Sony MZ-R55 Service Manual page 74

• IC Block Diagrams
IC301 AK4517-VQ-L
48 47 46 45 44 43 42 41 40 39 38 37
CLOCK
MCLK 1
DIVIDER
LRCK
2
BCLK 3
AUDIO
SDTO 4
I/F
HPF
SDTI 5
CONTROLLER
DIFO 6
DIFI 7 DPGA DBB DAC
TST3 8
DCODE0 9
DCODE1 10 CONTROL
REGISTER
DCODE2 11
I/F
CS(SCK) 12
13 14 15 16 17 18 19 20 21 22 23 24
IC303 AN7535SA-E1
24 23 22 21 20 19 18 17 16 15 14
MUTE VREF
VCC
DET.
VCC VREF
VREF
RIPPLE
1 2 3 4 5 6 7 8 9 10 11
IC601 XC6383E401MR
VLX LIMIT 5 LX
VOUT VREF BUFFER
1
VSS
4
VDD 2 2 STEP PFM CONTROL
OSC 100/180kHz
3
NC
– 46 –
IC501 CXA2523AR
36 IPGAL
I 1
J 2
35 ADCL
ADO 34 VCMC
33 VCMR
32 ADCR
CVB
VC 3
31 IPGAR
30 VRAD
A 4
29 LOUT2
IVR
B 5
28 ROUT2
IVR
27 VRDA
26 OPGAL
25 LOUT1
C 6
IVR
D 7
IVR
E 8
IVR
13
F 9
IVR
GSW
PD 10
APC 11
APCREF 12
12
IC803 S-8110ANP-DSB-T2
IC302 TLV23621PW
V OUT 1
8 VDD
IN–1 2
IN+1 3
TEMPERATURE
VSS 4 7 OUT2
6 IN–2
5
IN+2
48 47 46 45 44 43 42 41 40 39 38 37
USROP
–
+ RF AGC EQ
+
–
USRC
RFA1
DET EQ
BPF3T
RFA2 RFA3
AUX
PEAK3T
– HLPT
1 –1 3T SW
–
P-P
–
2
– –2
OFST 3T WBL
PTGR TEMP
PEAK
–
1
– –2
2
BOTTOM 36 BOTM
–
PBH
–1
GRV
GRVA PBSW
WBL
35 ABCD
34 FE
–
+
– 33 AUX
–
–
AA
– BPFC
ABCDA
32 ADFG
+
31 ADAGC
–
BB
+
+
30 ADIN
–
– FEA
+
–
CC
DET
BPF22
–
– ADIP
WBL 29 ADFM
+
AGC
+ + ATA
–
DD
WBL
–1 TG
28 SE
PTGR
– –2
+
SEA
+
+ EE'
– EE –
27 CSLED
+
–
–1 TG
EFB TESW
26 TE
EBAL –2
TEA
ESW
+
+
– FF
WBL
–
FF'
3T VI CONV 25 WBLADJ
IV
FBAL EQ
AUXSW
BGR
COMMAND
+ –
+ – VREF
SCRI - PARA
DECODE
13 14 15 16 17 18 19 20 21 22 23 24
IC901 NJU7015M
1 VDD V OUT 1
IN–1 2 8 VDD
IN+1 3
4 7 OUT2
VSS
VOUT
2 6 IN–2
SENSOR
5 IN+2
3 NC
4
VSS
– 47 –
IC505 MPC17A58DTBEL
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20
VG VC
VC
VC
CONTROL CONTROL CONTROL
VC VC VC
PRE-DRIVER PRE-DRIVER PRE-DRIVER PRE-DRIVER
STEP HALF
MOTOR BLIDGE
DRIVER DRIVER
H BLIDGE
DRIVER
CH3
1 2 3 4 5 6 7 8
IC509 MN41X17400CTT
CLOCK GENERATOR
VDD 1
DQ0 2 CBR REFRESH
COUNTER
DQ1
3
WE 4
5 ROW WORD MEMORY
RAS ROW
DECODER DRIVER CELL
ADDRESS
NC 5 BUFFER
A10 7
SENSE I/O
A01 8 AMP SELECTOR
A02 9 COLUMN
ADDRESS
A03 10
BUFFER COLUMN
A04 11
DECODER
12
VDD
ON CHIP
VSS
GENERATOR
– 48 –
19
VC
VC
VC
CONTROL CONTROL
VC VC VC
PRE-DRIVER PRE-DRIVER
H BLIDGE H BLIDGE
DRIVER DRIVER
CH2 CH1
9 10 11 12 13 14 15 16 17 18
24 VSS
CLOCK
23 DQ3
GENERATOR
22 DQ2
21 CAS
DATA
INPUT
BUFFER
DATA
OUTPUT 20 OE
BUFFER
19 A10
18 A09
17 A08
16 A07
15 A06
14 A05