Zenith DVT654 Service Manual - Block Diagrams
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BLOCK DIAGRAMS
1. OVERALL BLOCK DIAGRAM
TUN10
1
RA
DIO TUNER M
ODUL
E
AV
CC, AP
C
M
M
PIC
K
UP
SP
IN
DLE
MO
T
O
R
SLED
MO
T
O
R
M
LOAD
IN
G
MO
T
O
R
IC
20
1
IP45
04A
M
O
TO
R DRI
VER
SL+, SL-
LOAD+, LOAD-
SP+, SP-
F+, F-, T+, T-
RV
CC
2
, +P8
V
LD
0
1
, LD
02,
IO
A
,
V2.0
, M
D
I1
C
D
: RF
O,
A,
B, C
, D
,
E
,
F
DV
D : RF
O, A, B, C, D
TROUT,
TRIN,
ADIN
LIM
IT
V1P4
IC
60
1
M
T
138
9F
E
MP
EG &
D
S
P
T
R
O
P
E
N
, T
R
C
L
O
S
E
, T
R
S
O,
FOS
O,
D
M
S
O, F
M
S
O, S
T
B
Y
IC602
A29LV800TA-70
1M, 8BIT FLASH
DV3
3
IC
60
3
M
1
2L6
41
64A
64
M
b
, S
D
RA
M
SD33
AD[0:7
]
A[00
:21]
PC
E#, PR
D
#
,
P
W
R
#
MA[00:11]
DQ[00:15]
DQM[0:1]
DCS#, DRAS#, DCAS#,
DWE#
BA[0:1], SDCLK, SDCKE
IC606
KS24C021CS
2Kb,
EEPROM
DV3
3
SD
A
SC
L
CN601
RS-232
X601
27MH
z
TXD
RX
D
AV33,
D
V33
DV
D_
CE, DVD_CLK,
DATAIN
D
V
D
_
R
ESET
DV
D_
DATAOUT
IC605
MM1623XFBE
VIDEO 6dB A MP
5V
JK 501
AV1-IN
COMPONET-OUT
COAXIAL IN
AV1 AUD
IO_L,
R
_
VID
EO
MONIT
O
R OUT
Y,
Pb
, Pr
JK 502
S-VIDEO
Y_OUT
, C_OUT
IC
10
1
TM
P
8
8
C
U
77F
A
UDI
O M
ICOM
R
EG_5VA
X101
12.5MH
z
IC70
1, IC702
IC70
3, IC704
STA
510
R
EG_3.3VA
, 34.5V
A
L.
P.
F
R.
L
F.
L
C
SW
F.
R
R.
R
L703
L702
L708
L710,L7
11,L7
12
LL70
5
LL70
6
JK701
SPEA
KER TERM
INA
L
510_FAU
LT, TH
_
W
AR
510_P
DN
IC
30
1
PS
98
2
9
8C
H. PW
M
MO
D
U
L
A
T
OR
R
EG_3.3VA
SL+
/
FL+/
C+/
SW
+
/
FR+/
SR
+
/
X301
12.288MHz
PS9829_
C
L
K, R
ESE
T
, PD
N
PS9829_
D
ATA
REG-9V
RD
S_
C
LK, DAT
A
OP
T
ION
P_C
E, P_CLK, P_DO
P_DI
MUTE
IC501
OP
A
M
P
FRONT
REAR
C/SW
ALRCK, ABCK
DN_MIX
IC303
BU4052
A
UDI
O S/
W
IC304,
IC305
OP
A
M
P
IC
30
2
CS
4
2
5
1
6
COD
E
C &
DI
R
AMCLK
ALRCK, ABCK
ADATA
REG_5VA
TUNE
R
_L, R
AV1_L,
R
4052_SW
1
,S
W
2
REG_
12V
H
/PH
ON
E+
/
JK 503
OPT.
SPD
IF
RIN, LIN
V_MUTE1
V_MUTE2
IC601
FLI2301
RESOLUTI
ON U
P
JK
6
01
HD
M
I O
U
T
CON
N
ECTO
R
HD
M
I PCB
A
SSY
IC602
HY
5
7V6
43
2
2
0
C
T
64
M
b
, S
D
RA
M
IC605
M
M
123
4
SWI
T
CHI
NG I
C
IC
60
3
SIL9
190
HD
M
I
Y,Pb,Pr(Analog or Digital)
3.3v-
D
1, 3.3V-
M
AV33,
D
V33
3.3V-
D
1
,1.8V-D
1
3.3V-
D
1
X601
13.5MH
z
TX0+,
TX0-,
TX1+
,T
X1-,
T
X
2
+
,T
X
2
-, T
X
C+,TXC-,
Y,Pb,Pr(Analog)
(R
eso
lution up)
Y,
Pb,
Pr
DA
D0
~1
0
D
Q
0~
31
SPD
IF
AM
C
L
K
SC
L,SD
A
FDATA0~7
M_VSYNC, M_HSYNC
DATA0~2/+-
HOT PLUG DET
DDC CLK,DATA
+5V
COAX
IAL
IN
JK 001
H/PHONE
H
EAD
PH
ON
E L,
R
JK 002
JK 003
JK 004
AV2_AUDIO L,
R_VIDEO
AV2_L,
R
IC
50
2
NJ
M
224
4
VID
E
O
S/W
AV2_VIDEO
AV1_VIDEO
C
VBS
V_MUTE1
V_MUTE2
MEMORY SLOT
ASSY
(7 IN 2)
USB_M, USB_P
12MHz