Overall Block Diagram 4 - Sony DCR-TRV820 Service Manual

DCR-TRV820/TRV820E/TRV820P

3-4. OVERALL BLOCK DIAGRAM 4

VC-235 BOARD (4/4)
XCS TAKO
OVERALL (1/4) RF ENV DET
4
(SEE PAGE 3-2)
VSP SI, VSP SO, XVSP SCK
2
IC4502
ı
EEPROM
4
(SEE PAGE 4-36)
VSP SI, VSP SO, XVSP SCK
MCD A0 – A7, MCH A0, MCH A1
OVERALL (3/4)
12
(SEE PAGE 3-5)
FRRV, TRRT, TRRV
XCS VFD, XCS SFD
DRP SO, XDRP SCK
OVERALL (3/4)
13
(SEE PAGE 3-6)
VC RF SWP
DV RF SWP
DRUM 8PB
XFE ON
OVERALL (2/4)
7
(SEE PAGE 3-3)
HI SO, HI SI, XHI SCK
HI SO, HI SI, XHI SCK
MECHA FLD, MECHA HD, MECHA VD
LENS FILTER ON, IRIS PWM, HALL AD
OVERALL (1/4)
4
CK CONT1, CK CONT2
(SEE PAGE 3-2)
XCS KINUTA
XCS CH, CH SO, XCH SCK
VC SI, VC SO, XVC SCK
2 – 4
OVERALL (3/4)
14
VC SO, XVC SCK
(SEE PAGE 3-6)
IC4901
EEP ROM
(SEE PAGE 4-37)
OVERALL (3/4) PITCH AD, YAW AD
11
(SEE PAGE 3-5)
ZOOM VR AD
OVERALL (2/4)
8
(SEE PAGE 3-3) XCC DOWN
CAM DD ON, VTR DD ON
05
18
99
DRUM FG
116
DRUM PG
XCS EEP
117
1 88
109
CAP FG
110
115
71
IC4501
74
39
ı
MODE SW A, B, C
Digital8 40
76
MECHANISM
41
26
CONTROL S REEL FG
ı
113
38
106
(SEE PAGE 4-35)
ı T REEL FG
114
108
DEW AD
96
17
38
TAPE TOP
53
TAPE END
78
54
79
XFE ON 49
59
DRUM 8PB 50
111
DV RF SWP
68
62
69
55
44
81
ı
83
XO
1
2
116
X4901
20MHz
117
1
TAPE TOP
41
74 TAPE END
ı 42
76
32 UNLOAD, LOAD
33
VC RF SWP
47 DRUM PWM
69
CAP PWM
68
35
MODE SW A, B, C
MECHA FLD
111 IC4902 ı
MECHA HD 37
112
CAMERA
MECHA VD
118
CONTROL
LENS FILTER ON
Hi8/Std8
43
IRIS PWM
MECHANISM
70
HALL AD CONTROL
93
CAP FG
CK CONT1 109
104 (SEE PAGE 4-37)
105
CK CONT2
110
19
81
ı
83
78
TAPE LED ON
ı 31
80 S REEL AFG
95
T REEL AFG
96
ME SW
38
HI8 MP SW
40
PITCH AD
97
YAW AD
98
87
3-7
IC4401
(SEE PAGE 4-40)
CN4402
DRUM FG SENS
DRUM FG
FG AMP 3 3
16 18
DRUM FG
DRUM PG DRUM PG SENS
1 1
22 PG AMP 20 DRUM PG
57
5 5
DRUM VS U. V. W
6 DRUM MOTOR ı ı
59
10 10
DRIVE
61
DRUM MOTOR
CN4404
(1/2)
S REEL FG S REEL FG S REEL +, –
35 4 11 S REEL
33
S REEL AFG AMP 36 5 12 SENSOR
34
T REEL FG
41 38 T REEL +, – 11 4 T REEL
T REEL FG
T REEL AFG
12 5
39 SENSOR
40 AMP
TAPE TOP TAPE TOP C
TAPE TOP TAPE TOP
44 45 2 14
SENSOR
DETECT
TAPE END
TAPE END TAPE END C TAPE END
47 46 8 8
DETECT
SENSOR
UNLOAD
CN4401
5 1
55 51 LM +, –
LOAD LOADING MOTOR
ı ı
65 DRIVE 53
8 4
DRUM PWM DRUM ERROR M903
28 29
LOADING
CAP PWM CAP ERROR
LPF
25 27
MOTOR
S901
2 5
MODE SW A, B, C
MODE
3 6
SWITCH
4 7
CN4404
Q4401 (2/2)
TAPE LED ON
LED DRIVE 14 2
S001
REC PROOF SW
7 9
ME SW
6 10
HI8 MP SW
3 13
S002
XCC DOWN
15 1
CN4403
DEW AD
12 1 DEW SENSOR
CAP FG
1 12 CAPSTAN FG
7 5
8 6
CAPSTAN
MOTOR
MECHA DECK (2/2)
(B700 MECHANISM)
(SEE PAGE 4-39)
CAPSTAN VS
DRUM VS
M M
M901
TAPE
END
CN1109
BL REG
3
M M
PANEL 2.8V
8
TO PANEL 4.75V
7
PD-118
PANEL 13.3V
BOARD 6
PANEL –15.3V
CN5701
5
BL CONT
4
CAM12V
CAM–6.5V
CAM DD ON
EVF4.6V
REC PROOF
EVF4.75V
ME/MP
EP2.8V
HI8 MP
EVF13.3V
EVF BL
CC DOWN
D1.5V
D2.8V
A2.8V
AU2.8V
MT4.75V
AU4.75V
M M
A4.75V
M902
RP4.7V
VTR DD ON
Q1305
SWITCHING
SWITCHING
Q1306
3-8
IC1301
DC/DC
CONVERTER
ACV UNREG
(SEE PAGE 4-45)
29
30
CAPSTAN PWM
CAP ERROR
64 11
DRIVE
DRUM ERROR
58 DRUM PWM 15
DRIVE