Sony GV-D1000E - Digital Video Cassette Recorder, Руководство по обслуживанию

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GV-D1000/D1000E
COVER
COVER
4-23 4-24
For Schematic Diagram
• Refer to page 4-67 for printed wiring board.
• Refer to page 4-74 for waveforms.
VC-275 (4/13)
4-2. SCHEMATIC DIAGRAMS VC-275 BOARD SIDE A VC-275 BOARD SIDE B 4-2. SCHEMATIC DIAGRAMS VC-275 BOARD SIDE A VC-275 BOARD SIDE B
2.3
0
1.6
0.8
0.7
0
1.4
2.3
1.6
4.7
0
1.5
1.6
0
4.7
0
2.4 4.5
1.7
2.1
2.6
2.1
0
R2.5/P0
2.0
R3.2/P2.2
R2.1/P2.7
P0 R2.3/ R1.7/ P0
4.5
0
2.8 0.1 2.7
R1.4/ P2.7
P2.8
R0/
4.7
2.0
1.6
1.6
2.0
4.7
0
4.7
2.2
8
9
7
6
5
4
3
11
10
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
2.9
2.7
XCS_IO
VSP_SO
XVSP_SCK
D_2.8V
A_4.6V
REG_GND
IC3701_C_OUT
IC3701_Y_OUT
VIDEO_OUT
S_C_OUT
S_Y_OUT
IC3301_Y_OUT
IC3301_C_OUT
SDC_IN
VIDEO_IN
S_C_IN
S_Y_IN
EX_C_IN
EX_V/Y_IN
INPUT_SEL
EX_VIDEO_OUT
L3701
10uH
R3729
1k
0.01u
C3745
4700
R3737
39
R3712
C3715
0.33u
B
NJM2285V-TE2 IC3702
1
IN1B
2
CTL1
3
OUT1
4
GND2
5
OUT2
6
OUT3
7
CTL3
8
IN3A
9
IN3B
10
GND3
11
IN2A
12
CTL2
13
V+
14
IN2B
15
GND1
16
IN1A
R3722
1k
C3716
0.01u
B
XX
R3745
0.01u B
C3737
FB3701
0uH
0.01u
B
C3723
220k
R3751
R3721
22k
±
0.5%
C3707
1u
B
10k
R3726
0.01u
B
C3701
220k
R3705
XX
R3743
0.01u
B
C3731
10uH
L3706
68
R3742
R3724
1k
39
R3716
0.01u
B
C3749
10u
6.3V
TA A
C3744
4700
R3739
10u
6.3V
TA A
C3748
10u
10V
TA A
C3746
33
R3713
33
R3715
C3706
0.01u
B
B 2.2u
C3711
C3709
0.033u B
R3728
1k
1000
R3749
10u
6.3V
TA A
C3738
4700
R3702
0.01u
C3742
B
C3710
2.2u
220u
4V
C3747
C3705
0.33u
B
L3705
10uH
10u
10V
TA A
C3741
C3704
0.22u B
XX IC3703
1
SOUT
2
VCC
3
SIN
4
GND
B
2.2u
C3728
10uH
L3707
XX
R3748
C3730
0.01u
B
2SC4738F-Y/GR(TPL3)
Q3701
4700
R3738
B
2.2u
C3729
AN2225NFHQBA
IC3701
1 2 3 4 5 6 7 8 9 10 11 12
13
14
15
16
17
18
19
20
21
22
23
24
25 26 27 28 29 30 31 32 33 34 35 36
37
38
39
40
41
42
43
44
45
46
47
48
4700
R3701
B 2.2u
C3708
10u
6.3V
TA
A
C3743
C3717
1u
B
1.5k
R3747
C3714
10u
10V
TA A
68
R3741
C3734
10u
10V
TA A
R3727
1k
0.01u
B
C3740
10u
6.3V
TA A
C3739
100
R3704
68k
R3750
C3735
0.01u
39
R3746
68
R3740
R3730
1k
39
R3714
XX
R3744
2SA1832F-Y(GR(TPL3)
Q3702
C3724
0.1u
B
4V
220u
C3732
4V
220u
C3733
1k
R3752 22p
CH
C3750
AGC_CONT
ACC_CONT
33
R3717
1
A
DRV_C_O
DRV_Y_O
DRV_Y_O
DRV_C_O
DRV_V_O
ACC_CONT
AGC_CONT
DRV_V_O
AGC_CONT
ACC_CONT
C_GCA_CONT AGC_VOUT C_IN2 MAIN_VCC C_IN3 D_GND C_IN4 D_VCC SI XSCK XCS C_GND
SDC
DRV_C_OUT
C_VCC
Y_GND
Y_INV
DRV_Y_OUT
Y_VCC
V_GND
V_INV
DRV_V_OUT
V_VCC
IR_V_OUT
MM_TC2
4FSC_OUT
MM_TC3
XT
AL
PLL_VCC
EXT
AL
APC_FIL
BGT_OUT PLL_GND
INPUT_C_OUT
VREF
INPUT_Y_OUT
IR
MAIN_GND1
Y_IN1
MAIN_GND2
SYNC_SEP_TC
Y_IN2
CLAMP_TC1
Y_IN3
CLAMP_TC2
Y_IN4
Y_GCA_CONT
C_IN1
BUFFER
27
TO(13/13(CN939))
TO(8/13,9/13)
28
TO(10/13)
29
TO(13/13(CN931))
30
TO(6/13)
32
TO(13/13(CN922))
31
TO(2/13,5/13
6/13,9/13
13/13(CN940))
10
20
TO(2/13)
INPUT SELECT
IC3702
VIDEO LINE IN/OUT
AGC,ACC
IC3701
TO(12/13)
33
VIDEO IN/OUT(IO BLOCK)
XX MARK:NO MOUNT
VC-275 BOARD(4/13)
16
PB
CHROMA
VIDEO SIGNAL
Y/CHROMA
SIGNAL PATH
Y
REC
D
J
9 6
F
12 3
B
10 14 13
E
8 7
H
15 5
I
4
G
11
C
2
BUFFER