Sony HVR-S270J Service Manual page 83

1 2 3
A
FRONT_VOL_O
FRONT_VOL_I
D_2.8V
B
8 7 6 5
C7506
0.1u
BUFFER
10V
1 2 3 4
0
C
D
E
AU_8V
F
AU_MIC_+1
AU_MIC_-1
G
AU_LINE_1
AU_MIC_+2
AU_MIC_-2
AU_LINE_2
IC_7501_VREF
H
IC_7501_CH3
IC_7501_CH4
I
J
D_2.8V
K
R7541 100
CH1_INPUT1/INPUT3
R7542 100
CH2_INPUT2
CH2_INPUT4
R7543 100
4CH_REC
L
0 5
HVR-S270J/S270U/S270N/S270E/S270P/S270C
4 5 6 7
AU_4.6V
D_2.8V
REG_GND
SELECTOR
CH3
4 4 0 AMP
IC7517
8 7 6 5 NJM2125F(TE2)
0 1 A
C7575 4
0 0
10u
CH1
2.8
B
10V
4
0
INH
1 2 3 4
4
Q7511 Q7510
UNR92A1G08S0
UNR92A1G08S0
4
SWITCH SWITCH R7664
10
L7505
10uH
IC7520
NJM2125F(TE2)
4
C7505
2.2u
100k 4
B
R7698
6.3V
BUFFER
4
C7579 4
0.22u 16V B
4
C7580 0.22u 16V B
C7582
10u 6.3V B 4
4
C7583 0.22u 16V B
C7584 0.22u 16V B 4
6.3V 4
C7586 10u B
8
R7654 R7655 R7656 R7657
100k 100k 100k 100k
4
4 4
14 13 12 11 10 9 8
SWITCH
AMP
IC7515
NJM2125F(TE2)
4 8
VDD
1 2 3 4 5 6 7
R7554
4
100
4
4
4
0
2.8
0
Q7504 2.8
Q7505
UNR92A1G08S0
UNR92A1G08S0
0
0
2.8
Q7502
2.8
UNR92A1G08S0
7.8
Q7503 2.8
UNR92A1G08S0
Q7506
2.8
UNR92A1G08S0
0
16 15 14 13 12 11 10 9 Q7507
0
UNR92A1G08S0
Q7502-Q7509
SWITCH
DECODER
C7574
0.01u
25V
1 2 3 4 5 6 7 8
2.8
2.8
2.8
0
2.1
R7659 0
100k R7660
1 0 0 k
Q 7 5 0 9
U N R 9 2 A 1 G 0 8 S 0
R E G _ G N D
8 9 1 0
R7522
33
16 15 14 13 12 11 10 9
A/D C7563
CONVERTER 10u
B
L7504 6.3V
10V
22uH 10u B
C7531
L7501 1 2 3 4 5 6 7 8
16V
22uH B
2.3 0.1u
C7533
4.6 2.8
2.3
22uH
C7553
C7562 L7503
0.1u
10u
B 10V 16 15 14 13 12 11 10 9
C7560 B
10V
10u
B
10V C7524 0.1u B
0.1u 10V C7561
C7519 B 10u
C7554
10u 16V B
D/A
B C7520 10V
6.3V 10u CONVERTER
B
6.3V
1 2 3 4 5 6 7 8
VDD
8
R7552 100
4
R7505
10
22k
R7514
22k
R7519
16V
6.3V
22u
C7521
C7515
22u
TA C
TA
6.3V
16V 50V 50V
47u
22u
C7512 680p 680p
C7510
C7568
C7569
8
R7517
C7589 R7643
5100
2.2u 6.3V
5100
B R7515 R7644
R7551 100 R7506
4700 2700
C7592
100
4 22u C
C7570
6.3V
100p R7507
C7517 100
100p
6.3V 10u
C7529
C7516
10u
48 47 46 45 44 43 42 41 40 39 38 37
6.3V
R7532 R7527
C7595
XX XX
22u C
6.3V
BAL2IN
EMP1OUT
4
VOL2OUT(1.5Vpp) Q7501
EMP1FIL XX
Chip Add
BIN1+(MIC1)
0 R7526 100k
STANDBY
BIN1-
BUSY 0.1
MICIN1
2.8
IC7501 XCS
LINEIN1
2.8 R7530 100
M61534FP CLK
NC
AUDIO SIGNAL DATA 1.8
BIN2+(MIC2) PROCESSOR R7533 100k
2.8
TEST
BIN2-
AGND
MICIN2
AGND
LINEIN2
NC
AVCC
13 14 15 16 17 18 19 20 21 22 23 24
C7509
100u
6.3V C7518
TA TA 47u IC_7501_DETCOM2
6.3V
IC_7701_DETCOM2
C7523
R7512 C7526
C7578
1u B 10V
100k
2.2u 10V
C 1u B
16V
100k
R7669
IC7519
NJM2125F(TE2)
8
4 VDD
4 R7553 100
4
BUFFER
4-24
1 1 1 2 1 3 1 4
C7544
4.7u 10V 680p
5100
B
C7540 B R7568
50V
10V
C7538 R7571 10u
C7594 10u B 5100 10k C7546
0.1u 10V
R7569 B
10V
R7572
C7542
47k
B 100p
50V R7573
47k
6
AU_6V
8 7 6 5
AMP
AU_CH2 1 2 3 4
AU_CH1
100p
B
C7541
50V
10V
B
R7567 47k
C7545
5100 R7574
10u
10k
R7570
R7565
C7539
47k
4.7u 5100
B R7575
10V
680p
B
C7543
50V
VSP_SO_
XVSP_SCK_
XCS_DA1_
XPOWER_DOWN_DA1_
CKFSO_
CK64FSO_
CK256FSO_
IC_1801_ADAO1_
C7564
0.1u
DOWN CONVERTER
B
10V IC7508 TC7WH157FK(TE85R)
2.8V
XPWAD
2.8
VCC A
C7565
0.1u 0.7
B
ST
10V B
0.7
0
SEL Y
2.2
0.7
Y GND
DOWN CONVERTER
IC7509 TC7WH157FK(TE85R)
SWITCH
2.8
IC7513
TC7WH74FK(TE85R) VCC A
C7566
R7645
0.1u 0.7
1.4 2.8
100 VCC B
CKFSO ST
CK B
10V
0.7
0 0
PB_DOWN_CONV PRB
SEL Y
D
0.7 2.2
CLRB
Y GND
QB
0
Q
GND
XCS_IC_7501 0.1u
C7571 B
XVSP_SCK
VSP_SO
1 5 1 6
A
AUIN11
CKFSO
CK64FSO
CK256FSO
XPOWER_DOWN_DA1
B
XCS_DA1
VSP_SO
XVSP_SCK
C
10 9 8 7 6 5 4 3 2 1
C7559
BUFFER 0.1u
10V
11 12 13 14 15 16 17 18 19 20
D_2.8V
R7638
0
D
VSP_SO_
XVSP_SCK_
REG_GND
CKFSO_
CKFSO_
CK64FSO_
CK64FSO_
CK256FSO_
E
CK256FSO_
IC_1801_ADAO2
R7593
100
IC_1801_ADAO1
R7594
100
IC_1801_ADAO2INV
F
IC_1801_ADAO1
R7595 IC_1801_ADAO1
100
IC_1801_ADAO2
IC_1801_ADAO2
R7596
100
IC_1801_ADAO1_
G
IC_1801_ADAO2_
H
I
J
K
VC-513 BOARD (18/28)
AUDIO SIGNAL PROCESS 1
XX MARK:NO MOUNT L
NO MARK:REC/PB MODE
∗:IMPOSSIBLE TO MEASURE THE
VOLTAGE AT THE MARKED POINTS.
VC-513 (18/28)