Vcr Pcb Assy(1/6) - Pioneer DV-PT100-S Service Manual

1

3.7 VCR PCB ASSY(1/6)

B 1/6
VCR PCB ASSY (A2E514X010)
A
Y/C/AUDIO/CCD/HEAD AMP BLOCK
FROM/TO POWER
P.CON+5V
B 6/6
GND
B
FROM/TO HI-FI/DEMODULATOR
B 5/6
FSC
TO_NORMAL_A
FROM_NORMAL_A
HF1
HF_COM
HF2
FROM/TO CYL
C
CP101
TOC-C09X-A1
9 HF1 (R)
8 HF_COM
7 HF2 (L)
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)
D
FROM/TO HEAD AUDIO CONTROL
CP102-1
IMSA-9604S-04C
4 AUDIO REC
3 AUDIO PB
2 CTL+
1 CTL-
E
FFC
CD102 KTC3875S_Y_RTK
2F041508
TO FULL ERASE HEAD
CP103
B2013H02-2P
GND
2 FE HEAD(GND)
HOT
1 FE HEAD(HOT)
F
B 1/6
36
1
2
W805
P.CON+5V
W852
P.CON+5V
R105
TO_NORMAL_A
C129
1K 1/4W
1
CTL+
C174 6.3V 47
KA
CTL-
P.CON+5V
5.2
SW
R140
0
V.REC_ST-H
Q103
DTA124EKA
2.2K 1/4W
5.3
6
C140 R101
5
15P CH 560
4
W819
0
AUDIO PB SW
5
R102
0.7
Q101
10K
0
AUDIO PB SW
Q102
KTC3875S_Y_RTK
0
R103
0.7
10K
0
2
3
IC101
LA71206M-MPB
Y/C/AUDIO/CCD/HEAD AMP IC
C166
0.068 B
C169
0.047 F
C165
0.047 F
C105
16V 22 KA
C109
0.1 B
B
COIL,BIAS OSC
L101 BIAS CTL
1626010 Q105
KTA1266
1 L102
2
0
100uH
3
0305
5.2
0
0 BIAS OSC
0
Q104
KTC3203_Y
DV-PT100-S
3
4
4.8 4.8 0 5.2 0 5.2
60 59 58 57 56
COMP OUT
ENV AUDIO C-ROT C-GND
2.1
DET MUTE
KILL RF-SW
DET HA SW IN
0
HA
GND
2.9
CHROMA
DET
1.6 ACC
DET
1.8
P
1.9
R
H
1.8
P
L
5.0
HA VCC
1.8
1.6
0 HA
PRE GND
1.8
H
P
L
1.8
R
1.8
P
0
A-GND
2.3
1
ALC
2
3
4.9
A-VCC
ALC
2.3
DET
0 PB,EE
EQ
AMP
2.3
SP,LP
Vref
2.3V
1 2 3 4 5
2.3 2.3 2.3 2.3 2.3 2.3
R109
1K
1/4W
C112
R112
5.2 6.3V 220 KA
330K
C118
R108
0.01 B
22K
C110_1
16V 47 YK
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
4
5.2 5.2 4.9
55 54 53 52
C-VCC
SERAIL
DECODER
P R
Main
C-LPF
CONV
+
4.21M
BPF
Sub
CONV
R
LPF
P
VREF
REC
AMP
PB,EE
REC:LP<EP
PB:EP
6 7 8 9
0 2.3 2.3
R114
20K
C122
0.0012 B