Sony HCD-RG550 / HCD-RG660 / MHC-RG550 / MHC-RG660 Service Manual ▷ View online
25
25
HCD-RG550/RG660
5-2. BLOCK DIAGRAM — CD SECTION —
8
7
9
10
80
79
70 LIMIT SW
20
TDO
18
10
VO3(+)
FOIN
20
TIN
3
SPIN
7
MUTE
25
SLIN
17 VO3(–)
11 VO2(+)
12 VO2(–)
26 VO4(+)
27 VO4(–)
2 VO1(+)
1 VO1(–)
A
C
B
D
E
F
LD
PD
RF AMP, FOCUS/TRACKING ERROR AMP,
DIGITAL SIGNAL PROCESSOR, DIGIRAL SERVO PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC721
21
FDO
23
SLDO
22
SPDO
25
CONT4
A
B
D
E
F
C
I-V AMP
DETECTOR
LD
PD
LASER DIODE
OPTICAL PICK-UP
BLOCK
(KSS-213D)
2-AXIS
DEVICE
(FOCUS)
(TRACKING)
M702
(SPINDLE)
M701
(SLED)
M
M
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC722
49
48
X701
16.9344MHz
S701
(LIMIT)
79 DATAIN
80 DATACK
5 C2FIN
1 LRSY
2 ADDATA
3 ADBCK
4 ADLRCK
7 CKIN
9 CKOUT
78 RESB
99 I-LC78646/LC78684 DI
98 O-LC78646/LC78684 DO
100 O-LC78646/LC78684 CLK
5 O-LC78646 CE
77 I-CD WRQ
76 I-CD DRF
4 O-LC78646 RESET
60
DATA
59
DATACK
52
C2F
58
LRSY
57
ASDFIN
56
ASDACK
55
ASLRCK
54
16MOUT
10
6
76 66
53
EFLG
50
FSX/16MIN
73 CMDOUT
74 CMDIN
CE
FSYNC
O-LC78684 CE
I-LC78684 SYNC
75 CL
26
MP3RES
64
DO
63
DI
62
CL
78
I-CD NUMBER SENS
20
I-CD ENCODER
9
RIN
LM-R
11
RESET
1
O-SYS-MUTE
94
O-POWER RELAY
27
I-HOLD
S-MUTE
O-POWER
HOLD
61
CE
65
*WRQ
67
DRF
72
CD MUTE
66
*RES
4 OUT1
2 OUT2
M751
(LOADING)
M
LOADING MOTOR DRIVE
IC701
MP3 DECODER
IC801
SYSTEM CONTROLLER
IC601 (1/2)
S751
OPEN/CLOSE
DETECT
OPEN
CLOSE
LEVEL SHIFT
Q731
TABLE ADDRESS
SENSOR
IC731
+
ROTARY
ENCODER
RE701
7
FIN
LM-F
9
RIN
TM-R
4 OUT1
2 OUT2
M741
(TABLE)
M
TABLE MOTOR DRIVE
IC712
7
FIN
TM-F
C
B
42
LCHO
45
RCHO
R-CH
CD-L
A
APC
FIN2
FIN1
LDD
LDS
TIN2
TIN1
XOUT
XIN
RF
4
EFMIN
3
ERROR
CORRECT
EQ,
AGC
COMMAND
INTERFACE
INTERFACE
CLOCK
GENERATOR
PH, BH
RF AMP
TBAL
A/D
CONVERTER
D/A
CONVERTER
EXTERNAL
AUDIO IN
SERIAL OUT
D/A
CONVERTER
SERVO
PROCESSOR
AUTOMATIC
POWER CONTROL
Q701
3
I-POWER DOWN
POWER DOWN
RESET
S-MUTE
MIC
O-POWER
HOLD
POWER DOWN
RESET
LM-F
LM-R
• SIGNAL PATH
: CD PLAY
• R-ch is omitted due to same as L-ch.
R-CH
DISC TRAY
ADDRESS DETECT
I/01 – I/016
A0 – A8
MDATA0
– MDATA15
MADRS0
– MADRS8
29 OE
45
OEB
15 WE
42
WEB
16 RAS
41
RASB
31 LCAS
43
CASLB
30 UCAS
44
CASUB
MEMORY
IC802
2-5, 7-10,
35-38, 40-43
23-30, 33-40
60-53, 50
18-21, 24-28
MUTING
Q311
MUTING CONTROL
SWITCH
Q312
TM-F
TM-R
D
TUNER/TAPE/PANEL
SECTION
AMP/POWER SUPPLY
SECTION
AMP/POWER SUPPLY
SECTION
AMP/POWER SUPPLY
SECTION
DOUT
39
DOUT
(Page 27)
(Page 27)
(Page 27)
(Page 26)
26
26
HCD-RG550/RG660
5-3. BLOCK DIAGRAM — TUNER/TAPE/PANEL SECTION —
CAPSTAN/REEL
MOTOR DRIVE
Q618
PLUNGER DRIVE
(DECK-A)
Q616
M
M
TAPE MECHANISM
DECK BLOCK
(CAPSTAN/REEL)
(DECK-A)
(DECK-B)
96 I-LC72121 DI
97 O-LC72121/BU2099 CLK
9 O-LC72121 CE
74 I-TUNER TUNE
75 I-TUNER STEREO
2 I-BU1924 DI
29 I-BU1924 CLK
95 O-LC72121/M61529/BU2099 DO
G
TUNER UNIT
AM LOOP
FM ANT
AM ANT
L-CH
R-CH
R-CH
TUNER-L
TU-MUTE
DI
DI
CLK
BIAS OSC
L201
REC BIAS
SWITCH
Q228
+9V
BIAS OSC
Q223
ERASE
HRPE1
(REC/PB/ERASE)
(DECK-B)
HP1
(PB)
(DECK-A)
L-CH
R-CH
R-CH
R-CH
L-CH
R-CH
R-CH
22 I-STREAM-IN
23 I-VACS
21 I-SW ON/OFF SENSOR
BAND-PASS
FILTER
28 I-REMOCON-IN
REMOTE CONTROL
RECEIVER
RM60
1
FRONT PANEL KEY
81 I-VR-ENCODER-B
80 I-VR-ENCODER-A
ROTARY
ENCODER
VR601
LED DRIVER
Q602-605,607
BUFFER
Q609,610
FLD601
FLUORESCENT
INDICATOR TUBE
MUTING
Q219, 221
PLUNGER DRIVE
(DECK-B)
Q617
LED614
A-MODE
TAPE A STAT
TAPE B STAT
TAPE REEL A
TAPE REEL B
TAPE REEL B
B-SOL
A-SOL
CAPM+
MECHA-VCC
SOL-A
SOL-B
A-HALF
B-HALF
A-PHOTE
B-PHOTE
B-MODE
REC (FWD)
REC (REW)
G1
I
G12
P1
I
P4
•
P5
I
P8
•
P9
I
P22
18
82
83
I-TAPE A STAT
I-TAPE B STAT
I-TAPE B STAT
I-TAPE REEL A
I-TAPE REEL B
I-TAPE REEL B
19
93
O-POWER LED
8
O-BU2099 LCK
79
I-TAPE AMS IN
42
I
45
•
47
I
50
•
52
I
65
30
I
41
VACS/STR
VACS/STR
E
VOLUME
I-KEY2
I
I-KEY0
24
I
26
O-STREAM 1 LED
O-STREAM 6 LED
85
I
88
•
91
•
92
SO
MCLK
LCK
LCK
X601
32.768kHz
13
12
XT2
XT1
7
O-M61529 CLK
16
15
RES601
8.64MHz
CF2
CF1
POWER
HP
F
(AEP, UK)
SYSTEM CONTROLLER
IC601 (2/2)
FM 75Ω
COAXIAL
PH301
DIGITAL
OUT
LED601-606
(STREAM1-6)
ANTENNA
34
32
BIN (L)
AIN (L)
28
27
EQOUT (L)
26
PB-OUT (L)
TAI (L) MUTE
DECK A/B SELECT SWITCH, REC/PB EQ AMP
IC201
REC-
OUT (L)
OUT (L)
REC-IN (L)
21
EQ
24
DO
CLK
CE
TUNED
ST
RDS DATA
RDS INT
MULTI CONTROLLER
IC309
7 BIAS
15
14
6 REC
11
1
TUNER MUTE
MUTE-ON/OFF
REC MUTE-ON/OFF
9
10 REC MUTE
PB MUTE
8
A/B
13
A/B
REC ON/OFF
SWITCH
Q222, 225
3
DATA
4
CLOCK
5
LCK
18
SO
CLK
DI
13
LM-L (CD)
LM-F
12
LM-R (CD)
LM-R
TAPE-L
REC-L
SP-F
15
14
14
TM-L (CD)
TM-F
TM-R (CD)
TM-R
• SIGNAL PATH
: TUNER (FM/AM)
: TAPE PLAY (DECK-A)
: TAPE PLAY (DECK-B)
: REC
• R-ch is omitted due to same as L-ch.
SURR
LM-F
LM-R
LM-R
TM-F
TM-R
TM-R
D OUT
DI
SO
CLK
MCLK
LCK
LCK
MECHA-VCC
SOL-A
SOL-B
SOL-A
SOL-B
16
SP RELAY
SP-F
17
LINK/MATRIX
SURR
O-GAME LED
O-MD/VIDEO LED
O-TAPE LED
O-TUNER LED
O-CD LED
68
•
67
•
69
•
70
•
71
LED607
I
LED610,
LED612
AMS
Q210,211
EQ
Q212
2
3
AMP/POWER SUPPLY
SECTION
AMP/POWER SUPPLY
SECTION
AMP/POWER SUPPLY
SECTION
D
CD
SECTION
K
AMP/POWER SUPPLY
SECTION
H
AMP/POWER SUPPLY
SECTION
J
AMP/POWER SUPPLY
SECTION
D OUT
+3.3V
+3.3V
+3.3V
GND
(Page 27)
(Page 27)
(Page 27)
(Page 27)
(Page 27)
(Page 25)
(Page 27)
27
27
HCD-RG550/RG660
5-4. BLOCK DIAGRAM — AMP/POWER SUPPLY SECTION —
JK006
R-CH
PHONES
FRONT
SPEAKER
+
–
–
–
+
R
L
JK502 (1/2)
SPEAKER
JK502
R-CH
R-CH
–VL
–VP
+VP
–VH
OVER LOAD
DETECT
Q505
OUTPUT LEVEL
DETECT
Q23, 24
Q23, 24
DC DETECT
Q5, 6
BIAS
Q507, 509
HOLD
Q7 – 9
DC DETECT
Q5,6
THERMAL DETECT
Q10, 11
+
FINAL DRIVE
Q501, 503
SWITCHING
Q17, 19, 22
SWITCHING
Q18
R-CH
R-CH
+
+
+
TH501,
502
+
R-CH
R-CH
CASCADE
Q511, 513, 515
PRE DRIVE
Q517, 519
MIC AMP
IC001 (1/2)
MIC AMP
IC001 (2/2)
MUTING
Q525
+
CURRENT
MIRROR
Q521, 523
R-CH
+
+VL
+VH
OUTPUT LEVEL
DETECT
Q20, 21
Q20, 21
R-CH
+
MUTE
Q321
INPUT SELECT SWITCH, TONE CONTROL,
ELECTRICAL VOLUME, BASS BOOST AMP
IC301
BASS BOOST CONTROLLER
IC310
19
SAOUT
VACS/STR
29
TOUT2
25
OUT2
VR001
JK003
3
DATA
4
CLOCK
LCK
S-MUTE
MIC
O-POWER
HOLD
CLK
SO
5
LCK
40 CD-L
MD-L
2 MIC
39 TUNER-L
38 TAPE-L
28 VOLIN2
MIC LEVEL
AGC
Q001
–30V
REGULATOR
Q533 – 536
(AC IN)
SUB POWER
TRANSFORMER
T902
MAIN POWER
TRANSFORMER
T901
RECT
D2
+VL
TO
POWER AMP
BLOCK
–VL
VL
VL
VF1
TO
FLUORESCENT
INDICATOR TUBE
VF2
RECT
D1
+VH
–VH
–VFL
EVER+10V
VH
VH
RECT
D902 – 905
+4V
REGULATOR
IC602
+3.3V (SUB)
DI
SO
CLK
MCLK
LCK
MECHA VCC
SOL-A
SOL-B
SOL-B
RESET
POWER DOWN
D617
RESET SIGNAL
GENERATOR
IC603
MIC
MIC LEVEL
CD-L
A
TUNER-L
TAPE-L
REC-L
J
TAPE-L
G
K
C
21
DATA
22
CLOCK
35 RECB-2
36 GAME-L
S-MUTE, O-POWER, HOLD
B
: MIC INPUT
9
MOTOR VCC
10
SOL-A
11
SOL-B
MECHA VCC
SOL-A
SOL-B
H
HP
F
(Except RG660 AEP, UK)
AEP, UK
MODEL
VOLTAGE
SELECTOR
S901
Except AEP, UK
MODEL
VOLTAGE
SELECTOR
RY901
RY902
RESET SWITCH
Q601
R-CH
+
–
–
–
+
R
L
R-CH
FRONT SPEAKER
ON/OFF RELAY DRIVE
Q304
MUTING CONTROL
SWITCH
Q527
POWER OFF
MUTING DRIVER
Q529, 530
D513
VM+10V
FAN MOTOR
ON/OFF SWITCH
Q371,373
RY501
RY502
RG660
RG660
RG550
SURROUND SPEAKER
ON/OFF RELAY DRIVE
Q532
M731
(FAN)
(FAN)
M
SP-F
S-MUTE
O-POWER
HOLD
MIC
HOLD
MIC
SURR
: TAPE PLAY
: REC
: CD PLAY
: TUNER (FM/AM)
SIGNAL PATH
: MD (VIDEO) IN
R-ch is omitted due to same as L-ch.
R-CH
JK302
L
R
R-CH
JK005
JK004
L
R
VIDEO
AUDIO
VIDEO
OUT
GAME
INPUT
MD (VIDEO)
IN
37
BUFFER
IC304
CENTER VOLATAGE
GENERATOR
Q324
VM+10V
TUNER/TAPE/PANEL
SECTION
TUNER/TAPE/PANEL
SECTION
TUNER/TAPE/PANEL
SECTION
CD
SECTION
TUNER/TAPE/PANEL
SECTION
TUNER/TAPE/PANEL
SECTION
CD
SECTION
MCLK
DI
+4V
HOLD
Q12
OVER CURRENT
DETECT
Q13
O-POWER
VM+9V
VM+10V
RECT
D319 – 322
RECT
D301 – 304
DC DET
Q329
VM
VM
VCC
DECK+9V, M+9V
+10V
REGULATOR
IC313
+9V
REGULATOR
IC308
D102
P+7V
D313 – 315
+9V
REGULATOR
IC305
+4V
REGULATOR
IC306
B+ SWITCH
Q301, 302
RELAY B+
+9V
+1.8V
(MP3)
+3.3V (MAIN)
+1.8V
REGULATOR
IC803
POWER ON/OFF
RELAY DRIVE
Q330, 331
TUNER/
TAPE/
PANEL
SECTION
CD
SECTION
E
SURROUND
SPEAKER
JK502 (2/2)
VACS/STR
MIC+10V
(Page 26)
(Page 25)
(Page 26)
(Page 26)
(Page 25)
(Page 26)
(Page 26)
(Page 26)
(Page 25)
28
28
HCD-RG550/RG660
5-5. CIRCUIT BOARDS LOCATION
MAIN board
DRIVER board
SW board
MOTOR (LD) board
MOTOR (TB) board
VIDEO OUT board
BD board
SENSOR board
TRANS board
POWER AMP board
JACK board
PANEL board
REMOTE board
6 STREAM LED board
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