Sony MZ-R37 Service Manual page 30

• 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
IC304 RN5RZ25AA-TR
GND 1 5
CE
CURRENT LIMIT VREF
VDD 2
VOUT 3 4 NC
– 44 –
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
IC971 XC6383D331MR
IC802 S-8110ANP-DSB-T2
CHIP ENABLE
CE 1
1 VDD
VDD
TEMPERATURE 2
VOUT VOUT
2
SENSOR
3 NC
4
VSS
NC 3
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
IC972 XC61AN1102MR
3 VIN
BUFFER
5 EXT
VOUT 1
4 VSS
VREF
VREF
2STEP PFM VSS 2
CONTROL
OSC 100/180kHz
– 45 –
IC602 MN41X4400TT-10TIL
DQ0 1
DQ1 2
WE 3
WRITE
CLOCK
CLOCK
RAS 4
GENERATOR
GENERATOR
CBR REFRESH
COUNTER
DATA
INPUT
BUFFER
MEMORY
ROW WORDS
CELLS
DECODERS DRIVERS
A9 5
A0 6
ADDRESS
SENSE I/O
A1 7 BUFFER
AMPS SELECTION
A2 8
A3 9
DATA
COLUMN
OUTPUT
DECODERS
BUFFER
VDD 10
IC701 MPC17A58DTBEL
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20
VG VC
CONTROL CONTROL CONTROL
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 9 10
– 46 –
20 VSS
19
DQ3
18
DQ2
17
CAS
16 OE
15 A8
14 A7
13 A6
12 A5
11 A4
19
CONTROL CONTROL
PRE-DRIVER PRE-DRIVER
H BLIDGE H BLIDGE
DRIVER DRIVER
CH2 CH1
11 12 13 14 15 16 17 18