Sony HCD-GRX30 / HCD-R440 / HCD-R550 / HCD-RXD5 / MHC-GRX30 / MHC-GRX30J / MHC-R550 / MHC-RXD5 Service Manual ▷ View online
HCD-GRX30/GRX30J/R550/RXD5
— MAIN SECTION —
SPEAKER
IMPEDANCE
USE 6-16
Ω
MIX MIC
J711
MIC AMP
IC712(1/2)
MIC AMP
IC712(2/2)
MIC VOL
RV712
A
CD
SECTION
C
TC
SECTION
B
TC
SECTION
L
AM
VIDEO/MD
(AUDIO) IN
J101 (1/2)
R-CH
FM75
Ω
FM ANT
AM ANT
ST-L
ST-MUTE
STEREO
TUNED
ST-DIN
FM ANT
AM ANT
ST-R
ST-DOUT
ST-CLK
ST-CE
R-CH
ANTENNA
FM/AM TUNER UNIT
IN F2
64
SOUND
CONTROL
CIRCUIT
INPUT
SELECT
33
66
68
67
IN D2
IN B2
IN C2
R-CH
CPU
INTERFACE
32 34
D
ATA
CLOCK
LA
TCH
60 5 59
KEY IN2
KEY IN1
B OUT
EQUALIZER
CONTROL
CIRCUIT
GRAPHIC
R-CH
42
FOUT2
REC B2
REC A2
MIC IN
2
58
30
MIC IN
L+R
57
VOLUME
CONTROL
BASS BOOST
CONTROL
CIRCUIT
VOL IN2
41
VOL OUT2
72
OUT2
36
DBFB CONTROL
SWITCH
Q111
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC101
38 39
.
BB B2
BB A2
FEED BACK
SWITCH
Q112
MUTE
Q113
MUTE
Q461
MUTE
Q411
MUTE
Q191
POWER AMP
IC801
14
18
R-CH
Q113
D141
MUTE SWITCH
Q412
R-CH
R-CH
OVER LOAD
DETECT
Q801
RELAY DRIVE
Q431
PROTECTOR
Q435,436
OVER LOAD
DETECT SW
DETECT SW
Q432,437
PROTECTOR
Q439
R-CH
R-CH
D803
DC DEFECT
SWITCH
Q433,434
R-CH
Q112
D+5V
A-7V
MUTE SWITCH
Q508,509
RESET SIGNAL
GENERATOR
IC502
RESET
SWITCH
Q501
3
1
D+5V
+5V
RY401
L
R
TM401
D
DISPLAY
SECTION
SECTION
R-CH
SPEANA
L
R
J101 (2/2)
SUPER WOOFER
US, CND/GRX30/GRX30J MODEL
US, CND/GRX30/GRX30J
MODEL
MODEL
J191
PHONES
J701
SYSTEM CONTROL
IC501 (3/3)
52 55 54 53
51 50 49
7
DBFB-H/L
ST
-MUTE
STEREO
TUNED
ST
-DIN
ST
-DOUT
ST
-CLK
ST
-CE
47
M62493-DA
TA
48 38
M62493-CLK
M62493-LA
TCH
6
LINE-MUTE
22
AC-CUT
12
RESET
13
X OUT
36
R
Y
-SW
3
F-RELA
Y
27
PROTECTOR IN
E
DISPLAY
SECTION
SECTION
F
DISPLAY
SECTION
SECTION
RESET
• Signal Path
• RCH is omitted
: TAPE PLAY
: RECORD
: CD PLAY
: TUNER (FM/AM)
: MIC INPUT
16
15
X IN
30
IIC-DA
TA
11
XC OUT
10
XC IN
X613
16MHz
X601
32.768kHz
25
IIC-CLK
2
POWER
5
CD-POWER
G
H
DATA,CLK
POWER
CD-POWER
D
ATA
CLK
43
STBY RELA
Y
47
FL SW
I
J
STBY RELAY
FL SW
POWER
SECTION
VIDEO/MD
(REC OUT)
R
1
STK-MUTE
MUTE SWITCH
Q803,804,865
Q803,804,865
(Page 21)
(Page 20)
(Page 22)
(Page 25)
(Page 25)
(Page 25)
(Page 25)
— 23 —
— 24 —
• Abbreviation
CND : Canadian model
HCD-GRX30/GRX30J/R550/RXD5
— 25 —
— 26 —
— DISPLAY/KEY CON SECTION —
5
4
6
.
67
.
66
22
2
.
.
.
65
.
F
E
MAIN
SECTION
D
DATA,CLK
RESET
SPEANA
SDA
78
SCL
79
73
DATA
CLK
17
F01
LINE IN
4
BAND-PASS FILTER
IC603
13
L+R
16
F02
15
F03
14
F04
11
13
JOG-A
80
FUNCTION
KEY
BPF1
14
ALL BAND
18
BPF2
15
BPF3
16
BPF4
17
REMOTE CONTROL
RECEIVER
IC602
S631-663
S751-757
S751-757
2
ROTARY
ENCODER
S601
ROTARY
ENCODER
S602
S601
(JOG DIAL)
S602
VOLUME
VOL-A
9
SIRCS
1
KEY-0
KEY-2
JOG-A
8
VOL-A
10
40
42
.
64
28
38
FLUORESCENT INDICATOR TUBE DRIVE
LED DRIVE,KEY CONTROL
IC601
RESET
ANODE 0
ANODE 23
SWITCH
Q620
41
GRID0
GRID1
GRID11
SWITCH
Q621
39
GRID12
FLUORESCENT
INDICATOR TUBE
FLC601
F1
F1
F2
7
L.SEL
Q603
B+ SWITCH
Q601,602
D+5V
LED DRIVE
Q611-617
.
LED
19
21
LED
D751-753
LED DRIVE
Q604
74
STBY
D754
PWR STBY
LED DRIVE
Q605
75
TMR SELECT
D626
TIMER
X-O
72
X-I
70
X601
12.5MHz
D611-625
68
VKK
+7V
REGULATOR
Q901,902,913
SWITCH
Q870
D832
D831
F953
GRX30/GRX30J
EXCEPT GRX30:TH,KR,AUS
POWER
AMP
IC801
+VH
+VH
-VH
+VL
-VL
GRX30/GRX30J
F955
F956
F954
R951
R952
T952
D901-904
-7V
REGULATOR
Q9144,951,952
+5V
REGULATOR
IC902
1
3
B+
SWITCH
Q904,905
+7V
-7V
CD D+5V
CD A+5V
+5.6V
+5V (STBY)
D501
D502
D509
µ
CON +B
µ
CON +B
B+
SWITCH
Q907,908
D912
D913
AUDIO D+5V
DECK B+
D507
D+5V (UNSW)
D907-910
R953
+12V
REGULATOR
IC903
1
3
B+
SWITCH
Q99
ST 10V
TC M+12V
CD M+7V
+7V
REGULATOR
IC901
1
3
D12-15
D17-20
+5.6V
REGULATOR
IC11
1
3
RELAY
DRIVE
Q11
2
RY11
T901
Q16
F2
F1
Q17
Q14,15
Q13
Q12
+5.6V
I
STBY RELAY
H
MAIN
SECTION
CD-POWER
G
POWER
J
FL SW
JW248
JW1
AUS,TH,KR
R550/RXD5
MX
GRX30: E2,E3,AR, SP, TW/GRX30J
VOLTAGE
SELECTOR
AC IN
VS901
220/240V
120V
F951
REGULATOR
CONTROL SW
Q9003,923
D23
16
(Page 23)
(Page 24)
(Page 23)
(Page 24)
• Abbreviation
AUS
: Australian model
EA
: Saudi Arabia model
E2
: Central and South America models
E3
: Middle and Near East models
SP
: Singapore model
TH
: Thai model
TW
: Taiwan model
AR
: Argentina model
KR
: Korea model
HCD-GRX30/GRX30J/R550/RXD5
— 27 —
— 28 —
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
•
C
: panel designation.
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
•
p
: parts mounted on the conductor side.
•
®
: Through hole.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Note:
The components identi-
fied by mark
The components identi-
fied by mark
!
or dotted
line with mark
!
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: FM
f
: AM
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
c
: digital out
• Abbreviation
CND : Canadian model
AUS
AUS
: Australian model
G
: German model
AED
: North European model
EA
: Saudi Arabia model
E2
: Central and South America models
E3
: Middle and Near East models
MX
: Mexican model
SP
: Singapore model
TH
: Thai model
TW
: Taiwan model
AR
: Argentina model
KR
: Korea model
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
• Waveform
– BD board –
– BD board –
– PANEL board –
HCD-GRX30/GRX30J/R550/RXD5
7-3. PRINTED WIRING BOARD — CD SECTION —
— 29 —
— 30 —
(Page 44)
CN391
MAIN
BOARD
G
16
16
(GND)
(TE1)
(FE1)
(RF)
(VC)
(FE)
(TE)
(AGCCON)
(PLCK)
21
(21)
Ref. No.
Location
IC101
C-2
IC102
B-1
IC103
B-1
• Semiconductor
Location
Ref. No.
Location
Q101
C-3
• Semiconductor
Location
• Refer to page 18 for Circuit Boards Location. • Refer to page 27 for Note on Printed Wiring Boards.
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