Sony DCR-TRV738E Service Manual page 38

DCR-TRV738E/TRV740/TRV740E/TRV840
COVER
COVER
3-4. OVERALL BLOCK DIAGRAM (4/6)
VC-278 BOARD(4/5)
VSP SO,VSP SI,XVSP SCK
MC BUS
FRRV,TRRT,TRRV
ATF ERR
XCS VFD(IC3301)
XCS SFD(IC3301)
XCS
2 3 4
9 TO
OVERALL XCS EEP
IC4502
BLOCK(3/6)
(PAGE 3-6)
EEPROM 1
XCS TRF(IC3101)
(17/25)
VREF(IC3301)
RF SWP
XFE ON
DRUM 8 PB
RF ENV DET
XCS LCD (IC5501,5502)
XCS EVF (IC7001,7002)
VD SO, VD SCK
DA STB (IC2291)
CAM SO, CAM SCK
VSP SO, VSP SI, XV SP SCK
5 TO
OVERALL
BLOCK(2/6)
(PAGE 3-3)
CAM SO, CAM SI,CAM SCK XCS AU1(IC5701)
VSP SO, VSP SI, XVSP SCK
VD SO, VD SI, VD SCK
CAM SO, CAM SCK
CAM CS(IC1501,1401, 1601)
MECHA HD
MECHA VD
TBC VD
TO
q;
OVERALL
BLOCK(1/6)
XCS CH,CH SO,XCH SCK
(PAGE 3-2)
IRIS PWM
HALL AD
FC RST
HALL AD
ZM RST
FC RST
ZM RST XNS SW
XNS SW
MF A
MF A,B
MF B
PITCH AD
PITCH AD
YAW AD
YAW AD
16
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
(17/25)
DRUM PWM DRUM PWM
IC4501
88
CAP PWM CAP PWM
89
MECHA
69
CONTROL
70 SIGNAL
PROCESS
67
CONTROL
CAMERA
DRUM FG
52 197
CONTROL
DRUM PG
45
198
84
178
179
111
155
CAP FG
190
215
IC6001
97
10
DEW AD
12
119
204
106
MODE SW A-C
107
108
172
170
23
115
LOAD
UNLOAD
15
13
38
39
59
TAPE END
196
TAPE TOP
195
T REEL FG
192
S REEL FG
XCS IC1401 11 193
XCS IC3603 42
43
XCS IC3701
99
TAPE LED ON
XCS IC2201 154
180
ME SW
109
HI8 MP SW
120
82
83
80
77 3
78
X4501
75
20MHZ
1
161
173
202
135
205
62 66
73 65
71 63
IRIS PWM
94
64 XCS MECHA (IC4901)
128
56
54
41
210
211
129
130
3-7
3. BLOCK DIAGRAMS 3. BLOCK DIAGRAMS
(16/25)
(23/25)
IC4401 IC1301
DRUM ERROR
28 (3/3) 29 15 58
(1/2)
CAP ERROR
LPF PWM
25 27 11 64
DRIVE
REC PROOF
XCC DOWN
ZOOM VR AD qa
TO
OVERALL
BLOCK(5/6)
(PAGE 3-10)
HI SO,HI SI,X HI SCK
(16/25)
CN4402
Q1306
DRUM VS IC4401
10
SWITCHING 6 61
U, V, W
(1/3) 59
SWITCHING 57
DRUM
Q1305
MOTOR
DRIVE
DRUM FG
16
FG AMP 17
DRUM PG
PG AMP 20
22
(16/25)
IC4402
CN4403
5
14
U,V,W
CAP VS
7
3 CAPSTAN
9
MOTOR
HU1,2
DRIVE
16
HV1,2
HW1,2
21
CAP FG 22 FG1,2 18
24 FG AMP
23
16
DEW AD
22
MODE SW A-C
19
(16/25)
IC4401
CN4401
(2/3)
LOAD
UNLOAD 55 53 LM(+),LM(-)
LOADING
56 51
MOTOR
DRIVE
TAPE END(C)
TAPE END TAPE END
47 46 14
DETECT
TAPE TOP TAPE TOP(C)
TAPE TOP
44 45 15
DETECT
T REEL FG
41 T REEL(+),(-)
38
T REEL
FG AMP 39
S REEL FG
33 S REEL(+),(-)
36
S REEL
FG AMP
35 10
Q4401
TAPE LED ON
LED DRIVE 13
REC PROOF
ME SW
HI8 MP SW
XCC DOWN
CN4404
CAP FG
15
13
RF SWP (IC4501 172 )
CN1108(4/4)
3-8
M2000 MECHA DECK
M901
DRUM MOTOR
M
5
3
DRUM FG
1
DRUM PG
M902
CAPSTAN MOTOR
M
9
7
HU,HV,HW
2
CAPSTAN FG
DEW SENSOR
21 S901
MODE SWITCH
M903
LOADING MOTOR
2
M
1
D001
TAPE
Q002 LED
TAPE END
SENSOR
Q001
TAPE TOP
SENSOR
7
T REEL
H001
SENSOR
6
9
S REEL
H002
SENSOR
S001
3 REC PROOF
ME/MP
4
HI8 MP
2
C.C. LOCK
1
S002
FOR
ADJUSTMENTS
8