Zenith DVB611, Service Manual

Page: 34 / 63

3-23
BLOCK DIAGRAMS
1. Overall Block Diagram
M
M
DISC
SP
INDLE
MOT
O
R
LO
A
D
ING
MO
T
O
R
DECK ME CHA NIS M
D
V
D :
A,
B,
C,D,RF
CD :
A,
B,C,
D,
E,F,RF
PIC
K
UP
B/
Pb
IC
604
M
X
29
LV160
T
T
C
16/32
B
IT
FL
A
S
H R
O
M
MEMAD[0:19]
FL ASHC S-
MEMWR-
MEMRD-
RA MDAT [00:15]
L/R
CVBS
R/
Pr
G/Y
TV_DAC[0:3]
Y C
L/R
IC
605
S524
A
4
0
EE
PRO
M
LOAD[+,-]
FACT[+,-]
TACT[+,-]
SP [+,-]
SLED
(FEEDING)
MO
T
O
R
SLE D[+,-]
M
V33D
A
V33
A
V18
A
/V33
A
5V
ABCK AL
RC
K
AO
UT
0
IC701
MM1
6
9
2
X
V
B
E
VIDEO BUFFE
R
ASPDIF
COAX
IAL
SPD
IF
CD_LD,D
V
D
_LD,
V
C
5.6V
A
IN
S
W
,O
UTS
W
MEMDA[0:15]
DM
U
T
E
I2CCL
K/MC
IC
603
ESM
T_M
1
2L
6
4
1
64A
4M/
1
6BI
T
SDR
A
M
V33
A
R
A
M
A
D[00:11]
RA
M
C
K
E
PC
LK
RA
MBA
RA
M
C
S
1
RA
M
D
Q
M
RA
MWE
RA
M
C
A
S
RA
M
R
A
S
I2CD
AT/MD
IC601
ZORA
N ZR36882
5V
YC_ MIX
AMCL
K,ML
O
P
E
N
,CLO
S
E
,S
L
E
D_
S,
S
P
INDL
E_
S,F
O
C
U
S
_
S,T
RA
C
K
_
S
CD_D
V
D, VR_
CD,
V
R
_D
V
D
CD_DV D
C
N
601
Do
w
n
load
I/F
DUPTR0
IC
703
P
C
M
1753
2D
A
C
IC
201
A
M
5869S
Motor Dri
v
e
D
R
VSB
P
ICKSE
L
Pick-up
RF+DSP MPEG IC
IC702
M
C
4580
OP-A
M
P
+
12V
KEY
In
put
5V
12V
27
M
H
z
RC901
R/C
IC
901
P
T
6963
LED DRI
V
E
R
IR
POW
ER
BOARD
PO
WCT
L_H
3.3V 3.3V
A
DIG901
LE
D Cloc
k
5V
Din
Do
ut
CLK
S
TB
3
Po
w
e
r
Key
Power On
A
C
90V~240V
50H
Z/60H
z
5.6V
A
IC
606
KI
A
7
02
7
RESE
T I
C
RESET
SPD
L
_
SENS
+
,
1
.8
VA
DUPTD0
TR
A_MUT
E_R/L
3.
3V
A