The components identified by thesymbol and shading are
critical for safety. For continued safety replace safety ciritical
components only with manufactures recommended parts.
2.SPECIFIED VOLTAGE AND WAVEFORM VALUES
The voltage and waveform values have been measured under the
following conditions.
(1)Input signal: Colour bar signal
(2)Setting positions of
each knob/button and
variable resistor
(3)Internal resistance of tester
(4)Oscilloscope sweeping time
(5)Voltage values
Since the voltage values of signal circuit vary to some extent
according to adjustments, use them as reference values.
Composition resistor 1/2 [W] is specified as 1/2S or Comp.
(2)Capacitors
Capacitance value
1 or higher: [pF]
less than 1
Withstand voltage
No indication: DC50[V]
Others: DC withstand voltage [V]
AC indicated
Electrolytic Capacitors
47/50[Example]: Capacitance value [µF]/withstand voltage[V]
: [kΩ]
: [MΩ]
: Carbon resistor
: Oxide metal film resistor
: Metal film resistor
: Metal plate resistor
: Uninflammable resistor
: Fusible resistor
: [µF]
: AC withstand voltage [V]
(7)Ground symbol
: LIVE side ground
: ISOLATED(NEUTRAL) side ground
: EARTH ground
: DIGITAL ground
5.NOTE FOR REPAIRING SERVICE
This model's power circuit is partly different in the GND. The
difference of the GND is shown by the LIVE : ( ) side GND and the
ISOLATED(NEUTRAL) : ( ) side GND. Therefore, care must be
taken for the following points.
(1)Do not touch the LIVE side GND or the LIVE side GND and the
ISOLATED(NEUTRAL) side GND simultaneously. if the above
caution is not respected, an electric shock may be caused.
Therefore, make sure that the power cord is surely removed from
the receptacle when, for example, the chassis is pulled out.
(2)Do not short between the LIVE side GND and ISOLATED(NEUTRAL
side GND or never measure with a measuring apparatus measure
with a measuring apparatus ( oscilloscope, etc.) the LIVE side GND
and ISOLATED(NEUTRAL) side GND at the same time.
If the above precaution is not respected, a fuse or any parts will be broken.
Since the circuit diagram is a standard one, the circuit and
circuit constants may be subject to change for improvement
without any notice.
NOTE
Due improvement in performance, some part numbers show
in the circuit diagram may not agree with those indicated in
the part list.
When ordering parts, please use the numbers that appear
in the Parts List.
18 4.4
19 4.4
20 4.4
IC702
1 0
2 0
3 0
4 0
5 4.8
6 4.7
7 0
8 5
IC703
1 0
2 5
3 5
IC704
1 12.5
2 0
3 4.7
IC852
1 15.6
2 8.8
3 0
IC853
1 7.9
2 4.9
3 0
IC860
1 0
2 2
3 4.9
4 0.8
5 4.9
6 4.7
7 0.2
8 0
9 4.9
10 0
11 4.9
12 0.2
13 0
14 4.9
15 0
16 4.9
Q001
E 0
C 3.9
B 0
Q101
E 1
C 8.8
B 1.7
Q131
E 2.2
C 0
B 1.6
Q161
E 2
C 5.7
B 2.7
Q211
E 3.7
C 8.8
B 0
Q232
E 0
C 0.9
B 0.1
Q233
E 3.3
C 8.8
B 4
Q352
E 8.1
C 8.8
B 9
Q353
E 0
C 9
B 0
Q621
E 0
C 0.2
B 0
Q622
E 0
C 0.2
B 0
Q623
E 10.3
C -0.9
B 10.4
Q625
E 0
C 19.3
B 0
Q641
E 0
C 1.3
B 0.1
Q642
E 0
C 0
B 0.7
Q701
E 3.7
C 2.4
B 3
Q861
E 0
C 4.9
B 0
TU001
1 3.9
2 0
3 4.8
4 3.7
5 3.9
6 4.7
7 4.8
8 0
9 31.4
10 0
11 0
2 27.9
3 2.5
4 0
5 14.5
6 28.3
7 2.6
IC911
1 130.5
2 0.1
3 0
4 18.3
5 1.7
IC921
1 134.7
2 13.1
3 0
Q501
E 0
C 58.7
B 0.4
Q511
E 0
C -0.1
B 133
Q531
E 0
C 9.8
B 0
Q532
E 9.9
C 0
B 9.8
Q541
E 5
C 0.5
B 4.4
Q542
E 5
C 0
B 4.4
Q543
E 0
C 19.3
B 0.6
Q560
S 24
D 92.6
G 23.7
Q561
E 0
C 1.1
B 0
Q951
E 0
C 0.6
B 1.3
Q971
E 134.6
C 0
B 134.2
PC560
1 1.1
2 0
3 24
4 23.7
PC921
1 14
2 13
3 1.7
4 16.6
Q501-B
(V)
p-p
0.9 Vp-p
Q501-C
(H)
110 Vp-p
Q511-B
(H)
2.2 Vp-p
Q511-C
(H)
1150 Vp-p
Q543-B
(H)
0.08 Vp-p
Q543-C
(V)
16 Vp-p
T502-2
(V)
95 Vp-p
T502-4
(H)
30 Vp-p
T502-6
(H)
260 Vp-p
T502-7
(H)
17 Vp-p
T502-8
(H)
(H)
80 Vp-p
(No.YA095)2-8
Page 10
A
V SELECTOR PWB CIRCUIT DIAGRAM
VIDEO-1
VIDEO-2
10K
Y1
10/50
75
.0
V1
L1
R1
L2
R2
75
75
220K
2.2/50
2.2/50
220K
2.2/50
220K
220K
2.2/50
OPEN
C1
V1
OPEN
SIDE
CONTROL
PWB
*1
10K
AV SWITC
Lout2
NC
NC
Rout2
Det_i
NC
Det_select
100
100
10/50
100
10/50
100
100
10K
15K
100
100
100
100
*6
V3
V_GND
L3
A_GND
R3
NC
LinTV
*6
OPEN
OPEN
OPEN
OPEN
OPEN
*6
OPEN
OPEN
RinTV
*6
VinT
*6
LinV
RinV
VinV
*6
LinS
OPEN
Y/VinS
*6
RinS
OPEN
CinS
*6
*6
LinS
Y/VinS
RinS
CinS
15K
AHS_MODE
10K
AHS-ON/OFF
10K
A_MUTING
10K
( V1)
( V4)
( VTV)
( V3)
( V2)
( TV*COMP02)
Vout2
NC
10K
05
( BBE_SW)
LoutTV
NC
RoutTV
NC
Vout
Lout1
Yout
Rout1
Cout
RinV
( S1)
LinV
VinV
Address
Sync_out
SDA
SCL
GND
47/25
Vc
.0
Ci
.0
OPEN
Yi
10/16
OPEN
100
*6
NC
100
100
04
10K
AUDIO OUT
220
82K
220
82K
22K
22K
22K
220
220
.47/50
22K
10/50
AV SELECTOR PWB ASS'Y
SGW-5001A-M2
.47/50
OPEN
*6
OPEN
*6
2.7K
*1
OPEN
10/50
100
2.7K
*1
100
V2
GND
VT
GND
EXT.COMP
GND
GND
GND
COUT5VYOUT
AHSSW
AHSMODE
MTS_ADJ
5V
9V
9V
NC
9V_GND
9V_GND
MAIN PWB (1/2)
GND
GND
GND
GND
FS
SCL
BBESW
5V_GND
5V_GND
A_MUTING
GND
MP
SDA0
2-9(No.YA095)
Page 11
DC (V
)
MODE
DC (V
PIN NO.
41 8.2
42 4.3
IC5701
1 NC
2 NC
3 NC
4 NC
5 NC
6 0.4
7 0.4
8 0
9 NC
10 NC
11 0
12 0
13 0
14 4.3
15 4.2
16 4.9
Q5001
E 4.7
C 0
B 4
Q5002
E 4.7
C 0
B 4
Q5211
E 5.9
C 8.8
B 6.6
Q5212
E 5.2
C 8.8
B 5.9
Q5251
E 2.4
C 8.1
B 3
Q5252
E 8.8
C 3.9
B 8.1
Q5253
E 3
C 0
B 2.3
Q5261
E 3
C 0
B 2.3
Q5262
E 2.4
C 8.1
B 3
Q5263
E 8.8
C 3.9
B 8.1
Q5384
E 0
C 0
B 0
Q5385
E 0
C 0
B 0
Q5386
E 0
C 0
B 0
Q5387
E 0
C 0
B 0
Q5501
E 8.8
C 1.7
B 8.8
Q5901
E 8.8
C 0
B 8.8
Q5902
E 0
C 0.1
B 0.1
Q5903
E 8.8
C 0.1
B 8.8
Q5904
E 0
C 0
B 0.1
Q5905
E 0.1
C 8.8
B 0.4
Q5906
E 0
C 8.8
B 0.4
Q5907
E 0
C 8.8
B 0.4
Q5908
E 0.1
C 8.8
B 0.4
Q3103
E 3.3
C 11.9
B 0
Q3107
E 132.6
C 69.9
B 132.2
Q3108
E 4.5
C 69.5
B 5.1
Q3109
E 2.2
C 4.1
B 2.8
Q3304
E 1.5
C 160.5
B 2
Q3305
E 1.6
C 159.8
B 2
Q3306
E 1.6
C 156
B 2.1
Q3351
E 11.8
C -1
B 11.9
)
1.2K
56K
56K
1.2K
Q3304-C
82
10
10
82
330
100/6.3
10
390
150p
10
100/10
330/10
NOTE
*1
CHIP PNP Tr 2SA1530A/QR/-X OR 2SB709A/QR/-X
:
CHIP NPN Tr 2SC3928A/QR/-X OR 2SD601A/QR/-X
:
*3
CHIP PNP D-Tr UN2112-X OR DTC124EKA-X
:
*4
CHIP NPN D-Tr UN2212-X OR DTC124EKA-X
:
*5
SI DIODE 1SS133-T2
:
*6
ZENER DIODE MTZJ9.1C-T2
:
*7
ZENER DIODE MTZJ5.6A-T2
:
*8
SI DIODE RGP10J-04TS-T3 OR RGP10J-5025-T3
:
*9
SI DIODE
:
*10 : PNP TE 25A933AS/QR/_3
1SR35-400A-T2 OR 1N4003-T2
CRT SOCKET PWB ASS'Y
SGW-3001A-M2 : AV-30W475/S
100 Vp-p
(H)
BW
:*2BUS WIRE
NON-MOUNT( OPEN)
:
X
:
SAFETY PARTS
!
00 RESISTOR
:
*
DIFFERENCE PARTS
:
Q3305-C
95 Vp-p
Q3306-C
(H)
(H)
120 Vp-p
SGW-3002A-M2 : AV-30W475/Y
(No.YA095)2-12
Page 14
SIDE CONTROL PWB CIRCUIT DIAGRAM
F
V3
V3_GND
AV
PWB
L3
A_GND
R3
0OPEN
SELECTOR
10/50
2.2/50
VIDEO-3
OPEN
75
OPEN
OPEN
220K
OPEN
MAIN PWB
(1/2)
CHXJIM00033
KEY
STB_5V
GND
2.2/50
1K
OPEN
1K1.5K2.7K5.6K
SIDE CONTROL PWB ASS'Y
SGW-6001A-M2
220K
OPEN
OPEN
CH-CH+VOL-VOL+
MENU
2-13(No.YA095)
Page 15
FRONT CONTROL PWB CIRCUIT DIAGRAM
MAIN PWB(1/2)
MODE
PIN NO.
FRONT CONTROL PWB ASS'Y
SGW-7001A-M2
OR DTA124EKA-X
47/25
POWER
100
NC
560
1.5K
100
LED HOLDER:
LC30190-001B-A
IC7701
1 4.9
2 5
3 0
Q7702
E 5.6
C 5
B 0
DC (V
)
(No.YA095)2-14
Page 16
V
R538
5
R
R764
HS00
PATTERN DIAGRAMS
MAIN PWB PATTERN
FRONT
Y613
C649
IC641
R648
R641
C644
R643
R649
HS001
C642
R644
Y641
C648
C636
W632
R635
Q626
CN001
R284
C360
C641
C643
R646
Q641
R631
Q625
R634
C871
R283
C392
Q642
C628
C627
R739
W17 W19
R303
Y642
R645
Q621
R869
R868
R871
R286
R302
C647
C646
C645
C635
IC621
R630
R872
W246
W445
C435
R301
R642
D623
R866
W465
W466
C402
C244
D628
Y607
W455
R429
C203
W601
C632
R867
Q861
C868
R281
W508
R870
W229
R287
R202
R647
C624
R318
W682
C631
C630
R816
R702
W491
W432
C866
W450
W449
D626
W683
R623
W631
C629
C201
W630
R626
C637
IC860
R821
W661
D624
R874
D860
C867
C815
W674
C660
R636
R865
R811
W230
W673
W460
R621
R622
C623
C661
C626
W248
C864
C865
W686
W671
W498
W672
W663
R658
D625
R704 R705
R708 R709
R657
R656
W640
W267
W662
C861
W272
W413
C662
R875
R873
R864
W203
W639
W435
W433
R706
W218
C659
C638
R716
R655
Q622
R637
Y606
D603
Y604
C863
C862
Q860
C860
W451
C703
W228
W217
C621
C640
C622
SS
LC602
R860
W649
R862
R863
W264
R861
R701
R721
C639
Y652
LC603
L701
D705
W204
R718
IC702
R625
C634
D602
C625
D703
R652
C633
Y605
C602
R624
C603
C604
W656
R707
D723
R628
R603
Y603
R602
R732
R651
Q623
W121
W120
IC703
R733
R627
B
W255
Y602
C728
W655
R731
W210
Y651
R659
W650
W424
C807
C652
W660
W457
C705
C709
D704
W428
L704
IC651
C651
C658
C657
W471
W219
D621
Y701
C704
X701
R734
Y601
LC601
D601
C601
B
W468
W470
L702
C700
R700
R729
L705
R772
C857
R654
R653
W675
CN007
R601
C708
W273
W417
C853
C656
C655
C702
IC201
C712
W612
J601
W434
R113
L703
W473
R111
C106
C124
C283
R827
Q701
W654
R858
R117
R112
R295
W31
W265
C282
IC852
C120
R115
K101
W668
R294
W610
HS007
R855
W161
C119
R288
C711
R769
R740
W420
R857
C856
IC853
R134
CF131
W669
R290
R282
C391
HS008
IC704
C131
R133
R132
R291
D308
C854
R116
C107
R120
R122
R292
C285
C281
W626
L241
D309
W302
R135
R131
C288
C284
W222
C243
R306
D310
W414
D855
C701
R121
R123
W664
R289
W15
L391
W213
W665
C286
W416
W412
Q131
C114
C113
C202
W923
R169
L131
R298
R305
C165
C167
T111
W651
W644
R168
C116
SF101
R297
R201
R304
W216
W419
C851
IC851
HS006
W643
R296
C302
R227
R859
R958
C104
W642
R319
R353
R165
IC101
R161
W206
R839
C241
C242
Q353
C852
CF161
C102
C161
R103
R217
W657
C222
W13
W227
C354
C221
R352
R358
CN004
W607
D952
C951
R167
L161
R171
C163
R164
C162
W220
R940
Q161
R163
C164
L101
L232
D354
C355
R355
R856
W423
R166
C166
R237
W499
Y101
C103
R215 R216
R359
W422
C287
C234
B
D353
Q352
R105
R104
Q101
W215
R957
R354
W658
R212
Q232
D305
TU001
R005
R101
Q211
R243
C237
R293
Q233
C233
D306
W605
C212
W444
R356
D307
R102
C105
C352
W606
T951
W645
W637
R238
W11
D955
C101
W421
D352
R939
C952
R006
C211
C007
W477
R008
W670
C006
C002
W464
W235
W233
W636
E3
D954
R009
R003
C005
CF001
W653
W652
R231
D956
W262
R004
L001
R241
R531
Y905
C003
E4
W447
W406
C001
C223
R999
D957
W638
W442
R998
C997
W260
W258
C004
R564
W410
R563
W443
Q001
C433
R562
W6
W436
W237
Q561
C903
R767
D709
R431
W615
R766
R546
R765
Y494
R
5
W437
2-15(No.YA095)
Page 17
R767
R431
7
61
R766
R546
R765
Y494
R543
R764
R544
HS005
R538
C403
W409
D423
Q531
R421
C440
W411
R533
D706
D534
R432
PC560
Q541
R547
C533
C430
R433
W448
R534
W492
R548
Q532
D535
D708
Q543
W634
D707
W403
IC421
C422
R561
R545
R549
Q542
R532
CAUTION :
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
T
REPLACE ONLY WITH SAME TYPE AND RATED FUSE(S)
AND ROHM'S MFR'S TYPE CP(S).