Sony WX-4500X Service Manual ▷ View online
41
WX-4500X
• IC Block Diagrams
IC101 MN6627481RPMFA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
21
22
23 24 25
26
27 28 29 30 31
32 33 34
35 36 37 38 39
40
80
79
78
77
76
75
74
73
72
71
70
69 68 67 66 65 64
63 62 61
INTERPOLATION,
SOFT MUTING,
DIGITAL ATTENUATOR
MICRO
COMPUTER
INTERFACE
SERVO
TIMING
GENERATOR
8 TIMES OVER
SAMPLING,
DIGITAL FILTER
OUTPUT PORT
CLV SERVO
SERVO CPU
INPUT PORT
DIGITAL AUDIO
INTERFACE
DIGITAL
DEEMPHASIS
1BIT D/A CONVERTER,
PWM LOGIC
PWM
(R)
VDD
VDD
PWM
(L)
DSL,
PLL VCO
SUBCODE
BUFFER
A/D
CONVERTER
D/A
CONVERTER
16K S-RAM
CIRC ERROR
CORRECTION,
DEINTERLEAVE
VCO
TIMING GENERATOR,
PITCH CONTROL
EFM DEMODULATION,
SYNC INTERPOLATION,
SUBCODE
DEMODULATION
CD-TEXT
BUFFER
+ –
+ –
BCLK
LRCK
DATA
DVDD
DVSS
TX
MCLK
MDATA
MLD
SENSE
FLOCK
TLOCK
BLKCK
SQCK/GIO0
SUBQ
DMUTE
STAT
RST
SMCK
PMCK
/PLAY
/PLAY
TRV
TVD
PC
ECM
ECS
KICK
TRD
FOD
VREF
FBAL
TBAL
FE
TE
RFENV
VDET
OFT
TRCRS
RFDET
BDO
LDON
VDD
X2
16M
VSS
SBCK
SUBC
VCOF2
PCK /DSLB
EFM /CK384
AVSS2
AVDD2
VCOF
PLLF
DSLF
DRF
IREF
ARF
WVEL
TOFS
PLLF2
SSEL
MSEL
PSEL
CSEL
RSEL/GIO3
OUTR
AVSS1
OUTL
AVDD1
TEST
IOSEL
RESY/FLAG6
DEMPH
CRC
CLVS
FLAG
IPFLAG
GIO2 /FCLK
GIO1 /CLDCK
BYTCK /TRVSTP
42
WX-4500X
IC102 AN22000A-EA
17
VREF
18
VDET
19
TEBPF
26
TBAL
25
FBAL
24
LDON
27
PDE
28
PDF
29
D
30
B
31
C
32
A
VDET
BCA
GCA
AMP
BCA
GCA
AMP
SUBT
BCA
GCA
AMP
BCA
GCA
AMP
SUBT
23
FEO
22
FEN
21
13
TEN
20
TEO
OFTR
14
15
16
11
BDO
12
9
3TENV
10
4
RF EQ
5
2
3
1
7
AGC
8
6
NRFDET
VCC
VCC
GND
BDO
ENV
CEA
CEA
ARF
CAGC
CAGC
RFI
RFO
VCC
LD
PD
RFN
CBDO
NRFDET
OFTR
COFTR
+
–
+
–
+
–
REV
FWD
OUT B
OUT A
+
–
+
–
+
–
+
–
+
–
+
–
MUTE
+
–
+
–
+
–
+
–
+
–
+
–
+
–
LEVEL
SHIFT
LEVEL
SHIFT
–
+
LEVEL
SHIFT
–
+
LEVEL
SHIFT
–
+
–
+
VCC
LOADING DRIVER
24
23
22
21
20
19
18
17
16
15
4
5
6
7
8
9
10
11
12
13
14
2
1
3
27
28
26
25
FIN
TIN+
TIN
–
TOUT
FIN+
FIN
–
FOUT
MUTE
BIAS
GND
F–
F+
T
–
T+
RIN
SPIN+
SPIN
–
SPOUT
SLIN+
SLIN
–
SLOUT
VCC
VOL
–
VOL+
SLED
–
SLED+
SPDL
–
SPDL+
IC201 BA5984FP-E2
43
WX-4500X
33
34
35
36
37
38
39
40
41
42
43
44
1 2 3 4 5
6 7 8
9
10
11
28 27
30 29
32 31
SOFT STEP
FADER
SOFT STEP
FADER
SOFT STEP
FADER
SUB
WOOFER
FILTER
MONO
FADER
MIXER
OUTPUT SELECTOR
HIGH PASS
SOFT STEP
VOLUME
7BAND
EQUALIZER
SOFT MUTE
BEEP
PAUSE
PLL
PIL, DET
LOUDNESS
SPECTRUM
ANALIZER
IN GAIN
+ AUTO
ZERO
MAIN SOURCE
SELECTOR
MIXING
SELECTOR
II
C-BUS
DIGITAL
CONTROL
DEMODULATOR
+STEREO ADJUST
+STEREO BLEND
PILOT
CANCELLATION
MULTI
PATH
DETECTOR
AM/FM
NOISE
BLANKER
PULSE
FORMER
SUPPLY
25kHz
LP
86kHz
LP
STD
IN GAIN
S & H
HIGH OUT
QUAL.
A/D
12
13
14
15
16
18
19
22
21
20
INPUT MULTIPLEXER
TAPE R
FDR+
FDL
–
FDL+
PAUSE
PHONE
TIM
NAVI
AM/MPX2
AMIF
CMPX
TAPEL
MDL
MDR
CDL
CDR
CREF
AC OUTL
SWACOUT
ACOUTR
ACINR
SWIN
ACINL
MIXINFL
MIXINRL
MIXINRR
MIXINFR
OUTFL
OUTRL
OUTFR
OUTRR
OUTSW
SAOUT
26 25
24
23
AUX1
LEVEL
MP IN
MP OUT
QUAL
17 ATT
GND
SDA
SCL
SACLK
VDD
CREF
IC300 TDA7406T
2
1
3
4
5
REFERENCE
VOLTAGE
VOLTAGE
CTL
VCC
OUT
C
GND
VCC
IC1 BA00ASFP-E2
44
WX-4500X
IC400 CXA2510AQ-T4
IC800 MB3785APFV-G-BND-ER
+
–
–
+
–
+
–
+
–
+ –
1
2
3
4
5
6
7
8 9 10
20
19
18
17
16
15
14
13
12
11
21
22
23
26
27
28
29
30
31
32
33
34
37
38
39
40
24
25
NF2(MTL)
REVL
VREFL
FWDL
35
36
GND
VCT
FWDR
VREF
REVR
NF1(MTL)
EQOUT
EQOUT
VCC
TAPE IN(L)
AUXIN1
AMSLPF
LCH OUT
TCH1
TCL1
G1FB
G2FB
AMSTC
AMS GND
AMS OUT
B/C
NRON
MUTE/TAPE
MTL/NORMAL
AMS/PLY
FWD/REV
AMS SW
TCL2
TCH2
RCH OUT
DIREF
AUXIN2
TAPE IN(R)
EQ OUT
EQ OUT
GND
F2
120
µ
/
70
µ
X1
X1
VCT
+
F1
120
µ
/
70
µ
NR
OFF/B
F3
LPF
VCC
DETECT
MS ON/
OFF
NR
MODE
FWD/RVS
TAPE EQ
TAPE/AUX
NR BIAS
NR
MS
MODE
OFF/B
T2
T1
CB 4
VE 4
OUT 3
VE 3
VE 2
OUT 2
OUT 1
VE 1
GND
V
CC
2
OUT 4
CB 1
40
42
43
44
48
3
37
38
39
41
RE
D
RE
C
45
46
47
RE
B
RE
A
36 35 34 33 32
31 30
29
28 27
26 25
CA 4
CB 3
CA 3
DTC 4
FB 4
–IN 4 (E)
+IN 4 (E)
–IN 3 (E)
+IN 3 (E)
DTC 3
FB 3
–IN 4 (C)
D
C
24
23
4
5
2
1
SAW
OSC
CT
RT
RT
XTAL
XTAL
–IN 2 (C)
V
CC
1
VOLTAGE
REFERENCE
+2.5V
22
21
20
–IN 3 (C)
SCP
CTL 3
CTL 2
CTL 1
VREF
CT
RT
OSCO
RT
OSCO
OSCI
19
18
17
16
15
14
13
B
A
6
7
8
9 10
11 12
–IN 1 (C)
CA 2
DTC 1
FB 1
DTC 2
FB 2
–IN 2 (E)
+IN 2 (E)
–IN 1 (E)
+IN 1 (E)
CB 2
CA 1
A
B
C
D
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