Toshiba VTV1403S Service Manual
FILE NO. 140-200220
SERVICE MANUAL
COLOR TELEVISION/
VIDEO CASSETTE RECORDER
VTV1400S
Y/C_V
TUNER_V
Q602
BUFFER
TV BLOCK DIAGRAM
21_B
21_G
21_R
21_Y
Y/C/AUDIO/
HEAD AMP/
21PIN/IN/OUT
Y/C/AUDIO/
HEAD AMP/
21PIN/IN/OUT
MICON
TUNER_A
Y/C_A
JACK_V
SDA
SCL
TU601
11
1
4
5
Q607
PRE AMP
CF601
1
CF605
B. OUT
XTAL1
V-DRIVE IC
IC401 TDA8174A
3
4 11
30
31
32
37
34
35
36
46
49
48
42
40
1
X601
4.433619MHz
10
2
Q805
Q806
G-AMP
R-AMP
Q405
H.DRIVE
10 F
FB401
3
7
2
Q406
1
S
HV
H.OUT
Q804
B-AMP
Q601, Q611
J801
3
9
7
8
F
SW
DY
PROTECT
HD
OSD_Y
OSD_B
OSD_G
OSD_R
VD
V801
CRT
MICON
TPS6.0MB
Q608
BUFFER
CHROMA /IF
3
4
IC601 STV2246C
6
PIFIN1
7
PIFIN2
8
RF_AGC_OUT
AUDIO_OUT
55
EXT_AUDIO_IN
14
FM_OUT
11
51
SCL
52
SDA
13 44
18
CVBSIN1
CVBSOUT2
INT_CVBS_OUT
47 25 26
22
VERT
Y/C/VBS_IN3
27
B_EXT/U_EXT
G_EXT/Y_EXT
R_EXT/V_EXT
28
BLK_EXT
OSD_KB
BCL/SAF
LBF/SSC
X1/VAMP/CHR_OUT
G. OUT
R. OUT
OSD_B
OSD_G
OSD_R
H_OUT
SOUND AMP
IC352 AN7523
6
1
9
5
4
7
2
2
1
SP351
SPEAKER
J2201
HEAD PHONE
TV_POWER_H
VOL_CTL
VCR_POWER_H
POWER_FAIL(DC)
MICON
AC IN
F501
Q507
F-BACK SW
VR502
IC506
LTV-817M-VB
FEED BACK
L503
DEGAUSS COIL
POWER REG IC
IC502
STR-G6653
5
D501~D504
RECTIFIER
IC1007
KIA78R09API
T501
11
16
13
1
5
14
18
8
CP851
7
10
5
6
3
AT+12V
4
1
IC1005
KIA78R05PI
2
412
IC1001
KIA7805API
3
1
P. CON+9V
IC1004
KIA78R05PI
412
P.CON+5V A
AT+5.6V
P.CON+5V
E-1 E-2
Y/C/AUDIO/
HEAD AMP IC
IC4001 HA118217F
79
Y/C/AUDIO/HEAD AMP/21PIN/IN/OUT BLOCK DIAGRAM
X4001
4.433619MHz
78
73
75
69
5860
55
54
52
CYL.
MICON
HEAD AUDIO
CONTROL
FE HEAD
CP4001
2
SP-CH2 (L)
3
SP_COM
4
SP-CH1 (R)
ENV_DET
VCR_A_MUTE
V. REC_ST_H
CP4005
1
AE HEAD (+)
2
AE HEAD (-)
CTLÂ43CTL+
5
AUDIO REC
AUDIO PB6
CP4004
1
FE HEAD (HOT)
2
FE HEAD (GND)
VV_H
SCL
SDA
H. SW
CTL+
CTL-
Q4002
OSC
Q4001
NORMAL A.
REC ST SW
Q4003
V.REC
ST SW
L4005
1
3
Q4015
PB SW
Q4004, Q4005
PB SW
6
5
4
86
87
88
89
29
62
63
81
84
99
AGC
2
4
2MLPF
H.AMP
REC
MUTE
SERIAL CONT
INTERFACE
ENV
DET
PRE
AMP
REC
EQ
P
R
87
HPF
R
HPF
REC
MUTE
9
ATT
ATT
19
46
35
44
42
39
28
31
50
26
Q4006
BUFFER
C. SYNC
TUNER_A
TUNER_V
Y/C_V
Y/C_A
MICON
TV
CCD
LPF
CLPH
MAIN
+
CONV2
RP
P
BPF
R
G EQ
D LIM
DEMO
SLPF
MAIN
DE-EMPH
C.K
C SQUELCH
N-->P
B.D
NL EMPH
NL DE EMPH
RP
YLPF
R
P
18
6dB AMP
R
P
CLAMP
P.EQ
TRAP
VCA
CLPH
+
R
MAIN
CONV1
P
S DL
FBC
ALC
MAIN EMPH
CARRIER
OFFSET
W.C/DC
Q4007
RP
SQPB
SQPB
AMP
P
P
R
CTL TRAP
LEVELADJ
629
TRAP
7M HPF
1M HPF
LINE
MUTE
LINE
AMP
11
fh HPF
MIX
B.E
C.K
ACC
TRAP
LPF
+
VCA
P
P
R
FM AGC
LAG LEAD
FM MOD
F0/DEV ADJ
S-DET
R
DELAY
LPF
L4001
15.6KHz
Y APA
D.E
N.C
YNR
23
6dB AMP
CLEAR
SYNC
SQUELCH
FBC
VIDEO ALC
VIDEO
AGC
CLAMP
21
P
R
SYNC.
SEP
24
C CCD
CLOCK
DEIVER
Y CCD
LPF
JACK_V
Q4207
MICON
EXT_IN_L
PERI SW
J2202
FRONT AUDIO
2
JACK
D4210
TU_AUDIO_MUTE_H
TV
21_Y
21_B
21_G
21_R
Q4205
MUTE SW
6
2
1
8
7
3
16
J4201
11 152019
Q4202
BUFFER
E-3 E-4
AT+5.6V
SW1001
14
3
2
MS_SEN A
Q1009
SYSCON/TIMER/SERVO
IC1006 OEC0107B
TAB SW
50
MS SEN-A
31
MICON BLOCK DIAGRAM
/RES
POWER FAIL
EXT_IN_L
77
37
54
1 OUT
SYSTEM RESET
IC1003
R3111N311A/C
Q1007
BUFFER
POWER_FAIL (DC)
EXT_IN_L
TV
TV
DECK
P.CON+5V
VCR_POWER_H
AT+12V
CP1001
1
CAP FG
CAP VCO
2
CAP/M/F/R
4
I LIMIT
5
CYL/LAD VCO
8
CAP CTL
9
LDM CTL
1110CYL FG/PG
12 CYL CTL
14
2
3
3
2
4
1
2
3
4
1
X1002
32.768KHz
X1001
10MHz
MS_SEN B
Q1003
REEL SENS.
Q1005
REEL SENS.
Q1001
MS SEN-B
32
REEL T
40
REEL S
39
76
X1
75
X2
80
OSC2
78 OSC1
95
VCR_POWER_ON-H
CFG
9
CAP_FWD_L
88
CAP_LIMIT
84
CAP_FULL
87
83
LDM_CTL
DFG/DPG
104
DRUM_PWM
107
C.SYNC
TUNER_MUTE
VCR_MUTE
CTL(+)
CTL(-)
V.REC START-H
VV-H
VIDEO H.SW
VIDEO_ ENV
IIC_DATA_0
IIC_CLK_0
HSYNC
VSYNC
PROTECT
VOLUME PWM
TV_POWER_ON-H
111
55
90
91
89
105
28
62
61
14
15
92
85
93
C.SYNC
TU_AUDIO_MUTE_H
VCR_A_MUTE
3
4
5 SDA
6
SCL
EEP ROM
IC1099
S-24C08ADPA-01
Q1016
HD SW
Q1015
VD SW
CTL+
CTL-
V. REC_ST_H
VV-H
H. SW
ENV_DET
SCL
SDA
HD
VD
SDA
SCL
PROTECT
VOL_CTL
TV_POWER_H
Y/C/AUDIO/
HEAD AMP/
21PIN/IN/OUT
TV
33KEY-A
34
43REMOCON_IN
48
47
45STAND BY
OS2201
D2204
POWER
ON/OFF
2
3
1
D2203
CH DOWN
Q2201
CH UP
REC/OTR
SW
VOL. UP
STOP/EJECT PLAY FF/CUE
AT + 5V
VOL. DOWN
D2202
REW/REV
Q1006
EOT SENSOR
OSD_R
TV
OSD_G
OSD_B
OSD_Y
D1003
Q1017
BOT SENSOR
Q1002
CENT LED SW
35
27
52
99
100
101
96
BOT
EOT
CENT LED
R
G
B
YCO
KEY-B
REC/OTR_ LED
T-REC LED
E-5 E-6
PRINTED CIRCUIT BOARDS
SYSCON/CRT/POWER SW (INSERTED PARTS)
SOLDER SIDE
CP302
W111
C4049
W146
W160
W120
W107
W106
W941
Q4005
W156
C352_1
R1037
HS1002
W115
W112
W108
C4009
W124
R4021
W137
L4024
C4040
W840
D1010
W177
R1001
C4092
C4088
W243
W238
L4013
W167
TP4002
W255
C1016
W185
C1032
R1023
W311
C1013
W131
W128
L4012
L4007
W216
R4041
W162
C1090
C4074
L4015
W308
C4084_1
TP4001
W892
R1075
W105
W133
W827
C4073
C4069
W170
R1042
C1070
W135
W134
W127
W139
L4016
W152
W172
W130
W313
W312
W154
W151
B4001
C1011
W141
C4057
W153
W149
P
C
W143
L4011
C
W118
1001
W157
X4001
P
W114
Q4001
R4049
C4051
W145
C4071
W147
0
4
D1004
W117
Q4004
L4009
C4077
C4050
W039
C355
4
0
W159
R1068
W116
C1005
Q4002
L4005
C4055
W169
W163
IC352
W184
L1001
W179
W192
W189
W229
W228
W215
D1021
W212
W209
W249
R1002
W864
S801
_1
01
J8
0
CD802
TO SHIELD DECK
C1048
W217
C1047
W206
W253
W208
W246
W234
X1002
CP801
W225
W221
D1006
W182
W175
C1093
W236
C801
R1077
W207
W205
W227
D1003
W252
W233
W232
Q
1017
W181
W174
X1001
R4070
W213
W247
W258
Q1006
W203
R4066
C4078
W244
W173
W200
S104Y
C4065
W210
R1014
R1061
W193
W314
W245
L4002
W256
W315
W183
W178
R1066
D1001
W985
W984
J2201
C2201
J2202
J2203
W272
W270
SW2204
SW2203
SW2208
SW2210
SW2207
W295
SW2205
SW2206
SW2209
OS2201
B2201
W846
B2202
W838
R2206
R2204
W811
SW2202
SW2201
R2228
W843
W845
W813
D2202
D2203
D2204
C2206
W906
B2203
C2210_1
W319
SW1001
W842
W302
B2204
F-1 F-2
W263
C1061
W271
W291
W290
R1082
W284
W281
W280
W297
SERVICE
W301
Q805_1
W267
TP1001
TP802
W268
W296
R805
W259
C1003
IC1099
W283
W293
R808
W265
R1065
W262
W261
Q1003
W289
W279
R810
R820
R802
R807
TP801
Q804_1
CP853B
TO BRAIDE WIRE (FINAL)
R1048
W273
Q
1005
W303
Q806_1
W201
W288
Q1001
W305
W266
Q1009
W202
R1019
C1021
W286
W285
W223
W299
TP803
TO BRAIDED WIRE
S106
W304
W300
CP852B
W180
R1055
W220
W214
L801
W224
W218
W199
W198
W195
W219
W254
W197
W191
W190
R1052
R1038
L4003
C4001
W902
C4041
L4025
C363
W119
W132
W129
W144
C4039
W158
C351
IC1005
W121
R1040
W140
C4031
L4026
CP4001_1
C4015
C4108
W110
C4024
CD502
C1041
C1059
S105Y
C4036
W044
IC1007
CP4005
W142
W150
IC1004
R1047
W126
W138
S101
W045
R1060
W125
W069
S104X
D4001
L4001
W090
R1016
W052
C4017
W098
L4008
W089
R1036
C1042
W051
R4028
L4004
W088
SW501
C1037
HS1001
IC1001
HS1003
W057
W050
W070
W086
S102
CD501
CP852A
R605
C1036
W060
W056
W080
W064
C418
W038
C1029
W058
W099
W083
R664
W062
W061
W814
R401
W071
C668
W097
W096
W095
W093
R356
S502
D1002
W091
T401
D404
CP851B
W094
S501
C357
C404
C416
R410
R456
R
4
D607
C636
C645
D413
W880
Q405
3
0
W092
W085
W084
W081
C431
D608
HS402
L402
W079
D606
R460
W904
CP853A
W078
C603
L613
C611
W102
C666
W048
C432
W849
W901
W077
L604
C641
W047
Q406
C450
W054
R448
W076
CF605
D407
W075
C610
R614
C
4
24
W823
CP402
W053
CP401B
W073
X601
L608
W104
W101
L611
L602
D405
C635
C652
C421
C423
Q401
R615
R602
W023
W059
L614
L607
W035
C627
L401
W072
W006
L612
R490
R447
C653
IC601
CF603
TP601
W001
C422
TP401
W020
W037
R453
W019
R450
C429
C402
W857
CF604
W002
R402
R409
C648
D411
W003
C650
L606
R411
C408
W016
C649
CF601_1
Q607
C4204_1
D601
W030
R416
C403
C613
C410
W029
D406
W317
L610
D611
D610
D609
W847
C642
R635
W887
W036
C626
W033
W031
C412
W816
D603
D602
S105X
W815
D1261
W026
FB401_1
D403
W833
R404
B401
C630
W024
W025
L4202
D4210
L4203
W034
W953
W844
R412
IC401
C405
W018
W028
C4201
R4202
C414
R4207
C4213
L4204
C4209_1
TU601
R406
HS401
W027
R4224
R4201
W004
C662
C417
R419
R413
C657
B4202
W900
R407
B4201
C651
W032
R417
W021
R421
R405
W008
W808
VR401
VR402
W017
W010
TP4201
J4201
CP603
C4215
W817
C4230
R4221
R4222
R4223
W805
R4210
Q4210
R420
R636
C640
R4228
C4202
R4206
W807
C664
R647
Q4205
Q4202
W825
R4030
R4205
R4225
W804
R403
R4208
R4220
Q4207
R4239
C4205
R656
C413_1
C604
C609
R645
C655
R678
R609
R634
C639
R640
R637
R638
R607
C618
0
C634
C607
R641
R662
R624
R618
R643
W890
R608
C644
C612
R425
W862
C647
C675
C605
R648
R424
C646
C654
R679
R639
W905
R616
C614
W837
C615
R642
W888
C601
R646
R650
W836
R604
C621
C677
W066
Q608
C643
C656
W802
Q602
R619
W065
W812
C670
R626
R649
R610
C658
R611
R625
R657
C659
R603
C619
R612
W067
C660
R630
C620
R613
R658
C623
R628
W801
R622
R621
R629
W893
Q403
PRINTED CIRCUIT BOARDS
SYSCON/CRT (CHIP MOUNTED PARTS)
SOLDER SIDE
C359
R359
C362
R353
C361
R352
Q601
Q611
W889
R4020
R665
C4002
C4101
R4003
R4001
R4067
Q4018
R4053
R4054
Q4007
C4023
C4025
R4017
C4032
C4102
R4052
C4004
C4033
R4008
R4015
R4038
C4107
R4055
R4014
R4069
C4016
C4019
C4026
C4037
R4063
R1071
W318
R4025
C4014
C4028
C4098
W911
R4016
R308
C4027
C4097
C4043
R4027
R4057
Q351
C4020
C4035
C4010
C4018
1
R4032
C4045
R4004
W109
W309
R4011
R4005
C4006
R4022
C4070
R4023
R4013
R361
C4038
81
IC4001
C4047
C4053
C4007
C4044
C4048
31
R4031
C4013
R4002
C1009
C4042
R4012
C4005
R426
R4065
R4026
51
C4068
C4062
C4060
Q4003
R4058
R4056
R1008
C1007
C4059
C4046
C4123
C4054
R4033
R4034
C4083
C4090
R4073
C4052
C4056
C4061
C4064
R4044
R4043
R4051
R1070
C4089
C4076
R4047
Q1007
Q4006
C4063
C4067
C4099
C4072
R4050
C4075
R4075
R4042
Q4015
C4080
C4115
C4079
R4037
C4085
C4087 R4018
R4060
IC4002
C4100
C4058
R1029
C1062
R4213
R1015
W871
R4077
C4082
C4116
C4086
R4045
C4066
R4019
R4046
R4059 C4091
W196
R4035
R1069
C1012
C1022
R1011
C1001
R1090
C1015
C1006
C1074
C1063
R1057
Q1004
C1028
C1004
R1053
R1039
R4074
C4121
C1026
C1082
C1073
C4122
C1023
R1033
85
R1009
C1020
C1033
C1025
C1024
R1012
C1031
W222
1
R1054
C1081
C1002
R1024
R1058
Q1002
101
D
R1064
C1008
9
100
57
IC1006
1
C1067
R1067
D
C1060
C1010
R1007
C1019
R1010
R1017
C1018
R1027
R355
R1020
0
Q1010
29
R1022
R1030
C1078
R1026
C1038R1021
C1035
W853
C1040
C1027
R1003
R1094
C1043
W858
R1028
W230
C1052 R1056
R1059
R1050
R1083
C1050
R1087
C1056
Q1015
R1013
Q1016
R1063
C805_1
IC1003
C1017
C1044
R1062
C1055
R816
R1006
R813
C811
R1078
R1044R1045
R1096
R811
C1069
C1030
R1032
C809
C810
C821
C822
R1035
C1072
R812
R1080
C1071
R814
R815
R1051
R1049
C1014
R1031
Q2201
W850
C2205
C4217
R2207
R2203
R2201
C2204
R2205
C2209
R2215
C2202
R2213
R2212
C2203
R2210
R2208
R2211
R2214
R2209
C4206
C1092
W869
F-3 F-4
PRINTED CIRCUIT BOARDS
POWER
SOLDER SIDE
W811
CP501
C537
R511
TP502
D535
R532
W009
D515
D511
C505
W008
C523
FH501
D526
Q501
VR502
W010
C520
C501
Q507
C554
R538
F501
CP851A
D534
D528
B501_1
C531
C504
C516
R507
R553
C524
R529
D505
FH502
D509
D533
D508
L501
R554
D519
D512
W808
C517
C519
W804
D510_1
C521
CP502
CP401A
C506
R509
C530
T501
R533
IC506
L502
TH501
W004
R503
C509
C510
R510
R515
C529
D513
R504
R543
D522
R542
R505
D501
R502
W006
W005
R516
C512
B502
R514
W003
D520
C515
D518
C535
R501_1
D506
D523
D504
R506
IC502
D521
W002
B505
HS501
C507
C502
D502
C503
D503
F-5 F-6
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