Durabrand DBVT1341 Service Manual page 4

Series a color television/video cassette recorder
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A
B
FROM/TO TV POWER
DEGAUSS_H
POWER_FAIL2
8
P.CON+5V
GND
AT+12V
MOTOR_GND
H_GND
TV_POWER_H
CYL/LOADING MOTOR DRIVER
C1007
IC1004
LB11880
0.1 F
C1078
0
1.0
B1001
GND
FC
0.1 F
BL01RN1-A63T6
3.7
2.5
CYL_DRIVE
PC OUT
VC
1.9
W919
C1080
7
5.0
VCO IN
VREG
0.1 B
0
C1069
2.6
CX
PG IN(+)
0.022 B
C1070
0
2.6
C2
PG IN(-)
0.0022 B
C1073
2.3
2.6
C1
PG OUT1
0.0022 B
11.5
0
NC
W IN
PG OUT2
11.5
0
NC
V IN
BFGO
11.5
11.5
W819
6
NC
U IN
LVCC
12.2
11.5
W849
VCC
VREF
R1073 1
S811X S811Y
0
0
RF
X IN
R1080 1
7.5
0
M COM
Y IN
0
10.1
W OUT
X OUT
0
0
V OUT
LGND
0
10.1
5
U OUT
Y OUT
EOT SENSOR
Q1013
PNA2604M010R
FROM/TO DECK
0.1
CP1006
(CP101)
IMSA-9604S-04Z14
5.0
1
VCC
D1003
2
BOT
SID1050CM
4
LM-
3
LDM-
LM+
4
LDM+
SPVF130100
3
FROM/TO MICRO MOTOR
CP1005
(CD2001)
IMSA-9604S-07Z14
U-OUT
1
U-OUT
V-OUT
2
V-OUT
W-OUT
3
W-OUT
M-COM
4
M-COM
5
GND
C1064
R1082
PGIN-
6
PG OUT
1 F
1.5K
PGIN+
7
PG GND
C1090
2
0.0033 B
FROM/TO CAPSTAN DD UNIT
CP1004
TMC-J08P-B1
1
GND
2
MOTOR GND
3
I LIMIT
CAP_CTL
4
CTL
5
VCO
CAP_FG
6
FG
CAP_F/R
7
CAP/M/F/R
8
VCC(5V)
W882
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
A
B
C
R1029
4.7K
P.CON+5V
5.9
PGIN+
X_RAY
0.2
X_RAY_SW
Q1023
PGIN-
0
2SC2412K
W810
CYL_PG
VCR_A_MUTE
0
CYL_FG
TV_A_MUTE
5.1
NC
0
CA/MA_SEL
5.1
R1001
5.9
3.3K
IIC_OFF
LDM_R
5.2
R1008
11
C1013
CAP_FG
0.0039
2.5
C1091
1K 1/4W
LDM_F
B
R1084
0
CYL_FG
0.0022 X
1K
1/4W
2.0
13
12
CYL_PG
0.6
R1064
C1015
10V
47
KA
1K 1/4W
2.5
C1016
16V
22
KA
2.5
C1018
50V
4.7
KA
0.2
R1009
560
CTL-
R1012
C1019
0
R1013
560
CTL+
10K
0.001 CH
2.5
C1020
FF/REW_SW
C1027
2.6
C1022
16V
10
KA
Q1004
0
0.0039 B
DTC124EKA
2.5
0.1 F
10
5.1
5.1
0
5.2
0
TIMER SYSCON MICON IC
IC1001
OEC7059A
TAB_SW
C_ROTARY
TAB SW
SW1001
H.SW
H.AMP_SW1
S114Z
D1004
H.AMP_SW2
W833
1SS133
CAP_F/R
W894
MS_SEN A
5.1
1.3
Q1009
RPI-352Q01R
SENSOR SW
Q1002
1.2
5.2
0.8
2SC2412K
2
3
2
1
4
1
0.8
1.4
0.5
MS_SEN B
Q1003
RPI-352Q01R
NOTE:
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
MICON SCHEMATIC DIAGRAM
R1044
3.3K
R1045
3.3K
NC
NC
0.9
0.9
0
1.8
2.5
0
0
4.9
2.5
2.6
0
0
4.7
0
0
0
0
0
4.8
0
0
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
POWER_FAIL_L
81 VCR_A_MUTE
IIC OFF
50 TAB SW
82 TV_A_MUTE
CAP-FG
49 OSD-VSS
83 SP/LP/EP-H
AMP-VSS
48 CM_ADV_AUDIO/AV2
84 CA/MA_SEL
DRUM-FG
DRUM-PG
AMP-VREFOUT
AMP-VREFIN
98 AMP-VCC
C
33 E/V_MASK/PLAY LED
99 ANALOG VCC
CTL-
32 RENT_H
100 DEW
CTL+
31 ON-TIMER LED
AMP C
CTL AMP-OUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
1.4
1.4
0
0
0
2.4
2.2
0
5.2 5.2
0
2.2
0
0
0
5.2 2.3 2.6 2.6
0
0
NC
9
H.SW
TP1002
NC
NC
0
5
NC
1.2
5.2
0
OUT
IN
1
2
3
1
2
5.2
4
1.4
4
3
0
0.9
REEL SENS
Q1005
RPI-301
CAUTION: DIGITAL TRANSISTOR
THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
D
E
F
G
(SYSCON PCB)
(MFR'S VERSION B)
SERVICE
R1032
TP1001
10K
C1056
0.1 F
NC
C1034
0.1 F
C1035
220P CH
6
7
C1031
0.001 B
R1033
1K
4.9
4.2
0
2.3
1.6
2.1
5.2
0
5.2
59
58
57
56
55
54
53
52
51
TAB_SW
5.2
0
0
CM_ADV_VIDEO/AV1
0
NUB
0
C1046 20P CH
OSC-OUT2
L1001
R1005
2.6
2.2uH
2.7K
OSC-IN2
2.5
R1040
C1047 18P CH
CLKSEL
5.2
33K
NC
TUNER_CONTROL
0
X-RAY_TEST
X-RAY_TEST
0
VSS
0
8
C1040 18P CH
X-OUT(12MHz)
X1001
2.6
12MHz
X-IN(12MHz)
2.1
C1048 18P CH
VCC
5.2
C1049 22P CH
XC_OUT(32KHz)
X1002
1.3
32.768KHz
XC_IN(32KHz)
1.5
C1050 20P CH
RESET
RESET-L
5.2
E/V_MASK
4.8
RENT_H
0
0
22
23
24
25
26
27
28
29
30
0
0
5.2 5.2
0
0
5.2
NC
NC
C1068
0.0022 B
R1085
2.5
2.6
0
5.2
5
6
7
8
2.2
M
4
3
2
1
0
0
0
0
NC
0
4
R1049
NC
4.7K
GND
3
5.1
0
TUNER VIDEO SIGNAL
DEFLECTION SIGNAL
CAPSTAN AFC SIGNAL
CYLINDER AFC SIGNAL
CYLINDER APC SIGNAL
F
G
H
8
FROM/TO Y/C/A/H.AMP
Y/C_CLK
Y/C_DATA
Y/C_CS
7
H.SW
RENT_H
C1062
SD_VIDEO
1 B
ENV_DET
VCR_A_MUTE
CTL+
CTL-
C_ROTARY
DUMMY_V.SYNC
V.REC_ST_H
H.AMP_SW1
COMP
SD_SYNC
6
FROM/TO CHROMA/IF
HD
VD
C-RESET
AFT_M
5
SCL
SDA
OSD_R
C1026
0.01 F
OSD_G
OSD_B
OSD_BLK
AT+5V_BACKUP
AT+5V
VCR_POWER_H
TV_POWER_H
SPOT_H
4
TV_POWER_H
FROM/TO I/O
VCR_POWER_H
E/V_MASK
RENT_H
IIC_OFF
ON_TIM_LED
TV_POWER_H
REC_LED
T-REC_LED
KEY_A
KEY_B
REMOCON_IN
SCL
SDA
FROM/TO SOUND AMP
3
TV_POWER_H
TV_A_MUTE
TONE_CTL
FROM/TO DEFLECTION
X_RAY
X-RAY_TEST
TV_POWER_H
FROM/TO CM/MOV ADVANCE
CM_ADV_VIDEO
CM_ADV_AUDIO
CA/MA_SEL
2
H.AMP_SW2
PCB800
VMX210
1
H

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