Sony HCD-DX90 / MHC-DX90 Service Manual ▷ View online
41
HCD-DX90
Pin No.
1
2
3
4
5
6
7
8
9-10
11
12-14
15
16
17-19
20
21-25
26
27
28
29
30
31
32
33-49
50
51
52-85
86
87
88
89
90
91
92
93-94
95
96
97
98
99
100
I/O
I
I
I
I
O
O
O
O
O
O
O
O
O
I
I
I
I
O
O
—
—
—
—
O
O
—
O
I
—
—
I
—
O
I
I
I
O
O
O
I
I
Description
VOLUME A signal input.
VOLUME B signal input.
Head phone detect signal input. H=ON, L=OFF
Not used.
TUNER LED driver output.(high active)
CD LED driver output.(high active)
TAPE A/B LED driver output.(high active)
MD/VIDEO LED driver output.(high active)
Not used.
GROOVE LED driver output.(high active)
Not used.
REC/PAUSE LED driver output.(high active)
SURROUND LED driver output.(high active)
KEY input. (AD)
BPF input. (AD)
BPF input. (AD)
BPF input. (AD)
TIMER SEL LED driver output.
STANDBY LED output.
Ground.
Ground.
Analog reference voltage.
Power supply (+5V)
FL grid signal output.
FL segment signal output.
Power supply (+5V)
FL segment signal output.
Not used.
–30V driving power for FL.
Power supply (+5V)
12.5MHz (Xin)
Ground.
12.5MHz (Xout)
RESET (low active)
Not used.
Connected to ground.
WAKE UP signal output for master controller. (PULL UP)
IIC SDA
IIC SCL
Not used.
Remote commander input. (input capture)
Pin Name
VOLUME A
VOLUME B
HEADPHONE
N.C
TUNER
CD
TAPE A/B
MD/VIDEO
N.C
GROOVE
N.C
REC/PAUSE
SURROUND
KEY0-2
Super Low Freq (BPF 0)
BPF1-5
ALL BAND
TIMER
STANDBY
VSS
VASS
AVREF
VDD
G17-1
P1
VDD VFT
P2-35
N.C
VKK
VDD
Xin
VSS
Xout
RESET
N.C
TEST
WAKE UP
I2C data
I2C clk
N.C
SIRCS
• PANEL BOARD IC601 TMP88CP77F-1A22 (DISPLAY CONTROL)
42
HCD-DX90
7-20. IC BLOCK DIAGRAMS
IC101 CXD2587Q (BD BOARD)
TE
RFDC
CE
IGEN
AVSS0
ADIO
AVDD0
CLTV
FILO
AVSS3
VSS
AVDD3
DOUT
VDD
PCO
FILI
ASYO
ASYI
RFAC
BIAS
SSTP
DFCT
MIRR
MDP
LOCK
FOK
SFDR
VSS
TEST
FRDR
FE
VC
VC
COUT
SE
XTSL
TES1
SRDR
TFDR
FFDR
TRDR
TRDR
2
1
70
71
68
69
66
67
64
65
62
61
63
73
74
72
75
76
77
78
78
79
80
4
XRST
3
SQCK
SQSO
5
9
8
7
6
56
60
53
54
55
59
57
58
51
52
48
49
50
47
44
45
46
43
41
42
XLAT
CLOK
SENS
SYSM
DATA
XUGF
XPCK
GFS
C2PO
WFCK
10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
32
33
30
31
36
37
34
35
39
40
38
28
27
29
SPOA
ATSK
SCLK
VDD
SCOR
SPOB
XLON
XTAI
XVDD
EMPH
AVDD1
AOUT1
AIN1
XTAO
XVSS
XVSS
AIN2
AOUT2
AVDD2
RMUT
LOUT2
LOUT1
BCK
LRCK
PCMD
LMUT
AVSS1
AVSS2
CPU
INTERFACE
SERVO AUTO
SEQUENCER
SERIAL IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd ORDER
NOISE SHAPER
PWM
PWM
EFM
DEMODULATOR
TIMING
LOGIC
DIGITAL
OUT
D/A
INTERFACE
DIGITAL
PLL
ASYMMETRY
CORRECTION
CORRECTION
CLOCK
GENERATOR
MIRR, DFCT,
FOK
DETECTOR
DIGITAL
CLV
SUBCODE
PROCESSOR
SERVO
INTERFACE
SERVO DSP
FOCUS
SERVO
SERVO
TRACKING
SERVO
SLED
SERVO
PWM GENERATOR
FOCUS PWM
GENERATOR
TRACKING
PWM GENERATOR
SLED PWM
GENERATOR
16K
RAM
ERROR
CORRECTOR
INTERNAL BUS
A/D
CONVERTER
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
IC102 BA5974FP (BD BOARD)
LEVEL SHIFT
INTERFACE
INTERFACE
INTERFACE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
20
21
22
23
24
25
26
27
28
19
18
17
16
15
F
R
R
F
F
R
R
F
R
R
F
F
MUTE
THERMAL
SHUTDOWN
VREFOUT
VREFIN
POWVCC
CH1FIN
CH1RIN
CH2FIN
CH2RIN
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
CAP
AIN1
CAP
AIN2
GND
PRFVCC
MUTE
POWVCC
CH4SIN'
CH4SIN
CH4BIN
CH3FIN
CH3RIN
CH3OUTR
CH3OUTF
CH4OUTR
CH4OUTF
CAP
A
IN3
GND
43
HCD-DX90
IC103 CXA2568M (BD BOARD)
11
12
10
VC
VC
VC
VC
VC
VC
VC
VCC
VCC
RF SUMMING AMP RF_EQ_AMP
ERROR AMP
FOCUS
FOCUS
TRACKING
ERROR AMP
ERROR AMP
VC BUFFER
VCC
VCC
VC
VC
VC
VC
VEE
VEE
VEE
VEE
VEE
VREF
13
14
15
6
5
1
2
3
4
7
8
9
16
19
20
21
22
23
24
18
17
HOLD
LD
PD
A
B
C
D
VEE
F
E
VC
AGCVTH
AGCCONT
VCC
LC/PD
LD_ON
LD_ON
HOLD_SW
RF_BOT
RFTC
RF_1
RFO
RFO
RFE
FE
TE
(50%/30%
OFF)
OFF)
APC PD AMP
APC LD AMP
IC602 BA3830F (PANEL BOARD)
2
3
14
1
f04
13 f05
12 f06
11 REC
LEVEL
10 VCC
15 f03
5
REC
NF
6
REC
IN
7
RESET
C
8
BIAS
C
9
GND1
4
16 f02
17 f01
18 RESET
R02
P01
LINE
NF
LINE
IN
REFFERENCE
CURRENT
BPF
DET
BPF
DET
BPF
DET
BPF
DET
DET
RESET
Bias
REFFERENCE
CURRENT
DET
DET
BPF
BPF
IC701 BA6956AN (DRIVER BOARD)
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
O
UT2
O
UT1
RNF
VM
VCC
FIN
GND
RIN
44
HCD-DX90
IC302
µ
PC1330H (MAIN BOARD)
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1
CONT
GND
VCC
SW P2
GND
SW R2
IC651 LC72130 (MAIN BOARD)
1
2
3
4
5
6
7
8
XIN
B03
CE
IFIN
AOUT
2
AIN1
AIN2
D1
CL
B04
D0
B01
I01
B02
XOUT
PD1
VSS
PD2
FMIN
AMIN
AOUT1
VDD
I02
B05
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PHASE DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16.1/17 4bits
SWALLOW COUNTER
1/16.1/17 4bits
POWER
ON
RESET
1/2
C B
I / F
I / F
REFERENCE
DIVIDER
REFERENCE
DIVIDER
C B
I / F
I / F
2
DATA SHIFT REGISTER
LATCH
IC601 BA1450 (MAIN BOARD)
1
2
3
4
5
6
7
8
9
10
11
12
16
17
18
19
20
21
22
23
24
15
14
13
AM
OSC
AM
MIX
AM IF
FM
IF
FM
DET
AM
DET
SD
DET
AGC
LED
DRIVER
COMP
SD
SW
VCO
PD
1/2
DECODER
VREG
1/2
FM IN
FM DET
TUNED
STEREO
IF OUT
R OUT
L OUT
AM/FM
FM/AM DET OUT
AM MPX IN
FM MPX IN
IN REQ MUTE
FM SD ADJ
VCC
GND
AM OSC OUT
AM OSC
VCO STOP
AM RF IN
AM IF IN
AM AGC
AM MIX OUT
FM BAND WIDTH
V . REG
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