Sony HCD-MG510AV User manual

SERVICE MANUAL
Outputs
PHONES (stereo phone jack):
accepts headphones of
8 ohms or more
FRONT SPEAKER: accepts impedance of 8 to
16 ohms
SURROUND SPEAKER REAR:
accepts impedance of 8 to
16 ohms
SURROUND SPEAKER CENTER:
accepts impedance of
8 ohms
SURROUND SPEAKER SUB WOOFER:
accepts impedance of
8 ohms
CD player section
System Compact disc and digital
audio system
Laser Semiconductor laser
(λ= 780 nm)
Emission duration:
continuous
Frequency response 2 Hz – 20 kHz (±0.5 dB)
Wavelength 780 – 790 nm
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
OPTICAL OUT (CD)
(Square optical connector jack, rear panel)
Wavelength 660 nm
Output Level –18 dBm
Tape player section
Recording system 4-track 2-channel stereo
Frequency response 40 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassette
Wow and flutter ±0.15% W.Peak (IEC)
0.1% W.RMS (NAB)
±0.2% W.Peak (DIN)
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
with 8 ohm loads both channels driven, from
120 – 10,000 Hz; rated 75 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
Front speaker:
Continuous RMS power output
75 + 75 watts
(8 ohms at 1 kHz,
10% THD)
Total harmonic distortion less than 0.09%
(8 ohms at 1 kHz,
40 watts)
Center speaker:
Continuous RMS power output
45 watts
(8 ohms at 1 kHz,
10% THD)
Rear speaker:
Continuous RMS power output
45 + 45 watts
(8 ohms at 1 kHz,
10% THD)
Sub woofer:
Continuous RMS power output
45 watts
(8 ohms at 100 Hz,
10% THD
)
Amplifier section Inputs
VIDEO/MD IN (phono jacks):
voltage 250 mV/450 mV,
impedance 47 kilohms
5.1CH:
FRONT (phono jacks): voltage 450 mV,
impedance 47 kilohms
REAR (phono jacks): voltage 450 mV,
impedance 47 kilohms
CENTER (phono jack): voltage 450 mV,
impedance 47 kilohms
SUB WOOFER (phono jack):
voltage 450 mV,
impedance 47 kilohms
This stereo system is equipped with the Dolby* Pro Logic
Surround decoder.
* Manufactured under license from Dolby Laboratories.
Dolby, Pro Logic, and the double-D symbol ;are
trademarks of Dolby Laboratories. Confidential
unpublished works. '1992-1997 Dolby Laboratories.
All rights reserved.
US Model
HCD-MG510AV
Ver 1.0 2001.04
9-873-812-11 Sony Corporation
2001D0500-1 Home Audio Company
C2001.4 ShinagawaTec Service Manual Production Group
COMPACT DISC DECK RECEIVER
SPECIFICATIONS
HCD-MG510AV are the Amplifier, CD player, Tape
Deck andTuner section in MHC-MG510AV.
– Continued on next page –
Model Name Using Similar Mechanism HCD-MG310AV
CD CD Mechanism Type CDM64-K1BD44A
Section Base Unit Name BU-K1BD44A
Optical Pick-up Name KSM-213BFN
TAPE Model Name Using Similar Mechanism HCD-MG310AV
Section Tape Transport Mechanism Type CM8L6Z511A

HCD-MG510AV
1717
SQSO SQCK
A/D
CONVERTER
CH1OUTF
CH1OUTR
6
7
8
9
16
18
11
10
12
2
1
51
49
48
43
24
41
40 39
64 15
28
29
30
31
32
33
24
25
23
5
6
2
3
17
18
15
16
E
B
C
D
A
CD +5V
F
DETECTOR
A
B
C
D
RF
SUMMING
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RFAC
FE
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
TE
E
FF I-V AMP
E I-V AMP
AUTOMATIC
POWER
CONTROL
Q101
APC LD
AMP
LD
LD
PD
LASER DIODE
RFAC
ASYO
ASYI
ASYMMETRY
CORRECTION
DIGITAL
PLL
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
DATA
XLAT
CLOK
14 5 6
MDP
26 7 8
XLON
3
XRST
DIGITAL
CLV
D/A
INTERFACE
SE
TE
FE
RFDC
FOCUS/TRACKING/SLED
SERVO DSP
FOCUS/TRACKING/SLED
PWM GENERATOR
SFDR
CH3FIN
CH4SIN
CH3RIN
CH3OUTF
CH3OUTR
CH2FIN
CH2RIN
CH1FIN
CH1RIN
20
MUTE
SRDR
TFDR
TRDR
FFDR
FRDR
S101
(LIMIT)
EMPH
WFCK GFS
MIRR/DFCT/
FOK
DETECTOR
SERVO AUTO
SEQUENCER
SERVO
INTERFACE
CPU INTERFACE
18
63
62
61
19
SENS
20
86
87
85
84 19
SCOR
C-SQSO
C-SQCK
C-LATCH
C-CLK
C-DATA
C-SENS
C-SCOR
1 2
32 33
SCLK
COUT
9 21
SSTP
27
FOK
22
23
MIRR
DFCT
TO SERVO INTERFACE
CH4OUTF
CH4OUTR
M101
(SPINDLE)
MOTOR
DRIVE
MOTOR
DRIVE
CH2OUTF
CH2OUTR
M
M
M102
(SLED)
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
OPTICAL PICK-UP
BLOCK
(KSM-213BFN)
SW
PD
I-V AMP
12
11
13
14
54 56 53 55
FILTER
FILO
PCO
CLTV
FILI
EFM
DEMODULATOR
SERIAL
IN
INTERFACE
DIGITAL
FILTER,
NOISE SHAPER
PWM
&
INTEGRATOR
BUFFER
CLOCK
GENERATOR
TIMING
LOGIC
DIGITAL
OUT
INTERNAL BUS
16K
RAM
ERROR
CORRECTOR
SUBCODE
PROCESSOR
60
83 C-XRST
XTAI
X101
16.9344MHz
AIN1
AIN2
AOUT1
AOUT2
TO MIRR/DFCT/
FOK DETECTOR
PCMD
BCK
LRCK
C2PO
DOUT
66
XTAO 67
70
77
LOUT1
LOUT2 R-CH
72
75
71
76
When the optical pick-up
is inner position
ON :
A(Page 19)
EQ
IN 15
3
4EQ
AC
SUM
17
FEI
RF DC
AMP 28
RFDCO
29
RFDCI
COIL
DRIVE
COIL
DRIVE
26
24
22
PWM3
PWM2
PWM1
PWM1
PWM3
PWM2
PWM3
PWM2
PWM1
88 LD ON
LEVEL
SHIFT
IC803
91
18
93
T-SENS3
T-SENS2
T-SENS1 TABLE
SENSOR
IC11 – 13
LOAD IN SW 6
LOAD OUT SW 7
LOAD IN
LOAD OUT
S842
(LOAD)
D-SENS 92
DISC IN
DETECT SENSOR
D841, Q841
LOAD NEG 3
LOAD POS 2
LOADING
MOTOR CONTROL
Q881 – 884
TABLE POS 5
TABLE NEG
TABLE
MOTOR CONTROL
Q885 – 888
100
3
2RN1
FN1
16
17
MOTOR
DRIVE 9
8
10
11
MOTOR
DRIVE
OUT1 –
OUT1 +
OUT2 –
OUT2 +
RIN2
FIN2
LOADING/TABLE
MOTOR DRIVE
IC881
M51
(LOADING)
M
MM52
(TABLE)
SYSTEM CONTROLLER
IC801 (1/5)
• SIGNAL PATH
: CD PLAY (ANALOG)
: CD PLAY (DIGITAL OUT)
• R-ch is omitted due to same as L-ch.
OPTICAL
TRANSCEIVER
IC361
OPTICAL
OUT (CD)
CD
L-CH
RFAC
VCA
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM –CD SERVO Section –

HCD-MG510AV
1818
FM ANT
ANT GND
AM ANT
ANT GND DO
TU-CLK
TU-CE
TUNED
L-CH
R-CH
DI
TUNER PACK
FM 75Ω
AM
R-CH
78
TU-DI
80
TU-DO
79
TU-CLK
77
TU-CE
76
TU-TUNED
DI
DO
CLK
CE
TUNED
DO
CLK
CE
TUNED
DI
R-CH
L-CH
R-CH
L-CH
R-CH R-CH
HP101
(PLAY)
HRPE101
(REC/PLAY/ERASE)
13
2
4
R-CH R-CH
REC/PB SWITCHING
IC402
R-CH
BIAS OSC
T401
T403
BIAS
TRAP
C429, R429
REC BIAS
SWITCH
Q402, 403
AU +9V
BIAS OSC
Q401
TRIGGER
PLUNGER DRIVE
(DECK B)
Q385, 386
TRIGGER PLUNGER
(DECK B)
59
A-TRIG
TRIGGER
PLUNGER DRIVE
(DECK A)
Q383, 384
TRIGGER PLUNGER
(DECK A)
60
B-TRIG
89
B-SHUT
97
A-SHUT
TAPE MECHANISM
DECK BLOCK
(2/2)
23
24
B IN-L
A IN-L
19
A/B SW
R-CH
PB
AMP 20
PB-L
6
MIX
OUT
+
R-CH
PB AMP
IC401 (1/2)
70
DVD
69
TAPE
1 2
4 3
5 13
INPUT SELECT
SWITCH
IC306
R-CHR-CH
68
PB-MUTE
50
REC-MUTE
14
REC
OUT-L
REC
IN-L
REC
AMP
REC AMP
IC401 (2/2)
16
MUTING
Q112
R-CH
67
AMS
53
PB-A/B
54
PB/REC
MUTING
Q102
AMS DET
Q404, 405
R-CHR-CH
MUTING
Q101
D(Page 19)
TAPE
L-CH
C(Page 19)
5.1CH
B(Page 19)
TUNER
L-CH
E(Page 19)
REC
L-CH
58 MO-ON
CAPSTAN
MOTOR DRIVE
Q381, 382
MOTOR
+12V
SENSOR B+
MM
M1
(CAPSTAN)
56
B-PLAY
61
A-PLAY
(DECK B PLAY)
TAPE MECHANISM
DECK BLOCK
(1/2)
(DECK A PLAY)
66
A-HALF
(DECK A HALF)
90
B-HALF
(DECK B HALF)
(DECK B REC)
(DECK A REC)
SYSTEM CONTROLLER
IC801 (2/5)
•SIGNAL PATH
•R-ch is omitted due to same as L-ch.
: TUNER
: TAPE PLAY (DECK A)
: REC
: 5.1CH INPUT
: TAPE PLAY (DECK B)
ROTATION
DETECT SENSOR
(DECK A)
ROTATION
DETECT SENSOR
(DECK B)
5-2. BLOCK DIAGRAM –TUNER/TAPE DECK Section –

HCD-MG510AV
1919
74
76
22 23 24 8 7 6
9
3
17
1615
26 27
INPUT
AUTO-BALANCE
DELAY
VOLUME
MODIFIED
BNR
TRIMMER,
VOLUME
TRIMMER,
VOLUME
PSEUDO
STEREO
NOISE
SEQUENCER
TRIMMER,
VOLUME
L+R
2L–R
CPU
INTERFACE
DATA REQ SCK
COMMAND
SLIN
CIN
LTIN
R-CH
R-CH
SELECTOR
CENTER
MODE
CONTROL
10KBIT S-RAM
LOGIC
CIRCUIT
ADAPTIVE
MATRIX
R-CH
PS
RIN
PS
LIN
DS2L
OUT DIN
L
C
R
SW
OUT
SWVOL
IN
S
4240
45
1011
DVOL
OUT
R-CH
LOUT
CVOL OUT
SLVOL OUT
SLVOL
IN
CVOL
IN
BNR
IN
+
SWVOL OUT
C
OUT
SL
OUT
DOLBY PRO LOGIC
SURROUND PROCESSOR
IC301
3
5
7
1
9
B1
C1
D1
A1
E1
INPUT SELECT
LINE
OUT
LOGIC
32
1514
DATA CLK
51 V-DATA
52 V-CLK
DATA CLK
R-CH
R-CH
J304
VIDEO OUT
J701
J302
VIDEO IN
L
R
AUDIO
L
R
VIDEO
J301
FRONT
L
R
REAR
L
R
CENTER
SUPER
WOOFER
5.1CH
INPUT
R-CH
R-CH
C
FRONT
REAR
CENTER
WOOFER
(Page 18) 5.1CH
REAR
CENTER
FRONT
77
20
OUT1
29 VOL1 SOUND
CONTROL
ELECTRICAL VOLUME
IC302 (2/2)
AMP
IC304 (2/2)
LOW-PASS
FILTER
IC304 (1/2)
+
R-CH
G(Page 20)
FRONT
L-CH
Z(Page 20)
SW
REAR
L-CH
CENTER H(Page 20)
(Page 20)
J
F
(Page 21)
E
(Page 18)
A
(Page 17)
B
(Page 18)
D
(Page 18)
CD
L-CH
TUNER
L-CH
TAPE
L-CH
INPUT SELECT
IC302 (1/2)
PL-DATA
PL-RQ
PL-CLK
27 28 25
+
R-CH
WOOFER SWIN
79
80 VRSWIN
LIN
72
DATA
CLK
SYSTEM CONTROLLER
IC801 (3/5)
•SIGNAL PATH
: TUNER
: CD PLAY
•R-ch is omitted due to same as L-ch.
: TAPE PLAY
: REC
: VIDEO IN (AUDIO)
: GAME IN (AUDIO)
: GAME IN (VIDEO)
: 5.1CH INPUT
REC
L-CH
SPE ANA
1
BAND-PASS
FILTER
IC305
5-3. BLOCK DIAGRAM –SURROUND Section –

HCD-MG510AV
2020
R-MUTE
1011
6 12
98
REAR OUTPUT
SELECT SWITCH
IC307
R-CH R-CH
DBFB
SWITCH
Q141
DBFB LEVEL
CONTROL
Q142
R-CH
R-CH
POWER AMP
IC501
MUTING
Q517, 518
MUTING
CONTROL
Q522
MUTING
Q501
MUTING
CONTROL
Q502, 516
R-CH
65
STK-MUTE
44
A-MUTE
23
R-MUTE
21
C-MUTE
STK-MUTE
A-MUTE
R-MUTE
C-MUTE
38
S/W MUTE SW-MUTE
34
FRONT
35
REAR
47
DBFB-ON
48
DBFB-H/L
STK MUTE
STK MUTE
R-CH
MUTING
Q602, 603
MUTING
CONTROL
Q341, 342
MUTING
Q601
MUTING
CONTROL
Q343, 344
C-MUTE
Q524
POWER ON
MUTING
Q521
D513
AU +9V
PROTECT
DETECT
Q514
PROTECTOR
Q505, 508
+
TH501
TERMINAL
DETECT
Q511, 512
D501
OVER LOAD
DETECT
Q506, 507
+ + +
+
+
++
+ +
++
OVER LOAD
DETECT
Q604, 605
OVER LOAD
DETECT
Q608
MUTING
Q519, 520
MUTING
CONTROL
Q523
+
–
+
–
+
–
40
R-RELAY
HP CHK
F-RELAY
55
F-RELAY
45
HP-CHK
DC DETECT
Q513, 515
RY502
RELAY DRIVE
Q504, 510
HP CHK F-RELAY
RELAY DRIVE
Q503, 509
J501 (2/2)
REAR
IMPEDANCE
USE 8Ω
L
R
SURROUND
SPEAKER
CENTER
IMPEDANCE
USE 8Ω
SUPER WOOFER
IMPEDANCE
USE 8Ω
+
–
+
–
FRONT SPEAKER
IMPEDANCE
USE 8Ω
L
R
PHONE
J503
RY501
DBFB AMP
IC303
SYSTEM CONTROLLER
IC801 (4/5)
D389
D395, 399
•SIGNAL PATH
: TUNER
•R-ch is omitted due to same as L-ch.
FRONT
L-CH
G
(Page 19)
REAR
L-CH
J
(Page 19)
CENTER
H
(Page 19)
J501 (1/2)
MUTING
Q232
MUTING
CONTROL
Q333, 334
SW-MUTE
OVER LOAD
DETECT
Q607
+
–
RY503
SW
Z
(Page 19)
POWER AMP
IC602
POWER AMP
IC601
+
+
FAN MOTOR
DRIVE
Q391, 392
D503
M391
(FAN)
M
5-4. BLOCK DIAGRAM –AMP Section –

HCD-MG510AV
2121
GRID DRIVE
Q721 –723
FL701
FLUORESCENT
INDICATOR TUBE
47 –43,41 –24,
22 –12
S1 –S34
99, 100, 2,
3, 5 –10
G2, G3, G5, G6,
G8 –G13
98, 1, 4
G1, G4, G7
GRID DRIVE
Q721 –723
17 –14
75 –72
F1 –F4
BPF1 –BPF4
4 LINE IN
13L+R
BAND-PASS
FILTER
IC703
71 L+R
66 VOL A
67 VOL B
ROTARY
ENCODER
RV701
VOLUME
64 JOG A
65 JOG B
ROTARY
ENCODER
RV702
DISC
ACCESS
X
(Page 19) FSPE ANA
X701
4MHz
82 X0
83 X1
89 –93
LED3 –LED7
GRID DRIVE
Q721 –723
LED DRIVE
Q713 –717 D703 –707
86, 87, 94, 95
LED0, LED1,
LED8, LED9
LED DRIVE
Q702 –705, 718
D708, 736,
D781, 782, 791
80 –78, 76
KEY0 –KEY3
S701, 741 –745,
S750 –757, 760 –767,
S771 –777
59DOOR SW
DISPLAY CONTROLLER
IC701
S791
CD LID
OPEN/CLOSE
DETECT
60SDA
61SCL
77RSTX
30 IIC DATA
29 IIC CLK
43 FL-RESET
74 POWER KEY
73 DISPLAY KEY
S700
S770
DISPLAY
36 KB-SDA
20 KB-SCL
37 KB-CTRL
4
1
5
B+ 5V+5V
SDA
SCL
J801
KEYBOARD
4 RMC
X802
16MHz
15 XIN
13 XOUT
X801
32.768kHz
10 SUBXIN
11 SUBXOUT
81CD POWER
SYSTEM CONTROLLER
IC801 (5/5)
71FM-ON
42POWER STBY
12RESET
82AC CUT
B+ SWITCH
Q361, 362
CD +8V
CD +3V
+3.3V
REGULATOR
Q102
COM +5V
+5V
REGULATOR
IC904
+8V
REGULATOR
IC903
+5V
REGULATOR
IC905
MOTOR +12V
CD +5V
B+ 5V
FL +3.3V
D701, 702
+7V
REGULATOR
Q352
FM +7V
D866
+12V
REGULATOR
IC902
+9V
REGULATOR
IC901
AU +9V
REGULATOR
CONTROL
Q350, 351
RESET SIGNAL
GENERATOR
IC802
BU +5V
U-COM +5V
D803
D802
D806
+5.6V
REGULATOR
Q802, 803
RECT
D961 –964
RECT
D911 –914
RELAY DRIVE
Q901
T902
POWER
TRANSFORMER
(SUB)
RECT
D507
RECT
D511
R AMP B+
R AMP B–
F AMP B+
F AMP B–
–33V
REGULATOR
Q397
VP –33V
D901
RECT
VF1
VF2
RY901
(AC IN)
T901
POWER
TRANSFORMER
(MAIN)
RESET
SWITCH
Q801
REMOTE CONTORL
RECEIVER
IC702
TO FLUORESCENT
INDICATOR TUBE
FL701
5-5. BLOCK DIAGRAM –DISPLAY/POWER SUPPLY Section –

HCD-MG510AV
2424
5-7. SCHEMATIC DIAGRAM –CD Section –•See page 35 forWaveforms. •See page 23 for IC Block Diagrams.
•Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD PLAY
∗: Impossible to measure
The components identified by mark 0or dotted
line with mark 0are critical for safety.
Replaceonlywithpart numberspecified.
(Page 32)

HCD-MG510AV
2727
5-10. SCHEMATIC DIAGRAM –CD MOTOR/SENSOR Section –
•Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD
(Page 32)
(Page 32)
(Page 32)
(Page 32)
(Page 32)

HCD-MG510AV
2929
5-12. SCHEMATIC DIAGRAM –TC Section –•See page 39 for IC Block Diagram.
•Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark :TAPE PLAY
( ) : REC
(Page 30)

HCD-MG510AV
3030
5-13. SCHEMATIC DIAGRAM –MAIN Section (1/4) –
•Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(Page 37)
(Page 29)
(Page 32)
(Page 31)

HCD-MG510AV
3131
5-14. SCHEMATIC DIAGRAM – MAIN Section (2/4) –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(Page 30)
(Page 32)
(Page 33)
(Page 41)
(Page 45)
(Page 37)

HCD-MG510AV
3232
5-15. SCHEMATIC DIAGRAM –MAIN Section (3/4) –•See page 39 for IC Block Diagram.
•Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
( ) : CD PLAY
[ ] : TAPE PLAY
(Page 41)
(Page 24)
(Page 27)
(Page 27)
(Page 27)
(Page 27)
(Page 27)
(Page 30)
(Page 31)
(Page 33)

HCD-MG510AV
3333
5-16. SCHEMATIC DIAGRAM –MAIN Section (4/4) –•See page 35 forWaveforms.
•Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
( ) : CD PLAY
[ ] : TAPE PLAY
∗: Impossible to measure
(Page 32)
(Page 31)
(Page 37)

HCD-MG510AV
3737
5-19. SCHEMATIC DIAGRAM –MAIN AMP Section –
•Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
The components identified by mark 0or dotted
line with mark 0are critical for safety.
Replaceonlywithpart numberspecified.
(Page
38)
(Page 33)
(Page 30)
(Page 45)
(Page 31)

HCD-MG510AV
3838
SUB AMP BOARD
1-680-802-
11
(11)
ZMAIN AMP
BOARD
CN504
B
C
A
1 2 3 4
5-20. PRINTED WIRING BOARD –SUB AMP Section –•See page 22 for Circuit Boards Location. 5-21. SCHEMATIC DIAGRAM –SUB AMP Section –
•Semiconductor
Location
Ref. No. Location
D604 B-2
D605 C-3
IC601 A-2
Q607 B-1
Q608 B-3
(Page 36)
(Page 37)

HCD-MG510AV
4141
5-23. SCHEMATIC DIAGRAM –DISPLAY Section –•See page 35 forWaveform. •See page 39 for IC Block Diagram.
•Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(Page 32)
(Page 31)
(Page 43)