Onkyo TX-NR801/E Service Manual page 52

IC BLOCK DIAGRAMS AND DESCRIPTIONS
Q7502 M66005-0001AFP(FL tube drive IC)
14
CS
SERIAL
RECEIVE
15
SCK
CIRCUIT
SDATA
16
13
RESET
Xin 21
CLOCK
GENERATOR
CIRCUIT
Xout 20
Q2752/Q2753 MM1093(4fsc clock generator)
OSCILLATOR R
Vcc1
Vcc2
OSCILLATOR C
APC2 FILTER
4fsc OUTPUT
BURST GATE FILTER
COMPOSITE INPUT
Vcc1
Vcc2
19 60
DISPLAY
CODE RAM
(8 bits 16)
RAM
write
INDICATOR
CONTROL
code
REGISTER
selector
DISPLAY
CONTROLLER
22
Vss
9
10
4fsc
VCO
11
DIVIDER
(1/4)
12
APC2
13
BGP
14
GEN
15
SYNC
16
SEP
52
CGROM
(35 bits 160)
CGRAM
(35 bits 16)
DIGIT
OUTPUT
CIRCUIT
32
Vp
8
7
6
fsc
VCXO
5
APC1
4
2nd
3
ACC
BPA
DET
2
1st
1
BPA
TX-NR801/E
23
SEG36
31
SEG28
33
SEG27
SEG01
59
61
DIG16/SEG40
64
DIG13/SEG37
17
P1
18 P0
1
DIG12
DIG01
12
NC
fsc OUTPUT
GND2
GND1
X'TAL
APC 1 FILTER
ACC FILTER
CHROMA INPUT