JVC HR-XVC20US Service Manual page 68

A
8
FROM/TO POWER
7
P.CON+5V
GND
FROM/TO HI-FI/DEMODULATOR
FSC
TO_NORMAL_A
FROM_NORMAL_A
6
HF1
HF_COM
HF2
A.VCC
FROM/TO CYL
CP101
TOC-C09X-A1
5
9 HF1 (R)
8 HF_COM
7 HF2 (L)
P.CON+5V
6 SP-CH1 (R)
5 SP_COM
4 SP-CH2 (L)
3 EP/LP-CH1 (R)
2 EP/LP COM
1 EP/LP-CH2 (L)
4
A.VCC
TO_NORMAL_A
3
FROM/TO HEAD AUDIO CONTROL
V.REC_ST-H
CP102
IMSA-9604S-06Z14
6 AUDIO REC
5 AUDIO PB
CTL+
4 CTL+
CTL-
3 CTL-
2 AE HEAD(+)
1 AE HEAD(-)
FFC CD102
2
2H061504
TO FE HEAD
CP103
B2013H02-2P
GND
2 FE HEAD(GND)
HOT
1 FE HEAD(HOT)
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
0.047 F
L107
22uH
0305
C103 C105
6.3V 22 MH7 6.3V 22
R105
C129
1K
1 B
P.CON+5V
5.2
SW
0
Q103
KRA103SRTK
5.3
COIL,BIAS OSC
L101
1626009
6 1
R101
5 2
560
4 3
AUDIO PB SW
Q101
0 KTC3875S_Y_RTK 20
R102
0.7
10K
0
AUDIO PB SW
Q102
KTC3875S_Y_RTK
0
R103
0.7
10K
0
S801X S801Y
B
C
Y/C/AUDIO/CCD/HEAD AMP
4.8
60
C166 COMP
2.1
KILL
0.068 B DET
0
HA
GND
C169
2.9
CHROMA
DET
0.047 F
C165
1.6 ACC
DET
1.8
1.9
1.8
5.0
HA VCC
1.8
1.6
0 HA
PRE GND
1.8
1.8
1.8
0
A-GND
2.3
4.9
A-VCC
2.3
0
MH7
C109
2.3
Vref
0.1 B
2.3V
1
2.3
Y/C/AUDIO/CCD/HEAD AMP IC
IC101
LA71206M-MPB
BIAS CTL
Q105
KTA1266
L102
C112
0
100uH 5.2 10V 220 MH7
0305
5.2
R108
0
22K
0 BIAS OSC
0
Q104
KTC3203_Y C110
16V 47 MH7
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D
(VCR/DVD P
4.8 0 5.2 0 5.2 5.2 5.2 4.9 2.1 4.8
59 58 57 56 55 54 53 52 51
OUT
ENV AUDIO
C-ROT C-GND C-VCC
SERAIL
DET
MUTE RF-SW
HA SW IN DECODER
P
R
P R
3.58M
H
BPF2
P
L
Main B-UP
C-LPF
CONV AMP
P P
+
4.21M
BPF
Sub
CONV
DETAIL
H
P ENH
L
NL
R
EMPHA
P
1
ALC
2 R LINE
LPF
3
AMP
P
ALC
DET VREF
P
REC
MUTE
PB,EE
AMP
PB,EE
EQ
REC:LP<EP
AMP
PB:EP
SP,LP
2 3 4 5 6 7 8 9 10
2.3 2.3 2.3 2.3 2.3 2.3 2.3 0.8 4.8
0
R109
R114
1K
20K
C122
0.0012 B
R112
330K
C118
0.01 B
19
D
2-3
K
4
R129
3.9
1.8K
3
17
4.1 3.2 3
50 49 48
320FH
VX01
VCO
P R
REC PB REC
APC APC AFC
BEFORE
R P B
B
AFTER
BGA
R P
ACC
AMP
R
ACC
DET
P R
P
R
CLAMP
Y-
NL
EMPHA
FM
MOD
R-EQ
NORMAL
TEST
DO
REC
FM-EQ
PB
FM
R AGC FM EQ
VH
PHASE PHASE
AUTO
BIAS EQ EQ
fo-ADJ Q-ADJ
11 12 13
1.1 1.1 1
18