Schematic Diagram -Dmb18 Board (5/5) - Sony HCD-GZR7D Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-14. SCHEMATIC DIAGRAM – DMB18 Section (5/5) –
1 2
DMB18 BOARD
A
IOPMON
VREFO
B
SPFG
DMB18
10
BOARD
(2/5)
(Page 54)
FOO
C
TRO
T E
L 1 3 9 4 2 2 9 6 5 1 3
R207
R204
2.7k
1.2k
DMB18
RF+3.3V
4
BOARD
REG01
(1/5)
D
(Page 53) FMO
DMB18
11
BOARD
(2/5)
(Page 54)
E
DMO
MUTE123
DMB18
12
BOARD MUTE
(2/5)
TSD_M
(Page 54)
F
w w w
HCD-GZR7D/GZR8D/GZR9D
• See page 82 for IC Block Diagrams.
3 4
(5/5)
R223
100k
0.5%
C209 R221
0.033 56k 0.5%
C233
4700p
R220
10k
R226
56k
R212
0.5%
10k
48 47 46
R208
C205 R214
33k
220p 15k
1.5 IN1-
1
CL201
1.5 OUT1
2
R206 10k 1.5 IN2+
3 +
1.5 IN2- -
4
C206
CL202
R209 1.5 OUT2
220p
5
33k
R215 12k 3.3
+
6 -
RES1
GND
+
C203
3.3
-
RES2
0.01
7
CL203
2.2
REGCTL
8
R205 10k
1.5 IN3+ +
9 -
C208 0.01 1.5 IN3-
10
CL204
1.5 OUT3
R210
11
+
47k
R216 12k
1.5 IN4+ -
12
R213
6.8k
IC B/D IC201
13 14 15
IC201
FAN8036L
FOCUS/TRACKING COIL DRIVER,
SPINDLE/SLED MOTOR DRIVER
R224
R219
10k
27k
C210
0.01
x a o
y
. i
http://www.xiaoyu163.com
5 6
R225 R231
R232
R234
100k 15k
18k
10k
0.5% 0.5%
0.5%
C211
R230
0.033
82k 0.5%
C215
0.01
C212
0.01
R233
33k
CL209
0.5%
45 44 43 FIN 42 41 40 39 38 37
-
DO1- 4.3 CL210
-
+
36
+
CL211
DO2+ 4.3
35
DO2- 4.3 CL212
34
PGND1
33
REGO1 5.6
32
REGO2 3.6
31
Q Q
3 7 6
DO3+ 4.3
30
DO3- 4.3
29
DO4+ 4.3
28
DO4- 4.3
27
PGND2
26
DO5+ 1.4
W C + D 25
S
S M - D
GND
SGND
16 17 18 FIN 19 20 21 22 23 24
R2504 C213
4.7k 0.01
C217
47 16V
u 1 6 3
57 57
2 4
8 9 9
7 8
FCS-
FCS+
TRK+
TRK-
JL201
SP-
JL202
SP+
JL203
JL204
FCS-
JL205
SL-
JL206
SL+
FCS+
TRK+
R247
R246
1k
TRK-
4.7k
C220
10 50V
C224
C219 0.01
0.01
3 1 5 1 5 0 8 9
C218
SL-
10 50V
C221 0.1
SL+
SP-
C222 0.1 SP+
JL211
JL210
m
c o
.
HCD-GZR7D/GZR8D/GZR9D
2
8 9 9
9
IOP
REG02
DMB18
FCS-
5
BOARD
FCS+
( 1 / 5 )
TRK+
(Page 53)
TRK-
CN201
6P
SP-
1
2 SP+ OPTICAL
LIMIT
3 PICK-UP
(GND)LIMIT
4 BLOCK
5 SL- (2/2)
SL+
6
DMB18
13
LIMITSW
BOARD
( 2 / 5 )
(Page 54)
2 4 9 8 2 9 9
SW+5V
GND
DMB18
14
SW+9V BOARD
( 4 / 5 )
SW+3.3V
(Page 56)
MTR_GND