Pioneer PDP-502MX Service Manual page 21

5
IN Screen K2904 K2903
(VD) (HD)
NTSC 4:3 60 15.734k
PAL Wide 50 15.625k
PC
ORG 60 48.36k
XGA (60)
INT_R
INT_G
INT_B
VD_PLD
HD_PLD
IC1404
12
HD_PLD
14
K2033
13
VD_PLD
K2032
SEL_Vout V_STATE
G-Out
B-Out
K2020
R-Out
9
MMV
HD/VD
12
NOISE GATE
PULSE Gen.
K2015
CLP IC2004
(TC74VHC123AFT)
HBLK_MAT/VBLK_MAT/CLP_MAT
5V_PIC
5
6
K2901 AD OUT IP Process
(CLK)
40.28M Single (A) IP
53.63M Single (A) IP
32.50M Dual (A/B) Through
INT_R
124
INT_G 133
INT_B
139
EXT_R EXT_R
126
EXT_G EXT_G 136
EXT_B EXT_B
141
5V_PIC
IC104
(24LC01B)
Video Data
ROM
P_ACL_SW
5 6
K2012
K2029
K2030
Sync. Sepa for Y/G
IC2002
G/Y
(M52346SP)
K2004
V_STATE 142
HD_PLD 110
VD_PLD 112
VD_FIL 102
HD_FIL 107
106
K2021
103
VD_FIL
HD_FIL
3 4
1
MMV
4
HD3/VD3/HD4/VD4
1 2 3 4 5 6 7 9 10
D/A
IC2301
(CXA1875AM)
14 15
6
7
PDP-502MX, PDP-502MXE
+5V_PLL +3.3AD
+5AD 5V_PIC
R (B)
G (B)
B (B)
R (A)
AMP/AD/PLL
G (A)
IC2402
B (A)
(CXA3506R)
98
101
103
XCLK
K2012
1_2CLK
K2012
K2012
Peak ACL
K2012
12V
+3.3AD
137 VD
Sync. Control
Sync. Select
PLD
IC2005
(PDY069)
5V_PLD
Reset
11
Sync. U-COM
IC2201
(PD2060A9)
2 22,23
Input Freq. Det.
7
A33
CN2901
8 8
8 8
8 8
8 8
8 8
8 8
XCLK
1_2CLK
HD
CN2903
XCLK
1_2CLK
HD
HD
VD
VD
CN2203
PLL_CE
DATA
CLK
4
S2_DET
SDA
K2209
K2210
K2211
18 CLK
19
Gate
DA_0_SV
4
31
K2213
16 K2212
8
A
A35
1
3
5
B
7
A2
3
4
5
6
C
CN2202
A1
2
3
4
5
SCL 6
CN2001
A3
CLP1
8
CLP2
9
HBLK
10 D
VBLK
11
21
8