Y/C/Audio/Ccd/Head Amp Block Diagram - JVC HR-XVC1U Service Manual

CP101
EP/LP-CH2 (L)
1
2 EP/LP_COM
3 EP/LP-CH1 (R)
4 SP-CH2 (L)
SP_COM
CYL 5
6 SP-CH1 (R)
HF2 (L)
7
8 HF_COM
HF1 (R)
9
HF1
HI-FI/DEMODU
HF_COM
LATOR
HF2
CP103
1 FE HEAD (HOT)
FE HEAD
2 FE HEAD (GND)
CP102
6 AUDIO PB
AUDIO REC
5
HEAD
4 CTL+
AUDIO
CONTROL
3 CTL-
2 AE HEAD(-)
1 AE HEAD(+)
Y/C/AUDIO/CCD/HEAD MAP BLOCK DIAGRAM
X101
3.578545M Hz
Q109
BUFFER
Y/C/AUDIO/CCD/HEAD AMP IC
IC101
LA71205M-MPB
50 49 41
VX01 PULL
TIMMING DRIVER
L
67
H.SW
REC
H FM-EQ
66
KIL
AGC
AMP
C-LPF
H
P
R
65
H.AMP
SW
GCA
72
L
R
P ACC
FM
AMP
AGC
73
DELAY
H
PB
H.SW
FM-EQ
74
L
PB
DOUBLE
PHASE-EQ
LIM
9
REC AMP
7
8
AUTO BIAS
EQ
6 AMP
PB.EE
11 5 4 3 2
COIL, BIAS OSC
L101
Q105
5 2 BIAS CTL
6 3
Q104
BIAS OSC
1
4
Q103
Q101, Q102
SW
AUDIO PB SW
Q107
BUFFER
39
37
OUT
CCD CLAMP
WC NL DETAL
FM
DC EMPHA ENH
MOD
V/I
CONV
P P
Y-LPF
R R
B-UP Main 3.58M YNR/
AMP CONV BPF2 COMB
P
N.L.
3.58M DEEM
BPF1
R
KIL NC1
PB
B.D.
AMP
Y/C MIX
1/2
P
FM SUB
FBC
DEM LPF
LINE
R
AMP V-AGC
LPF
Chara
R
P
INS.
P R
ALC
ALC
DET
MUTE
SYNC
6dB
SEP
10 30 28
80 78 76 32
2-41 2-42
AUDIO SIGNAL(REC)
AUDIO SIGNAL (PB)
PLAYBACK COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
RECORD COLOR SIGNAL
RECORD LUMINANCE SIGNAL
TUNER VIDEO SIGNAL
55
SERIAL
54
DECODER
53
CLAMP 22
21
VCA 36
CLAMP 34
H.AMP SW/
AUDIO
58
MUTE
C ROT
57
RF SW IN
ENV DET 59
CONP
60
OUT
24
25
26
Q106
BUFFER
P. CON + 5V
Y/C_CS
SYSCON
Y/C_DATA
Y/C_CLK
H. AMP_SW
C. ROTARY
H. SW
AUDIO_MUTE-H
SYSCON
ENV. DET
COMP
DUMMY_V. SYNC
C.SYNC
Y/C_VIDEO_OUT
FSC
TUNER/JACK
FRONT_V_IN
TUNER_V
TO_NORMAL_A HI-FI/DEMODU
LATOR
FROM_NORMAL_A
FSC
DVD V OUT
DVD I/O
REGULATOR
V.REC_ST-H
SYSCON
CTL+
CTL-