Toshiba VTW21FQR Service-Handbuch - Seite 18

Blättern Sie online oder laden Sie pdf Service-Handbuch für TV Toshiba VTW21FQR herunter. Toshiba VTW21FQR 37 Seiten. Combination 21" flat tv and video cassette recorder/dvd video player/ tele text

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Toshiba VTW21FQR Service-Handbuch
A
B
D1006
D1010
SB140-EIC
SB140-EIC
8
FROM/TO REGULATOR1
AT+5.6V
POWER_FAIL[DC]
VCR_POWER_H
AT+12V
RX
TX
DEGAUSS_H
DVD_POWER-H
EMERGENCY
VD
HD
TV_POWER_H
P.CON+5V_C
7
MOTOR_GND
GND
P.CON+5V_A
FROM/TO DVD IN/OUT
T-REC_LED
REC_LED
REMOCON_IN
KEY_A
KEY_B
STANDBY_H
TU_AUDIO_MUTE_H
FROM/TO Y/C/AUDIO/HEAD AMP
6
MESECAM_H
D_V_SYNC
V.REC_ST_H
SCL
SDA
H.SW
ENV_DET
VCR_A_MUTE
CTL+
CTL-
C.SYNC
BOT
5
EOT SENSOR
BOT SENSOR
5.1
5.1
Q1006
Q1017
ST-304L
ST-304L
0.2
0.1
EOT
CENT LED SW
4
Q1002
DTC124EKA
0.2
5.2
0
3
FROM/TO CAPSTAN DD UNIT
CP1001
TMC-J12P-B2
CAP FG
1
2
CAP VCO
R1075
1K 1/2W
3
VCC
R1061
CAP_F/R
4
CAP.M/F/R
3.3K
CAP_LIMIT
5
I LIMIT
6
MOTOR GND
7
GND
W828
8
CYL/LAD VCO
CONTROL_IN
9
CAP CTL
-
LDM_CTL
10
LDM CTL
2
CYL_FG/PG
11
CYL FG/PG
CYL_DRIVE
12
CYL CTL
W889
NC
S812X
1
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
A
B
H-11
C
D
C1047_1
25V
10
KA
2.6
2.8
5.3
3.3
2.5
84
83
82
81
80
R1024
R1004
VOL_CTL
2.6
12K
R1001
2.2
CYL_DRIVE
1K
R1066
1.8M
2.6
CONTROL_IN
85
CAP_FULL
1K
CAP_F/R
2.6
CAP_FWD-L
86
OSD_Y
2.6
VV-H
NC
2.6
VCR_A_MUTE
VCR_MUTE
C1063
V.REC_ST_H
2.6
V.REC.START-H
220P CH
PROTECT
0.3
PROTECT
2.6
TV_POWER_H
C1074
TV_POWER_ON-H
TUNER_ON/OFF
2.6
0.01 B
R1090
DA RGB SW
5.1
22K
VCR_POWER_ON-H
R1068
BUFFER
2.5
Q1011
YC0
1.8K 1/4W
2SC2412K
AT+5.6V
3.1
DVD_RESET
DVD RESWT
5.3
R1060
4.8
H_CTL
3.8
H CONTROL
2.2K
2.6
4.0
OSDR
R
VCR_POWER_H
2.6
OSDG
G
R1039
OSDB
2.6
B
22K
C1073
FF/REW-L
0
FF/REW-L
2.6
0.01 B
DVD_POWER-H
DVD_POWER-H
R1008
26
5.0
CYL_FG/PG
DFG/DPG
C1007
1K 1/4W
R1014
H.SW
2.6
VIDEO_H.SW
0.0047 B
1K
R1057
2.6
HF_H.SW
CYL_DRIVE
HIFI_H.SW
C1008 0.18 B
R1064
27
5.6K 1/4W
2.6
DRUM_PWM
111
R1067
56K
28
CONTROL_IN
2.6
CAP_PWM
112
56K
D_V_SYNC
1.4
DUMMY.V.SYNC
0
VSS
C1067
C.SYNC
4.8
CENT_LED_CTL
0.1 B
5.3
C1081
TAB SW
TAB_SW
1
2
3
4
5
0.001
CH
0 2.5 2.5 2.5 2.7
SW1001
R1017
LSA-1144EAU
CTL+
C1090_1
560
R1020
16V
22
KA
C1016
CTL-
560
C1012
6.3V
47
KANP
0
0.0039
B
30
SW
Q1004
5.2
DTC124EKA
0
C1015
0.0018 B
R1029
1K 1/4W
29
MS_SEN A
Q1009
RPI-352C40N
2.4
1.2
5.1
0.9
5.1
5.1
1
2
2
3
2
3
1
4
1
4
MS_SEN B
0.9
1.4
0.5
1.4
4
3
Q1003
0
5.1
RPI-352C40N
REEL SENSOR
Q1001
RPI-303
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
24
25
NC
NC
NC
NC
NC
NC
4.8
4.9
0
2.5
0
1.1
1.5
0
0
0
0.7
0
0
5.3
2.5
2.5
5.2
0
0
5.3
0
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
VOLUME_PWM
CYL_SPEED_UP
56
VCC
55
REC_AGC_CTL
SYSCON/TIMER/SERVO IC
IC1006
OEC0144C
C.SYNC
30
TUNER AGC
VCC
29
MESECAM_H/EXT_IN-L
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
3.9
5.0 4.7 2.5 5.0 2.0 2.9 1.8 5.0 5.0 2.0 1.4 5.3 1.6
0
0
1.8
0
0
4.6
0
NC
NC
R1021 680
L100115uH
C1038 15P
CH
C1022
0.0039
B
NC
R1049
5
REEL SENSOR
Q1005
4.7K
NC
RPI-303
0
2.4
OUT
1
2
1
4
3
0
5.1
CAUTION: DIGITAL TRANSISTOR
E
F
G

MICON SCHEMATIC DIAGRAM

R1096
1K
C1072
C1030
68P CH
0.1 F
5.1
0
4.7
8
7
C1060
0.1 B
1
2
NC
5.4
0
0
0
58
57
5.3
R1015
0
NC
22K
0
EXT_IN_L
EXT_IN-L
0
TV_A_MUTE
TV_MUTE
0
CENT_LED_CTL
CENT LED
0
TEXT_RESET
TEXT RESET
R1010
4.7K
0
TAB_SW
TAB_SW
0
VCR/DVD
VCR/DVD
0.4
REC_LED
REC/OTR_LED
0.4
T-REC_LED
T-REC_LED
0
AV1
NC
0
STANDBY_H
STAND BY
0
DEGAUSS_H
C1069
DEGAUSS
5.4
REMOCON_IN
22P CH
REMOCON IN
R1082
100 1/4W
2.5
R1035
CFG_IN2
5.3
SERVICE
22K
1/4W
SERVICE
NC
TP1001
0.1
REEL-T
REEL-T
0.1
REEL-S
REEL-S
C1011
0.8
MO SYNC IN
180P
CH
D1004
1SS133
C.SYNC
4.9
POWER_FAIL
R1069
10K
C1043
5.3
AVCC
R1055
0.1
B
0.1
BOT
EOT
10K 1/4W
5.3
KEY_B
KEY_B
5.3
KEY_A
KEY_A
0
32
2.6
MS_SEN-B
R1059
R1013
4.7
MSSEN_B
H.SYNC
2.6
MS_SEN-A
1K
10K
MSSEN_A
V.SYNC
4.9
AGC_M
4.2
31
2.1
MESECAM_H
HD SW
0.2
Q1016
0
27
28
2SC2412K
0 2.3
5.1
POWER_FAIL[DC]
4.9
R1016
4.9
BUFFER
Q1007
2.2K
2SA1037AK
4.9
SW
Q1010
DTA124EKA
4.6
C1034
0
0.01
B
D1008
4.9
MTZJ5.1B
D1021
1SS133
R1009
270
R1072
820
NC
0
0
R1012
4
NC
270
R1073
820
R1054
IN
GND
270
R1074
820
2
3
5.2
5.1
0
CAUTION: DIGITAL TRANSISTOR
F
G
H
(VCR PCB)
8
4.3
6
5
7
3
4
0
0
FROM/TO DEMODULATOR/21PIN
NICAM_RESET
SCL
SDA
EXT_IN_L
TU_AUDIO_MUTE_H
6
TUNER_ON/OFF
21PIN/DVD
FROM/TO SECAM CHROMA/Hi-Fi
SDA
SCL
VCR_A_MUTE
HF_ENV
HF_H.SW
VCR/DVD
5
FROM/TO CHROMA/IF
R1065
VD
33K
DVD_RESET
H_CTL
C1044
PROTECT
0.01 B
SDA
R1062
SCL
IIC_OFF
4.7K
AGC_M
0
HD
4
VD SW
Q1015
VCR/DVD
2SC2412K
C1055
R1048
HD
560P CH
220
R1070
FROM/TO T'TEXT/RGB SW
10K
TEXT_RESET
OSD_R
OSD_G
OSD_B
OSD_Y
3
SCL
SDA
0
0
EMERGENCY
TO SOUND AMP
SW
Q1008
VOL_CTL
DTC124EKA
M.P.OFF_H
TV_A_MUTE
OSD_R
TV_POWER_H
POWER_FAIL
OSD_G
2
OSD_B
PCB010
DMD027
1
H
H-12