Sony DCRTRV250 - Digital8 Camcorder With 2.5" LCD, Service Manual, Page: 43 / 147

DCR-TRV250
COVER
COVER
3. BLOCK DIAGRAMS 3. BLOCK DIAGRAMS
FRRV, TRRV, TRRT
HALL AD, FC RST, ZM RST,
LENS TEMP AD, XNS SW
HALL AD
CK CONT
PITCH AD, YAW AD
IRIS PWM
VC-305 BOARD (3/5)
M2200 MECHA DECK (2/2)
FP-569
FLEXIBLE
SWITCHING
SWITCHING
IC4501
IC2401 (3/3)
DRUM PWM
CAP PWM
DRUM ERROR
CAP ERROR
DRUM
MOTOR
DRIVE
FG AMP
PG AMP
53
50
52
49
61
62 88
89
31 21 20
19 18 30
193
180
91
120
135
198
197
63
65
68
106
ı
108
62
73
71
CAMERA/
MECHA
CONTROL
(13/20)
15
13
32
33 69
72
26
27
25
22
23
Q1310
CN2402
DRUM FG
DRUM MOTOR
M901
DRUM VS
LOADING
MOTOR
DRIVE
TAPE END
DETECT
43
45
LPF
Q1309
10
ı
5
3
CAPSTAN
MOTOR
DRIVE
FG AMP
4
74
76
78
U, V, W
LM (+) , LM (–) UNLOAD
LOAD,
TAPE END (C)
DRUM FG
DRUM PG
CAP VS
CAP FG
CAP FG
DRUM FG
DRUM PG
DEW AD
MODE SW A – C MODE SW A-C
UNLOAD
LOAD
TAPE END
TAPE TOP
S REEL FG
TAPE LED ON
REC PROOF
TAPE END
TAPE TOP
S REEL FG
CAP FG
V LIGHT PWM V LIGHT PWM
ME SW
HI8 MP SW
1
CN2404
CN754
14
10
ı
15
15
13
3
4
2
5
6
1
TAPE TOP (C)
T REEL (+) , (–)
S REEL (+) , (–)
TAPE TOP
DETECT
T REEL
FG AMP
S REEL
FG AMP
21
ı
19
7
6
18
16
9
10
DEW AD
HU1, 2
HV1, 2
HW1, 2
CAP U, V, W
CN2403
CN2401
22
XCC DOWN
ZOOM VR AD
05
11
28
M
DRUM PG
CAPSTAN MOTOR
M902
M
HU, HV, HW
DEW SENSOR
MODE SWITCH
S901
Q2401
VL UNREG
LIGHT VCC
LOADING MOTOR
M903
Q002
SENSOR
TAPE END
LED
TAPE
D001
M
FG1, 2
CAPSTAN FG
Q001
SENSOR
TAPE TOP
H001
SENSOR
T REEL
H002
S001
S002
REC PROOF
SENSOR
S REEL
ME/MP
HI8 MP
C. C. LOCK
REC PROOF
ME SW
HI8 MP SW
XCC DOWN
VIDEO LIGHT
OVERALL (5/5)
(PAGE 3-9)
OVERALL (1/5)
(PAGE 3-2)
(14/20)
(14/20)
(14/20)
14
ı
9
7
ı
2
2
1
DRUM/CAPSTAN
PWM DRIVE
(18/20)
IC1301 (1/2)
6
18 8
CN1002 (2/3) CN753 (2/3)
SI-035 BOARD (2/3)
25
9
24
IC2401 (1/3)
IC2401 (2/3)
FG
PG
LED DRIVE
TAPE LED (K)
3
17
A
: VIDEO SIGNAL
A
: SERVO SIGNAL
128
FC RST
56
ZM RST
54
LENS TEMP AD
XNS SW
TRRT
TRRV
FRRV
127
41
YAW AD
PITCH AD
130
129
94
78
77
75
161
VREF
LINE OUT V
BIRDS VD
VFI OE
USB XEN
ALIGN VD
204
201
203
68
195
207
OVERALL (2/5)
(PAGE 3-3)
10
OVERALL (4/5)
(PAGE 3-7)
18
38
XCS LCD
1
IC4502
EEPROM
(13/20)
87
86
84 2
5
6
45 – 52
32 33
CN1011 (2/4)
CPC
(FOR CHECK)
190
119
64
67
75
77
7
8
3
1
X4501
20MHz
XCS EEP
10
SERIAL
INTERFACE
38
36
37 16
XCS IC2401
34
100
XRST VTR
XRST VTR
XRST VTR OVERALL (5/5)
(PAGE 3-9)
16
OVERALL (1/5)
(PAGE 3-2)
1
OVERALL (2/5)
(PAGE 3-3)
9
BIRDS FLD
185
XCS IC3701
99
XCS AU1
43
172
SYS V
181
DA STRB
RF SWP
RF SWP
XCS IC8301
59
18
XCS IC6001
215
XCS IC8001
155
179
178
23
DRUM
MODE SWITCH
Q2402
69
70
67
82
80
63
ı
66
189
OVERALL (1/5)
(PAGE 3-2)
5
OVERALL (2/5)
(PAGE 3-4)
13
OVERALL (2/5)
(PAGE 3-4)
14
XCS EVF
105
EVF VG
4
8
XSYS RST
9
29 192
T REEL FG T REEL FG
138
LM LIM DET LM LIM DET
FRRV
1
109
31
41
44
ALL PS
29
SW PS
37
XME/MP
170
XFE ON
35
SPCK SPCK
39
VIDEO LIGHT
DRIVE
Q751, 752
CH CS, CH SO, CH SCK
HI SI, HI SO, XHI SCK, XCS MECHA
VD SO, VD SCK
VD SO, VD SCK
VSP SO, XVSP SCK
VSP SI, VSP SO, XVSP SCK
VSP SO, VSP SI, XVSP SCK
VSP SO, VSP SI, XVSP SCK
CAM SI, CAM SO, CAM SCK, CAM CS
CAM SI, CAM SO, CAM SCK, CAM CS
MC BUS
VSP SI, VSP SO, XVSP SCK
CAM SI, CAM SO, CAM SCK, CAM CS
EEP SI, EEPSO, EEP SCK
3-5 3-6
3-3. OVERALL BLOCK DIAGRAM (3/5) ( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.