Pioneer f-502 Service Manual page 112

50 SCAN B ASSY
(HIGH SIDE)
VH IC5V
Scan Signal
Scan IC
PSUS
IC2901
VH IC5V
50 Y DRIVE ASSY
SB1
Scan IC
IC2902
VH IC5V
Scan IC
IC2903
VH IC5V
Scan IC
IC2904
VH IC5V
Scan IC
IC2905
PSUS
VH IC5V
Scan IC
IC2906
VH IC5V
Scan Signal
Scan IC
PSUS
IC2801
PSUS
VH IC5V
Scan IC
IC2802
VH IC5V
Scan IC
IC2803
VH IC5V
Scan IC
Y 3
IC2804
VH IC5V
Scan IC
IC2805
SA1
VH IC5V
Scan IC
IC2806
50 SCAN A ASSY
(LOW SIDE)
: Wire harness
: FFC
AD1
50 ADDRESS L
CN1602
AN P BN P
ASSY
CN P DN/P
CLKN/P
V+8V IC1601
LVDS
Receiver
RESONANCE RESONANCE RESONANCE
BLOCK BLOCK BLOCK
VDDLS6 VADR6 VDDLS5 VADR5 VDDLS4 VADR4
CLK / LE / HBLK / LBLK
R / G / B
DRIVER IC DRIVER C DRIVER IC
PDP4280HD, PDP5080HD
Block Diagram
VH
IC5V
VSUS
VSUS
+16 5V
Y 2 SUS
BLOCK
RST-D
BLOCK
+16 5
VF P VYPRST
PREST
BLOCK
+16 5
MSK-S
VF S VF S
+16 5V
VSUS
SUS
SUS
BLOCK
PreDrive
VF U +16 5V
VSNOFS
RESONANCE
VSUS
BLOCK
VKNOFS2
+16 5 VKOFS1 VKOFS3
+16 5V VF S VF U
VSUS
KNOFS1
KNOFS3
BLOCK 15V
SUS
DC/DC
IC5V
BLOCK
CONV.
Photo Coupler
Scan Signal
VH BLOCK
IC5V
AD2
CN1601
V+3V
V+5V VADR
RESONANCE RESONANCE
RESONANCE
BLOCK BLOCK
BLOCK
VDDLS3 VADR3 VDDLS2 VADR2 VDDLS1
DRIVER C DRIVER IC DRIVER IC
Y 5
+5V
+6 5V
+16 5V
REGULATOR
VADR
Y 4
VF S
VKNOFS4
KNOFS4
SOFT-G
BLOCK
VSNOFS
VKNOFS2
VF S
SNOFS
KNOFS2
Drive Signal
BLOCK
+5V
Drive Signal
Drive Signal
LOGIC
BLOCK
VYPRST
VKNOFS1
VH
Y 1
MAIN
DC/DC
CONV.
VKNOFS4
VKNOFS3
+16 5V IC5V VF P
+5V VADR
Y 7
IC5V/VF
DC/DC
CONV.
+5V VADR
Y 6
SENSOR
ASSY
AD1
CN1802
AN P BN P
V+3V
CN P DN P
CLKN/P
V+8V IC1801
LVDS
Receiver
RESONANCE RESONANCE
BLOCK BLOCK
VADR1 VDDLS5 VADR5 VDDLS4 VADR4
CLK / LE / HBLK / LBLK
R / G / B
DRIVER IC DRIVER IC
112
50 DIGITAL ASSY
D24
EMP1
E SDA
E SCL
TE1
BU Y
RX 1
C K1
RST MD
RS 2
PS PD
E PRST
D21
AD2
50 ADDRESS S
CN1801
ASSY
V+5V VADR
RESONANCE RESONANCE RESONANCE
BLOCK BLOCK BLOCK
VDDLS3 VADR3 VDDLS2 VADR2 VDDLS1 VADR1
DRIVER C DRIVER IC DRIVER C
D19 D20