Sony HCD-VX880AV Service Manual ▷ View online
HCD-VX880AV
21
21
6-2. BLOCK DIAGRAMS
– CD SECTION –
E
F
A
B
C
D
DRIVE
Q101
LD
RF EQ
AMP
SUMMING
AMP
RF
ERROR
AMP
FOCUS
ERROR
AMP
TRACKING
APC LD
AMP
VC
BUFFER
VC
REF
RF AMP
IC103
DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
IC101
IC421
LASER
DIODE
DETECTOR
OPTICAL PICK-UP BLOCK
(KSS-213D/Q-NP)
A
C
D
B
E
F
LD
POWER
PD
LD
PD
LD
A
C
D
B
E
F
TE
FE
RFD
RFI
ASYMMETRY
CORRECTION
AUTO
SEQUENCER
SERVO
INTEG-
RATOR
DIGITAL
PLL
EFM
DEMODULATOR
REGISTER
SUB CODE
PROCESSOR
ERROR
CORRECTOR
DATA BUS
32K
RAM
D/A
INTERFACE
DIGITAL
CD DIGITAL
OUT
OPTICAL
OUT
DOUT
SERVO
INTERFACE
DIGITAL
CLV
LD ON
OP AMP
ANALOG SW
A/D
CONVERTER
PWM
GENERATOR
TRACKING
PWM
GENERATOR
FOCUS
PWM
GENERATOR
SLED
PWM
GENERATOR
VC
TRACKING
SERVO
FOCUS
SERVO
SLED
SERVO
SERVO DSP
TFDR
TRDR
FFDR
FRDR
SFDR
SRDR
MDP
DETECTOR
MIRR
DFCT
FOK
D OUT
PCM-D
S STOP
RFDC
FE
TE
CE
VC
SE
CPU
INTERFACE
SENS
DATA
XLAT
CLOK
CLOCK
GENERATOR
XTAI
XTSL
M
M
TRACKING
COIL
FOCUS
COIL
SLED
MOTOR
M102
SPINDLE
MOTOR
M101
T+
T
F+
F
SD+
SD
SP+
SP
FOCUS/TRACKING COIL DRIVE
SPINDLE/SLED MOTOR DRIVE
IC102
VC
TFDR
TRDR
FFDR
FRDR
SFDR
SRDR
XRST
MUTE
09
S101
LIMIT SW
SQCK
A+5V
IC104
XRST
ADATA
BCLK
LRCK
MCK
SENS
CTRL1
DATA
SCLK
SCLK
XLT
CLK
SCOR
SQSO
SCOR
SUBQ
SQCK
LPH
XRST
LD ON
LRCK
BCLK
C2PO
MUTE
MUTE
C2PO
D+5V
MD2
RF AC
ASYI
ASYO
CONTROL SIGNAL
BLOCK
SERVO
BLOCK
VCC
VC
VIDEO
SECTION
• SIGNAL PATH
: CD
: VIDEO
(Page 22)
MAIN
SECTION
M
TABLE
SENSOR
IC702
T. SENS
OPEN
S801
OPEN/CLOSE
DET
OUT1
IN1
IN2
OUT2
M
M701
TURN
TURN
MOTOR
TBL.L
TBL.R
TURN
MOTOR DRIVER
IC701
DISC
SENSOR
IC703
ROTARY
ENCODER
S811
Q701
DISC SENS
ENC 1
ENC 2
ENC 3
ENC 2
ENC 3
M801
SLIDE
MOTOR
OUT2
OUT1
RIN
FIN
SLIDE
MOTOR DRIVER
IC801
LOAD IN
LOAD OUT
A
C
(XTAL 33.8MHz)
4
2
5
7
8
6
11
10
3
4
23
24
27
25
20
22
21
12
13
17
14
16
50
48
49
43
38
41
39
40
42
32
31
34
33
30
29
25
64
63
67
66
14
65
71
3
7
69
15
6
5
4
77
76
8
26
6
3
82
10
2
2
7
7
4
1
12
11
14
13
17
18
15
16
3
2
6
5
INTEG-
RATOR
(Page 24)
HCD-VX880AV
22
22
– VIDEO SECTION –
PROGRAM ROM
IC508
D/A
CONVERTER
INPUT
INTERFACE
CIRCUIT
OSC
BUFFER
IC510
LOW-PASS
FILER
IC515
IC515
LOW-PASS
FILER
MODE
CONTROL
TIMING CONTROL/
CLOCK GENERATOR
VIDEO FREQUENCY
(27MHz)
DIGITAL FILTER,
D/A CONVERTER
IC509
MPEG VIDEO/AUDIO DECODER,
VIDEO SIGNAL PROCESSOR
IC506
CD MECHANISM CONTROLLER
IC505
14
11
VOUTL
VOUTR
R-CH
10
RSTB
17
18
19
20
4
21
9
7
24
1
DATA
BCK
LRCK
CD-ROM
INTERFACE
CIRCUIT
MPEG
SYSTEM
DECODER
MPEG
VIDEO
DECODER
VIDEO
PROCESS
CIRCUIT
CPU INTERFACE
AUDIO
INTERFACE
CIRCUIT
MPEG
AUDIO
DECODER
D-RAM/ROM INTERFACE
CD-DATA
C2PO
A DATA
BCK
LRCK
CD-BCK
CD-LRCK
CD-C2PO
MA0 – MA10
VDATA0 – 7
VD0 – VD7
YUV0 – 7
MD0 – MD15
D0 – D15
D0 – D15
A0 – A18
A0 – A10
A11
384FSO
768FSO
MCKO
X503
27MHz
CT503
MD
XT2
XT1
17 15
16
19
82 86 85
22
20
33
31
24
13
16
161
180
184
182
128
185
167
178
169
166
177
157
158
DA-XCLK
SYS CLK
VCK-IN
DA-DATA
DA-BCK
DA-LRCK
ML
8
MC
LEVEL
SHIFT
IC503
IC503
MCLK 33.8MHz
CD-L
C
Y
DIGITAL
FILTER,
NOISE
SHAPER
CIRCUIT
CIRCUIT
21 – 24, 27 – 32,20
A0 – A10
12 – 5, 27, 26, 23
A11–A17
A11 – A17
25, 4, 28, 29, 3, 2, 30
D0 – D7
O0 – O7
A0 – A10
DQ0 – DQ15
ADDRESS BUS
DATA BUS
D-RAM
IC507
A0 – A10
BA
13 – 15, 17 – 21
2,3,5,6,8,9,11,12,39,
40,42,43,45,46,48,49
54,58,60,64,68,72,74,78,
76,73,70,66,62,59,56,53
142,143,145,148,
150,152,154,155
WE
22
CE
RAS
CAS
18
CS
90
RESET
INT
8830 RESET
CL680 HINT
CLK1
DATA1O
DATA1O
DATA
CLK
DF LATCH
NT/PAL OUT
SD-RAS
SD-CAS
SD-CSO
MWE
MCE
1
2
3
4
J301
S VIDEO OUT
J302
VIDEO OUT
XOUT
XIN
X501
10MHz
13
15
VSYNC
HSYNC
VSYNC
HSYNC
DATA
PCL
37
45
39
22
28
27
51
COUT
YOUT
VOUT
D/A
OSD
TIMING
CONTROL
Y/C
FILTER
3
17
18
16
4
20
19
1
D/A
CLK
ROSD
GOSD
BOSD
V-B
V-G
V-R
21
64 1
57
NTB
27MHz
HSY
VSY
VCLK
2
8
–
,
10
DIGITAL RGB ENCORDER
IC514
D/A CONVERTER
IC511
104,110,112,111,108,105,102,99,96,
100,98,114,116,118,120,121,122,124
• R CH: Same as L ch
• SIGNAL PATH
: CD
: CHROMA
: Y
: VIDEO
• SIGNAL PATH
: CD
: CHROMA
: Y
: VIDEO
SENS
DATA
XLT
CLK
MUTE
CTRL1
SCOR
LD ON
SUBQ
SQCK
XRST
I2C CLK
I2C DATA
SENSE
DSP DATA
DSP LATCH
DSP CLK
DSP MUTE
CTRL1
SCOR
LD ON
SUBQ DATA
SUBQ CLK
DEVICE RESET
XRESET
I2C/RX
I2C/TX
1
3
4
5
10
11
18
28
36
37
12
TEST LED
D502
(SELF DIAGNOSIS)
(SELF DIAGNOSIS)
SYSTEM
SELECT
S501
+5V
NTSC
AUTO
73
NT/PAL
PAL
93
77
29
30
CD
SECTION
(Page 21)
A
CD
SECTION
(Page 21)
A
MAIN
SECTION
(Page 24)
C
MAIN
SECTION
(Page 24)
F
09
MAIN
SECTION
(Page 24)
C
HCD-VX880AV
23
23
– DECK SECTION –
IC611
R CH
HP101
PB HEAD
(DECK A)
(DECK A)
L
R
RV311
PLAYBACK
LEVEL
DECK A
IC601
R CH
L
R
RV301
PLAYBACK
LEVEL
DECK B
3
1
IC602
4
REC/PB
EQOUT
REC BIAS
BIAS OSC
T621, Q621, 622
ERASE HEAD
ERASE BIAS
46
48
B IN
A IN
16
PB-A/B
EQIN
38
36
RV301
REC LEVEL
39
RECOUT
BIAS SW
C
M
70
120
DOLBY
TYPE B
TYPE B
+7.5V
Q623
RIN
44
PB
24
18
20
22
40
25
PB OUT
LM ON/
OFF
BIAS ON/OFF
RM ON/OFF
ALC ON/OFF
PB L
REC L
PB A/B
NORM/HIGH
REC/PB/PASS
BIAS ON/OFF
RM ON/OFF
15
ALC ON/OFF
RELAY
09
LM ON/OFF
NORM/
HIGH
PAS
DOL
P
R
REC/PB HEAD
(DECK B)
X
DOLBY NR
IC301
IC301
DOLBY NR
HRPE101
RV341
REC
BIAS
32 33
23
NR ON/
OFF
NR ON/OFF
17
S1004
A CrO
2
S1008
B CrO
2
19
A 120/70
B 120/70
M
CAP MOTOR
CONTROL
Q336-343
CONTROL
Q336-343
SPEED
CONTROL
Q1001
SWITCH
Q335
RV1001
HIGH
SPEED
RV1002
NORMAL
SPEED
M1
CAPSTAN
MOTOR
CAPM CNT2
CAP M H / L
CAPM CNT1
REEL
DETECT
IC1001
A SHUT
B SHUT
REEL
DETECT
IC1002
S1001 (A PLAY)
+5V
S1002 (B PLAY)
A PLAY
B PLAY
A HALF
B HALF/REC A/REC B
S1003
(A HALF)
+5V
+5V
S1005
(REC A)
S1006
(B HALF)
S1009
(REC B)
• R CH : Same as L ch
• SIGNAL PATH
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
• SIGNAL PATH
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
28 27
26
MS
MS OUT
B TRIG
A TRIG
TRIGGER
MOTOR
CONTROL
Q331-334
MOTOR
CONTROL
Q331-334
A DECK/
B DECK
PLUNGER
B DECK
PLUNGER
• PLUNGER SOLENOID is supplied
as the MECHANICAL BLOCK ASSY.
MAIN SECTION
MAIN SECTION
MAIN
SECTION
(Page 24)
B
HCD-VX880AV
24
24
– MAIN SECTION –
FRONT L-OUT
SPE SIG
I
2
C DATA
I
2
C CLK
IIC DATA
IIC CLK
RESET
FRONT L IN
FRONT RELAY
CD POWER
STK MUTE
34
100
90
89
88
87
86
84
83
D503
RESET
SWITCH
Q501
RESET
IC502
+5.6V (STBY)
13
15
X613
16MHz
12
22
10
11
09
5
1
CD POWER
STK MUTE
48
54
50
50
51
52
49
ST DIN
STEREO
TUNED
ST CE
ST CLK
ST MUTE
ST DOUT
TC RELAY
TC MUTE
A PLAY SW
B PLAY SW
B PLAY SW
65
19
61
57
56
59
TBL L
TBL R
SCOR
T SENS
HOLD
SENS
XRST
CD DATA
CD DATA
DISC SENS
XLT
7
6
DBFB H/L
LINE MUTE
30
29
IIC DATA
IIC CLK
RESET
AC CUT
(CHECK)
X-OUT
X-IN
XC-IN
XC-OUT
X601
32.768KHz
IC501
MASTER CONTROL
3
F RELAY
WAKE UP
ST-BY LED/CLOCK OUT
82
81
80
79
76
73
73
72
PB A/B
R/PB PASS
BIAS
REC MUTE
NR ON/OFF
A SHUT
B SHUT
B HALF
A HALF
EQ H//N
CAP M H/L
CAPM CNT1
CAPM CNT2
CAPM CNT1
CAPM CNT2
A TRG
B TRG
AMS IN
AMS IN
493-LAT
493-DATA
493-CLK
RELAY
ST L
ST-DOUT
ST-CLK
ST-DIN
STEREO
TUNED
ST CE
ST-MUTE
L CH
TBL. L
TBL. R
SCOR
TRAY SENS
HOLD
SENS
X RST
CD DATA
DISC SENS
X LAT
B
DECK
SECTION
C
CD
SECTION
A SHUT
PB L
REC L
BIAS ON/OFF
B SHUT
RM ON/OFF
LM ON/OFF
REC/PB PASS
B HALF/REC A/REC B
A HALF
A PLAY
B PLAY
PB A / B
NORM/HIGH
NR ON/OFF
CAP M H/L
A TRG
B TRG
B TRG
MS OUT
38
3
1
2
(Page 23)
(Page 21)
POWER ON/OFF
2
POWER
D
POWER
SECTION
53
55
• R CH: Same as L ch
• SIGNAL PATH
: FM
: CD
: PB
: REC
: VIDEO/MD
• SIGNAL PATH
: FM
: CD
: PB
: REC
: VIDEO/MD
MD IN L
VIDEO/IN
(AUDIO)
L
MD/VIDEO
(AUDIO)
OUT L
71
70
69
68
67
66
OUT OPEN
ENC1
ENC2/DISC-LED
ENC3/UP-SW
LOAD IN
LOAD OUT
OUT-OPEN
ENC-1
ENC-2
ENC-3
ENC-3
LD IN
LD OUT
J101
J102
1
(Page 25)
E
DISPLAY
SECTION
(Page 26)
F
VIDEO
SECTION
(Page 22)
68
69
66
67
65
1 2 3
2
2
9
30
42
58
57
41
36
38 39
72
MUTE
Q114
MIC
LEVEL
MIC 1
RV712
J711
MIC 2
J712
63
47
78
77
75
74
85
18
39
DBFB
SWITCH
Q112,113
SWITCH
Q112,113
33 32
R-CH
EQ
AMP
SELECT
SWITCH
SWITCH
MICON
INTERFACE
INTERFACE
IC712(1/2)
IC712(2/2)
IC101(2/2)
VOLUME
IC101(1/2)
EQ
IC711
ECHO PROCESSOR
V
TC
TU
CD
MD
Lch
Lch
37
44
BASS FRQ.
Q111
MUTE SW
Q503
MUTE SW
Q502
TIMER LED
26
RY-SW
36
PROTECTOR
27
SPEAKER PROTECT IN
RY-SW
1
3
WAKE UP
STANDBY LED
TIMER LED
91
ALC
ALC ON/OFF
FM/AM TUNER
TUNER UNIT IS
SUPPLED AS THE
ASSEMBLED
BLOCK
TUNER UNIT IS
SUPPLED AS THE
ASSEMBLED
BLOCK
PL-DATA
PL-LAT
PL-LAT
25
PL-CLK
24
23
93
HP-MUTE
HP MUTE
L+R
7
6
LPF 1 IN
LPF 2 OUT
64
DVD
60 KEY IN2
79
77
74
15
11
1
76
5
59
DOUT2
16
10
80
9
4
3
IC201
SOUND PROCESSOR
REAR L-IN
CENTER IN
17
SW
FRONT
REAR
SW
CENTER
DVD
TRIM
VOL
TRIM
VOL
TRIM
VOL
MCU INTERFACE
DATA SCK REQ
24
23
22
MUTE
Q191
MUTE
Q281, 282
SUPER
WOOFER
J191
REAR IN
CENTER IN
58
35
60
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