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HCD-RXD7AV
SERVICE MANUAL
Ver 1.1 2002. 03
HCD-RXD7AV is the Amplifier, CD
player, Tape Deck and Tuner section in
MHC-RXD7AV.
Manufactured under license from Dolby Laboratories
Licensing Corporation.
“DOLBY” and the double-D symbol a are trademarks
of Dolby Laboratories Licensing Corporation.
U.S and foreign patents licensed from Dolby
Laboratories Licensing Corporation.
CD CD Mechanism Type CX3
Section Base Unit Name KSM-213ECM
Tape deck Model Name Using Similar Mechanism HCD-RXD6
Section Tape Transport Mechanism Type CWL-44-RR
US Model
Canadian Model
Model Name Using Similar Mechanism HCD-RXD3
Optical Pick-up Name KSS-213ECM/C2NP
AUDIO POWER SPECIFICATIONS:
US model
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION :
with 6 Ω loads, both channels driven, from 70 - 20,000
Hz; rates 60 W per channel minimum RMS power,
with no more than 0.9% total harmonic distortion from
250 mW to rated output.
Amplifier section
Front Speaker :
Continuous RMS power output (reference)
70 + 70 W
(6 Ω at 1 kHz, 10% THD)
Total harmonic distortion less than 0.07%
(6 Ω at 1 kHz, 35 W)
Center Surround Speaker :
Continuous RMS power output (reference)
30 W
(6 Ω at 1 kHz, 1% THD)
Rear Surround Speaker :
Continuous RMS power output (reference)
30 + 30 W
(6 Ω at 1 kHz, 1% THD)
SPECIFICATIONS
Inputs
MD/VIDEO IN : voltage 450/250 mV,
(phono jacks) inpedance 47 kΩ
DVD INPUT
FRONT IN : voltage 450 mV,
(phono jacks) inpedance 47 kΩ
CENTER IN : voltage 450 mV,
(phono jacks) inpedance 47 kΩ
REAR IN : voltage 450 mV,
(phono jacks) inpedance 47 kΩ
WOOFER IN : voltage 450 mV,
(phono jacks) inpedance 47 kΩ
Outputs
MD/VIDEO OUT : voltage 250 mV
(phono jacks) impedance 1 kΩ
PHONES : accepts headphones of
(stereo phone jack) 8 Ω or more
FRONT SPEAKER : accepts impedance of
6 to 16 Ω or more
CENTER SPEAKER:accepts impedance of
6 to 16 Ω or more
SUPER WOOFER : Voltage 1 V, impedance
1 kΩ
MINI Hi-Fi COMPONENT SYSTEM
CD player section
System Compact disc and digital audio
system
Laser Semiconductor laser (λ=780nm)
Emission duration: continuous
Laser output Max. 44.6 µW*
*This output is the value
measured at a distance of 200
mm from the objective lens
surface on the Optical Pick-up
Block with 7 mm aperture.
Frequency response 20 Hz - 20 kHz (±0.5 dB)
Wavelength 780 -790 nm
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
CD DIGITAL OUT
(Square optical connector jack, rear panel)
Wavelength 600 nm
Output Level –18 dBm
Continued on next page
9-928-974-12
2002C1600-1
© 2002.03
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
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7-1. BLOCK DIAGRAMS
TUNER/CD SECTION
JK101
FM
AM
FM FRONT END
FE101
8RF MIX 1
OSC
VT
5
TUB+
L104
AM ANT
TC101
SECTION 7
DIAGRAMS
3
4
D105
TUB+
+12V
Q104
AM RF
AMP
Q103
CF101
10.7MHz
7.2MHz
X201
Q101
RF IF
AMP
TUB+
HCD-RXD7AV
FM/AM MPX
CF102
10.7MHz
L107
MW OSC
SFR101
FM
B+
TUNED
LEVEL
PLL
IC103
FM
PD1
FM B+
XO
XI
SD SPEED
SD IN
ST/MONO
AM/FM
IF IN
CLK
AM
DO
DI
CE
16
18
7
22
1
FM IF
1
MPX
16
FM OUT
19
OSC
23
AFC
22
AM RF
21
OSC/FMSD
24
15
10
11
9
8
12
DO
6
DI
4
CLK
5
CE
3
FM
IF
FM
DET
AM
DET
AGC
SMET
20
AM
OSCAMMIX
TU LED
ST MONO
12
6
11
IC102
PH DET
AM/FM
IF BUFF
AM
IF
FM DET
ST IND
AM/FM
MUTE
L
CF103
450kHz
13
R
14
R CH
Q109
MUTE
DECODER
CF104
8
10.7MHz
4
T102
AM IFT
2
7
10
TU L
ST IND
TU MUTE
DO
A
SECTION
(Page 20)
MAIN
• RCH is omitted
• SIGNAL PATH
:FM
:AM
:CD
16
OPTICAL PICK-UP
BLOCK
DETECTOR
7
8
4
1
2
5
6
10
LD
PD
FOCUS
COIL
TRACKING
COIL
GND
VR
SPINDOL
VC
A
C
B
D
E
F
LD
PD
F+
F
T+
T
M102
SLED
MOTOR
M101
MOTOR
T/T
MOTOR
TRAY
MOTOR
MUTE
PH701
DIGITAL
OUT
SCOR
SENS1
SQSO
XLAT
SQCK
CLK
DATA
SENS2
LOCK
DI
CLK
CE
DATA IN
STB
CD L
B
SECTION
(Page 20)
C
SECTION
(Page 20)
MAIN
MAIN
GEN.
PWM
PWM
15
SPOA
D OUT
L MUTE
XTA1
XTA0
53
NL
67
Q705,707
NR
74
R-CH
70
X701
16.9344MHz
71
2
CD RF/SERVO
PROSSESOR
+5V
VC
51
PD1
38
PD2
39
E
42
F
Q703
41
LD
36
APC
PD
PD
37
B+
REG
+5V
Q701
APC
F/T COIL
SL/SP MOTOR
T.T/TRAY MOTOR
DRIVER
IC703
2
F+
F IN
T IN
VCC
VCC
REG I
REG B
REG OUT
SL IN
SP IN
T.T F IN
T.T R IN
TR F IN
TR T IN
MUTE IN
6
5
8
7
9
10
11
22
21
13
12
29
28
27
1
F
3
T+
4
T
SL+
18
M
M
M
M
SL
17
SP+
19
SP
20
T.T+
14
T.T
15
TR+
30
TR
31
IC701 (1/2)
RF
AMP
FE
AMP
FOCUS PHASE
COMPENSATION
FEO TAO
6
IC701 (2/2)
14
16
IC705
67
COMAND
SERIAL/
PARALLEL
CONVERTER
DECODER
TRACKING PHASE
COMPENSATION
13
RFO
33
FOK
27
C OUT
IIL
TTL
TTL
IIL
SENS1
SENS2
DATA
XLT
CLK
XRST
LOCK
Q702
SWITCH
24
25
26
22
21
20
23
19
T.T/TRAY
MOTOR DRIVE
REG CONTROL
IC704
XRST
CONTROL
T.T+
T.T
TR+
TR
CONTROL
MUTE
CLOK
DATA
4
3
2
STB
1
6
11
7
14
13
12
5
RF
35
FOK
18
CIN
11
SE
10
DAT
12
XLT
13
CLK
14
79
XRST
MDP
21
CD DIGITAL
SIGNAL PROCESSOR
IC702
CLV
SERVO
DIGITAL
CLV
EFM
DEMO.
D/A
I/F
SUB CODE
PROSSESOR
CPU I/F
SQSO
XLAT
SQCK
CLOK
DATA
7 9 4 5 6 6257
8
SENS
SCOR
SERIAL
SYS M
I/F
CLOCK
S05
STOP
SWITCH
1919
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HCD-RXD7AV
MAIN SECTION
FRONT
REAR
CENTER
MD/VIDEO
CD
SECTION
(Page 19)
TUNER
SECTION
(Page 19)
CD
SECTION
(Page 19)
SW
DECK A
HP901
DECK B
HRP901
REC/PB
HE901
ERASE
HEAD
HEAD
HEAD
JK301
L
R
L
R
L
R
B
PB
A
C
R CH
REAR
R CH
R CH
CD L
R CHR CH
TU L
ST IND
TU MUTE
DO
DATA IN
SCOR
SENS1
SQSO
SENS2
XLAT
SQCK
CLK
DATA
LOCK
DI
CLK
CE
STB
R CH
Q203, 205
Q207
Q207
PLAY/REC
CONTROL
PLAY/REC
CONTROL
DRIVE
16
D202
11
L
SL
C
S
M
M
REC/PB EQ AMP
IC201
62
SDATA IN
VR UP
52
VR601
VOLUME
28
TU MUTE
FM ST IND
53
A/B
REC OUT
AMS
Q210,211
VR DOWN
B
PB OUT
TAPE A/B
6
37
AMS
A
CD ENCODER
5
19
11
10
CD ENCODER A54CD ENCODER B
55
B
VR602
17
PIC UP46PIC DOWN47TRAY OPEN50TRAY CLOSE
S01
CD DECK
UP/DOWN
3
1
2
L201
BIAS OSC
Q251
Q201
PLAY/REC
CONTROL
Q208,209
D201
MUTE
DI
CE
CLK
21CE25
27
24
22
LOCK
X601
10MHz
20
13
XLAT
DATA
CLOK
SQCK
XTAL40XTAL
12
STB
SCLK
SDATA OUT
39
9
R CH
Q252,253
BIAS
SWITCH
BIAS
OSC
23
42
4
SENS2
SQSO
SENS1
26
SCOR
A
43
15
DATA
CLOCK
S02
TRAY
OPEN/CLOSE
LINE AMP
IC301
CD (L)
11
14
MD (L)
13
TAPE (L)
12
TUNER (L)
1
SDA
30
SCL
Q213
MUTE
BUS REGISTER
13
REC MUTE
11
A/B
12
BIAS
14
REC
10
Q'S
1
STB
DI
2
DI
CLK
3
CLK
SHIFT REGISTER
CLK
2
CK
1
S/L
9
QH
DI
CLK
10
9
18
S/L
DATA IN
DISC COUNT
51
48
S03
DISC
COUNTER
6L OUT
15MUX OUT/L
IN L
16
IC602
SOL B
IC603
B REC FWD
B REC REV
PHOTO A
PHOTO B
A MODE SW
A HALF
B HALF
LED DRIVE
IC702
2
3
4
LATCH
SYSTEM CONTROLLER/
FLD DRIVER
IC601
TURN TABLE
49
S04
TURNTABLE
OPERATION
11
12B MODE SW
13
14
15
11
4PLAY
5SOL A
6
3
4
5
6
5
9
L
+12V
IC308
Q608,611
M+12V
SWITCH
Q610,613
SOL A
DRIVE
Q609,612
SOL B
DRIVE
SFR501
MOTOR H/L
Q703-708
LED
DRIVE
2 1
4
LED705
LED714-718
13
3
5
MECHA BLOCK
LED701-703
KI0 KI2
MATRIX
S701-714
S718-728
S731-736
59
DOLBY NR
Q317
BUFFER
R CH
DET
32
IC304
VACS
33
SPEANA 1
SPEANA
34
Q303
AMP
Q381
KEY
R CH
35
SPEANA 3
SPEANA 2
Q602
SWITCH
36
SPEANA 4
38
RESET
RESET
L
C
SL
SW
57
DOLBY ON/OFF
D419
Q308 Q310
D418
Q601
R CH
DBFB
DATA
SCK
19
58
16
CE
LATCH
DOLBY HI
POWER DOWN6REMOTE
RM601
POWER
DOWN DET
VCC
IC305
DBFB
DOLBY PROLOGIC
SURROUND DECODER
IC302
SVOLOUT
1
LOUT
CVOLOUT
LIN
72
74
LTIN
CIN
76
SLIN
77
79
SWIN
80
VRSWIN
22
DATA
23
SCK
24
REQ
SWVOLOUT
LED DRIVE
IC701
R MUT
C MUT
DI
2
CLK
3
4
8
2
REMOTE
CONTROL
RECEIVER
Q319
FLD601
FLD DISPLAY
IC502
POWER
10 6
AMP
IC501
POWER
12 8
AMP
IC501
POWER
18 20
AMP
MUTE
IC304
Q407
61
MD MUTE
G1 G13
.
21.100 90
D305
Q301
MUTE
Q511
OVER LOAD
DETECTOR
Q503
OVER LOAD
DETECTOR
Q581
OVER LOAD
DETECTOR
MUTE
R CH
MUTE
63
64
60
2CH OUT
POWER SW
SYSTEM MUTE
R CH
REAR
R CH
Q419
Q321
Q603,604
MUTE
SWITCH
Q515
OVER LOAD
DET SWITCH
Q516,RH501
OVER HEAT
DETECTOR
Q505
OVER LOAD
DET SWITCH
Q411
D417
+VCC2
-VCC2
+VCC1
-VCC1
AU +12V
CD +7.5V
+5.6V
µCON B+
CD +5V
TU +5V
-27V
-12V
+12V
D305
D515
D516
D510
PROTECT
1 6
IC503
Q320
Q510
SWITCH
D602
D601
Q415
RELAY
DRIVE
Q414
RELAY
DRIVE
Q416
RELAY
DRIVE
D402
RECT
D403
RECT
D501-504
RECT
RL402
Q508
FAN
DRIVE
Q305
• RCH is omitted
• Signal Path
RL403
AC4.8V
AC4.8V
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
: FM
: CD
: MD
Q403
Q405
+7.5V
SWITCH
Q502
+7.5V
Q401
+5.6V
Q103
SITCHING
PROTECTOR
D512
Q509
AC OFF
-12V
REG
REG
REG
Q413
DET
Q412
SWITCH
Q517
CONTROL
FAN
Q406
-27V
REG
Q501
+12V
REG
DET
4
RL401
IC306
Q513
MUTE
IC303
9
3
17
15
16
14
.
13
.
5
10
12
11
Q313
Q312
LED706-713
Q701,702
DRIVE
LED
IC304
P1 P24
65 8829 31
Q522
MUTE
Q520
MUTE
REAR
R CH
LED704
R CH
R CH
REAR
R CH
R CH
+12V
T001
JK401
JK402
JK303
L
R
L
R
FAN
L
R
AC
IN
SPEAKER
REAR
CENTER
JK403
PHONES
SUB WOOFER
MD/VIDEO
2020
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HCD-RXD7AV
7-4. SCHEMATIC DIAGRAM TUNER SECTION
• Refer to page 21 for Note on Schematic Diagrams. • Refer to page 39 for IC Block Diagrams.
C127
10µ 50V
47µF
16V
C120A
0.022µ
9
2323