Vcr Mt Pcb Assy(1/7) - Pioneer DVR-RT500-S Service Manual

1

3.9 VCR MT PCB ASSY(1/7)

B 1/7
VCR MT PCB ASSY
A
(A2D309A010)
Y/C/AUDIO/CCD/HEAD AMP BLOCK
FROM/TO REGULATOR
P.CON+5V
B 4/7
GND
B
FROM/TO HI-FI/DEMODULATOR
FSC
NORMAL_A_IN
NORMAL_A_OUT
B 6/7
HF1
HF_COM
HF2
GND
FROM/TO CYL
CP101
TOC-C09X-A1
C
9 HF1 (R)
8 HF COM
7 HF2 (L)
To
6 SP-CH1 (R)
UN4001 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
IMSA-9604S-06C
6 AUDIO REC
5 AUDIO PB
To
E
4 CTL+
H5001
3 CTL-
2 AE HEAD(+)
1 AE HEAD(-)
TO FE HEAD
CP103
B2013H02-2P
To
GND
2 FE HEAD(GND)
HOT
H5002 1 FE HEAD(HOT)
F
B 1/7
44
1
2
L107
P.CON+5V
22uH
0305
R105
NORMAL_A_IN
10K
P.CON+5V
5.0
SW
0
V.REC_ST-H
Q103
DTA124EKA
5.0
CTL+
CTL-
6
R101
5
560 1/4W
4
AUDIO 0
PB SW
R102
0.7
Q101
2
KTC3875S_Y_RTK 4.7K
0
AUDIO
0
PB SW
R103
0.7
Q102
KTC3875S_Y_RTK 4.7K
0
DVR-RT500-S
2
3
C166
0.068 B
C169
0.047 F
C165
0.047 F
C103
C105
6.3V 220 KA
16V 22 KA
C109
0.1 B
Y/C/AUDIO/CCD/HEAD AMP IC
LA71206M-MPB
COIL,BIAS OSC
L101 BIAS CTL
1626009 Q105
KTA1266
1 L102
2
0.2
100uH 5.0
3
0305
5.0
R108
0.2
22K
0.2 BIAS OSC
0
Q104 C110
KTC3203_Y
6.3V
3
4
4.8 4.8 0 4.9 0 4.9
60 59 58 57 56 55
COMP OUT
ENV AUDIO C-ROT
C-GND
1.9
KILL DET MUTE RF-SW
DET HA SW IN
0
HA
GND
3.9
CHROMA
DET
1.6 ACC
DET
0.7
P
0.7
R
P
H
0.7
P
L
C-LPF
4.9
HA VCC
0
+
0
0 HA
PRE GND
1.8
H
P
L
1.8
R
1.8
P
0
A-GND
2.3
1
2 ALC R
3
P
4.9
A-VCC
ALC
2.3
DET
0 PB,EE
EQ
REC:LP<EP
AMP
2.3
PB:EP
SP,LP
Vref
2.3V
1 2 3 4 5 6
2.3 2.3 2.3 2.3 2.3 2.3
IC101
W809
C112
R112
6.3V 220 KA 330K
C118
0.01 B
47 KA
4
4.9 4.9
54 53
SERAIL
DECODER
R
Main
CONV
4.21M
BPF
Sub
CONV
LPF
VREF
PB,EE
7 8
2.3
0
R114
18K
C122
0.0012
B