Pioneer PDP-505HD Service Manual page 34

1
PDP-505HD
3.7 Y DRIVE ASSY SECTION
A
SCAN BLOCK
R3602
CN3605
B
H1
HBLK1
44
SI 42
CLK 40
LE_S
38
CLR 36
HBLK2 34
LBLK 32
30
YSUS-B
YSUS-U 28
R3619
YSUS-D 26
YSUS-G 24
YNR-D 22
YNR-U 20
SUS-MSK 18
CP-MSK
16
OFS
14
PN_MUTEY 6
R3654
R3655
C
CN3701
H5
1
+5V
3
+12V
DRV PD
7
YDC_DC. PD 8
+14V 5
–8V 6
VSUS
175V
1
VSUS
4
SUS GND
SUS
GND
VSUS
6
+10V
H4
CN3700
D
34
1
2
HBLK1
TP3600
SI
TP3604
CLK
TP3601
IC3600
(TC74VHC541FT)
4 16
5 15
6 14
13
7
8 12
9 11
LE
TP3605
R3603
CLR
TP3602
HBLK2
TP3606
LBLK
TP3603
IC3606
(TC74VHC541FT)
R3614
18
2
3 17
4
16
5 15
6
14 IC3612
7
13
8 12
9
11
IC3612
2 18
3
17
7 13
IC3614
(TC74VHC541FT)
D853
TP853
IC5V OVP
D758
TP752
Q750
VH OVP
D761
Q752
TP754
VH UVP
D709
TP706
VOFS OVP
Q700
D710
TP707
VOFS UVP
TP802
VRN OVP
D811
Q800
TP804
VRN UVP
D814
Q802
2
3
IC5V
IC3607
5
IC3602
5
IC3611
5
IC3610
5
IC3604
5
IC3609
5
IC3605
5
IC3613
(PDT043A)
R3636
SUS-B
2 14
SUS-U
15
3
SUS-D
16
4
SUS-G
5 17
YCP-MSK
18
7
YSUS-MSK
8 13
OFS
12
9
YNR-D
19
6
11
R3645
MUTE
TP3608
PN_MUTEY
TP855
D890
+
IC5V
–8V
IC5V, VF
+
14V DC–DC CONV.
TP851
IC850, IC851
T850
VH
D753
VSUS
VH DC–DC
CONV.
IC750, IC751
T750
VSUS
VOFS
DC–DC CONV.
IC701, IC702
T700
SUS GND
DC–DC CONVERT BLOCK
3
4
VH
H2 H3
IC5V
PSUS
SI DATA
IC3601
(TC74ACT541FT)
13
14
15
16
17
12
11
18
TP856
VFZ+
IC3711
VFZ–
+ 5V
REG.
IC3710
R3766 5
OFS
TP3707
TP751
OFS BLOCK
+
TP753
PSUS
VOFS
TP705
+
D700
TP702
TP800
SUS
GND
D802
+
SUS
GND
VRN
TP803
VRN
(–200V)
4
Q3714
R3768
R3769
7
R3772
R3773
5
IC3712
Q3716
R3774
VOFS