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

A B
8
FROM/TO 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)
L107
P.CON+5V
6 SP-CH1 (R)
22uH
5 SP_COM
0305
4 SP-CH2 (L)
3 EP/LP-CH1 (R)
2 EP/LP COM
1 EP/LP-CH2 (L)
4
R104
P.CON+5V
6.8 1/4W
C103
6.3V 22 MH7 6.3V
R105
TO_NORMAL_A
10K
3
FROM/TO HEAD AUDIO CONTROL
P.CON+5V
CP102
5.2
SW
IMSA-9604S-06Z14
0
V.REC_ST-H
Q103
6 AUDIO PB
KRA103SRTK
5.3 COIL,BIAS OSC
5 AUDIO REC
L101
CTL+
4 CTL+
1626009
CTL-
3 CTL- 6 1
R101
2 AE HEAD(-) 5 2
560
1 AE HEAD(+) 4 3
AUDIO 0
2 FFC CD102
PB SW R102
0.7 20
Q101
2F061501 KTC3198 10K
0
AUDIO
TO FE HEAD PB SW
0
Q102 R103
0.7
CP103 KTC3198
10K
TMC-T02X-E1
0
GND
2 FE HEAD(GND)
HOT
1 FE HEAD(HOT)
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
C D
Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM
4.8 4.8 0 5.2 0 5.2 5.2 5.2 4.9
60 59 58 57 56 55 54 53 52
C166 COMP OUT
ENV AUDIO C-ROT C-GND C-VCC
2.1
KILL DET MUTE RF-SW SERAIL
0.068 B DET HA SW IN DECODER
0
HA
GND
C169
2.9
CHROMA
DET
0.047 F
C165
1.6 ACC
DET
0.047 F
1.8
P
1.9
R
P R
H
1.8
P L
Main
C-LPF
5.0 CONV
HA VCC
1.8
+
1.6
4.21M
BPF
0 HA
PRE GND Sub
CONV
1.8
P H
L
1.8
R
1.8
P
0
A-GND
2.3
1
ALC
2 R
LPF
3
P
4.9
A-VCC
ALC
2.3
DET VREF
C105 REC
0 PB,EE AMP
PB,EE
EQ
REC:LP<EP
22 MH7
C109 AMP
2.3 PB:EP
SP,LP
Vref
0.1 B 2.3V
1 2 3 4 5 6 7 8 9
2.3 2.3 2.3 2.3 2.3 2.3 2.3 2.3
Y/C/AUDIO/CCD/HEAD AMP IC 0
IC101
LA71205M-MPB
R114
W824
18K
C122
BIAS CTL
0.0012 B
Q105
KTA1266
L102
C112
R112
0
100uH 5.2 6.3V 220 YK 330K
0305 C118
5.2
R108
0 0.01 B
22K
0 BIAS OSC
C110
0
Q104
KTC3203_Y
16V 47 YK
NOTE: THE DC VOLTAGE AT EACH PART WAS CAUTION: DIGITAL TRANSISTOR
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
C D
E
(VCR PCB)
4.9
R129
BUFFER
3.9 Q109
1.8K
2SC2412K
3.3
1/4W
C142
16V 47 YK
C143
0.1 F
R127 C141
17
680K 0.01 B
NC
2.1 4.8 4.1 3.2 3.3 3.2 4.9 4.9 1.2 2.2 0.8
51 50 49 48 47 46 45 44 43 42 41
BUFFER
ALWAYS VDD 4Fsc CLOCK
0
5V Q107
320FH SLD VSS
VX01 B PLL
VCO
2SA1037AK
1.6
P R
TIMMING OUT
OUT 1.6
REC PB REC
0 0 2.2
APC APC AFC DRIVER AUTO-BIAS
VSS
3.2
CCD CLAMP
BEFORE IN
R P BGA C133
BGA
2.5
AFTER
CNC
50V 1 YK C137
BGA
R
P VCA 3.2
PB
VCA
AMP 50V 1 YK
3.58M C134
BPF2 3.3
CLAMP
B.D
50V 1 YK C138
B-UP
AMP P 2.6
VCP
50V 1 YK
3.58M
ACC
2.6
BPF1
AMP 1
P P R
2
3
C139
PB-C 4.1
ACC REG
DET 4V
VIDEO
0.1 F
YNR/COMB AGC
2.3
P R R
C135
P
1/2
BAL
DETAIL R 2.3
N.L.
CLAMP
ENH PB-C FBC TC1
DEEM
P
50V 0.22 YK
C140
Y-LPF 2.1
NL R
NL Y/C
NC1
EMPHA P NC NC
EMPHA R MIX
R C136 50V 4.7
P
1.6
AGC
FM
TC2
MOD 35V 22 YK
3.6
R-EQ
NORMAL QV/QH 6DB
TEST
DOUBBLE
FM SUB
LIM DEM LPF
4.1
SYNC
SEP
LINE
REC
AMP MAIN
FM-EQ
5.0
DE-EM V.SYNC
SEP
FM PB
4.4
S-EQ
P R AGC FM EQ P R P R Y-VCC
VHS SOPB
C132
MUTE
3.2
R120
3.6
50V 1 YK
AUTO PHASE PHASE FM MAIN 2.1 220
B
BIAS EQ EQ EMPHA S
AGC
Y-GND
fo-ADJ Q-ADJ FIL DET
FIL
10 11 12 13 14 15 16 17 18 19 20
0.8 4.8 1.1 1.1 1.4 2.0 0 2.6
NC 2.6 0.2 2.8
19
V.ENV
18
TP101
NC
RECORD COLOR SIGNAL
RECORD LUMINANCE SIGNAL
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
PLAYBACK COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
TUNER VIDEO SIGNAL
E
2-13 2-14
F G
FROM/TO DVD I/O
DVD_V_OUT
FSC
FROM/TO TUNER/JACK
FRONT_V_IN
TU/REAR_V_IN
Y/C_VIDEO_OUT
FROM/TO VCR SYSCON
Y/C_CLK
R124
Y/C_DATA
82K
R122
Y/C_CS
DUMMY_V.SYNC
100K
V.REC_ST-H
C.ROTARY
AUDIO_MUTE-H
CTL-
CTL+
TU/REAR_V_IN
H.AMP_SW
COMP
ENV.DET
H.SW
FRONT_V_IN
C.SYNC
DVD_V_OUT
KA
R121
16
1K 1/4W
Y/C_VIDEO_OUT
C.SYNC
DUMMY_V.SYNC
L104_1
P.CON+5V
22uH 0305
4.2
BUFFER
Q106
2SA1037AK
0
PCB010
VMA237
F G
H
8
7
6
5
4
3
2
1
H