Read Sony HCD-GRX20 / HCD-RXD3 / MHC-GRX20 / MHC-RXD3 (serv.man2) Service Manual online
HCD-GRX20/RXD3
18
18
TUNER/CD SECTION
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
8
RF
MIX
1
4
FM FRONT END
FE101
RF IF
AMP
Q101
CF101
10.7MHz
CF102
10.7MHz
L105
MW OSC
IF
G
L104
AM ANT
AM RF
AMP
Q108
MPX
16
FM IF
1
OSC
23
AFC
22
AM RF
21
FM
IF
FM 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
DO1
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
VT
TP9
2
DATA
26
SENS2
19
LOCK
16.9344MHz
2
L MUTE
53
D OUT
DIGITAL
OUT
PH701
B
MAIN
SECTION
CLK
DATA IN
Q108
D553
8
AM/FM
PH DET
11
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(Page 17)
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