Sony DAV-DZ350 Service Manual page 35

• IC Block Diagrams
– MAIN Board –
IC101 AM5888
+
VINFC 1
TRB1 2
REGO2 3
+
VINSL+ 4
REGO1 5
FWD 6 PRE
DRIVER
REV 7
VCC1
VCC1 8
VOTR– 9 TRAY
DRIVER
VOTR+ 10
VOSL+ 11 SLED
DRIVER (4x)
VOSL– 12 VCC1
VOFC– 13 ACTUATOR
DRIVER (6x)
VOFC+ 14 VCC2
IC300 SDRAM 64M
VDD 1
DQ0 2
VDDQ 3
DQ1 4
DQ2 5
VSSQ 6
DQ3 7
DQ4 8
VDDQ 9
DQ5 10
DQ6 11
VSSQ 12
DQ7 13
VDD 14
LDQM 15
WE# 16
COMMAND
DECODER
CAS# 17
RAS# 18
CS# 19
COLUMN
COUNTER
BA0 20
BA1 21
A10/AP 22
ADDRESS
A0 23
BUFFER
A1 24
A2 25
A3 26
VDD 27
REFRESH
COUNTER
MUTE
+
+
+
VCC2
SPINDLE
DRIVER (4x)
VCC2
ACTUATOR
DRIVER (6x)
VCC2
THERMAL
SHUT DOWN
CONTROL
SIGNAL
GENERATOR
MODE
REGISTER
DAV-DZ350/DZ650/DZ950
28 MUTE
27 BIAS
26 VINTK
25 TRB2
24 NC
23 VINLD
22 GND
21 VCTL
20 NC
19 VCC2
18 VOLD–
17
VOLD+
16 VOTK–
15 VOTK+
1M 16
CELL ARRAY
(BANK #A)
COLUMN DECODER
1M 16
CELL ARRAY
(BANK #B)
COLUMN DECODER
DQ
BUFFER
1M 16
CELL ARRAY
CLOCK
(BANK #C)
BUFFER
COLUMN DECODER
1M 16
CELL ARRAY
(BANK #D)
COLUMN DECODER
54 VSS
53 DQ15
52 VSSQ
51 DQ14
50 DQ13
49 VDDQ
48 DQ12
47 DQ11
46 VSSQ
45 DQ10
44 DQ9
43 VDDQ
42 DQ8
41 VSS
40 NC/RFU
39 UDQM
38 CLK
37 CKE
36 NC
35 A11
34 A9
33 A8
32 A7
31 A6
30 A5
29 A4
28
VSS
35