Memorex MVR2041, Руководство по обслуживанию

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SYSCON/SERVO/TIMER IC
IC1001 OEC8071A
SEG 4
MS SEN-B
SEG 5
SEG 9
SEG 10
10
20
80
11
22
SYSTEM CONTROL/SERVO/TIMER/DECK BLOCK DIAGRAM
OPERATION
X1001
14.31818MHz
OSC I
OSC 0 38
37
KEY-A
87
REEL-T 4
REEL SENSOR
Q1002
1
2
VCC
BOT
BOT SENSOR
Q101
Q1006
CP1003
1
2
U-OUT
V-OUT
CP1001
3 W-OUT
CAP PWM 33
CAP LIMIT
21
CAP FULL
32
FGF 67
CAP FWD-L 46
3
4
I LIMIT
CTL
CP1002
6 CAP FG
7 CAP/M/F/R
2 3
SENS LED
63
MS SEN-A
81
MS_SEN A
Q1005
MS_SEN B
Q1004
2
3 4
1 2
3 4
1
Q1003
SENSOR SW
MICRO
MOTOR
CAPSTAN
DD UNIT
DECK PCB
P.SAVE_OFF_5V
E-3 E-4
SEG 6
SEG 7
12
13
SEG 8 19
Y/C/AUDIO/CCD/
HEAD AMP
CTL(+)
C.ROTARY
CTL(-)
Y/C DATA
24
75
49
98
CV IN
16
Y/C CS 15
H.AMP SW 99
DUMMY V.SYNC
74
COMP 100
H.SW
VIDEO ENV DET
83
23
V.REC ST-H 59
AUDIO MUTE-H 60
IIC CLK 18
Y/C CLK 14
IIC DATA 17
AFT S.CURVE
TUNER
VCR-H(TV/VCR) 27
CV OUT 47
RF CH SW 29
FF/REW-L 62
C0 76
TAB SW
31 SW1001
RESET
AT + 5V (M-CON)
POWER ON-H 58
25
POWER FAIL-H
82
SEG 3
9
1
FF/REW SW
Q1010
RESET SW
Q1007, Q1014
POWER
CTL+
C.ROTARY
CTL-
Y/C_DATA
OSD V
Y/C_CS
H.AMP SW
DUMMY_V.SYNC
COMP
H.SW
ENV.DET
V.REC ST-H
AUDIO MUTE-H
Y/C_CLK
IIC_CLK
IIC_DATA
AFT-S.CURVE
TV/VCR
VIDEO_OUT
RF_CH_SW
POWER_ON-H
POWER_FAIL
KEY-B
86
4G
5G
93
94
SEG 1
SEG 2
7
8
3G/REC LED
92
REM IN
5
2G/T-REC LED
91
1G/TV/VCR LED
90
SEG_4
SEG_5
SEG_9
SEG_10
KEY-A
SEG_6
SEG_7
SEG_8
SEG_3
KEY-B
4G
5G
SEG_1
SEG_2
3G/REC_LED
REM_IN
2G/T-REC_LED
1G/TV/VCR_LED
AT + 5.2V
CYL/LOADING MOTOR DRIVER
IC1002 LB11880
V OUT
W OUT
PG IN(+)
17
4
18
M COM
PG OUT1
19
PG IN(-)
5
U OUT
16
X OUT
Y OUT
13
15
PG OUT2
BFG0 8
7
VC 2
X IN
Y IN 12
11
6
CYL.SPEED UP 61
DPG 66
DRUM PWM 34
DFG
65
LDM RVS-H 96
LDM FWD-H 97
4 M-COM
6 PG OUT
7 PG GND
3
4
LDM-
LDM+
M
LOADING
MOROTOR
BOT
78
1
4
EOT 79
EOT SENSOR
D1001
REEL-S
3