Sony DCR-TRV240 Service Manual page 79

DCR-TRV240/TRV340
3-4. OVERALL BLOCK DIAGRAM (4/5)
VC-276 BOARD(4/5)
VSP SO,VSP SI,XVSP SCK
MC BUS
FRRV,TRRT,TRRV
ATF ERR
XCS VFD(IC3301)
XCS SFD(IC3301)
XCS IC6001
2 3 4
TO
OVERALL XCS EEP
IC4502
BLOCK(3/5)
(PAGE 3-6)
EEPROM
1
XCS TRF(IC3101)
(4-60)
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
TO
OVERALL
XCS IC1401
BLOCK(2/5)
(PAGE 3-3)
XCS IC3603
CAM SO, CAM SI,CAM SCK XCS AU1(IC5701)
XCS IC3701
XCS IC2201
VSP SO, VSP SI, XVSP SCK
VD SO, VD SI, VD SCK
CAM SO, CAM SI, CAM SCK
CAM CS(IC1501,1401)
MECHA HD
MECHA VD
TBC VD
TO
OVERALL
BLOCK(1/5)
XCS CH,CH SO,XCH SCK
(PAGE 3-2)
IRIS PWM
STB ON IRIS PWM
STB ON
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
( ) : Page No. shown in ( ) indicates the page to refer on the schematic diagram.
(4-58)
(4-60)
IC4401
DRUM PWM DRUM PWM
IC4501
28
88
CAP PWM CAP PWM
LPF
89 25
MECHA
69
CONTROL
SIGNAL
70
PROCESS
67
CONTROL
CAMERA
DRUM FG
52 197
CONTROL
DRUM PG
45
198
84
178
179
111
155
CAP FG
190
215
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
193
11
42
43
99
TAPE LED ON
154
180
ME SW
109
HI8 MP SW
120
82
83
80
77 3
78
X4501
75
20MHZ
1 REC PROOF
161
XCC DOWN
173
202
ZOOM VR AD
205 135
62 66
HI SO,HI SI,X HI SCK
73 65
71 63
94
175
XCS MECHA (IC4901/IC4801)
64
128
56
54
41
210
211
129
130
3-7
IC1301
Q1306
DRUM ERROR
(3/3) 29 15 (1/2) 58 SWITCHING
CAP ERROR PWM
27 11 64
SWITCHING
DRIVE
Q1305
(4-73)
TO
OVERALL
BLOCK(5/5)
(PAGE 3-10,12)
M2000 MECHA DECK
(SEE PAGE 4-25)
(4-58)
M901
CN4402
DRUM MOTOR
DRUM VS
IC4401
6 10
61
U, V, W
M
(1/3)
59
57 5
DRUM
MOTOR
DRIVE
DRUM FG
16
FG AMP 17 3
DRUM FG
DRUM PG
22 PG AMP 20 1
DRUM PG
(4-57)
M902
IC4402
CN4403
CAPSTAN MOTOR
5
14
U,V,W
CAP VS
7 M
3 CAPSTAN
9
MOTOR
9
HU1,2
DRIVE
16
HV1,2 7
HW1,2
HU,HV,HW
21 2
CAP FG
22 FG1,2 18
24 FG AMP CAPSTAN FG
23
16
DEW AD
22
DEW SENSOR
21 S901
MODE SW A-C
MODE SWITCH
19
(4-58)
IC4401
M903
CN4401
LOADING MOTOR
(2/3)
LOAD
2
UNLOAD 55 53 LM(+),LM(-)
M
LOADING
56 51
1
MOTOR
DRIVE
Q002
TAPE END(C)
TAPE END TAPE END
TAPE END
47 46 14
DETECT
SENSOR
Q001
TAPE TOP TAPE TOP(C)
TAPE TOP
TAPE TOP
44 45 15
DETECT
SENSOR
T REEL FG
41 T REEL(+),(-)
38 7
T REEL T REEL
SENSOR
FG AMP 39 6
S REEL FG
33 S REEL(+),(-)
36 9
S REEL S REEL
FG AMP SENSOR
35 10
Q4401
TAPE LED ON
LED DRIVE 13
S001
REC PROOF
REC PROOF
3
ME SW
ME/MP
4
HI8 MP SW
HI8 MP
2
XCC DOWN
C.C. LOCK
1
S002
CN4404
CAP FG
15
CN1108(4/4)
13 FOR
ADJUSTMENTS
RF SWP (IC4501 172 ) 8
3-8
D001
TAPE
LED
H001
H002