Vcr Mt Pcb Assy(6/7) - Pioneer DVR-RT500-S Service Manual

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3.14 VCR MT PCB ASSY(6/7)

B 6/7
VCR MT PCB ASSY
A
(A2D309A010)
Hi-Fi/DEMODULATOR BLOCK
B
2.2 2.2 2.2
24 23 22
OUT SW
AGC
Switch
Matrix
De-Emph
(L-R)/SAP
75us
Filter
Cancel
SAPout
Offset
Expand
Cancel
Wide Band
Offset
1 2 3
1.0 2.2 2.2
C
D
E
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
TUNER AUDIO SIGNAL
F
B 6/7
54
1
2
NC
2.2 0 4.2 4.4 0 3.7 3.4
21 20 19 18 17 16 15 14
GND
Det
DAC ZAP IIC Decoder St.PLL
Pilot Input
Cancel
L-R Filter L-R Demod
Pilot
Filter Filter
L+R Filter L+R Demod
Stereo Noise
Filter Filter
fH.2fH Trap Filter
Wide Band Spectral
RMS Det Expand RMS Det
dbx De-Emph
Wide Band Spectral Spectral
Vcc
4 5 6 7 8 9 10 1 1
2.3 2.4 0.7 5.1 2.6 2.6 0.6
C828
50V 2.2 KA 15K 1/4W
2
3
L801
P.CON+5V
100uH 0305
2.2 3.4
13
VCA Det
SAP
Filter
SAP
Demod
SAP
Det
Noise
1 2
2.2 3.6
P.CON+5V
HIFI_A_OUT_R
ST_SELECT
HIFI_A_OUT_L
P.CON+12V
ALC_A_OUT
NORMAL_A_IN
NORMAL_A_OUT
R815
TU_A_OUT
DVR-RT500-S
3
4
C743
50V 0.22
2.2M
C747
25V 10 KA
L702_1
22uH 0305
C748
17
0.1 F
C750
50V
16
L703
100uH
C754
16V 47 KA
R718
1.5K
R719
470
C755
0.022 B
4
C744
0.1 F
R716
3.3K
KA
R717
C746
0.1 F
C749
0.1 F
KA
2.2
C756
25V 10 KA