Sony RM-PJM600, Service Manual

Page: 81 / 106

8-5
8-5
A B C D E F G H
1
2
3
4
5
QA QA
QA Board Waveforms
1
1.0Vp-p (H)
VIDEO
2
1.5Vp-p (H)
VIDEO
5
1.1Vp-p (H)
V-IN
6
1.2Vp-p (H)
B-Y
7
950mVp-p (H)
R-Y
9
4.0Vp-p (H)
SCCP
!º
5.0Vp-p (V)
V-VD
!¡
5.0Vp-p (H)
V-HD
8
1.5Vp-p (H)
Y
3
1.0Vp-p (H)
VIDEO/Y
4
1.5Vp-p (H)
U-IN
CXD2064Q-T6 (IC1205)
2
1
9
42
CPO VCV PLSL FIN CKSL
44 39 37 38
ADIN
AYO
7 ACO
CLPO
A/D
VCO 1/4
1/2
DL D/A
D/A
NTSC:1H
PAL :2H
NTSC:1H
PAL :2H
CLAMP
+
-
+
-
SW
SW
4fsc
VERTICAL
BORDER EMPHA
ADAPTIVE
FILTER OP
LOGICAL OPERATION
PHASE
COMPARATOR
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
1dB STEP
VOLUME
8dB STEP
VOLUME
1dB STEP
VOLUME
8dB STEP
VOLUME
VCT
BUFFER
LATCH
SHIFT
REGISTER
LATCH
CONTROL
ZC
DET
+
–
+
–
INP 1 INN 1 VCT 1 INAO 1 VRIN 1 OUT 1 N.C. GND VCT VCC
INP 2 INN 2
VCT 2
INAO 2 VRIN 2
OUT 2
CE
DATA
CLK INIT
QA Board IC Block Diagrams
CXA1846AN-T4 (IC1003)
TDA9143/S1 (IC1202)
22
15
16
26
8
28 27 29 30 31 23
2
1
32
4
3
6 5 24 7 10 11 17 21 20 18 14 13 12 19
25
VERTICAL
SYNC
SEPARATOR
I C-BUS
ADDR(CVBS)
I/O PORT
O PORT/LLC
Y/C VBS
C
DEC
2
SYNC
SEPARATOR
ACC
CHROMA
SWITCH
BIAS
FIL ref
9
DGND
SDA SCL VCC HPLL SC VA CLP/HA G
UIN
VIN
TB
ECL
ECL
VA
HA
CLP
LCA
INA-INB
BPS
YD3-YD0
SECAM ref
-(R–Y)
-(B–Y)
R B F
U
OUT
V
OUT
Y
OUT
AGND CPLL XTAL Fsc out XTAL2
FSC
BUFFER
IDENT
SYSTEM
HORIZONTAL
PLL
TRAP
DELAY DELAY
HUE
CHROMA
BANDPASS
CHROMA
PLL
Y CLAMP
PAL/NTSC
DEMOD
SWITCH
MATRIX
SWITCH
SECAM
CLOCHE
FILTER
TUNING
SECAM
DEMOD
TIMING
GENERATOR
ECMB
2 2
LATCH
DAC
AMP
LATCH
DAC
AMP
LATCH
DAC
AMP
LATCH
DAC
AMP
LATCH
DAC
AMP
+
–
VCC
REG
I
2
C DECODER
LEVEL
CONVERTER
LEVEL
CONVERTER
LEVEL
CONVERTER
LATCH
POWER
ON
RESET
OPEN COLLECTOR
3 6 2 5 8 1 4 7
SW1 SW0
DAC4 DAC3 DAC2 DAC1 DAC0
GND
14 11 15 12 9 16 13 10
VCC SCL SDA SAD2 SAD1 SAD0 SW3 SW2
CXA1875AM-T4 (IC1102)
1
2
3
4
7
8
5
6
16
15
14
13
12
11
10
9
VP2
N.C
DGND
(R-Y)IN
NC
(B-Y)IN
NC GND
PULSE IN
NC
IC
GND
SIGNAL
CLAMPING
LINE
MEMORY
SAMPLE
AND-
HOLD
LP
SIGNAL
CLAMPING
SANDCASTLE
DETECTOR
DIVIDER
BY 192
DIVIDER
BY 2
LINE
MEMORY
SAMPLE
AND-
HOLD
FREQUENCY
PHASE
DETECTOR
6MHz
CCO
LP
LP
DIGITAL
SUPPLY
pre-amplifiers
3MHz shifting clock
addition
stages
output
buffers
+
–
+
–
(R-Y)OUT
+
–
(B-Y)OUT
+
–
A GND
VP1
ANALOG
SUPPLY
TDA4665T/V5-118 (IC1201)
1 OUTPUT A
VS
3 OUTPUT B
+INPUT A
-INPUT A
+INPUT B
-INPUT B
7
2
4
8
6
5
NJM2073D (IC1004)
16
IN 1 A
15
GND 1
14
IN 2 B
13
V
CC
12 11
IN 2 A
10
GND 3
9
IN 3 B
1
IN 1 B
2
SW 1
3
OUT 1
4
GND 2
5
OUT 2
6
OUT 3
7
SW 3
8
IN 3 A
H
L
H L
L
H
SW 2
MM1231XFBE (IC1204)
8 7 6 5
1 2
SW
GND
IN1 SW IN2 NC
OUT Vcc NC
3 4
BIAS
CLAMP
BUFFER
CLAMP
MM1111XFBE (IC1203)
TDA9178-S0 (IC1208)
8
6
9
17
19
21
16
SMART PEAKING
LTI
VDC
OUTPUT
STAGE
Y OUT
S OUT
U OUT
V OUT
CF
ADXT1
ADXT2
ADXT3
ADEXT1(LOW FREQUENCIES)
ADEXT2(LOW FREQUENCIES)
ADEXT3(LOW FREQUENCIES)
COLOUR
PROCESSING
CDS
CTI
'CUE FLASH'
DELAY
CONTROL
INPUT
STAGE
WINDOW
GENERATION
SUPPLY
SATURATION
CORRECTION
LUMINANCE
PROCESSING
4
3
22
5
FEATUREMODE
DETECTION
I C CONTROL
I C
SC
SDA
V
V
Y
LUMINANCE VECTOR PROCESSING SPECTRAL PROCESSING
COLOUR VECTOR
PROCESSING
BLACK STRETCH
HISTOGRAM PROCESSING
GAMMA CONTROL
SKIN TONE CORRECTION
GREEN ENHANCEMENT
BLUE STRETCH
U,V
DEC
EE
CC
DIG
Y IN
U IN
V IN
2
2
NOISE
MEASURING
CALIBRATE
ADC
15
20
18
1
14
SAND-
CASTIE