Ic Block Diagrams - Sony KP-48PS2 Service Manual

6-6. IC BLOCK DIAGRAMS

• J (5/5) BOARD IC8601
TDA9178T
LUMINANCE VECTOR PROCESSING
Y
LUMINANCE
Y IN 6
INPUT
PROCESSING
U IN 8
STAGE
9
V IN
U,V BLACK STRETCH
HISTOGRAM PROCESSING
GAMMA CONTROL
COLOUR VECTOR
PROCESSING
SATURATION
CORRECTION
DEC 15
DIG
V CC 20
SUPPLY
V EE 18
SKIN TONE CORRECTION
GREEN ENHANCEMENT
BLUE STRETCH
SAND-
CASTLE
WINDOW
1
SC
GENERATION
NOISE
MEASURING
CALIBRATE
'CUE FLASH'
FEATUREMODE
DETECTION
2
I C
2
SDA 14 I C CONTROL
• A (1/3) BOARD IC1401
• B3 (2/5) BOARD IC604
• S BOARD IC4705
CXA1875AM
15
16 14 13 12 11
LEVEL LEVEL
LATCH
CONVERTER CONVERTER
LEVEL
CONVERTER
2
I C DECODER
POWER
ON
RESET
LATCH LATCH LATCH LATCH
– DAC DAC DAC DAC
+
VCC
REG
AMP AMP AMP AMP
1 2 3 4 5 6
21 S OUT
SPECTRAL PROCESSING
SMART PEAKING
19
LTI Y OUT
OUTPUT
VDC 17 U OUT
STAGE
16 V OUT
CDS
DELAY
CTI
CONTROL
COLOUR
PROCESSING
22 CF
ADEXT1(LOW FREQUENCIES)
3
ADXT1
ADEXT2(LOW FREQUENCIES)
ADC 4 ADXT2
ADEXT3(LOW FREQUENCIES)
5 ADXT3
10 9
OPEN
COLLECTOR
LATCH
DAC
AMP
7 8
• B3 (1/5) BOARD IC504
TLC2933IPWR
Voltage Control Oscillator
BIAS 13
Ring Oscillator
Bias VCO
VCO IN 12
Control Output
VCO INHIBIT 10
Phase Frequency Detector
Charge Pump
VDD
FIN A 4
Detector
FIN B 5
PFD INHIBIT 9
• E BOARD IC4301
CXA2100AQ
Y1-IN 52
Y/Cb/Cr
Cb1-IN
53 CLP
Cr1-IN
54
FS 55
Y2-IN 56
Y/Cb/Cr
Cb2-IN 57 CLP
Cr2-IN
58
SCL 62 2
I CBUS
SDA 61 DECODER
HS-IN 59
500k 15
AFC-FIL 14
SCP-OUT 13
VTIM-OUT 10
VS-IN 60
•V-FREERUN
•AKB-TIM1
•AKB-TIM2
•VBLKW
– 89 –
• B3 (2/5) BOARD IC603
• B3 (5/5) BOARD IC313
• BD (2/4) BOARD IC2612
TLC2932IPW
Voltage Control Oscillator
BIAS 13
Ring Oscillator
3 VCO OUT
Bias
VCO IN 12
Control
2 TEST
VCO INHIBIT 10
FIN A 4
Detector
6 PFD OUT
FIN B 5
PFD INHIBIT 9
46 45 44 48 43 50 41 40 39 38 36 35
VM
•VM-LEVEL
SHP
LTI •PICTURE
•SHARPNESS •DPIC-LEVEL
•SUB-CON
•PRE/OVER •AGING W
•BRIGHT
•LTI-LEVEL •AGING B
•SUB-BRIGHT
•SHP-F0
Y R
Y Y
SW CLP DPIC
R-Y
•DL-PASS •DC-TRAN
G YS PIC
G-Y
SW MAT
YM BRT
B-Y
COL
B
Cb/Cr AXIS
SW HUE
Cb/Cr
•COLOR •COLOR-AXIS
•HUE •NTSC-JPN
•CB-OFFSET1 •NTSC-US
CTI
•CR-OFFSET1 •PAL
CLP PULSE •CTI-LEVEL •CB-OFFSET2 •OTH
BLK PULSE •CR-OFFSET2
16fHVCO
•H-LOCK
AFC
1/16 DIV
PULSE
SCP LOOP2
GEN
•H-POSITION
•LEFT-BLK
•AFC-BOW
•RIGHT-BLK
•AFC-ANGLE
AGC
COUNT W-FUNC
VOSC
•V-SCROLL
•V-ASPECT
•UP-VLIN
•LO-VLIN
IREF REG
•U-SCAN
•ZOOM-SW
49 11 7 3 4
KP-48PS2/61PS2
RM-903
1/2
VCO
MUX 3 VCO OUT
Output
2 SELECT
Phase Frequency Detector
Charge Pump
VDD
6 PFD OUT
34 33
•R-CUTOFF
•G-CUTOFF
•B-CUTOFF
•LRGB2-LEV •BLK-BOTTOM
•PIC-ON
0~–9dB •R-ON
•G-ON
•GAMMA
•B-ON
•D-COL •R-DRIVE
24 PABL-FIL
•DCOL-TEMP •G-DRIVE
•LIMIT-LEV •B-DRIVE
30 R-OUT
28 G-OUT
AKB
GAM
26 B-OUT
YS
DCOL DRV BLK
YM
31 R-SH
LIMT PABL
29 G-SH
27 B-SH
•ABL-MODE
•ABL-TH 25 IK-IN
•P-ABL
22 ABL-IN
ABL
23 ABL-FIL
21 PGB-AFC-OUT
19 L2-FIL
18 HP-IN
20 XRAY-IN
HD
17 HD-OUT
16 VPROT
V-FUNC 5 VDP-OUT
6 VDN-OUT
•V-SIZE •V-LINEARITY
•V-POSITION •V-COMP
•S-CORRECTION •V-ON
EW-FUNC
1 EW-OUT
•H-SIZE •UP-CORNERPIN •TRAPEZIUM
•PIN-AMP •LO-CORNERPIN •EW-DC
•H-COMP
DF-FUNC 64 DF-PARA
EXTRA
63 EXTRA-PARA
•M-PIN