Sony MZ-R55 Service Manual page 74
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Also See for MZ-R55:
- Operating instructions manual (223 pages) ,
- User manual (21 pages) ,
- Specification sheet (2 pages)
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• 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
- Quick Links:
- Self-Diagnostic
- Disassembly
- Mechanism Deck Section
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