Sony HCD-EX660Z / HCD-EX880Z / HCD-EX990Z / MHC-EX660 / MHC-EX880 / MHC-EX990 Service Manual ▷ View online
HCD-EX660Z/EX880Z/EX990Z
45
• IC Block Diagrams
IC101 LC786950T-US-H (BD76 Board (1/2))
C2F (LRSY)
60
FSEQ (DATACK)
59
DEFECT (DATA)
58
TEST1
57
AD_DATA (STDATA)
56
AD_BCK (STCK)
55
AD_LRCK (STREQ)
54
TEST0
53
CONT0
52
CONT1
51
CONT2
50
INTB1
49
INTB0
48
RESB
47
DO
46
DI
45
CL
44
CE
43
DVSS
42
DVDD
41
FDO
22
AV
D
D
21
TDO
23
SLDO
24
SPDO
25
VVSS1
26
PDOUT1
27
PDOUT0
28
PCKIST
29
VVDD1
30
CONT5 (M-MUTE)
31
LIMIT
-SW (CONT3)
32
STREQ (DEFECT)
33
STCK (FSEQ)
34
STDA
TA
(C2F)
35
DVDD
36
DVSS
37
DVDD15
38
VVDD3
39
VVSS3
40
SLCO
80
LR
VSS
79
RCHO
78
LRREF
77
LCHO
76
LR
VDD
75
XVDD
74
XIN
73
XOUT
72
XVSS
71
CONT4
70
DOUT
69
DVDD
68
DVSS
67
DVDD15
66
PCMREQ
65
PCMDA
TA
64
PCMBCK
63
PCMLRSY
62
DVDD
61
EFMIN 1
RFOUT 2
LPF 3
PHLPF 4
AIN 5
CIN 6
BIN 7
DIN 8
SLCISET 9
RFMON 10
VREF 11
JITTC 12
EIN 13
FIN 14
PCNCNT 15
TE 16
TEIN 17
LDD 18
LDS 19
AVSS 20
LPF
CLOCK
GENERATOR
8FS DIGITAL FILTER/
1BIT DAC
SLICE
LEVEL
CONTROL
RF
SIGNAL
PROCESSOR
MONITOR
INTERPOLATION MUTE
ERROR CORRECTION
SERVO
CONTROL
CD PLL
AUDIO CONTROL
MUTE/DE-EMPHASIS/
ATTENUATION CONTROL/
BASS/TREBLE/
HFC FILTER
SYNCHRONIZATION
DETECTION
EFM
DEMODULATION
MP3/PCM OUTPUT CONTROL
STREAM CONTROL/AUDIO INPUT
MEMORY I/F
AUDIO OUTPUT
CONTROL
JITTER
APC
D/A
A/D
VREF
TES, HFL,
DEFECT
PORT CONTROL
DOUT CONTROL
SUBCODE
DECODER
DECODER
TEXT
DECODER
ROM
DECODER
SRC
MP3, WMA, AAC
DECODER
MEMORY
1M BIT
MCU
I/F
PLL3
MP3
ENCODER
HCD-EX660Z/EX880Z/EX990Z
46
IC301 BA5826HFP-E2 (BD76 Board (1/2))
IC100 NJM3414AV (TE2) (PANEL Board (2/3))
1
2
3
4
5
6
7
29
9
10
11
12
13
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
THERMAL
SHUT-DOWN
REGULATOR
REGULATOR
BIAS TRAP
LEVEL
SHIFT
MUTE
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
30 GND
IN4
IN4’
BIAS
VCC
VCC
IN3’
IN3
VO3+
VO3–
VO4–
VO4+
RESETt
OPIN
VO1–
REGB
VO1+
IN1
RESET
REGOUT
MUTE
GND
8
GND
IN2’
IN2
VO2+
VO2–
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULA
TOR
VCC
VCC
IC201 BA6956AN (PANEL Board (3/3))
IC202 MM1923DTRE (PANEL Board (3/3))
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
VIN 2
CS 5
VO 4
GND 3
CONT 1
BIAS
REFERENCE
SOFT
START
CURRENT
LIMITER
THERMAL
SHUT DOWN
AMP
VCC
GND
+
–
+
–
–
8
7
6
5
B OUTPUT
B- INPUT
B+ INPUT
1
2
3
4
A OUTPUT
A- INPUT
A+ INPUT
V-
V+
HCD-EX660Z/EX880Z/EX990Z
47
IC205 PST3629NR (PANEL Board (2/3))
IC204 BD3491FS-SE2 (PANEL Board (2/3))
VDD 2
OUT 1
GND 3
+
–
VREF
CD
5
NC
4
FIL
30
GND
29
A2
31
B2
2
B1
1
TC-R
3
SEL-R
12
SEL-L
11
TC-L
4
TUNER-R
5
TUNER-L
6
CD/USB-R
7
CD/USB-L
8
PC-IN-R
9
PC-IN-L
10
A1
32
SCLK
27
VCC
26
SDA
TA
28
SB-R
24
SURR
23
OUT
-R
25
OUT
-L
21
BASSB-R
20
SB-L
22
BASSA-R
19
BASSB-L
17
BASSA-L
18
SURROUND
INPUT GAIN
I2C BUS LOGIC
VCC
VCC/2
INPUT SELECTOR
TREBLE/BASS
VOLUME
VOLUME
TRE-L
15
TRE-R
16
VOL-R
13
VOL-L
14
HCD-EX660Z/EX880Z/EX990Z
48
GND
1
VDDRF
VDD
VDD
FM Antenna
FM LNA
Filter
AGC
AMP
ADC
Digital
Mixer
FM
Demodulator
AM
Demodulator
Digital
AGC
RDS
Decoder
Stereo
Decoder
DAC
LOUT
ROUT
LRCK
BCLK
IISD
IIS Controller
IIS
Generator
Station
Detector
Image
Control
RSSI
Calculation
VDD
SPI
12C
HOST Controller
Serial Interface / Registers
Digital Filters
Digital Signal Process
ADC
AGC
AMP
AMP
AM LNA
LOSC
XOSC
Clock
Generator
AM
TUNE
AM Antenna
2
CP2
3
FRF1
4
GNDRF
5
ARF1
ARF2
IIC / R DSI
LA
CK
VDD
GND
DA
IISD
IISD
LRCK / LOUT
Lch
Rch
BCLK / ROUT
BCLK
SW
VDD
X2
X1
CP1
SW
Amplifier
LRCK
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC101 RZ5B801-0002E2 (TUNER1 Board)
IC703 SI-8008TM-TLS (AMP-SMPS Board (1/3)) (EX660Z)
IC702 SI-8008TM-TLS (AMP-SMPS Board (1/3)) (EX880Z)
IC702 SI-8008TM-TLS (AMP-SMPS PC Board (1/3)) (EX990Z)
IC702 SI-8008TM-TLS (AMP-SMPS Board (1/3)) (EX880Z)
IC702 SI-8008TM-TLS (AMP-SMPS PC Board (1/3)) (EX990Z)
1
2
5
4
LATCH
&
DRIVER
ERROR AMP
COMPARATOR
OSCILLATOR
RESET
OVERCURRENT
PROTECTION
THERMAL
PROTECTION
REFERENCE
VOLTAGE
3
ON/OFF
SOFT
START
PREG
+
+
+
–
–
IN
SW
6
GND
SS
ADJ
GND
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