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Block Diagram And Schematic Diagram; Overall Block Diagram - Pioneer PDP-502MX Service Manual

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Table of Contents
1
PDP-502MX, PDP-502MXE

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

For "SCHEMATIC DIAGRAM", refer to the service manual ARP3078 for PDP-502MX.

3.1 OVERALL BLOCK DIAGRAM

CABLE ASSY
A
K2
SUS
OUT
5V
12V
Vsus
Sustain
Pulse Gen.
IC3405
B
Vsus
+RST
OUT
+ Reset Pulse
Gen.
5V
12V
Vsus
Sustain
Pulse Gen.
SUS
OUT
IC3402
X DRIVE ASSY
C
SIDE SW
S1
ASSY
IR
RECEIVE
ASSY
U1
D
K1
K2
CABLE ASSY
18
1
2
K1
SUS
5V
Logic
BLK
DRV
RST
Sig.
F7
5V
12V
PD
F6
OC
Vsus
F5
AUDIO AMP ASSY
D-D CON
12V
VOL CONT
LR
(Main/Sub)
MUTE
12V
STB5V
DC DET
R
B2
13V,S5V
C6
C5
S5V
PD, VOL
REM
R
C1
Combi
Audio
SR
R OUT
In
Out
In
Out
2
3
CABLE ASSY
K2
K1
MAIN POWER ASSY
P5
VSUS
VADR
P3
SW PWR
SW PWR
DELAY
P6
HI PWR
OFF SW
P4
PD CONT
PD
PWR
STB5V
P1
5V
E3
Vadr
E35
E21
SDA
SCK
E24
E23
E18
5V
Vsus
E1
E16
E17
E22
E7
Vsus
5V
E8
Vadr
E12
E10
15V
PWR AMP
IC4502
L
B3
12V
C2
C4
LR
CONTROL
Tx
Rx
ASSY
SR
Out
K2
K1
CABLE ASSY
3
4
CABLE ASSY
K2
OC
OVC
VCC
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
REG
SYSTEM
CONT CPU
DAT, CLK
13V
IC3604
SDet, FDet
REM, Tx, Rx,Vol, Mute
E15
U-COM ASSY
KEY, LED
A33
A19
A20
IC2402
SDet
AMP/AD/PLL
DAT
CLK
A1
HD
HD,VD
A2
Sync
Sync
U-Com
SEL
F-DET
A3
CONT
CLP,HV
12V
BLK
P&P
A5
SEL
LR
LR
Audio
Audio
RGB
RGB
3/4
1/2
In
OUT
IN 4
4
K1
D13
D1
RGB
D19
DAT
IP
Process
D4
CLP Pulse
Gen.
D18
CL
D12
D
D20
D22
Vadr
14V
14V
R10V
REG
E2
FAN
FAN
CONT
DRV
BLK
E3
FAN
MAX
SD
SENS
EEPROM
IC3601
E
E33
Vadr
9V_PIC
5APLL
-
A35
12V
A17
9V_SIG
5VBPLL
502MXE
RE
Only
A30
V.ROM
RGB
YCbC
RGB
RGB
YPbP
Decoder
RGB
IC1401
CLP,HV
Y
BLK
YPbPr
G/Y
Sync
HDVD
Sepa
In3/In4
HD
SEL
VD
VD
S
G
B
HD
R
Pr
Y
Pb
CS
IN 3
K1
K2
CABLE ASSY

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Pdp-502mxe

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