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MT1120SSM
Schematic
30 pgs1.64 Mb0

Memorex MT1120SSM Schematic

MT1120S
SERVICE MANUAL
COLOR TELEVISION RECEIVER
ORIGINAL
MFR’S VERSION E
Design and specifications are subject to change without notice.
PRINTED CIRCUIT BOARDS
MAIN/CRT (CHIP MOUNTED PARTS)
SOLDER SIDE
R519
R512
R513
C129
R518
C121_1
IC101
R115
R126
R134
R119
C103
C130
R116
R106
Q701
R749
R109
Q702
C117_1
C116_1
W814W808
C359_1
R104
W843
W033
C351_1
R121
Q351
R128
C363_1
C358_1
R120
Q352
C651_1
C647_1
W159
33
17
IC601
49
1
IC852
Q610
C623_1
W165
R406
C411_1
Q706
W164
Q851
Q705
Q707
Q852
F-3
F-4
ABC D E F GH
MICON/TUNER SCHEMATIC DIAGRAM
AGC
TP001
JWF-50K-1
R102
C128
560
220P B
W801
(MAIN PCB)
560
560
R124
4.7K
R104
R103
C127
220P B
SW106
SKHVBED010
14/20 POWER
R101
8
FROM/TO CHROMA
AGC
TUNER+5V
IF
SYNC
I2C_OFF
Y_VIDEO
VD
HD
OSD_R
OSD_G
OSD_B
OSD_BLK
GND
7
6
5
POWER
AT+5V
AFT
SCL
SDA
RESET
FROM DEFLECTION/CRT
X-RAY
FROM TV POWER
+B
FROM/TO SOUND AMP
SDA
SCL
4
3
AUDIO_MUTE
TO AV
AV1
AV2
EXT_MUTE
R126
560
SW107
20 VOL DOWN
SKHVBED010
SW103
20 VOL UP
SKHVBED010
2.7K
R128
560
W837
20 CH UP
SW105
SKHVBED010
SW104
14 CH UP
20 CH DOWN
2
SKHVBED010
8
ACCESSORY
TM101
RC-DW040
7
6
OS101
PIC-28143SY-2
5
GND
B+
Vout 123
C123
1016V KA
R131
47 1/4W
R115
47K
C125
0.01 F
4
3
2
R109
4.7K R116
R117
4.7K
2
5.2
R110
47K
0.150V KA
C124
C103
R134 10K
C130
100P CH
C122
R130 1K
C121_1
150V KA
200P CH
C120
0.001 B R133
1.5K
R129
680K
1
2
3
X101
CSTS0800MG03-T2
R135
4
1K
5
0
5
0.1 F
3.2
0
0
0
5
5
C129
4.2
NC
5.6
2.2
0.8
3.6
CH
220P
0
1
3.9
4.4
0
10K
IC101 OEC7044C
110111213141516171819 22021
P50/H.SYNC
P51/V.SYNC
3
P00/EXT MUTE
4
P01/I2C_OFF
56789
P02/AUDIO MUTE
P03/(Surround)
P04
P05/(Center_SP)
INT2/P.FAIL
INT1/REMOCON
P23/SYNC
P24
P25/ON_TIMER
AVCC
HLF
V.HOLD
CVIN
CNVSS
Xin
Xout
MICON IC
OUT1/BLANK BL
P10/DEGAUSS_H
AD1/X_RAY_TEST
C119
0.1 F C118
4706.3V YK
RED R
GREEN G
BLUE B
P20/AV2
P21/AV1
P22/POWER
SCL1
SCL2
SDA1
SDA2
X-RAY
AD4/AFT
AD5/KEY1
AD6/KEY2
RESET
OSC1
OSC2
VCCVSS
4.8
4.8
4.8
40 41 42
0
0
5.2
5.2
NC
5.2
NC
5.2
NC
NCNC
30 31 32 33 34 35 36 37 38 39
0
2.8
5.2
5.2
5.2
3.6
4.4
5.2
22 23 24 25 26 27 28 29
R137
R107
R112
2.2K
R113
2.2K
10K
2.7K
14 15
L101
TU001 ENV56D66G3
BTL
IF
9
11
10
NC
0.0
0.0
30.0
C004
D001
0.022 F
R001_1
33K 2W
3
R132 47K
R127 47K
R105 3.3K
C117_1
47P CH
R106 3.3K
C116_1
47P CH
C114
C115
10P CH C113
3.3uH
10P CH
BPL 7
8
NC
0.0
5.0
HZ30-3L
0.68 TF
V.S
SCL
SDA
4
5
6
NC
C001 0.01 F
5.0 5.0
0.0 0.0 0.0 0.0
1.3
5.0
5.0
R006 270
R007 270
C002 4706.3V YK
R123 4.7K
R122 4.7K
R121 4.7K
R120 4.7K
R114
220
R111
220
0.0
5678
SCL
SDA
E2
VSS
ADRES 3
NC
C003
R119
0.022 F
MODE
E1
2
NC
6.2
4.750V KA
1K
C101
5.0
1234
4.6
VCC
E0
AGC 1
12 13
IC199
MEMORY IC
S-24C02BDP-1A
PCB010 TMX474
1
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY
ARESINCE THESE PARTS MARKED BYCAUTION:
DANGEREUSES AN POINT DE VUE SECURITE N’UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES
ETANTLES PIECES REPAREES PAR UNATTENTION:
DEFLECTION SIGNAL TUNER VIDEO SIGNAL R.SIGNAL G.SIGNAL B.SIGNAL
1
ABC D E F GH
G-2G-1
8
7
6
5
4
3
2
ABC D E F GH
CHROMA SCHEMATIC DIAGRAM
(MAIN PCB)
REG
CC003
0.01 F
47K
C638
0.4750V KANP
D605
C613
1TF
C653
0.1 F
R645
10
C655
0.2250V KA
R647
100
C651_1
100P CH
L608 6.8uH
C650 220P B
R637 1K
10
R617
2.7K
D608 MTZJ12B
D609 MTZJ12B
D606 MTZJ12B
R616
82
FROM TV POWER
AT+10V
6
R623
120 1/4W
L607
R622
R621
CF604
TPS4.5MB
15uH
220
L606
100P CH
1uH
2.3
2.2
NC
3.6
3.2
8.8
2.8
2.6
2.6
2.8
2.6
1.5
2.2K
C620
C631
0.01 F
R615
470
R650
C636
0.01 F
49
50515253545556575859
AUDIO BYPASS
EXT AUDIO IN
FM DIRECT OUT
VIF VCO F/B
VREG Vcc
VIF APC FILTER
VIF VIDEO OUT
0
VIF GND
0
AFT OUT
6061626364
QIF IN
2
RF AGC OUT
RF AGC FILTER
VIF Vcc
1 10111213141516
2
1.6 55 2.6 4.8 6.4 6.4 0 0 5 5 5 5 2.8 2.5 2.6
R652
C634
18
0.01 F
C658
22006.3V YK
C601
L603
0.0068 M
100uH
C644
3
10010V YK
1.8K
Hi Vcc
H VCO F/B
10006.3V YK
R636
46 SW REG CONT 47 LIMITER IN 48 IF AGC 49 QIF OUT
64 VIF IN
1 VIF IN
SCL
5
C639
0.01 F
R624 2K
100
R613
BUFFER
4.3
Q603
2SD734
5.5
3.8
CF603
SFSH4.5MCB
TO SOUND AMP
STEREO+5V
AUDIO_DET
AUDIO_DET
TP601
JWF-50K-1
FROM/TO MICON/TUNER
IF G.OUT
Y_VIDEO
AT+5V R.OUT
SYNC
TUNER+5V CLAMP
RESET
AFT AGC GND
HD POWER OSD_B
OSD_BLK
OSD_G
VD OSD_R
I2C_OFF
SDA SCL
C656
2SC2412K
2.250V KA
BUFFER
Q610
2.9
8.9
2.3
R643
1.2K
R640
470
R632
100 1/2W
W840
R611
10K
C623_1 120P CH
R618 10M
D602
D601
1SS133
C621 0.01 F
C626 0.001 B
R606
10K
SAW FILTER
SAF45MFY220ZR
12345
L601
1.2uH
R603
1.5K
R634
10K
C632 2.250V KA
4716V YK
MTZJ8.2B
C624
C605
R609
CF601
OUTOUTGININ
W832
W818
C604
330
150V KA
0.4750V KA
L605
C618
C606
0.2250V KA
1uH
REG Q601
2SD734
33K
4716V KA
C635
R635 100
MCU RESET
INTELLIGENT MONI
IF/CHROMA AUDIO IC
H OUT
FBP IN
6
789
4.7K
R601
8
1K
R602
4.9 8.2
REG
5.6 Q604
2SD734
4.9 8.2
5.6
4710V KA
C614
C630
100
R628
D607
R644 100
1SS133
5v REG
Y SW OUT
5.7V REG OUT(FOR CPU)
34 EXT C in 33 8.7V REG OUT 32 X’TAL
IC601
M61203CFP
17 V OUT 16 B OUT
DEF
SDA
9
R626
10K
C603 150V KA
R604 100
R605 4.7K
REG
Q605
2SD734
8.2
5.6
4710V KA
C640_1
100
R629
VIDEO/CHROMA GND
AFC FILTER
INV FBP OUT
C607 0.01 F
4.9
4716V YK
TV/Y IN
VIDEO CHROMA Vcc
POWER ON CONT
W843
150V KA
C625
R633
C622 0.015 M
8.2K
7
2 8.53.22.8005.63.28.64.9488122.6
333435363738394404142434445464748
ACL/ABCLAUDIO OUT
R IN
CHROMA APC FILTER
V PULSE OUT
G OUT
FAST BLK
SPOT KILLER
fsc OUT
V RAMP CAP
V RAMP FEEDBACK
B IN
STRAT UP Vcc
R OUT
G OUT
R625 2.2K
R619 2.2K
R614 2.2K
R639
100
30 31 32
20 21 22 23 24 25 26 27 28 29
17 18 19
11
12
13
C616
15P CH
X602
3.579545MHz
3.6
2.2
0
5
0
0.1 F
0
7.2
NC
5
5
6
3
0
8
8
4.6
C612_1
R627 100 1/4W
R630 100 1/4W
R631 100 1/4W
11.3
8.1
2SD734
8.7
2.250V KA
C619
C647_1 0.01 B
R638 12K
C661
R646
R642
390K
C648
0.1 F
C652
C610
0.2250V KA C645
476.3V KA
R641
22K +-1%
R648
100016V YK
D610
MTZJ6.8B
Q606
11E1-EIC
100
FROM/TO AV
Y_VIDEO
VIDEO_IN
VIDEO
FROM/TO DEFLECTION/CRT
FBT+8V
V_OUT
ABCL
V_FEEDBACK
GND
H_OUT
H_SYNC
B.OUT
TEST POINT
CP601
173979-6
B.OUT
GND
SDA
SCL
6
5
4
3
2
1
INT.MONI
IIC_OFF
8
7
6
5
4
3
2
TO AV
AT+5V
THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
R.SIGNAL
G.SIGNAL
B.SIGNAL
DEFLECTION SIGNAL
AUDIO SIGNAL
LUMINANCE SIGNAL
PCB010 TMX474
1
TUNER VIDEO SIGNAL
ABC D E F GH
G-4G-3
8
7
6
5
FROM CHROMA
CLAMP
G.OUT
R.OUT
B.OUT
FBT+8V
TO SOUND AMP
+12V
TO MICON/TUNER
X-RAY
ABC D E F GH
CP802B
51048-1000
1
2
3
4
5
6
NC
7
8
9
NC
10
CD801
8M82025A
1
1
2
V801
9
10
R
8
G
6
B
11
2
175
CP801_1
TS-80P-02-V1
220uH 0607
L801
3.2
128.0
2.7
RED OUT
Q801_1 2SC4217
C804 560P B
3.2
R809 330R813 3.9K
126.0
2.7
GREEN OUT
Q802_1 2SC4217
C805 560P B
3.2
R811 330R815 3.9K
120.5
2.7
BLUE OUT
Q803_1
2SC4217
C806 820P CH
R814 330
R816 2.2K
8
7
6
20 21 22
TP022 TP024
2W
1/4W
R803 12K
R802 2.7K
2W
2.7K 1/4W
R804
R805 12K
TP023
2W
1/4W
R807 12K
R806 2.7K
5
R401
100K 1/4W
+-1%
CP802A
DEFLECTION/CRT SCHEMATIC DIAGRAM
IC401 LA78040V-OUT IC
THERMAL PROTECTION
­+
1234567
4.5 25 25 0 24 48 4.8
14
R426
R405
D401
W810
1K 1/4W
+-1%
22K 1/4W
HZ27-1L
HZ11B1L
D402
R406
R408
2.2K
12K +-1%
R424
6.8K +-1%
C411_1
150P CH
763WSA0015
HS401
C414
C429_1
R409
5.6K +-1%
22P500V
YK
10035V
SL
PUMP UP
18
R418
33K +-1%
R417
11K +-1%
L401 ELH-5L50N1431
C401_1
0.0012KV YR
R404
1K 1W
R419
C417
D403
11E1-EIC
1.8K
2.250V
R420
3.3K
MHE
C430
C418
R407
0.012100V
1000
25V YK
2.2 1/2W
M
C422
R416
TF
0.15
100V
1 1/2W
R429_1
3.3 2W
C427
(MAIN PCB)
19
1050V MHE
51048-1000
HEATER HEATER
GND GND
22100V YK
C434
D411
AU02A-EIC
S801
GND GND
1
CLAMP CLAMP
2
G.OUT G.OUT
3
R.OUT R.OUT
4
B.OUT B.OUT
5
NC
6
7
8
NC
9
180V 180V
10
A51LMU50X50N45
TO DY
5
4
CP401
3
B05B-DVS
2
NC
1
4
3
2
FROM/TO CHROMA
GND
V_FEEDBACK
V_OUT
ABCL
H_OUT
H_SYNC
FROM TV POWER
+B
GND
L410
4.7mH 0909
T401
B
C440 0.0022500V
NC
1/2W
4.7K
R428 8.2K 5W
305Y001
34
2
1
6
16
C446 1160V MHE
HS402
763WSA0015
R427
100 1/4W
H.OUTPUT
Q401_1
2SD2499(LBOEC1)
130.0
0
0
W811
1250V YK
C413
R423
17
C443
D404
MTZJ6.2B
C437
68 1/2W
ECWH
0.00821.6KV
C444_2
R403_1
6.8K 1/2W
C406
22P500V SL
PMS
0.33250V
220P2KV YR
W891W831
W897
FB401_1 3221016
COL
130.0
1
VIDEO
137.0
6
B+
2
AFC
9
HEA TER
10
GND
0
8
E12
NC
4
E25
3
ABL
GND
GND
E8
CC002
HV
F
S
0
11
0.3
7
0
8
0
5
FOCUS
SCREEN
FOCUS
SCREEN
1
CP806_1
005P-2100
C819_1
0.0012KV B
96.4
6.4
3
4
0
0
6
101.6
HPS3200-010501
5
7
8
J801
0
1
F
9
99.6
C801
330P B
4
3
R.SIGNAL
15
C439
SL
22P500V
R446
27.0
H.DRIVE
Q402
0.3
2SC2621
0
G.SIGNAL
C405
D410
AU02A-EIC
47016V YK
C404
47016V YK
D400
AU02A-EIC
AU02A-EIC
PCB110 TCX335
DEFLECTION SIGNAL
D405
B.SIGNAL
2
THE DC VOLTAGE AT EACH PART WAS MEASURED
1
D406
AU02A-EIC
C403
22
C448
200V
MHE
100035V YK
R445 220K
1/4W
C435
0.1
100V
TF
R421
220K 1/4W
PCB010 TMX474
DANGEREUSES AN POINT DE VUE SECURITE N’UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES
CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY
ETANTLES PIECES REPAREES PAR UNATTENTION:
ARESINCE THESE PARTS MARKED BYCAUTION:
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
ABC D E F GH
G-6G-5
ABC D E F GH
TV POWER SCHEMATIC DIAGRAM
8
5A 125V
CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD
ATTENTION: POUR LINE PROTECTION CONTINUE LES RISQUES
REPLACE ONLY WITH THE SAME TYPE 5A 125V (F501)
D’INCEIE N’UTILISER QUE DES FUSIBLE DE MEME TYPE 5A 125V (F501)
7
(MAIN PCB)
C516
470P500V B
D505
21DQ09N
D515
21DQ09N
R517_1
2.7 2W
C519_1
100025V MHE
TO SOUND/AMP
SOUND+B
GND
8
7
6
5
4
DEGAUSS COIL
L503
8R200026
120V 60Hz
CD501_1
120R614914
BLADE
WIDE
BLACK
WHITE
21
21
CP502
TV-50P-02-A1
1
2
PTAD14K2-3R0Q141
12
BLACK
WHITE
CP501
THL-P03P-B1
TH501_1
FH501
EYF-52BC
PH
5A 125V
F501
5A125V
233005-MB000
W821
123
FH502
EYF-52BC
C505
0.22250V ECQUL
R500_2
34
12
L501_2
1R5A102F20
2.7M 1/2W
+-10%
C507_1
D513
11EQS04N
C512
470P500V B
D510
RU2AM
C517_2
470P2KV YR
D518
1SS133
R520
150K 1/2W
C515
100016V MHE
C521_1
100160V YXF
W807
TO DEFLECTION/CRT
+B
GND
TO CHROMA
AT+10V
TO MICON/TUNER
+B
6
5
4
W845
T502
C511
KA
D512
150V
D506
178
177
NC
NC
8.5
0
8.6
81290604
7
6
5
4
3
2
1
1SS133
MTZJ15B
15.3
9
10
NC
0
11
161
12
0
13
0
14
11.8
15
16
NC
R501_1
2.2 7W
R510
1.2M
D501
RM11C-EIC
C502
0.001500V B
D504
RM11C-EIC
0.0047250V KH
R504
C514_1
W806
SWITCHING
2SK2662
39 3W
177
D
G
3.6
S
0
680P2KV YR
Q501
C503
0.001500V B
D502
D503
R505
220 1W
RM11C-EIC
RM11C-EIC
C526
C509
0.047 M
470200V USR
R511
D509
1.2M
MTZJ18B
D508
1SS133
D507
R508
MTZJ15B
R509
2.7K
1.8K 1/4W
9.6 0
34
0.8 8.8
FEED BACK
IC506
TLP621(D4-GR-LF2)
2.2K
R512
R513
1
2
FEED BACK SWITCHING
Q507
2SC1740SP
5.6K
8.8
6
5.5
C510
MTZJ5.6B
4716V YK
D528
CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY
R516
R518
R514_1
R515_1
470
2.2K
39K 1/4W
22K 1/4W
R519
330
+B ADJ.
VR501
3
D514
1SS133
D519
1SS133
470
PCB010 TMX474
ARESINCE THESE PARTS MARKED BYCAUTION:
DANGEREUSES AN POINT DE VUE SECURITE N’UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES
ETANTLES PIECES REPAREES PAR UNATTENTION:
2
1
1/4W
1K
3
R542
SWITCHING
Q502
2SC2120Y
0.47 1W HS501
763WAA0083
R506
3.6
0.47
M
0
C501
0.01
2
1
THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
ABC D E F GH
G-8G-7
8
7
6
5
4
FROM/TO MICON/TUNER
AUDIO_MUTE
FROM/TO AV
REAR_AUDIO_R
REAR_AUDIO_L
FRONT_AUDIO_R
FRONT_AUDIO_L
AUDIO_OUT_R
AUDIO_OUT_L
SOUND_OUT_L
SOUND_OUT_R
ABC D E F GH
SOUND AMP SCHEMATIC DIAGRAM
SCL
SDA
BUFFER
Q851
2SA1037AK
R851
3.2
0
BUFFER
2SA1037AK
2.2K
2.3
Q852
(MAIN PCB)
REGULATOR 9V IC
IC853
KIA78L09BP-AT
OUTGNDIN
11.7 0 9.1
25
2.2K
R852
3.2
2.3
0
SOUND AMP IC
IC852 AN5829S
1.5 2.4 2.4 0.7 5 2.4 2.4 0.7 2.2 2.2
R853
220K
2.7 2.7
OUT SW
AGC
Matrix
Cancel Offset
Cancel Offset
1 101112
4.750V KA
C853
Switch
De-Emph
(L-R)/SAP
75us
Filter SAPout
Expand
Wide Band
3456789
2
C854
R854
100
R855
NC
2021222324
DAC ZAP
L-R Filter L-R Demod
RMS Det
Wide Band
4.750V KA
C855
4.750V KA
L851
100
5 4.9 0 3.5 3.5 2.5
GND
IIC Decoder
L+R DemodL+R Filter
fH.2fH Trap Filter
dbx De-Emph
Vcc
+-10%
1016V TT
C857
C858
C860
0.022 B
27
22uH 0607
C861
C864
0.1 F
C862
0.047 B
Det
St.PLL
Pilot
Cancel
Pilot
Filter
Filter
Stereo
Noise
Filter
Filter
Spectral
Wide Band
RMS Det
Expand
Spectral
Spectral
3.316V TT
C865
0.3350V KA
476.3V KA
C863
0.022 B
SOUND_R
SOUND_L
VCA
Input
+-10%
C866
R850 2.7M
Filter
26
C867
0.1 F
3.5 13141516171819
Det SAP
SAP
Demod
SAP
Det
Noise
C868
0.1 F
0.1 F
C869
R857
IC351 LA4600SOUND AMP IC
123
C870
2.250V KA
12K
R858
C871
12K
R860
R859
4.7K
1016V KA
2.250V KA
C872
4710V KA
1K
R862
C873
4.7K
4.4 110
REF
TONE CONTROL IC
IC854 M62420SP
8.9
R861
1K
4725V KA
C874
R864
C881
1.8K
0.033 B
C879
C883
2.250V KA
0.022
+
­+
-
2.250V KA
4.2
1.8K +
-
SIMAMP1
VOLAMP1 VOLAMP2
SIMAMP2
­+
1.8K
4.2 C880
0.022 F R863
1.8K
F
4.4
4.4
0.47
VR3
6.5K
6.5K
VR4
C882
0.47 F C884
0.033 B
F
3.4
S1
S2
3.4
VR5
4.4
3.3
TONE
S5
S3
S7
AMP1
+
-
6.5K
­+
TONE
S8
S6
S4
AMP2
VR6
4.4
3.3
C875
4.24.2 2203456789
136K
VR1
REF REF
VR2
136K
C876
0.022 F
6.5K
100
100
R865
R867
0
0
C885
3.7
I2C BUS
INTERFACE
CONTROL
LOGIC
5.0
R866
100K
4716V KA
3.8
111213141516171819
5.0
C886
C888
0.022 F
0.001 B
8
7
6
5
4
3
2
1
P.CON+5V
FROM TV POWER
SOUND+B
GND
FROM CHROMA
AUDIO_DET
STEREO+5V
FROM DEFLECTION/CRT
+12V
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
W829
W825
S801YS801X
THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
R363
1K 1/4W
C359_1
S803Y S803X
R362
4.7K
C363_1
0.047 B
476.3V KA
C360
CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY
1.8K
R357
ATT.
INPUT GND
0 1.41.40.98.96.012.18.108.1
28
3
2
PCB010 TMX474
ETANTLES PIECES REPAREES PAR UNATTENTION:
AUDIO SIGNAL
1
RIPPLE
C358_1
0.047 B
W805
0.018 B
2.9 MUTE SW.
0
Q351
2SC2412K
0
R352
2.7K
R361
2.7K
W834
C350
100016V MHE
MUTE SW.
0.6 Q352
2SC2412K
0
0
OUTPUT GND
11023456789
R360
1K 1/4W
763WAA0131
C351_1
HS351
0.018 B
C353
100016V MHE
ARESINCE THESE PARTS MARKED BYCAUTION:
FILTER
P.PVCC STAND-BY
W859
4.750V MHE
C352
4716V KA
C357
DANGEREUSES AN POINT DE VUE SECURITE N’UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES
ABC D E F GH
G-10G-9
ABC D E F GH
AV SCHEMATIC DIAGRAM
8
(MAIN PCB)
8
FROM STEREO JACK
CP701B 8283_0812_00_000
8
A_IN_R
7
GND
6
7
6
A_IN_L
5
4
GND
3
FRONT_VIDEO_IN
2
GND
1
TO STEREO JACK
CP703B
8283_0512_00_000
1
L-OUT
2
L+OUT
3
R-OUT
4
R+OUT
5
GND
A_IN_R
GND
A_IN_L
NC
GND
FRONT_VIDEO_IN
GND
NC
W808
W814
R740
R729
1K
75
IC703 NJM2234LVIDEO AMP IC
C701
1016V KA
R727
C702
1K
1016V KA
D702
MTZJ6.8B
D711
MTZJ6.8B
5
SW1VIN 1 VIN2 SW2 GNDVOUTVTVIN3
12345678
1050V YK
C720_1
150V YK
C706_1
D701
MTZJ12B
C719_1
1050V YK
D703
MTZJ12B
0.04.05.05.55.05.55.05.5
C712_1
47010V YK
C707
0.022 F
4
C703
1016V KA
1K
C722
47010V YK
D705
D708
C704
1016V KA
5.2
MTZJ12B
D707
MTZJ6.8B
47 1/4W
2SA1037AK
0
R760
BUFFER
Q706
4.5
MTZJ6.8B
C708
R702
10 1/4W
1016V KA
5.0
0
C726
1016V KA
D706
R749
4.4
2.2K
4.4 0
0
C705
MUTE_SW
Q702
DTC114EK
4.750V KA
MTZJ6.8B
D709
MTZJ6.8B
0
0
R720
1K 1/4W
MUTE
Q707
2SC2412K
0
MUTE_SW
Q701
DTA144EKA
R703
1K
R704
1K
C730
R721
1K 1/4W
MUTE Q705
2SC2412K
0
0
0
33P CH
R711
1K 1/4W
R708
R709
1K
75
R716
5
6
H1NCH1H2
5
1
234
EE
R_A/V_IN (STEREO)
3
J703_1
AV3-19DS-1
R_A/V_OUT (STEREO)
6
34
1
2
EE
J704_1
AV3-19DS-1
R724_1
H1NCH1H2
75 1/4W
NC
FROM/TO SOUND AMP
FRONT_AUDIO_R
FRONT_AUDIO_L
GND
REAR_AUDIO_R
REAR_AUDIO_L
AUDIO_OUT_R
AUDIO_OUT_L
GND
SOUND_OUT_L
SOUND_OUT_R
P.CON+5V
FROM MICON/TUNER
EXT_MUTE
AV2
AV1
FROM/TO CHROMA
VIDEO
VIDEO_IN
Y_VIDEO
AT+5V
7
6
5
4
3
2
PCB010
CAUTION: DIGITAL TRANSISTORCAUTION: DIGITAL TRANSISTOR
THE DC VOLTAGE AT EACH PART WAS MEASURED
1
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
AUDIO SIGNAL
TUNER VIDEO SIGNAL
TMX474
2
1
ABC D E F GH
G-12G-11
ABC D E F GH
STEREO JACK SCHEMATIC DIAGRAM
8
(STEREO JACK PCB)
8
7
TO AV
CD701 CH28110A
8
6
A_IN_R
7
GND
6
A_IN_L
5
4
GND
3
V_IN
2
GND
1
A_IN_R
GND
A_IN_L
NC
GND
V_IN
GND
NC
F_A/V_IN(STEREO)
J702_1
JPJ3653-01-234
NC
7
6
H
4
H
2
H
A_IN_R
5
E
3
A_IN_L
E
1
V_IN
E
5
PCB280 TE9977
CD353
CH14061A
SPEAKER
8 OHM 2.5W
SPEAKER
SP354_1
MS-2D6SB02
8 OHM 2.5W
SP355_1
MS-2D6SB02
L+
4
L-
3
R-
2
R+
1
7
6
5
4
FROM AV
CD352 CH25088A
5
R+ OUT
3
4
R- OUT
3
L+ OUT
2
L- OUT
1
NC
W860
W861
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
4
3
2
1
G-13
ABC D E F GH
G-14
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