Sony HCD-RXD2 / MHC-RXD2 Service Manual ▷ View online
— 16 —
SECTION 6
DIAGRAMS
6-1. CIRCUIT BOARDS LOCATION
CD DECORD board
FRONT board
MAIN board
SW (A) board
SW (B) board
SW (C) board
SW (D) board
MOTOR board
H/P SUPPLY board
AC SUPPLY board
VR SWITCH board
TR board
SENSOR board
MOTOR (6P) (S) board
HCD-RXD2
6-2. BLOCK DIAGRAMS
— TUNER, CD SECTION —
— TUNER, CD SECTION —
— 17 —
— 18 —
CE
16
10
6
4
5
3
22
1
PLL
IC103
FM
XO
XI
CLK
DI
DO
CE
CLK
DI
DO
OPTICAL PICK-UP
BLOCK
APC
Q701
41
+5V
VC
LD
GND
A
C
B
E
F
FOCUS
COIL
F+
F
T+
T
TRACKING
COIL
36
37
42
39
38
51
APC
FOCUS PHASE
COMPENSATION
DECODER
SERIAL/
PARALLEL
CONVERTER
FE
AMP
RF
AMP
IIL
TTL
TTL
IIL
COMAND
VC
TRACKING PHASE
COMPENSATION
LD
PD
E
F
PD1
PD2
6
25
24
21
20
23
22
33
27
SENS1
RFO
FOK
C OUT
DATA
XLT
CLK
XRST
13
FEO
TAO
IC703
T.T/TRAY MOTOR
DRIVER
CD RF/SERVO
PROSSESOR
IC701 (1/2)
2
5
T IN
1
3
4
VR
PD
PD
18
17
19
20
6
F IN
22
SL IN
13
T.T F IN
F+
F
T+
T
SL+
SL
SP+
SP
M
M
MOTOR
M102
SLED
SLED
MOTOR
M101
SPINDOL
EFM
DEMO.
XRST
CLV
SERVO
DIGITAL
CLV
D/A
I/F
SUB CODE
PROSSESOR
CPU I/F
7
9
4
5
6
62
57
MDP
SENS
SCOR
SQSO
SQCK
CLOCK
D
ATA
CLK
XLT
DAT
SE
CIN
FOK
RF
SERIAL
I/F
PWM
67
70
71
NL
XTA1
XTA0
X701
MUTE
R-CH
CD DIGITAL
SIGNAL PROCESSOR
IC702
16
:FM
:CD
• SIGNAL PATH
14
7
8
4
2
1
6
10
DETECTOR
16
OSC
FM
75
Ω
AM
ANTENNA
JK101
3
1
RF
MIX
6
4
FM FRONT END
FE101
RF IF
AMP
Q101
CF101
10.7MHz
T101
CF102
10.7MHz
L105
MW OSC
IF
G
VT
L104
AM ANT
AM RF
AMP
Q108
MPX
16
FM IF
1
OSC
23
AFC
22
AM RF
21
FM
IF
AM OUT
19
FM
DET
AM/FM
IF BUFF
AM
OSC
AM
MIX
AM
DET
SMET
20
CF103
450kHz
MUTE
AGC
AM
IF
DECODER
13
L
14
R
4
2
T102
AM IFT
8
FM DET
CF104
10.7MHz
R CH
FM/AM MPX
IC102
FM
TUNED
LEVEL
PD1
18
X201
7.2MHz
FM B+
7
TUB+
+12V
Q114
ST MONO
12
15
AM
OSC/FMSD
24
B+
11
SD IN
9
ST/MONO
TU LED
6
12
IF IN
SD SPEED
7
ST IND
10
AM/FM
MUTE
Q117
TU L
ST IND
TU MUTE
DO
A
MAIN
SECTION
D
5
LD
PD
F/T COIL
SL/SP MOTOR
14
15
30
31
T.T+
T.T
TR+
TR
M
M
MOTOR
T/T
MOTOR
TRAY
21
SP IN
29
TR F IN
12
T.T R IN
28
TR T IN
27
MUTE IN
IC705
IC701 (2/2)
6
7
REG
Q703
9
REG I
10
REG B
11
REG OUT
7
VCC
8
VCC
+5V
B+
XRST
6
SPEED
11
CONTROL
5
SWITCH
Q702
13
12
TR+
TR
7
14
T.T+
T.T
4
MUTE
3
CLOK
1
STB
IC704
MOTOR DRIVE
REG CONTROL
REG CONTROL
T.T/TRAY
35
18
11
10
12
13
14
79
21
18
SPOA
STOP
SWITCH
S05
8
XLA
T
CLOCK
GEN.
PWM
74
NR
MUTE
Q705,707
CD L
SCOR
SENS1
SQSO
XLAT
SQCK
DATA
CE
STB
CLK
DI
C
MAIN
SECTION
:AM
• RCH is omitted
SFR101
SENS2
LOCK
OSC
VT
G
TP2
TP1
2
DATA
26
SENS2
19
LOCK
16.9344MHz
2
L MUTE
53
D OUT
DIGITAL
OUT
PH701
B
MAIN
SECTION
CLK
DATA IN
HCD-RXD2
— MAIN SECTION —
— 19 —
— 20 —
HP901
PB
HEAD
TAPE A
HRP901
REC/PB
HEAD
TAPE B
R CH
R CH
R CH
PLAY/REC
CONTROL
CONTROL
Q203, 205
PLAY/REC
CONTROL
DRIVE
Q207
PLAY/REC
CONTROL
CONTROL
D201
L291
BIAS OSC
BIAS
OSC
Q291
HE901
ERASE
ERASE
HEAD
R CH
1
2
9
3
REC OUT
PB OUT
A/B
5
19
11
10
REC/PB
EQ AMP
IC201
TAPE A/B
Q213
MUTE
Q300
AMS
Q281,282
D202
: FM
: CD
• Signal Path
• RCH is omitted
C
CD
SECTION
TU L
ST IND
TU MUTE
DO
Q551
MUTE
14
7
4
POWER AMP
IC501
SPEAKER
RELAY
DRIVE
Q521
Q523
1
2
6
IC502
IC502
RL501
R CH
SPEAKER
PHONES
JK501
JK502
SCOR
SENS1
SQSO
XLAT
SQCK
CLK
DI
CLK
CE
STB
11
STB
21
CE
25
SCLK
27
SDA
TA
OUT
24
D
ATA
22
SQCK
20
XLA
T
23
SQSO
42
SENS1
4
SCOR
26
SDA
TA
IN
MUTE
DRIVE
Q553
MUTE
SWITCH
Q603,604
62
TU MUTE
28
FM ST IND
17
CTRL
64
SYSTEM MUTE
63
POWER SW
LED DRIVE
IC602
2
3
4
19
ALA
TCH
5
11
LED
DRIVE
DI
CLK
Q607,608
RESET
SWITCH
POWER
DOWN DET
Q601
38
RESET
6
POWER DOWN
Q602
LED602-606
LED601
+5V
XT
AL
40
XT
AL
39
VR UP
52
X601
10MHz
VR DOWN
53
VR601
VOLUME
PIC UP
46
PIC DOWN
47
TRA
Y OPEN
50
TRA
Y CLOSE
51
TURN T
ABLE
49
DISC COUNT
48
A
B
S02
TRAY
OPEN/CLOSE
DET
S03
DISC
COUNTER
DET
S04
TURNTABLE
OPERATION
DET
S01
CD DECK
UP/DOWN
DET
3
2
+5.6V
RM601
REMOTE
CONTROL
RECEIVER
8
REMOTE
KEY
MATRIX
S601-612
P2
P21
KI0
KI2
FLD601
FLD DISPLAY
SYSTEM CONTROLLER/
FLD DRIVER
IC601
+5.6V
REG
Q751
SWITCHING
Q705
+12V
M +12V
+7.5V
REG
Q702
CD +7.5VV
+12V
REG
Q701
RECT
D701-704
P MUTE
CONT
Q704
AC OFF
DET
Q705
D551
D711
RECT
D700
-12V
-30V
+30V
-27V
REG
REG
Q703
-27V
AC
IN
PT001
AC3.4V
AC3.4V
16
A
TUNER
SECTION
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
Q207
Q201
CE
CLK
DI
12
LOCK
MUTE
Q208,209
BIAS
SWITCH
Q292,293
6
Q351
TAPE (L)
4
REC OUT (L)
1
TUNER (L)
3
CD (L)
2
B
CD
SECTION
CD L
LINE AMP
IC301
9
VOL OUT
BUS REGISTER
IC251
REC MUTE
13
A/B
11
BIAS
12
PLAY MUTE
14
DI
2
CLK
3
STB
1
DI
CLK
CONT
11
4
PLAY
5
SOL A
6
SOL B
SOL A
DRIVE
Q255,256
M+12V
SWITCH
Q251,252
M+12V
MOT 12V
SOL B
DRIVE
Q253,254
SHIFT REGISTER
IC252
CK
2
S/L
1
QH
9
CLK
3
F REC
5
PHOTO A
11
A MODE SW
13
A HALF
6
PHOTO B
12
B MODE SW
14
B HALF
MECHA
BLOCK
SFR251
MOTOR H/L
Q572
MUTE
D531
D552
+5.6V
1 100
.
90 88
.
66 85
2 .
. 87
29 31
G1
G15
S614-629
Q'S
10
SCOR
DATA IN
DATA
SENS2
LOCK
13
CLOK
43
SENS2
37
AMS
12
7
9
10
13
10
S/L
9
DA
TA
IN
D720
HCD-RXD2
— 21 —
— 22 —
1
IC101
#£
(PLAY MODE)
2
IC101
2
(FEI)
(PLAY MODE)
3
IC101
$¶
(TEI)
(PLAY MODE)
4
IC103
@¶
(MDP)
5
IC702
$ª
(B) GFS
7
IC702
&¡
(XTAO)
Approx. 1.0Vp-p
Approx. 0.1Vp-p
Approx. 0.1Vp-p
2.4Vp-p
0.1
µ
sec/div
0.1V/div
7.7
µ
sec
5.7Vp-p
4.2336MHz
16.9344MHz
5.6Vp-p
(PLAY MODE)
8
IC601
$º
(X' TAL)
4.7Vp-p
10MHz
7.2MHz
3.4Vp-p
9
IC103
@™
(X OUT)
49.5kHz
49.5kHz
26Vp-p
44Vp-p
!º
L291
6
,
7
!¡
L291
5
(REC MODE)
(PLAY MODE)
(REC MODE)
6
IC702
%™
(A) C4M
— BD SECTION —
— PANEL SECTION —
— MAIN SECTION —
•
WAVEFORM
For schematic diagrams.
Note:
Note:
• 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.
•
%
: indicates tolerance.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
C
: panel designation.
•
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.
• Circled numbers refer to waveforms.
• Signal path.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
For printed wiring boards.
Note:
Note:
• X
: parts extracted from the component side.
•
®
: Through hole.
•
¢
: internal component.
• b
: Pattern from the side which enables seeing.
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