Pioneer PDP-502MX Service Manual page 24

1
PDP-502MX, PDP-502MXE
3.3 BLOCK DIAGRAM
3.3.1 OVERALL BLOCK DIAGRAM
IC IC IC
VADR
A
CLKB
VADR
Gen.
ADR
VADR
U/B/
D/G K2
Vfx 12V Vsus
Sustain
SUS
OUT
Pulse Gen.
IC3454
Vfx 12V Vsus
B
Sustain
Pulse Gen.
IC3455
+RST
OUT
+ Reset Pulse
Gen.
Vfx 12V Vsus
Sustain
Pulse Gen.
IC3459
Vfx 12V Vsus
Sustain
Pulse Gen.
SUS
OUT
IC3460
C
TO SIDE SW
ASSY
IR
RECEIVE
D
ASSY
K1
CABLE ASSY
24
1
2
IC
IC IC IC IC
VADR
RGB
CLK CLKB
CLK
DEF DEF DEF DEF
12V
5V
3.3V
K1
CABLE ASSY
SUS
5V
Logic
Vsus BLK
RST
DRV
Sig.
F9
5V
Vsus
F5
Vfx
12V
PD
OC
F6
X DRIVE ASSY
AUDIO ASSY
12V
VOL
CONT
(Main/Sub)
12V
STB5V
B2
13V,S5V
C5
C6
S5V
PD, VOL
REM
R
C1
Combi
Audio
R OUT
In Out
Out
K2
2
3
IC IC IC IC
IC IC
VADR VADR
CLKB CLK CLKB
VADR
DEF DEF DEF
Gen.
ADR
VADR
U/B/
D/G K2
P5
VFX
VFY, VFZ
P2
VSUS
P3
SW PWR
DELAY
P6
HI PWR
OFF SW
P4
PD CONT
PD
PWR
STB5V
MAIN POWER ASSY
P1
5V
E3
Vadr
E35
E21
SDA
SCK
E24
E23
E18
Vsus
E1
E16
E17
E20
E22
E7
Vsus
5V
E8
Vadr
E10
E12
D-D 15V
CON
PWR AMP
LR IC4502
MUTE
DC
DET
R L
B3
12V
C2
C4
LR
Tx
Rx
SR SR
In Out
K1 K2
CABLE ASSY
3
4
IC IC IC
IC IC
VADR
RGB
CLKB
CLK
VADR
DEF
Gen.
12V
ADR
VADR
5V
U/B/
3.3V
D/G K2
K1
VF D-D CON
OC
OVC
VADR VCC
SW PWR SW PWR
+B
DELAY
PFC
PD
Relay
STB12V
FU101
STBY
PWR
P7
AC IN
E5
12V
E6
5V
E2
E19
PWR
S5V
RST
14V
R5V S5V
5V
REG
SYSTEM
CONT CPU
DAT, CLK
13V
IC3604
SDet, FDet
REM, Tx, Rx,Vol, Mute
E15
KEY, LED
U-COM ASSY
A33 A34
A17
A19
RGB
ADC
PLL
CLK
A20
RGB
RGB
RGB
SDet Int/
WB/BRI/
CON
Ext
DAT
RGB
CONTROL
CLK
SEL
A1
HD,VD
DAC
CLP,HV
A2
BLK
Sync
Sync
U-Com
SEL
G/Y
Sync
F-DET
CONT
A3
Sepa
CLP,HV
In3/In4
12V
HD
BLK P&P
SEL
A5
VD
SEL
LR LR
Audio Audio
RGB RGB G
R
3/4 1/2
In
OUT Pr Y
IN 4
4
IC
IC IC IC
VADR
CLK CLKB
DEF DEF DEF DEF
K1
D13 D1
D1
A
RGB
C
D19
DAT
IP
Process
D4
CLP Pulse
Gen.
D18
CLP
D12
D17
D20 D21
Vadr
14V 14V
R10V
REG
FAN
FAN
CONT
DRV
BLK
FAN
MAX
SD
SENS
EEPROM
IC3601
E33
Vadr
9V_PIC -5V_IO
5V_P
9V_SIG 5APLL
5V_AD
5_PL
12V
5VBPLL
5V_R
REG
V.ROM
A21
YCbCr
RGB
YPbPr
Decoder Y, Co
IC1401
Sy
Y
Se
YPbPr
Y
Sync
HDVD
SEL
ANALOG VIDEO ASS
VD S C Y
B HD
Pb CS
IN 2
IN 3
K1 K2
CABLE AS