JVC GR-D270US - PRE;MDA (PRE;REC) Schematic Diagram; PRE;MDA (PRE;REC) Circuit Details

(No.YF075)2-34
IC3501
JCY0132
1
ATF_GND
2
F0_EVR
3
PB_GND
4
TC
5
ADREF
6
REF_CLK
7
REC_DATA
8
REC_GND
9
REC_CLK
10
REC_GAIN
11
VCC3
12
MONI_CHG
13
HEAD_VCC
14
REC_R
15
HEAD_GND
16
HEAD_GND
17HEAD_GND
18
DY1
19
Y1
20
X1
21
DX1
22HEAD_GND
23
DY2
24
Y2
25
X2
26
DX2
27HEAD_GND
28
DY3
29
Y3
30
X3
31
DX3
32HEAD_GND
33
HEAD_GND
34
HEAD_GND
35
PBIN_R
36
DUMP
37
VDD2.8
38
HID3
39
HID2
40
HID1
41
PB_H
42
REC_H
43
VCC5
44
R_CTL
45
DCS_C1
46
DCS_C2
47
DCS_C3
48
PB_MONI
49
PB_OUT
50
AGC_IN
51
AGC_CTL
52
AGC_DET
53 PB_GND
54
AGC_OUT
55
AGC_BUFF_IN
56
REG_1.1V
57
AGC_BUFF_OUT
58
VRB_AGC
59 MAIN_GND
60
ATF_GAIN
61
VCA_OUT
62
ATF_IN
63
VRB_ATF
64
ATF_OUT
CN402
1 GND[P/R_GND]
21F
31S
4 GND[P/R_GND]
5 GND[P/R_GND]
62F
72S
8 GND[P/R_GND]
R3501
470
R3502
100k
R3503
1k
R3504
240
R3505
240
R3506
240
R3507
240
R3508 22k
C3526 0.01
C3504 0.047
C3505 0.022 C3506 1 C3507 0.01 C3508 0.01 C3509 0.01 C3510 0.1 C3511 0.01
C3512 0.1 C3513 0.1 C3514 0.047 C3515 0.047 C3516 0.047
01
2029-X
E
N
F0 AUTO
REG
BIAS
BPF
12dB
REG
REG BIAS
LPF
AGC
VCA
10dB
10.3
dB
6dB
DC Servo
F.F.
REC
30dB
30dB
30dB
10dB
10dB
REC_MONI
Dumping
LOGIC
Typ:-1.3dB
Typ:7.8dB
Typ:24dB
TO HEAD
y20358001a_rev0.1
I
ONS".