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5
5
HCD-RG55/RG55S
: FM
: CD
• Signal Path
: DIGITAL OUT
• R-CH is omitted due to same as L-CH.
A
MAIN
SECTION
D
MAIN
SECTION
C
SECTION
B
MAIN
SECTION
MAIN
SECTION
E
RDS DATA
10
RDS CLK
29
CE
93
CLK
97
DATA
95
DATA IN
96
STEREO
81
TUNED
82
MASTER CONTROL
IC801(1/3)
DO
CL
CE
DI
L-CH
TBL ADDRESS
SENSOR
79
CD SENSOR
IC711
80
PIC UP/DOWN SW
88
OPEN SW
4
CLOSE SW
(OPEN/CLOSE)
S701
(UP/DOWN)
S711
FM 75Ω
G
AM
JK101
ANT IN
8
1
IF OUT
3
OSC OUT
4
VT
FE101
EXCEPT AEP,UK
ANT IN
1
7
IF OUT
5
VT
FE101
AEP,UK
+B
TU+12V
Q102
FM
10
FM OSC
16
A OUT
20
A IN
19
PD
18
PLL
IC102
7
FM
12
FM/AM IF
8
IF REQ
6
DO
4
DI
5
CL
3
CE
XIN
1
XOUT
22
X101
4.5MHz
RF IF
AMP
AMP
Q101
CF101
CF102
DO
DI
CL
CE
2
1
5
10
7
6
11
12
RB101
2
AM MIX OUT
AM/FM
11
IF REQ MUTE
10
AM RF IN
21
AM OSC
23
REQ
3
FM IF
1
AM/FM IF MPX
IC101
13
L OUT
14
R OUT
MUTE
Q103
4
AM IF IN
IFT101
R-CH
6
TUNED
7
STEREO
24
OSC FM SD
RV101
DI
JR111
Q105
MUX
4
XO
14
XI
13
2
DATA
16
INT
RDS
IC103
AEP,UK
X102
4.332MHz
3
9
TU+12V
4
AFC
22
18
DECODER OUT
17
PLL IN
JR609
OPTICAL PICK-UP
BLOCK
LD
DRIVER
Q731
+5V
LD
GND
FOCUS
COIL
F+
F
T+
T
TRACKING
COIL
IC781
FCS/TRK COIL
SL/SP MOTOR
SL/SP MOTOR
DRIVER
SLED/SPINDLE SERVO
RF AMP
IC731
1
25
2
27
26
VR
PD
11
12
18
17
3
CH1IN A
9
20
7
MUTE
CH1OUT A
M
M
M02
(SLED)
M01
(SPINDOL)
S01
(LIMIT)
41
RF SM
VR
58
VCC
VC
A
B
C
D
E
F
DETECTOR
FOCUS/TRACKING/
FIN 1
FIN 2
E
3
F
4
LDD
62
LDS
63
FD
16
TO
15
SLD
29
SPD
27
52
DATA
50
CLK
51
CL
53
CE
34
TGL
54
DRF
39
CV-
40
CV+
Q775
30
SL-
31
SL+
35
TOFF
44
SLI
49
DEF
36
TES
37
HFL
33
JP+
32
JP-
DIGITAL SIGNAL
PROCESSOR
IC751
EFMI
10
EFMO
9
DEF
1
TES
16
HFL
15
JP+
19
JP-
20
COIN
56
4.2M
61
CQCK
57
RWC
54
TGL
18
TOFF
17
SHUTER I/O
28
CLV+
12
CLV-
13
LIMIT SW
27
53
WRQ
55
SQOUT
3
PDO
45
XI
44
XO
X701
16.9344M
37
L CH
40
R CH
R-CH
58
RESET
D732
IC701
MOTOR
DRIVER
DRIVER
9
7
M
4
2
CD-L
2
1
38
SLOF
RF GAIN
24
4
D MUTE
26
Q774
Q771
MUTE
22
CD MOTOR+
21
CD MOTOR-
M721
(TURN)
CH1OUT B
CH4OUT A
CH4OUT B
CH2OUT B
CH2OUT A
CH3OUT B
CH3OUT A
CH1IN B
CH4IN A
CH2IN A
CH3IN A
31
D OUT
DIGITAL
OUT
(OPTICAL)
PH671
MUTE
18
IC804
MOTOR DRIVE
26
DI1
SL+
19
SL-
20
CD RESET
23
3
CLK
4
LATCH
16
DI2
15
DO1
14
CLK
13
LATCH
DI2
DO1
CLK
LATCH
LED601,602.604-608
6
12
MAIN
TU MUTE
WRQ
6
SQOUT
99
COIN
SQCK
100
CD RWC
5
CD DRF
8
DI2,DO1,CLK,LATCH
LATCH
91
CLOCK
94
DATA
CLOCK
98
2. BLOCK DIAGRAM — CD, TUNER SECTION —
(Page 6)
(Page 6)
(Page 6)
(Page 6)
(Page 6)
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