Sony HandyCam DCR-TRV270E Service Manual page 15

3-1. OVERALL BLOCK DIAGRAM (1/5)
LENS ASSY
ZOOM MOTOR
NIGHT
LENS
SHOT
ZOOM
TEMP
SENSOR
SENSOR
CN1551
5 17 18 15 12 16 10 – 7
ZM SENSE
D 2.8V
VCC
5 7 17 19
SI-041 BOARD (1/3)
MIC901
CN753
INT MIC L
L 1
INT MIC R
R 3
IC751
REMOTE
COMMANDER
RECEIVER
1
TRV285E
J752
A/V OUT
CONTROL KEY BLOCK (CF-5100) (1/2)
SP901
SPEAKER
05
DCR-TRV270E/TRV280/TRV285E
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
FOCUS MOTOR
M M M M
FOCUS
SENSOR
H
1 – 4 13 22 23 21
ZOOM FOCUS FC SENSE IRIS IRIS IRIS
A,B,XA,XB A,B,XA,XB VCC BIAS(+) HALL(+) HALL(-)
2 4 21 23 1 2 5
IC1553 IC1552
(3/10) (3/10)
ZOOM FOCUS HALL HALL
MOTOR MOTOR BIAS AMP
DRIVE DRIVE
13 – 16 9 – 12 3 6 7
HALL HALL
LD EN1 LD EN0 REF OFFSET
LD DIR1A LD DIR0A
LD DIR1B LD DIR0B
HALL
AD
Q1555 (1/2)
D 2.8V
Q1555 (2/2)
ZM RST LED
FC RST LED
OVERALL (3/5)
LENS TEMP AD
(PAGE 3-5)
CN754 (1/3) CN1001 (1/3)
33 4
32 5
Q751
LED
20 17
DRIVE
SIRCS PWM
D753, 754
(IR EMITTER)
D1009
XSIRCS SIG
23 14
D759 XF TALLY LED
25 10
(TALLY)
V
15 22
L
L
18 19
AV JACK IN
19 18
R R
17 20
CN1008
1 SP+, –
2
3-1
3. BLOCK DIAGRAMS
CD-471 BOARD
IRIS
CN951
Q951
IC951
CCD
7 BUFFER
IMAGER
IRIS
METER
1 – 4 12 – 14
M M
V1-V4,RG,H1,H2
20 19
IRIS IRIS DRIVE(-)
BIAS(-) IC1554
(3/10)
14 8
5
XTAL AMP
HALL IRIS
HALL REF
HALL REG
1
GAIN DRIVE
12 10
HALL
GAIN
IRIS PWM,
IRIS COM
HALL OFFSET,
HALL GAIN
3 1
IC1601
2
EVR
(D/A CONVERTER)
7
(3/10)
6
CAM SO, CAM SCK
7
DA STRB
8
IR_ON
SIRCS SIG
13
Y
14
V IC6501
6
C
Y/C MIX
1
BUFFER
(2/10)
AV JACK IN
3
VC-344 BOARD (1/4)
CN1501
CCD OUT
1 14 30
CLPDM,
7 PBLK,
ı 1
XSHP,
18
6 19
RG, H1, H2
9
2 XSHD
ı 21
21
11
8
22 ı
15
ı
23
16
14
25
1
V1 – V4 26
ı
28 XRST VTR
4
40
IC1501
31
TIMING
VCK
12
GENERATOR
X1501
(1/10)
44
27MHz
FREQ TUNE
7 4 45
5
34
41
48
36
CAM DD ON
42
35 38 37 39
2
VSP SO, XVSP SCK
3
IC5401
4
AUDIO
L, R
42
PROCESS
46
(8/10)
56
REC OUT L, R
L 58
27
R
26
62 PB IN L, R
Q5401, 5403 MUTE
64
POWER MUTE
25
13
SP+,– 7
9
A
A
3-2
1
XRST VTR
OVERALL (3/5)
(PAGE 3-5)
2
ı
IC1502 AD0-AD9
11
S/H, AGC, A/D CONVERTER
(1/10)
FE CLPOB
20
43 46 47 48 16
VCK
2
TG AHD, TG AVD
OVERALL (2/5)
(PAGE 3-3)
TG ZSG1
TG ZV1
TG ID
TG VGAT
LD EN0,EN1,
LD DIR0A,B,
LD DIR1A,B,
FC RST, ZM RST
CS CH, CH SO, CH SCK
CAM DD ON
XCS TG
IRIS PWM, IRIS COM
HALL AD, XNS SW
3
CAM SI, CAM SO, CAM SCK
OVERALL (3/5)
DA STRB
(PAGE 3-5)
AV JACK IN
VOUT ON
VSP SO, XVSP SCK
XCS IC 5401
DATA TO SFD
3
8
IC5402
DATA FROM SFD
2
9
A/D, D/A
SFD BCK
12
CONVERTER
SFD LRCK
15 10
(8/10)
SFD FCK
16 11
4
OVERALL (2/5)
(PAGE 3-3)
Q3308
Y OUT
BUFFER
C OUT
BEEP
5
IR ON
OVERALL (3/5)
SDC ON
(PAGE 3-5)
SIRCS PWM
6
SIRCS SIG
OVERALL (4/5)
XF TALLY LED
(PAGE 3-8)
: VIDEO SIGNAL
: AUDIO SIGNAL