Sony Glasstron PLM-S700E, Руководство по обслуживанию

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4-78
IC1004 TDA4665T/V5-118
IC1005 TC74HC4538AFT (EL)
BURST GA
TE
COMPOSITE VIDEO INPUT 4X SUBCARRIER OUTPUT
1 2 3 4
5 6 7
VCC
SUBCARRIER
OUTPUT
GND
PHASE
DETECTOR
OUTPUT
4X SUB
XT
AL
8
SUBCARRIER
REFERENCE
OUTPUT
DIVIDED BY 4
4X REFERENCE
DRIVE
VOLTAGE
CONTROL
INPUT 4X
REFERENCE
OUTPUT
CRYSTAL
VCO
PHASE
DET OUT
VIDEO IN
CLAMP IN
REFERENCE
SUBCARRIER
PHASE
DETECTOR VIDEO
CLAMP
CLAMP OUT
GATE PULSE
2.6V
REFERENCE
VOLTAGE
1 2 3 4 5 6 7 8
T1
Q
Q
T2
R A B
16 15 14 13 12 11 10 9
T1
Q
Q
T2
R A B
VDD T12 T22 A2 B2 Q2 Q2 RESET2
RESET1
T11 T21
A1 B1 Q1 Q1
VSS
IC1009, 1010 NJM2534V (TE2)
VOUT
VCC
VIN3 (MUTE)
1 2 3 4
5 6 7
GND
BUFFER
VIN1 VIN2
SW1 SW2
8
BIAS
IC1012, 1016 TC7W74FU (TE12R)
6
CLR
7
PR
8
VCC
5
Q
R S Q
3
Q
2
D
4
GND
1
CK
Q D C
IC1003 MC44144DR2
SIGNAL
CLAMPING
LINE
MEMORY
LINE
MEMORY
SANDCASTLE
DETECTOR
DIVIDER
BY 192
FREOUENCY
PHASE
DETECTOR
SIGNAL
CLAMPING
SAMPLE–
AND–
HOLD
SAMPLE–
AND–
HOLD
LP
6MHz
CCO
DIVIDER
BY 2
LP LP
3 6 2 5 8 1 4 7
14 11 15 12 9 16 13 10
DIGITAL
SUPPLY
ANALOG
SUPPLY
VP2
N.C.
GND2
I.C.
SAND
N.C.
I.C. I.C.
VI(R-Y) N.C. VI(B-Y) N.C. V
0
(B-Y)
V
0
(R-Y)
GND1 VP1