Pioneer DVR-RT501-S Service Manual page 45

5
4.9
BUFFER
Q109
3.9
3.3 KTC3875S_Y_RTK
1
NC
4.9 2.1 2.6 4.1 3.2 3.3 3.2 4.9 4.9
52 51 50 49 48 47 46 45
ALWAYS
C-VCC
5V
320FH
SLD
VX01
B
VCO
P R
REC PB REC
APC APC AFC
BEFORE
R P
BGA
BGA
AFTER
CNC
BGA
R P
PB
AMP
3.58M
BPF2
B.D
Main B-UP
CONV P
AMP
ACC 3.58M
BPF1
AMP
P P R
PB-C
ACC
4.21M
DET
BPF
YNR/COMB
Sub
P R R
CONV
P
R
DETAIL
N.L.
CLAMP
ENH PB-C
DEEM
P
Y-LPF
NL NL
Y/C
NC1
EMPHA
EMPHA MIX
R
FM
MOD
R-EQ
NORMAL
TEST
DOUBBLE
FM
SUB
LIM DEM
LPF
LINE
REC
AMP MAIN
FM-EQ
DE-EM
PB
FM
S-EQ
P R P R P R
AGC FM EQ
VHS SOPB
REC
AMP MUTE
PHASE PHASE
AUTO FM
EQ EQ
BIAS
AGC
Y-GND
fo-ADJ Q-ADJ
FIL
9 10 11 12 13 14 15 16
2.3 0.8 4.8 1.1 1.1 1.4 2.0 0 2.6
B
3
V.ENV
TP101
NC
4
CAUTION: DIGITAL TRANSISTOR
5
6
L105
22uH 0305
C142
6.3V 47 KA
C143
0.1 F
R127 C141
680K 0.01 B
W832
1.2 2.2 0.8
44 43 42 41
BUFFER
VDD 4Fsc CLOCK
0
Q107
VSS
PLL
KTA1504S_Y_RTK
1.6
TIMMING OUT
1.6
OUT
0 0 2.2
DRIVER AUTO-BIAS
VSS
2.6
CCD CLAMP
IN
C133
2.5
1 B
VCA
3.2
VCA
C134
3.3
CLAMP
1 B
C138
2.6
VCP
1 B
2.3
1
2
3
C139
4.1
REG
4V
VIDEO
0.1 F
AGC
2.3
C135
1/2
BAL
2.3
FBC TC1
50V 0.22 KA
2.1
R
P
NC
R C136
P
1.6
AGC
TC2
16V 22 KA
2.0
QV/QH 6DB
0.3
SYNC
SEP
5
0
V.SYNC
SEP
4.9
Y-VCC
C132
3.2
50V 1 KA
MAIN 2.1
B
S
EMPHA
FIL DET
17 18 19 20
2.6 0.2 2.8
NC
RECORD COLOR SIGNAL
RECORD LUMINANCE SIGNAL
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
PLAYBACK COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
TUNER VIDEO SIGNAL
6
7
R124
82k
R122
100K
C137
1 B
C172
50V 10
NA
C173
25V 10 KA
C140
25V 10 KA
R121
1K
L104
22uH 0305
2.8
R120
BUFFER
Q106
1K
2.1 KTA1504S_Y_RTK
0
BUFFER
Q108
4.9
KTA1504S_Y_RTK
4.9
4.4 BUFFER 2.6
Q110
KTC3875S_Y_RTK
0.9 1.9
R130 C157
220 1 B
R134
220K
DVR-RT501-S
7
8
FSC
FROM/TO AV SW
DVD_V_OUT
VCR_V_OUT1
F/R_V_IN
FROM/TO TUNER/JACK
FSC
TU_V_OUT
FROM/TO SYSCON
Y/C_CLK
Y/C_DATA
Y/C_CS
DUMMY_V.SYNC
V.REC_ST-H
C.ROTARY
CH_A_MUTE-H
CTL-
CTL+
H.AMP_SW
COMP
ENV.DET
H.SW
C.SYNC
SYNC
TU_V_OUT
F/R_V_IN
DVD_V_OUT
VCR_V_OUT1
C.SYNC
DUMMY_V.SYNC
P.CON+5V
8
A
B 7/7
B
B 3/7
C
B 2/7
D
E
F
B 1/7
45