Hd Audio Assy - Pioneer f-502 Service Manual

50 SCAN B ASSY
(UPPER)
Scan Signal
50 Y DRIVE ASSY
VH
IC2801
IC5V
Scan IC
PSUS
VH
IC2802
Scan IC
IC2803
Y2
Scan IC
IC2804
PSUS
Scan IC
IC2805
Scan IC
IC2806
Scan IC
CN2802
Serial Data
CN2702
IC2701
Scan IC
PSUS
IC2702
Scan IC
IC2703
Scan IC
IC2704
Scan IC
IC2705
Scan IC Y3
PSUS
IC2706
IC5V
Scan IC
VH
Scan Signal
50 SCAN A ASSY
(LOWER)
HD IR ASSY
STB3.3V
U1681
RE1
IR Receive unit
AD1 CN1501
V+3V IC1501
V+8V AN/P BN/P
LVDS Receiver (PEE002A-K)
CN/P DN/P CLKN/P
Resonance Resonance Resonance
Block Block Block
V+ADR5 V+ADR4
IC1555 IC1554 IC1553
Driver IC Driver IC Driver IC
PDP436PU, PDP506PU, PRO436PU, PRO506PU
VH VSUS
Vprst
IC5V
VH DC/DC Conv.
+ Reset
Vprst
Block
Vprst Reg.
+5V +16.5V VSUS
VOFS VOFS
DC/DC
IC2252
Conv.
Mask
Mod.
VSUS
+5V
+6.5V
Regulator
+16.5V
Y4
+5V
Resonance
Block
VSUS
+5V +16.5V
+5V +16.5V
Logic
Block
IC2101
IC2253
DK Mod.
Mask
Mod.
+16.5V
Soft-D
Block
+16.5V
IC5V
IC5V/VF
IC5V
DC/DC
VF
Conv.
+5V
Photo Coupler
Block
Scan Signal
50 ADDRESS
AD2 CN1502
V+5V V+60V
ASSY
Resonance Resonance
Block Block
V+ADR3 V+ADR2 V+ADR1
CLK/LE/HBLK/LBLK
R/G/B
IC1552 IC1551
Driver IC Driver IC
Block Diagram
VOFS
Offset
Block
+16.5V
Y1
+5V
Y5
60V
Y6
+16.5V
A1
+16.5V
IC3751
Power Amp IC
Right
SP TERMINAL
SPEAKERS
AD1 CN1501
V+3V
V+8V AN/P BN/P
CN/P DN/P CLKN/P
Resonance Resonance
Block Block
V+ADR5 V+ADR4
IC1555 IC1554
Driver IC Driver IC
74

HD AUDIO ASSY

+16.5V
+9.0V
IC3752
Regulator +9.0V
Buffer
+9.0V
IC3753 SCL
WOW + Volume IC
SDA
A2
+3.3V
DC Detect
A Mute
Block
A STBY B
R Audio
L Audio
A NG B
+3.3V
Left
IC3754 SDA
SCL
EEP ROM
A3
50 ADDRESS
AD2 CN1502
V+5V V+60V
IC1501 ASSY
LVDS Receiver (PEE002A-K)
Resonance Resonance
Block Block
V+ADR3 V+ADR2
CLK/LE/HBLK/LBLK
R/G/B
IC1553 IC1552
Driver IC Driver IC
Resonance
Block
V+ADR1
IC1551
Driver IC