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HCD-GRX3/RX55/R300
— TUNER/CD SECTION —
— 17 —
— 18 —
CE
19
12
5
3
4
2
24
1
PLL
IC103
FM
XO
XI
CLK
DI
DO
CE
CLK
DO
DI
OPTICAL PICK-UP
BLOCK
APC
Q01
38
+5V
VC
LD
GND
A
C
B
E
F
FOCUS
COIL
F+
F
T+
T
TRACKING
COIL
33
34
39
36
35
48
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
24
23
20
19
22
21
31
25
SENS
RFO
FOK
C OUT
DATA
XLT
CLK
XRST
13
FEO
TAO
IC03
T.T/TRAY MOTOR
DRIVER
CD RF/SERVO
PROSSESOR
IC01 (1/2)
4
5
T IN
3
2
1
VR
PD
PD
18
17
20
19
6
F IN
22
SL IN
13
T.T F IN
F+
F
T+
T
SL+
SL
SP+
SP
M
M
MOTOR
M102
SLED
MOTOR
M101
SPINDOL
EFM
DEMO.
XRST
CLV
SERVO
DIGITAL
CLV
D/A
I/F
SUB CODE
PROSSESOR
CPU I/F
9 11 5
4
7
6
1
MDP
SENS
SCOR
SQSO
SQCK
CLOCK
D
ATA
CLK
XLT
DAT
SE
CN
FOK
RF
SERIAL
I/F
PWM
PWM
61
70
69
73
74
D OUT
NL
L
XTA1
XTA0
X701
MUTE
VDD
R-CH
D IN
GND
2
3
1
+5V
OPTICAL
DIGITAL
OUT
PH01
CD DIGITAL
SIGNAL PROCESSOR
IC703
16
:FM
:CD
:DIGITAL OUT
• SIGNAL PATH
14
7
8
4
2
1
6
10
DETECTOR
16
OSC
FM
75
Ω
AM
ANTENNA
JK101
D105
L101
FM ANT
L102
FM RF
3
1
RF
MIX
6
8
FM FRONT END
IC101
RF IF
AMP
Q101
CF101
10.7MHz
T101
CF102
10.7MHz
FM OSC
AMP
Q102
D106
L103
L105
MW OSC
IF
G
VT
AM/FM
TUNING
VOLTAGE
TP1
L104
AM ANT
AM RF
AMP
Q108
MPX
16
FM IF
1
OSC
23
AFC
22
AM RF
21
FM
IF
AF DET
18
FM
DET
AM/FM
IF BUFF
AM
OSC
AM
MIX
AM
DET
SMET
20
CF103
450kHz
MUTE
AGC
AM
IF
DECODER
14
L
15
R
4
2
T102
AM IFT
8
FM DET
17
MPX VCO
CF104
10.7MHz
CF105
19kHz
R CH
FM/AM MPX
IC102
L.P.F
Q112,113
FM
TUNED
LEVEL
PD1
21
X101
7.2MHz
FM B+
17
TUB+
B+
Q114
PL
DET
13
18
AM
OSC/FMSD
24
B+
7
SD
PH DET
11
PH DET
12
14
ST/MONO
TU LED
6
13
AM/FM
SD
15
L CTR
16
R CTR
7
ST IND
10
AM/FM
MUTE
Q117
TU L
ST IND
TU MUTE
DI
A
MAIN
SECTION
D
5
LD ON
SWITCH
Q02
LD
PD
F/T COIL
SL/SP MOTOR
CN12
CN2
ATSC
45
FEO
1
TEO
42
FOCUS
TRACKING
37
40
FE BIAS
EI
RV01
FOCUS
GAIN
RV02
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
IC06
IC01 (2/2)
6
7
REG
Q11
9
REG I
10
REG B
11
REG OUT
7
VCC
8
VCC
+5V
+7.5V
XRST
6
SPEED
11
CONTRL
5
SWITCH
Q04
13
14
TR+
TR
7
14
T.T+
T.T
4
MUTE
2
DATA
3
CLOK
1
STB
IC02
MOTOR DRIVE
REG CONTROL
T.T/TRAY
36
23
14
13
15
16
17
8
25
18
SPOA
LIMIT
SWITCH
S05
10
XLA
T
CLOCK
GEN.
PWM
PWM
77
78
NR
R
22
XLON
1
3
2
IC05
MIX AMP
MUTE
Q311
CD L
SCOR
SENS
SQSO
XLAT
SQCK
DATA
CE
STB
CLK
DO
B
MAIN
SECTION
(Page)
:AM
• R CH is omitted
SFR101
COUNT
FOK
CLK
DO