Vcr Mt Pcb Assy(1/7) - Pioneer DVR-RT501-S Service Manual

1

3.9 VCR MT PCB ASSY(1/7)

A
FROM/TO REGULATOR
P.CON+5V
B 4/7
GND
B
FROM/TO Hi-Fi/DEMODULATOR
FSC
NORMAL_A_IN
NORMAL_A_OUT
HF2
HF_COM
HF1
B 6/7
C
FROM/TO CYL
CP101
TOC-C09X-A1
9 HF1 (R)
8 HF COM
to
7 HF2 (L)
CYLINDER 6 SP-CH1 (R)
5 SP COM
UNIT
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
to 4
AUDIO REC
3
AUDIO PB
HEAD AUDIO
2
CTL+
CONTROLL
1
CTL-
ASSY
FFC CD102
E
2F041508
FROM/TO FE HEAD
CP103
B2013H02-2P
to
2 FE HEAD(GND)
1 FE HEAD(HOT)
FULL ERASE
HEAD ASSY
F
B 1/7
44
1
2
B 1/7
VCR MT PCB ASSY
(A2G002H010)
•Y/C/AUDIO/CCD/HEAD
AMP BLOCK
P.CON+5V
NORMAL_A_IN
P.CON+5V
5.0
SW
0
V.REC_ST-H
Q103
KRA103SRTK
5.0
CTL+
R101
CTL-
W801
560 1/4W
AUDIO 0
PB SW R102
0.7
Q101
KTC3875S_Y_RTK 4.7K
0
AUDIO
0
PB SW
R103
0.7
Q102
KTC3875S_Y_RTK 4.7K
0
GND
HOT
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DVR-RT501-S
2
3
W838
C166
0.068 B
C169
0.047 F
C165
0.047 F
L107
22uH
0305
C103
6.3V 47 KA
R105 C109
10K 0.1 B
Y/C/AUDIO/CCD/HEAD AMP IC
COIL,BIAS OSC
L101
1626010
6 1
L102
5 2
0.2
100uH
4 3
0305
0.2
2
BIAS OSC
0.2
0
Q104
KTC3203_Y
3
4
4.8 4.8 0 4.9
60 59 58 57
COMP OUT
ENV AUDIO C-ROT
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
H
0.7
P
L
4.9
HA VCC
0
0
0 HA
PRE GND
1.8
P H
L
1.8
R
1.8
P
0
A-GND
2.3
1
ALC
2
3
4.9
A-VCC
ALC
2.3
DET
C105
0
EQ
16V 22 KA
AMP
2.3
SP,LP
Vref
2.3V
1 2 3 4
2.3 2.3 2.3 2.3 2.3
IC101
LA71206M-MPB
W802
BIAS CTL
Q105
KTA1266
C112
R112
5.0 6.3V 220 KA
330K
5.0
C118
R108
0.01 B
22K
C110
6.3V 47 KA
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
4
0 4.9 4.9 4.9
56 55 54 53
C-GND
SERAIL
DECODER
P R
C-LPF
+
R
LPF
P
VREF
PB,EE
PB,EE
REC:LP<EP
PB:EP
5 6 7 8
2.3 2.3
0
R114
22K
C122
0.0012