JVC HR-XVC1UJ/M Service Manual page 83

A
8
FROM REGULATOR
7
P.CON+5V
GND
FROM/TO HI-FI/DEMODULATOR
FSC
TO_NORMAL_A
FROM_NORMAL_A
6
HF1
HF_COM
HF2
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
P.CON+5V
TO_NORMAL_A
3
FROM/TO HEAD AUDIO CONTROL
P.CON+5V
CP102
IMSA-9604S-06Z14
V.REC_ST-H
6 AUDIO_PB
5 AUDIO_REC
CTL+
4 CTL+
CTL-
3 CTL-
2 AE_HEAD(-)
1 AE_HEAD(+)
AUDIO
FFC CD102
2
PB SW
Q101
2F061501 KTC3198
AUDIO
TO FULL ERASE HEAD PB SW
Q102
CP103 KTC3198
TMC-T02X-E1
GND
2 FE_HEAD(GND)
HOT
1 FE_HEAD(HOT)
1
A
2-18
B
0.047 F
L107
22uH
0305
R104
6.8 1/4W
C103
C105
6.3V 22 MH7 6.3V
R105
10K
5.2
SW
0
Q103
KRA103SRTK
5.3 COIL,BIAS OSC
L101
1626009
6 1
R101
5 2
560
4 3
0
R102
0.7 20
10K
0
0
R103
0.7
10K
0
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
B
C
Y/C/AUDIO/CCD/HEAD AMP SCHEM
4.8
C166 COMP
2.1
KILL
DET
0.068 B
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
PRE GND
1.8
1.8
1.8
0
A-GND
2.3
4.9
A-VCC
2.3
0
22 MH7
C109
2.3
0.1 B
2.3
Y/C/AUDIO/CCD/HEAD AMP IC
IC101
LA71205M-MPB
BIAS CTL
Q105
KTA1266
L102 C112
0
100uH 5.2 6.3V 220 YK
0305
5.2 R108
0
22K
0 BIAS OSC C110
0
Q104
KTC3203_Y
16V 47 YK
C
D
4.8 0 5.2 0 5.2 5.2 5.2 4.9 2.1
60 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
H 3.58M
BPF2
P L
Main B-UP
C-LPF
CONV
AMP
+
4.21M
BPF
HA
Sub
CONV
DETAIL
H
P
L
R
P
1
ALC
2 R LINE
LPF
3
AMP
P
ALC
DET VREF
REC
MUTE
PB,EE
AMP
PB,EE
EQ
REC:LP<EP
AMP
PB:EP
SP,LP
Vref
2.3V
1 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
0
W824
R114
18K
C122
0.0012 B
R112
330K
C118
0.01 B
19
NOTE:
THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
D
(VCR PCB)
R129
4.9
1.8K 1/4W
BUFFER
3.9 Q109
2SC2412K
3.3
17
NC
4.8 4.1 3.2 3.3 3.2 4.9 4.9
50 49 48 47 46 45 4
ALWAYS VD
5V
320FH
SLD
VX01 B
VCO
P R
REC PB REC
APC APC AFC
BEFORE
R P BGA
BGA
AFTER
CNC
BGA
R P
PB
AMP
B.D
P
3.58M
ACC
BPF1
AMP
P P R
PB-C
ACC
DET
YNR/COMB
P R R
P
R
N.L.
CLAMP
PB-C
ENH
DEEM
P
Y-LPF
NL NL
Y/C
NC1
EMPHA
EMPHA MIX
R
FM
MOD
R-EQ
NORMAL
TEST
DOUBBLE FM
SUB
LIM DEM LPF
REC
MAIN
FM-EQ
DE-EM
FM PB
S-EQ
P R
P R AGC FM EQ P
VHS
SOPB
PHASE PHASE
AUTO FM
EQ EQ
BIAS
AGC
Y-GND
Q-ADJ
fo-ADJ FIL
11 12 13 14 15 16 1
4.8 1.1 1.1 1.4 2.0 0 2.6
N
V.ENV
18
TP101
NC
CAUTION