Pioneer PDP-502MX Service Manual page 26

1
PDP-502MX, PDP-502MXE
3.3.2 VIDEO ASSY SECTION
A
1
R
2
L
4
5
11
12
L
14
R
15
OUTPUT
1
INPUT
2
4
C
5
Y
11
12
SINC
14
SINY
15
B
FNC_2
CN3506 CN303
Y/G 2 2
Pb/B 4 4
Pr/R 6 6
HD/CS
8 8
VD 10 10
INPUT ASSY
(AWZ6394)
C
B
G
R
B
G
R
D
26
1
2
To CONTROL ASSY To Y/C SEPA ASSY
CN4703 C2 CN701 YC9
IC651
CN302
A5
3 R
13
L
FNC_1
IC102
3 YC_VY
13 YC_C
S_DET
S_DET
MR_V_SW
S2_DET
S2_DET
IC305
IC301
Comp
IC303
Comp
5V_RGB
IC507
(24LCS21A)
Plug & Play
ROM
VCLK
SCL
IC503
VD
Comp
HD
SDA IC501
Comp
VD
HD
IC506
15 2
5
12
10 7
A13 CN3401
2
3
To Y/C SEPA ASSY
CN702 YC6
CN104
A24
CN203
A21
9V_SIG 5V_PIC
27
Y/B–Y/R–Y DECODER SYNC SEPA.
Y 45
TV JUNGLE IC
C 42
IC1201
(TB1227BW)
9 10
51 4
IC1202
(TC74HC4538AF)
4
HBLK Gen.
2MHz
LPF
+5V_RGB
21
1
G
G1
19
3
B
B1
15
5
R
R1
22
24
HD
HD1
14
12
VD
VD1
7
G2
9
B2
11
R2
23
HD2
13
VD2
VIDEO SW
IC306
(BA7657F)
4
SAND CASTLE PULSE GEN.
HBLK/VBLK/CLP added
To POWER SUPPLY ASSY
CN306 P6
3
4
37 Y
36 B–Y
35 R–Y
IC1205
(NJN1319M)
6 1 56
4 12
Comp
9
10
7
Comp
10
5 Y
1 Y SYNC
7
3 RGB SYNC
IC1207
SHP_SW
MAI_SW
9V_PIC
76
5
INT_Y
INT_Cb 4
3
INT_Cr Multi Component Processor
RGB Matrix
EXT_Y 11
IC1401
EXT_Pb 10
(CXA2101AQ)
9
EXT_Pr
EXT_HD 7
RGB DECODER
EXT_VD 8
K1404 55 56 31
SCP Gen.
3
K2023 K2024
HD3 VD3
4
5V_PIC
5
7
6
1 3
2
IC1204
(BA7655AF)
75 79
80
37
39
35
43
P_ACL
K2014
VBLK
K2013
HBLK
K2025 K2026
HD4 VD4