Lc75721E (Ic301); 74Lcx74 (Ic821); Tda7330Bd (Ic202); Sn74Lv00Apw (Ic814) - Denon AVR-1603/683 Service Manual

LC75721E (IC301)

48
49
DI
CL
CE
RES
V
DD
OSCI
OSCO
Vss
TEST
V
FL
G1
G2
G3
G4
G5
G6
64
1

74LCX74 (IC821)

C 1 14
D1
D 2 CP D 13
1 1 1
S C
CP 3 D1 D1 12
1
Q Q
1 1
S 4 11
D1
Q 5 10
1
D CP
2 2
Q 6 9
1
C S
D2 D2
GND 7 8
Q Q
2 2

TDA7330BD (IC202)

TOP VIEW
MUXIN 1 20 POR
2 19
V TM
REF
COMP 3 18 FSEL
FILOUT 4 17 T2
GND 5 16 V
CC
6 15
T1 ARI
T3 7 14 QUAL
T4 8 13 RDDA
OSCOUT 9 12 RDCL
10 11
OSCIN T57

SN74LV00APW (IC814)

1A 1 Vcc
14
1B 2 4B
13
1Y 3 4A
12
2A 4
11 4Y
2B 5 3B
10
2Y 6
9 3A
GND
7
3Y
8
LC75721E Terminal Function
Symbol
V Power terminal +5V
DD
33
V Power terminal GND
SS
32 V
Power terminal FL drive
FL
AM 17
Serial data transfer terminal
AM 18 DI
DI: Data
AM 19
CL
AM 20
CL: Clock
CE
AM 21
CE: Chip enable
AM 22
AM 23
OSCI
AM 24
External CR connecting terminal
AM 25
OSCO
AM 26
AM 27
RES System reset terminal
AM 28
AM 29 AM1~AM35
Anode output terminal
AM 30
AA1~AA3
AM 31
AM 32
AA4/G16
17
AA5/G15
AA6/G14
Anode/Grid output terminal
16
AA7/G13
AA8/G12
G1~G11
Grid output terminal
LSI test terminal
TEST
Pin Descriptions
V
CC
Pin Names
C
D2
D , D Data Inputs
1 2
D
2
CP , CP Clock Pulse Inputs
1 2
CP
2
CD CD Direct Clear Inputs
1, 2
SD
2
SD SD Direct Set Inputs
1, 2
Q
2
Q Q Q Q Outputs
1, 1, 2, 2
Q
2
MM74LCX02 (IC813)
1
1Y
1A
2
1B 3
2Y
4
2A 5
6
2B
GND 7
74HCU04 (IC803)
1
1A
2
1Y
3
2A
4
2Y
5
3A
6
3Y
GND
7
MM74LCX244 (IC809~811)
Function
BU2090F (IC302)
DATA
Description
CLOCK
NJM2068MD
(IC815~820,721,761,762,
763,781,782,783,817,818,819)
BA4510F (IC815,816)
14
Vcc
13 4Y
12 4B
4A A OUTPUT
11
A –INPUT
3Y
10
A+INPUT
9 3B
8 3A
LA7952 (IC601,621,622)
14
Vcc
13 6A
12 6Y
driver
11
5A
5Y
10
9 4A
8
4Y
AVR-1603/683
TOP VIEW
1 20
OE VCC
2 19
I0 OE2
3 18
O4 O0
17
4
I1 I4
5 16
O5 O1
6 15
I2 I5
7 14
O6 O2
8 13
I3 I6
9 12
O7 O3
10 11
GND I7
18
VSS 1
CONTROL CIRCUIT VDD
OE
2 17
12-bit SHIFT REGISTER
3
16 Q11
LCK
4 15 Q10
12-bit STRAGE REGISTER
Q0 Q9
5 14
O U T P U T B U FFE R (O P E N D R A IN )
Q1 6 13 Q8
Q2 7
12 Q7
8 Q6
Q3 11
9 Q5
Q4 10
V
1 8
B OUTPUT
2 7
3 6 B –INPUT
V B +INPUT
4
5
6dB
amp
video switch
control
(4 inout 1 output)
1 2 3 4 5 7 8 9
6
18