Overall Block Diagram (1/2) - Pioneer PDP-5071PU Service Manual

1

4.3 OVERALL BLOCK DIAGRAM (1/2)

A
50 SCAN B ASSY
(HIGH SIDE)
VH IC5V
Scan Signal
Scan IC
PSUS
IC2901
VH IC5V
Scan IC
IC2902
VH IC5V
PSUS
Scan IC
IC2903
VH IC5V
Scan IC
IC2904
VH IC5V
B
Scan IC
PSUS
IC2905
VH IC5V
Scan IC
IC2906
SB3
SB2
VH
IC5V
SA2
VH IC5V
SA3
Scan
Signal
Scan IC
PSUS
IC2801
VH IC5V
Scan IC
IC2802
VH IC5V
Scan IC
PSUS
IC2803
VH IC5V
C
Scan IC
IC2804
VH IC5V
Scan IC
IC2805
VH IC5V
Scan IC
IC2806
SA1
50 SCAN A ASSY
Y2
(LOW SIDE)
D
E
AN/P BN/P
CN/P DN/P
V+8V
RESONANCE RESONANCE
BLOCK BLOCK
VDDLS6 VADR6 VDDLS5 VADR5
CLK / LE / HBLK / LBLK
R/G/B
F
DRIVER IC DRIVER IC
IC1656 IC1655
48
1
2
+5V VSUS +16.5V
50Y SUB DRIVE
MASK
BLOCK
Y
Y12
Y8 VOFS
VH Vprst
VSUS
60V
VH DC/DC CONV.
OFFSET
+RESET
BLOCK
BLOCK
Vprst
Vprst Reg.
VOFS +16.5V
VOFS
+5V VSUS +16.5V
DC/DC
CONV.
MASK
BLOCK
VSUS
+5V
+6.5V
REGULATOR
+16.5V
+5V +16.5V
Y4
+5V
RESONANCE
BLOCK
+5V VSUS +16.5V
LOGIC
BLOCK
DK MOD.
(IC2107)
MASK
Y1
BLOCK
+16.5V
SOFT-D
BLOCK
VH IC5V +16.5V
IC5V/VF
IC5V
IC5V
DC/DC
VF Y5
CONV.
5V
Photo Coupler
Scan Signal
BLOCK
50Y MAIN DRIVE
60V
AD2
AD1
CN1601
CN1602
50 ADDRESS L ASSY
V+3V
IC1601
V+5V V+60V
LVDS
Recieve
RESONANCE RESONANCE RESONANCE
BLOCK BLOCK BLOCK
VDDLS4 VADR4 VDDLS3 VADR3 VDDLS2 VADR2
DRIVER IC DRIVER IC DRIVER IC
IC1654 IC1653 IC1652
2
3
+16.5V
A1
+16.5V
IC3751
Power Amp IC
SP1
R OUT L OUT
SP TERMINAL ASSY
AD1
CN1802
AN/P BN/P
CN/P DN/P
V+8V
Recieve
RESONANCE RESONANCE RESONANCE
BLOCK BLOCK BLOCK
VDDLS1
VADR1 VDDLS5 VADR5 VDDLS4
CLK / LE / HBLK / LBLK
R/G/B
DRIVER IC DRIVER IC DRIVER IC
IC1855 IC1854
IC1651
PDP-5071PU
3
4
SENSOR ASSY
V+3VPT
TE1
SCL
IC3652
BR24L02FJ
EEPROM IC SDA
TEMP1
IC3651 Buffer
MM1522XU
SENSOR IC
AUDIO ASSY
+16.5V
+12.0V
IC3752
Regulator +12.0V
Buffer
+12.0V
SCL
IC3753
WOW + Volume IC
SDA
To
+12.0V
MAIN
A2
Buffer Assy
DC Detect
A_Mute
M9
Block
A_STBY_B
R_Audio
L_Audio
A_NG_B
A3
AD2
CN1801
50 ADDRESS S ASSY
V+3V
IC1801
V+5V V+60V
LVDS
RESONANCE RESONANCE RESONANCE
BLOCK BLOCK
VADR4 VDDLS3 VADR3 VDDLS2 VADR2 VDDLS1
DRIVER IC DRIVER IC
IC1853 IC1852
4
BLOCK
VADR1
DRIVER IC
IC1851