Ic Block Diagrams - Sony KF-50XBR800 Service Manual

4-6. IC BLOCK DIAGRAMS

• BB (8/10) BOARD IC3608
TLC2932IPWR
Voltage Control Oscillator
BIAS 13
Ring Oscillator
Bias VCO
VCO IN 12
Control Output
VCO INHIBIT 10
Phase Frequency Detector
Charge Pump
FIN A 4
Detector
FIN B 5
PFD INHIBIT 9
• BC (1/5) BOARD IC4601
CXA2171Q
SCL 30
2
I C BUS
SDA 31
DEC.
ADDRESS 32
IN1_1 33
YPbPrJ/YCbCr
IN1_2 34
MATRIX
IN1_3 35
SELECTOR
YPbPrU/YCbCr
IN1_H/L1 36 1, 2, 3
IN1_V/L2 37
GBR/YCbCr
IN1_L3 38
IN1_SW 39
SELSTB_1
SELSTB_2
MAT_OUT
IN2_1 41
DECL1_1
IN2_2 42
DECL2_1
IN2_3 43
DECL3_1
IN2_H/L1 44
DECSW_1
DECL1_2
IN2_V/L2 45
IN1 ~ IN4
DECL2_2
IN2_L3 46 SELECTOR
DECL3_2
IN2_SW 47
DECSW_2
3
IN3_1 1
6dB
IN3_2 2
EXISTENCE DISTINCTION
IN3_3 3
IN3_H 4
INTELLIGENT SYNC SEP.
HYSW
H
IN3_V 5
HSEP_SEL
IN4_1 7
HD_TC
IN4_2 8
V_TC
V
IN4_3 9
PRIORITY RANKING
IN4_H 10
HV>CS>SYNC ON Y/G
IN4_V 11
INPUT_SEL
15 16
1/2
3 VCO OUT
MUX
2 SELECT
VDD
6 PFD OUT
Y
6dB Cb
AMP.
Cr
CLOCK
GAIN_SEL
GEN.
YGAIN
CBGAIN
CRGAIN
CLK_SEL
H-NUMBER
V-NUMBER SELDUM
SYNC
COUNTER
DUMMY
3STATE
SYNC
MACRO
3-STATE
SYNC
MACRO H SYNC
DET.
VISION WIDTH
HS_MASK
FIX_SYNC
H_WIDTH
13 14
• BC (4/5) BOARD IC4603
• BC (5/5) BOARD IC4608
CXA2103AQ
32 43 33
SCL 4
2
I C Bus
SDA 3
decoder
ADRS 2
Luma-Filter
Y CLAMP 45
¥ Sub-Contrast (4)
¥ C-Trap (1)
¥ Y/C Delay (2)
Y
Chroma-Dec.
¥ Sub-Color (4)
FSC OUT 44
¥ Sub-Hue (4)
X'tal 41 ¥ BPF Q (2)
¥ BPF f0 (2)
APC FIL 42
¥ BPF SW (1)
¥ Killer (1)
C
C Vcc 47
C GND 5
SEL
46 48 1 8 6
27 SELY_OUT
26 SELCB_OUT
25 SELCR_OUT
20 EXTCLK/XTAL
• U (1/3) BOARD IC2001
CXD2073Q
18 IREF
40 VCC1
48 GND1
28 VCC2
24 GND2
12 VCC3
ADIN 1 A/D 1H
6 GND3
22 SELH_OUT CLPO 32 CLAMP
1/4
23 SELV_OUT
FIN 25
27 28
– 134 –
34 35 29 30 31 28 37 38 39 21 25 26 27
CLP RGB CLP RGB
r r
YCbCr YCbCr
Y/Cb/Cr
Offset
Y/Cb/Cr Y/Cb/Cr
¥ Cb Offset2 (6)
CLP ¥ Cr Offset2 (6) CLP
Y/Cb/Cr Y/Cb/Cr
Y Y
SW ATT SW
SEL
Offset
¥ YCbCr ¥ Cb Offset1 (6)
Cb/Cr
Selec1 (2) ¥ Cr Offset1 (6)
SEL
H-PLL
HSS
¥ Pic Phase (4)
Y
¥ H-Mask (1)
¥ AFC Gain (1)
CVBS SEL Sync sep. ¥ H Lock
¥ SSep-Mode (2) ¥ H Adjust
¥ Video select (4)
12 10 16 14 17 18 7 13 20 19
–
DL D/A 7 AYO
CHROMA
D/A 4 ACO
OUTPUT
LOGIC
VCO
SEL INTERNAL CLOCK
26
KF-50XBR800/60XBR800
K
RM-Y912 RM-Y912
22 23 24
Amp
¥ Y-out Level (6)
¥ CbCr Level (6)
Sharpness
¥ Sharpness (4)
DL
¥ Pre-Over (2)
¥ Sharpness-f0 (2)
LPF
¥ LPF (1)
A-Ped.
CLP
36 A PED
¥ Auto
¥ DC Tran (2)
Pedestal
point (2)
40 CLAMP
VSS
Count down
¥ CD-Mode (2)
¥ V-STD
11 15