Pioneer f-502 Service Manual page 84

PDP4270HD, PDP4271HD, PDP5070HD, PDP5071HD, PRO507PU
50 SCAN B ASSY
(HIGH SIDE)
VH IC5V
Scan S gnal
Scan IC
PSUS
IC2901
VH IC5V
Scan IC
IC2902
VH IC5V
PSUS
Scan IC
IC2903
VH IC5V
Scan IC
IC2904
Y8
VH IC5V
Scan IC
PSUS
IC2905
VH IC5V
Scan IC
IC2906
SB3
SB2
VH
IC5V
SA2
VH C5V
Scan SA3
Signal
Scan IC
PSUS
IC2801
VH C5V
Scan IC
IC2802
VH C5V
+5V
Scan IC
PSUS
IC2803
VH C5V
Scan IC
IC2804
VH IC5V
Scan IC
IC2805
VH C5V
VH
Scan IC IC5V
IC2806
SA1
Photo Coupler
BLOCK
50 SCAN A ASSY
Y2
(LOW SIDE)
AD1
CN1602
AN/P BN P
CN/P DN/P
V+8V
IC1601
LVDS
Recieve
RESONANCE RESONANCE RESONANCE
BLOCK BLOCK BLOCK
VDDLS6 VADR6 VDDLS5 VADR5 VDDLS4 VADR4
CLK / LE / HBLK / LBLK
R/G/B
DR VER IC DRIVER IC DR VER C
IC1656 C1655 IC1654
Block Diagram
+5V VSUS +16 5V
50Y SUB DRIVE
MASK
BLOCK
Y
Y12
VOFS
VH Vprst
VSUS
60V
VH DC/DC CONV
OFFSET
+RESET
BLOCK
BLOCK
Vp st
Vprst Reg
+16 5V
VOFS
VOFS
+5V VSUS +16 5V
DC/DC
CONV
MASK
BLOCK
VSUS
+5V
+6 5V
REGULATOR
+16 5V
+5V +16 5V
Y4
+5V
RESONANCE
BLOCK
VSUS +16 5V
LOGIC
BLOCK
DK MOD
(IC2107)
MASK
Y1
BLOCK
+16 5V
SOFT D
BLOCK
+16 5V
IC5V
IC5V/VF
IC5V
DC DC
VF Y5
CONV
5V
Scan Signal
50Y MAIN DRIVE
60V
AD2
CN1601
50 ADDRESS L ASSY
V+3V
V+5V V+60V
RESONANCE RESONANCE
BLOCK BLOCK
VDDLS3 VADR3 VDDLS2 VADR2 VDDLS1
DR VER C DRIVER IC
IC1653 IC1652
IC3651
MM1522XU
SENSOR IC
+16.5V
+16.5V
A1
IC3752
Regulator
+16.5V
IC3751
Power Amp IC
DC Detect
A3
SP1
R OUT L OUT
SP TERMINAL ASSY
AD1
CN1802
AN/P BN/P
CN/P DN P
V+8V
IC1801
LVDS
Recieve
RESONANCE RESONANCE RESONANCE
BLOCK BLOCK BLOCK
VADR1 VDDLS5 VADR5 VDDLS4 VADR4
CLK / LE / HBLK / LBLK
R/G/B
DRIVER IC DR VER C
DRIVER C
IC1855 IC1854
IC1651
84
SENSOR ASSY
V+3VPT
TE1
SCL
IC3652
BR24L02FJ
SDA
EEPROM IC
TEMP1
Buffer
AUDIO ASSY
+12.0V
+12.0V
Buffer
+12.0V
IC3753 SCL
WOW + Volume IC
SDA
To
+12.0V
MAIN
A2
Assy
Buffer
A Mute
M9
Block
A STBY B
R Audio
L Audio
A NG B
AD2
CN1801
50 ADDRESS S ASSY
V+3V
V+5V V+60V
RESONANCE RESONANCE RESONANCE
BLOCK BLOCK BLOCK
VDDLS3 VADR3 VDDLS2 VADR2 VDDLS1
DRIVER IC DRIVER C DRIVER IC
C1853 IC1852 IC1851
VADR1