EMERSON 3Y03 Service Manual
VOL
POWER
PROG+
PROG-
SW008
RD2
56K
5V(1)
AFT
5V(1)
R032
1.5K
ZD003
3.6V
AV V OUT
IC201 PIN40
V OUT
A OUT
V IN
A IN
F601
!
T3.15A/250V
!
LN
AC110V
SW007
RD3
22K
CN601
PMA64xxM
VOL-
!
M001
SW006
R033
8.2K
R114
220
R625
15K 2W
Q611
2SA966
VR601
2KB(H)
C109
0.01U
9V(2)
9V(2)
R468
15K
3 HEATER
2 GND
1 +180V
W1 W2 W3
1 BO
2 GO
3 RO
4 GND
5 +9V(2)
Q464
2SC1815
R467
1.8K
C507
10u/25V
C438
10UF/50V
C505
0.01U
R466
4.7K
D401
4148
C453
10U/50V
R523
R530
150K/1W
R503
150
10K
INT1GND2EXT3SW4VOL566NF7GND8OUT9VCC
R413
4.7K
R514
15K/2W
Q503
R506
390
C503
150P
D505
1N4148
R502
150
R524
270
Q508
C506
2SC1815
470u/16V
D504
BA158
2SC2482
IC403
LA4285
C448
100U/25V
R508
2K2
R442
100
1U/50V
C451
1000UF/25V
15K/2W
R501
150
C447
220/25V
10
C452
20V
R511
R513
R505
390
2K7 1/2W
R510
2K7 1/2W
Q502
2SC2482
C502
150P
D506
R507
1N4148
2K2
VOL
CPU PIN5
C243
0.047U/M
C203
0.022U
C016
0.1U
R200 470
R209 470
C237 100P
C240 10U/25V
C222 0.01U
C212
470U/16V
R008
100K
C219
0.33U
45B
C216
1U/50V
SAW101
C221
2.2U/50V
C236 100P
C239 0.22U
R255 100
R254 100
R256 100
C217 0.1U
R210
3K3
0.022U
R201
20K
C215
C206
C205
0.01U
100U/16V
5V(2)
R007
100K
5V(1)
R208 47
9V(2)
C207
9V(1)
47U/16V
R211
120
C214
0.01U
5V(2)
9V(2)
IC201
LA76814
1
A OUT
2
FM OUT
3
PIF AGC
4
RF AGC
IF IN
IF IN
IF GND
IF VCC
FM FIL
AFT OUT
BUS DATA
BUS CLOCK
ABL
R IN
G IN
B IN
FB IN
VCC
R OUT
G OUT
B OUT
SYNC
V OUT
RAMP ALC
H VCC
H AFC FIL
H OUT
EXT.A IN
BLACK S.F
VCC V/C/D
EXT.V IN
KILLER FIL
OSD CON
VCO IREF
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
SIF IN
SIF FIL
SIF OUT
APC FIL
FLL FIL
TV OUT
INT.V IN
G V/C/B
V OUT
ACC FIL
XRAL
FSC OUT
APC1 FIL
XRAY
H GND
FBP IN
C245
39PF
54
53
52
51
C241
39PF
50
49
VCO
48
VCO
C209
47
0.47U
46
R225 1K R229 1K
45
C230
44
1U/50V
43
42
C232
41
1U/50V
40
39
C235
38
15P
37
C238
C227
5n6
0.01U
36
35
C228
34
1000P
33
32
31
NC
R213
1K5
30
NC
29
28
R212
R241
4.7K
10K
45.75M
R214
1K
L203
10U/16V
3.579545M
X201
C242
0.001U
C246
R243
1K
L241
15UH
0.01U
R233
390
C247
C224
0.47U/50V
0.001U
5V(2)
C231
0.1U
CN301B
FROM CN301
AV V IN
D221 IN4148
AV V OUT
CN201B
FROM CN201
C233
R221
R222
10K
22K
5V(2)
R512
15K/2W
R515
390
C501
150P
SPEAKER
16R 3W
SPEAKER
16R 3W
2K7 1/2W
Q501
D507
1N4148
R509
2SC2482
V501
1000P/2KV
R504
2K2
CRT
EHT
C504
CRT PCB
ABL
R301
47K
C325
100/16V
D301
BA158
C304
220U/50V
IC301
!
C328
100U/16V
R308
2.7K 1/2W
0.0022U/1KV
R327
2.2 2W
C324
0.47U
R318
100K
C323
1U/50V
R324
3.9K
9V(2)
C309
1122334455667
R303
5.1K
2200U/25V
25V
C322
560P/500V
9V(2)
C326
C320
220U/16V
R330
1.5K
R306
5.1K 5W
T301
C310
0.056U/250V
R309
1K 1W
IC302
LA7809
123
22 1/2W
!
47U/50V
R310
R311
180 1W
C301
R620
150K 1/2W
R316
3.9/2W
C313
.0047/2KV
Q302
2SD2499
!
680P/500V
BA158
C318
680P/500V
D310
BA158
C314
.0076/2KV
R237
R235
560K
5K1
R331
1K5/1W
L301
CN302
CN301
3
2
1
!
!
!
C327
0.1U
C317
D304
R326
270 2W
T302 FBT
4
1
C312
D306
1U/250V
BA157
C311
R315
0.47U 250V
!
!
22K 1W
R317
0.68 2W
44UH
2
SCREEN
TITLE:
3Y03-UL DIAGRAM (Mono)
P/N:
DATE:
FOCUS
NTSC M
2001-12-21
R322
0.68 2W
7
3
8
R207
10
C302
680P/500V
6
D305
BA158
C303
10U/250V
0.056U/M
R236
1K
680
C308
5V(2)
SYSTEM:
LA7840
7
R319
15K
R329
10K
R320
1.2 2W
B+
Q301
2SC2482
R307
100
V-SYNC
1U/50V
0.033U/M
V-IN
C315
R340
5.1K
C316
IC004 33V
B+
33V
POWER
20V
IC601
L7805
C620
10U/50V
R626
0
R628
22
R632
10K
Q609
78L09
IC203
L7805
R644
100K/2W
5V(1)
C630
0.01U
5V(2)
9V(1)
R630
10K
NC
SCL
SDA
ADD
RFAGC
R103
123456789
120K
C104
L101
100UH
4.7U/50V
R102 100
R101 100
R107
33K
5V(2)
R002
5V(1)
R043
10K
R065
4.7K
Q008
2SC1815
AR OUT
R437 10K
R438 10K
R436 10K
R439 10K
12
1
2
OCP/FB
C614
1000P
C010 0.01U
R037 10K
R036 10K
10
AI311AI0
CONB
220U/200V
R022
22K
R021 33K
C007
15P
C008
15P
C014
4.7U/50V
9V(2)
9
CONA
8
R605
2M2
R608
2M2
4K7
R001 10K
R013
4.7K
C004
220P
C005
100P
X001
32.768K
Q007
2SC1815
R465
10K
IC401
HEF4052
L602
R610
680
R603
0.22/1W
D605
4148
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
D201
1N4148
AV/TV SW
C608
0.001U/2KV
Q601
2SC2482
R604
0.22/1W
WRITE
IDsecam
IDscart
VOL
COB.F
POWER
TUNE
GND
XTF1
XTF2
VDD
KEY
AFT
PGCin
OPT
RESET
FIL
OPTselect
Vsyn
Hsyn
V-SYNC
Q462
2SC1815
IC001
LA8633XX
L601
R613
FB
47/0.5W
R612 15K
ZD602
15V
BA158
D609
C610
IN4148
100UF/35V
D604
IN4148
R643
1K
M_TRAP
REMOTE
BALANCE
IICDATA
H-SYNC
4.7UF/160V
D611
0.1U/63V
SAFTY
IICCLK
MUTE
S_VHS
DATA
V_L
V_H
UHF
AV2
AV1
CLK
BLK
C623
C611
3
CR1
0.022U
2
1
RD11
RR1
1
LED
1K
Q003
2SA1015
5V(1)
VOL+
MENU
SLEEP
SEARCH
AV/TV
R067
24K
C009
SW005
SW004
SW003
SW002
RD5
RD4
RD6
6.8K
11K
RD83KRD7
4.7K
4.3K
SW
Q006
2SA1015
C011
R034
0.01U
4.7K
R038
1M
SW001
RD21
16K
RD9
2K
RD21 15K
CN001 PIN3
5V(1)
R039
100
C013
0.022U
330U/16V
C001 0.01U
C012
2.2U/50V
5V(1)
5V(2)
VOUT
C435
10U/50V
R450
75
C601A
!
C602
.22/250V
!
L601
DEG.COIL
!
.0047
C601D
.0047
R602
4R/5W
!
CN602
R601
PTC
12
T601
!
9V(2)
R446
10K
9V(2)
D601A
D601D
R607
39K/3W
Q402
2SC1815
C431
47U/16V
1N5397 X4
!
R226
2.2K
AR-OUT
!
D601B
Q221
2SC1815
J147
1K
R719
1K
AR-IN
R440
100
13
15
16
AI114AI2
VDD
ACOM
BI01BCOM3BI34BI15INHBIT6VEE7GND
BI2
2
!
C607
D601C
STR-G6653
4
BLOCK
5
CONTROL
3
IC602
SD
B
G
R
R609
47
R611
2K2
VCC
C111
0.01U
C110
330U/16V
R463
10K
VCC
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
D610
BA158
0.0033/100V
NC
33V
5V(1)
T603
680P/500V
D602
IN4148
C609
IC603
33V
5V(1)
R051 100
R052 100
C605
IF1
10
R050 9K1
R240
100K
IF2
TUNER
11
C108
1U/50V
R049 4.7K
R048 4.7K
D010 1N4148
D009 1N4148
D008 1N4148
D007 1N4148
R7125K1
3
!
1 7
4
5
6
!
C613
0.0022U/250V
!
C107
0.01U
C114
1
2
3
4
330
330
330
0.01U
R110
47
AV1/2 SW
AV/TV SW
BLK
OSD-B
OSD-G
OSD-R
R109
270
Q101
2SC2717
AFT
OSD-R
OSD-G
OSD-B
BLK
L102
0.82UH
CN201
R108
5.6K
R105
0
R111
1K
R047 4.7K
R046 4.7K
IC002
24C04
8
7
6
5
R031
R030
R029
R7115K1
R7091K
R710
5K1
V-IN
Video in
IC201 PIN42
C615
C321
680P/500V
100U/160V
C616
100U/160V
D607
R618
BYW36
C641
FB
9
R619
FB
10
11
D608
BA158
12
C619
680P/500V
C612
0.1U
Q602
2SC1815
680P/500V
D640
BA158
C617
2200U/25V
R642
1.2K
C640
1000U/25V
C642
0.01U
R621
0
C621
0.01U/50V
R629
10K
R653
BA158
C618
470U/25V
R645
1K
ZD601
3V9
R646
3K9
2SC1815
Q610
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