Sony VPL-FX50 Manual page 160

C Board Waveforms
1 2 3
406Vp-p(H)
4.0Vp-p(H) 6.0Vp-p(H)
TP5013 [DVS]
TP5014 [DHS] TP5703 [FRP]
6 7 8
6.0Vp-p(H) 7.3Vp-p(500ns) 7.3Vp-p(500ns)
TP5706 [ENBP] TP5712 [HCK1] TP5713 [HCK2]
!¡ !™ !£
6.1Vp-p(H) 6.1Vp-p(H) 6.1Vp-p(H)
TP5709 [VCK] TP5710 [PCG] TP5711 [CLP]
!§ !¶ !•
1.1Vp-p(H) 1.2Vp-p(H) 1.4Vp-p(H)
TP5304 TP5306 TP5300
@¡ @™ @£
7.9Vp-p(H) 11.1Vp-p(H)
11.1Vp-p(H)
TP5307 [G|INV]
TP55310 TP5311
@§ @¶ @•
11.1Vp-p(H) 7.6Vp-p(H) 11.1Vp-p(H)
TP5313 [R|INV]
TP5316 TP5317
C
4 5
6.3Vp-p(H) 6.0Vp-p(H)
TP5704 [PRG] TP5705 [ENB]
9 !º
5.2Vp-p(H) 6.2Vp-p(H)
TP5707 [HST] TP5708 [VST]
!¢ !∞
1.1Vp-p(H)
2.9Vp-p(12.288MHz)
TP5301
!ª @º
1.5Vp-p(H) 1.4Vp-p(H)
TP5302 TP5305
@¢ @∞
7.6Vp-p(H) 11.1Vp-p(H)
TP5312 [B|INV]
TP5318
@ª
11.1Vp-p(H)
TP5319
8-30
C
C Board IC Block Diagrams
M52749FP-TP(IC5301)
V
R OSD IN 4
SUB MAIN
OSD MIX
R INPUT 2 CLAMP
CONTRAST CONTRAST
R V 12V 3
CC
GND
5
G OSD IN 9
SUB MAIN
6 OSD MIX
G INPUT CLAMP
CONTRAST CONTRAST
G V 12V 8
CC
GND 10
B OSD IN 13
SUB MAIN
B INPUT 11 CLAMP OSD MIX
CONTRAST CONTRAST
B V CC 12V 12
GND 16
OSD
Contrast(ABL) IN 17
Main LEVEL
CONTRAST 4bit
Sync On
8bit
SOG INPUT 7 Green
B SUB CONT 8bit
Sep
G SUB CONT 8bit
SOG Sep OUT 20 R SUB CONT 8bit
21 14 1
Clamp Pulse IN GND OSD Blanking
CXA1875AM-T4(IC5231)
16 15 14 13 12 11 10 9
OPEN COLLECTOR
LEVEL LEVEL
LATCH
CONVERTER CONVERTER
LEVEL
CONVERTER
I 2 C DECODER
POWER
ON
RESET
LATCH LATCH LATCH LATCH LATCH
– DAC DAC DAC DAC DAC
+
VCC
REG
AMP AMP AMP AMP AMP
1 2 3 4 5 6 7 8
8-30
TC7W14FU(IC5002, 5201)
CC =12V Main Brightness Retrace Blanking
42 34 30
RETRACE
AMP
41 R OUTPUT
BLANKING 1A 1 8 VCC
7 1Y
3Y 2
CLAMP
F/B
2A 3 6 3A
GND 4 5 2Y
RETRACE
AMP 38 G OUTPUT
BLANKING
CLAMP
F/B
RETRACE
AMP 33 R OUTPUT TC7W74FU(IC5230)
BLANKING
35 Contrast ref.
TC7WH74FU(TE12R)(IC5005, 5708)
CLAMP
F/B
31 Contrast cont.
V CC 5V
19
(DIGITAL)
23 SDA
8 7 6 5
BUS
DAC
I/F
22 SCL
S R Q
24 GND
25 26 27 28 29 32 36 39 C
D Q
DAC output GND GND
GND
for cut-off Adj
1 2 3 4
VPL-FX50