Pioneer PDP-502MX Service Manual page 27

5
IN Screen K2904
(VD)
NTSC 4:3 60
PAL Wide 50
PC
ORG 60
XGA (60)
B–Y LEVEL
R–Y LEVEL
VD_PLD
HD_PLD
IC1404
12
14
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
IC2004
CLP
(TC74VHC123AFT)
HBLK_MAT/VBLK_MAT/CLP_MAT
5V_PIC 5V_PIC
4 9
D/A
IC2301
(CXA1875AM)
2 14 15
S_DET
5
6
K2903 K2901 AD OUT IP Process
(HD) (CLK)
15.734k 40.28M Single (A) IP
+5AD
15.625k 53.63M Single (A) IP
48.36k 32.50M Dual (A/B) Through
5V_PIC 12V
1 3
35
R
3
G1
21
R
5
B1
19 8 30
G G
7
R2
15
B
9
G2
11 13
25
B2 B
18
INT/EXT
RGB SW
IC1702
8
(BA7657F)
Peak ACL
5V_PIC
IC104
(24LC01B)
Video Data
ROM
5 6
G/Y
K2004
12V
4
Sync. Sepa for Y/G
IC2002
(M52346SP)
6 8
HD_PLD
K2033 4 4
5V_PLD
28
152
154
Sync. Control
K2021
Sync. Select
PLD
2
VD_FIL
IC2005
HD_FIL 3
(PE9006A)
1
6 4 35 37 39
MMV
3 4
4
HD3/VD3/HD4/VD4
1 2 4 7 9 10
D/A
IC2302
(CXA1875AM)
14 15
6
7
PDP-502MX, PDP-502MXE
Reg.
K2404
+5AD
K2405
2
VRB
K2401
11
VRT
6
IN
K2402
K2403
K2406
+5AD
K2407
2
VRB
11
VRT
6
IN
P_ACL_SW
K2408
+5AD
K2409
2
VRB
11
VRT
6
IN
5V_PIC
8 9
3
Picture Control DATA
8
D/A
2
CLK
IC1704
1
DAC_CE
CLP_AMP (M6235FP)
K2004
VD_DSEL
+5D_PLL
+5A_PLL
K2031
24
11
HD_PLL
21 HD_PLL 9
IC2701
23 HOLD_PLL
(CXA3106Q)
ULK_PLL
HD_u, VD_u
5V_PLD
Reset
Sync. U-COM
IC2201
(PD2060A9)
2 22,23
Input Freq. Det.
7
Video: Dual Output
PC: Single Output
CLK_AD
K2419
R (B) 8
A/D
R (A)
8
IC2401
43
(CXA3256R)
CLK_AD
2 2
CLK
RST
G (B)
8
A/D
G (A)
8
IC2402
(CXA3256R)
2 2
CLK
RST 3
B (B)
8
A/D
B (A)
8
IC2403
(CXA3256R)
2 2
CLK
RST
2
K2716
2
2
K2711
11 CLK
12
DATA
PLL_CE
10
K2710
K2704
VCO VD1
K2209
K2210
11 K2211
18 CLK
19
Gate
DA_0_SV
4
31
K2213
16 K2212
8
A
A33
CN2901
8
8
8
8
8
8
B
CN2902
K2901
A34
K2903
K2904
CN2203
A2
3
4
5
6
4
C
CN2202
A1
2
S2_DET
3
4
SDA 5
SCL 6
CN2001
A3
CLP1
8
CLP2
9
HBLK
10
VBLK
11
D
27
8