Sony D-E551 Service Manual page 15

D-E551/E555/E556CK
Q Q
7
3
• IC Block Diagrams
IC301 TC9438FNEL
(DBB1) (EMP) (SM)
LRCK BCK DATA DBB2 ATT SHIFT LATCH VDX XO XI GNDX MCK
24 23 22 21 20 19 18 17 16 15 14 13
DATA MICRO COMPUTER
INTERFACE INTERFACE OSC
CIRCUIT CIRCUIT
TIMING
DINAMIC
GENERATOR
BASS BOOST
CIRCUIT
DIGITAL FILTER CIRCUIT
DEEMPHASIS FILTER CIRCUIT
ATTENUATOR OPERATIONAL CIRCUIT
∑-∆ MODULATION CIRCUIT
OUTPUT OUTPUT
CIRCUIT CIRCUIT
TEST
CIRCUIT
ANALOG ANALOG
FILTER FILTER
1 2 3 4 5 6 7 8 9 10 11 12
VDA ZD GNDD
VDD T1 P/S VDA RO GNDA VR GNDA LO
IC302 TA2120FN (EL)
T E
L 1 3
BST BST PW MT MT BEEP ATT
BIAS
OUT SW BIAS SW SW TC IN GND IN B IN A SW
IN
24 20 19 18 17 16 15 14 13
23 22 21
BEEP ALC ALC
BIAS PW MT ATT
SW SW OUT B OUT A SW
ADD
B
BST
ADD A
PW PW
PW
C
B A
PWC
SW
ALC
DET
1 2 3 4 5 6 7 8 9 10 11 12
BST ADD RF IN PWC VCC OUT B OUT C OUT A PWR MIX ALC ALC
NF OUT SW GND OUT IN DET
w w w
– 29 –
1 5
6 3
IC401 MPC18A26VMEL
RS 1
ERROR AMP
DCDTB 2
DCIN DETECT
3
RF2
ERROR AMP
INM2 4 CHARGESW
PWM2
INP2 5
CHARGE
DTC3 6
AMP
SAWTOOTH
RF1 7
INM1 8 –
VG
+
INP1 9
PWM1
CMP1 10
VG
PWM4
DTC1 11
SUB
REFERENCE
VREF 12
VG
SWEN 13
VCPU
9 4 2 2 9 6 5 1 BANDGAP 3
LOW VCPU
REFERENCE
RSTB 14 DETECT
15
CKOUT OSC2
STEP-UP
DC-DC
CONVERTER
SYNC 16
SYSTEM
CONTROL
17 REGULATOR
PCB
CHGON 18
x a o
. i
– 30 –
http://www.xiaoyu163.com
1 5
0
IC501 BA6386K
RF- RFO RFI VCC
24 23 22 21
36 INM3
–
35 RF3 +
34
DCIN
C 25
33 CHGSW
–
32 BATM B 26
+
31 CHGOUT
D 27
30 VIN
29 VOUT2 A 28
HOLD BLOCK
28 NC
VG
27 VOUTB1
FBIAS 29
26 VOUT1
+
VG
–
VC 30
25 UPCKB1
24 UPCK1
Q Q
3 7
31
FE
23 VG
FOCUS BIAS
22
VDO
32
21 SW EI
20
VCPU 2 3
1
GND
E F
19 GND
u 1 6 3
y
http://www.xiaoyu163.com
2 4
8 9
IC502 BU9325BKS
PLH BLT RAGC ASY
20 19 18 17
80
AVDD 1
ASY 2
DET BLOCK
PS PL BL BS
EYE 3
16 EFM
PCI 4
5
PCO
15 MIRR TEST1 6
7
VC
+
–
ADPFI 8
ADPFD 9
AGND 10
14 DEFECT
RVCO 11
+ FOK 12
–
FEIN 13
FFCAPA
14
OFN 15
13 FEO
TEIN 16
12 FOK
CONTROL
ATS 17
LOOP ON
TZC 18
FOCUS RAMP
11 FON
SWITCH OSC
19
TCAPA
+ TEST2 20
10 TEO
–
6 3 1 5 1 5 0 8
+
–
21
SCRATCH
9 DFR
CONTROL
4 5 6 7 8
SROCH
CAGC CAPC LD PD
IC601 SM5902AF
33 32 31 30 29 28 27
NRAS 34
A9 35
A8 36
A7 37
A6 38
A5 39
DRAM 1/F
A4 40
A0 41
A1 42
A2 43
A3 44
m
c o
.
1
– 31 –
2
9 8 9 9
79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
OFFSET 60 C1FX
TIMING ERROR
INTERPOLATION
ADJO
GENERATOR CORECTION
59 C2FX
58 C3FX
57 C4FX
EFM
56
55
16K SRAM
WINDOW
54
PLL
53
53
TRACK 50
JUMP
49
48
47 GAINUP
CK176
46
FOCUS
FILTER
45 BUSY
TRACKING
44 RW
MICRO
FILTER
COMPUTER 43 DOUT
INTERFACE
42 DIN
FOCUS
41 MCK
9 2 4 9 8 2 9 9
SLED CLV SERVO SUB CODE SUB CODE
38 39
22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 40
26 25 24 23
22
VDD1
21 ZSENSE
20 NRESET
MICRO
GENERAL
COMPUTER
PORT 19 YBLKCK
INPUT
1/F
18 YFCLK
CONTROL 1
17 YFLAG
COMPRESSION
MODE
16 ZSRDATA
DECODER
OUTPUT
ATTENUATOR 15 ZLRCK
THROUGH
1/F
MODE 14 ZSCK
INPUT 13 YSCK
INPUT
ENCODER
BUFFER 1/F 12 YLRCK
INPUT
CONTROL 2
2 3 4 5 6 7 8 9 10 11
– 32 –