Sony D-V7000 - DIAGRAMS; IC Block Diagrams

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• IC Block Diagrams
– MAIN Board (1/2) –
IC301 TC74VHC157F
IC360 BA3574BFS
IC320 TC9434AFNEL
SELECT
111
1A
2
3
4
5
6
7
INPUT
INPUT
OUTPUT
OUTPUT
1A
1B
1Y
2A
2B
2Y
1B
1Y
2A
2B
2Y
GND
8
V CC
STROBE
16
4A
15
14
13
11
12
11
10
INPUT
INPUT
OUTPUT
OUTPUT
G
4B
4Y
3A
4A
4B
4Y
3A
3B
9
3B
3Y
3Y
S
21 3
4
5 6 7 9 10
1319 18
11
TEST
CIRCUIT
OUTPUT
CIRCUIT
CPU INTERFACE
CIRCUIT
INPUT INTERFACE
CIRCUIT
∆Σ MODULATOR CIRCUIT
DIGITAL FILTER CIRCUIT,
DIGITAL BASS BOOST CIRCUIT,
ATTENUATOR OPERATIONAL CIRCUIT,
DE-EMPHASIS FILTER CIRCUIT
ANALOG
FILTER
VDD
T1
P/S
VDA
RO
GNDA
VR
GNDA
LO
VDA
ZD
GNDD
ATT (LB1) LB2 SH (EMP) LA (SM) LRCK BCK DATA
20 16 15
OSCILLATOR
TIMING GENERATOR
VDX XO MCKO
14
GNDX
XI
17212224 23
OUTPUT
CIRCUIT
ANALOG
FILTER
12
8
MUTE
MUTE SW
11
P.SW
PW SW
12
IN 1
13
IN 2
14
BIAS OUT
15
BIAS IN
16
RF OUT
17
RF IN
18
BEEP IN
19
V
CC
20
RIPPLE
FILTER
BEEP
10
9
8
BB SW
7
6
5
4
3
2
1
MUTE
LP
MUTE SW
AVC
AVC IN
AVC DET
MIX OUT
OUT 1
VREF
OUT 2
GND