0.01u
R733
SNDPLL
4700P
2K7
R613
10K
V620
2SA1015
2K2
V201
FBP-IN
D602
2SC1815
2SC1674
/SIF AGC
V704
33
H OUT
AVL/REFO
+
C315
R617
33K
R172
10K
R220
R212
R211
SAW
390
R312
C324
0.1u/CL11
PLL IF
/SIF1
AUDEEM
103P
C316
3300P/CL11
R614
171819
Lout
CTLCTR
Rout
16
R611
R612
+
C620
8V
V901
BF422
R901
1/6W47
R903
1/6W270
R902
D901
IN4148
1/6W10K
2W/10K
R925
V921
BF422
R921
1/6W47
R924
1/6W270
R922
D921
IN4148
1/6W10K
R915
2W/10K
V911
BF422
R911
1/6W47
R913
1/6W270
D911
IN4148
R912
1/6W10K
D931
8.2V
2K7
R427
V401
R426
N701
LA78040
VCC2
PUMP UP OUT
+
C721
47u/35V
-13V
D702
FR155
-13V
C703
16V/220u
+
+
+15V
D701
C702
FR155
16V/220u
2W/2.2R572
C569
160V/47uF
TH-2986A 彩色电视机电路原理图
2SC1815
150
R305
1K
R304
R905
2W/10K
C901
390P
C921
390P
C911
390P
1K
V OUT
+
+
R904
1/6W47
R923
1/6W47
R914
1/6W47
C421
50V/10u
OUT STAGE
R565
1.2K
D902
R938
1/2W1.5K
1N4148
V902
BF423
R906
1/6W10K
D922
1N4148
V923
BF423
R926
1/6W10K
D912
1N4148
V912
BF423
R916
1/6W10K
R404
1K
R403
NON INV.IN
C723
0.1u/100V
R714
R721
1/4W1.0
1.2K
R749
1K
D735
22V
1W/1.0R703
2W/1.0(F)R704
9
6
5
7
3
10
2
4
T701
1K
R746
2.2K
1/2W1.5K
C707
100V/0.1uF
R928
R918
1/2W1.5K
0.033u/100V
D734
IN4148
HV
FOCUS
SCREEN
1/2W1.5K
8
ABL
C708
CRT DRIVE BOARD
C414
10u
+
C415
+
10u
C416
+
10u
R240
3K9
1W180R708
R743
560K
D704
FR157
R701
R
G
B
D733
C932
1000P/2KV
IN4148
R407
R406
C709
250V/10u
R750
3.3K
D703
IN4148
+180V
HEATER
W404
1/2W220K
+
R551
4.7K
V600
CRT
HV
FOCUS
SCREEN
XP902
GND
1234
Y IN
100
R411R412
Cr IN
100
Cb IN
100
R413
Video1
IN
Audio1
IN(L)
Audio1
IN(R)
C413
Video
+
out
100
100u
1K
Audio
out(L)
Audio
1KR408
out(R)
XS701
1234
HOR COIL VERT COIL
1.2/1W
R702
+180V
HEATER
GND
CRT GND
1234
XS703
8V
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