Sony HVR-S270J Service Manual page 132

1 2
MECHANISM
A
BLOCK
MD-76 BOARD
XX MARK: NO MOUNT
NO MARK: REC/PB MODE
∗: IMPOSSIBLE TO MEASURE THE
VOLTAGE AT THE MARKED POINTS.
B
CN002 21P
CL005
TAPE_END 1
CL006
CC_DOWN 2
CL007
C_IN 3
CL008
MODE_A 4
CL009
MODE_B 5
CL010
MODE_C 6
CL011
MODE_D 7
CL012
C
S_ELETEN 8
NN-006 CL013
T_ELETEN 9
(3/3)
CL014
5V 10
CN7302
CL015
Through the
5V 11
Flexible Flat Cable CL016
(FFC-125) TAPE_LED 12
CL017
(Page 4-61)
GND 13
CL018
L_CASETTE 14
CL019
DEW 15
CL020
D
W- 16
CL021
W+ 17
CL022
V- 18
CL042
V+ 19
CL043
U- 20
CL044
U+ 21
E
IC002
T ELETEN SENSOR
IC002
THS124TE85L
F
CN001 21P
CL024
REEL_V 1
REEL_V 2
CL025
G
REEL_U 3
REEL_U 4
CL026
REEL_W 5
REEL_W 6
CL027
GND 7
CL028
GND 8
NN-006
CL029
FG1 9
(3/3)
CL030
5V 10
CN7303
CL031
H
Through the
5V 11
Flexible Flat Cable
CL032
(FFC-126) FG2 12
CL033
(Page 4-61)
SREEL_FG 13
CL034
TREEL_FG 14
CL035
REC_PROOF 15
CL036
CHIME_4 (VDD) 16
CL037
CHIME_3 (SDA) 17
CL038
CHIME_2 (SCK) 18
I
CL039
GND 19
CL040
GND 20
CL041
TAPE_TOP 21
Q002
PT4850FE000F
TAPE TOP SENSOR
J
05
HVR-S270J/S270U/S270N/S270E/S270P/S270C
3 4 5
JL010
JL009
ENCODER
JL008
JL007 JL011
D001
GL453SE0000F R003
120
(TAPE LED)
JR003 0
JR001 0
RV001
JR005
JR004
0
0 GAIN
RV001
R007 R008 JR006
1M
100 22k 0
1.3 5
2
OUT1 Vcc
R004 22k
3 1
0.4
2.5 2.6
3
4.6 2.5 CL001 IN1- OUT2
H R009 22k
1 2
R005 6800 2.5 2.5
4 R030
2.5 IN1+ IN2-
0
R006
1
6800 R010 6800
RV002 2.5
RV002
GND IN2+
47k
OFFSET 2
R011
3
6800
R031
C002
0
R028 10u R027
100 10V XX
CL002 TA
R026 C001
XX IC001 0.01u
ELETEN ERROR AMP
IC001
BA10358F-E2
∗
IC004
T REEL FG
IC004
R014
TLP907 (LB, SONY)
270 2.3
2.8
6 7 8
2.8
1 2
S003 Q001
PT4850FE000F
(CC DOWN)
3 4 TAPE END SENSOR
1 2
S002
(C IN)
3 4
S001
(L/S CAS)
RV003 RV004 R013 R012
22k 100
GAIN OFFSET
RV003
1M R033
1 3
0
1
2
RV004
2
47k
CL004 IC003
3
R032
2.6
4
0
2 1
H S ELETEN SENSOR
CL003 2.5 4.6 IC003
3
0.4 THS124TE85L
R029
100
∗
3 4 3 4
IC005
S REEL FG
IC005
TLP907 (LB, SONY)
1 2 1 2
1.2 1.2
4-73
9 10 11
FP-248 FLEXIBLE BOARD
2 GND CL046 GND 2
1 DEW CL045 DEW 1
DEW
SENSOR
R015 CN003 18P
150 CL061
18 HE Vcc
R001 150 CL060
17 HE GND
CL059
16 W-
CL058
15 W+
CL057 HALL
14 V-
CL056
13 V+
CL055
12 U-
CL054
11 U+
CL053
10 MR_FG2
CL052
9 MR_Vcc
CL051 FG
8 MR_FG1
CL050
7 MR_GND
6 W
CL049
5 W
4 U
CL048
3 U
2 V
CL047
1 V
M904
REEL MOTOR
FP-104 FLEXIBLE BOARD
Note: CN004 and S004 are not
included in FP-104 flexible board.
1 GND JL001 GND 1
2 REC_PROOF JL002 REC_PROOF 2
1
3 CHIME_4 (VDD) JL003 CHIME_4 (VDD) 3
2
4 CHIME_3 (SDA) JL004 CHIME_3 (SDA) 4
3
5 CHIME_2 (SCK) JL005 CHIME_2 (SCK) 5
4
6 GND JL006 GND 6
12 13 14
S004
(REC PROOF)
CN004
(4 PIN CONNECTOR)
MD-76, FP-104, FP-248