Block Diagrams -Tuner Section - Sony HCD-RG66 Service Manual

HCD-RG66
Q Q
5-2. Block Diagrams –TUNER Section–
3 7 6 3 1 5 1 5 0
EXCEPT AEP,UK
JK101 FE101
1 ANT IN IF OUT
FM 75Ω OSC OUT
G
AM
AEP,UK
FE101
1
ANT IN IF OUT
OSC OUT
RB101
2
5
OPTICAL PICK-UP
BLOCK
DETECTOR
VCC +5V
VC
A
B
C
D
E
F
Q731
LD
LD
T E DRIVER
L 1 3 9 4 2 2 9 6 5 1 3
GND
PD
VR IC781
FCS/TRK COIL
SL/SP MOTOR
DRIVER
F+
1 CH1OUT A
FOCUS
CH1IN A
3
COIL
F
2 CH1OUT B
CH1IN B 4
T+
27 CH4OUT A
TRACKING
CH4IN A 25
COIL
T
26 CH4OUT B
CH2OUT B
11
(SLED) M CH2IN A 9
12 CH2OUT A
18 CH3OUT B
(SPINDOL) M CH3IN A 20
CH3OUT A
17
MUTE 7
S01
(LIMIT)
• R-CH is omitted due to same as L-CH.
w w w
• Signal Path
: FM
: CD
: DIGITAL OUT
Q101
CF101 CF102
RF IF
7 1
AMP
8
JR609
VT 5
Q102
+B TU+12V
IC102
PLL
10 FM
7 FM 7 11
JR111
8 16 FM OSC
VT 5 20 A OUT
FM/AM IF 12
19 A IN
IF REQ 8 10
18 PD
DO
DO 6
DI DI
1 XIN DI 4
X101 CL
CL 5
4.5MHz
CE
CE 3
22 XOUT
21
1 6 9
12
23
22
11
TU+12V 3
4
3 7 10
IC731
FOCUS/TRACKING/
SLED/SPINDLE SERVO DIGITAL SIGNAL
RF AMP PROCESSOR
10 EFMI
RF SM 41
58 VR
SLI 44 9 EFMO
1
2 FIN 1 DEF 49 DEF
1 FIN 2
TES 36 16 TES
15 HFL
HFL 37
3 E JP+ 33 19 JP+
4 JP- 20 JP-
F 32
CLV+
CV+ 40 12
62 LDD
CV- 39 13 CLV-
TOFF 35 17 TOFF
SLOF 38 24 RF GAIN
63 LDS DATA 52 56 COIN
CLK 50 61 4.2M
57 CQCK
CL 51
CE 53 54 RWC
18
TGL 34 TGL
16 FD
DRF 54
15 TO
SL+ 31
29 SLD
SL- 30
27
SPD
Q775
28
SHUTER I/O
26 D MUTE
27 LIMIT SW
x a o
. i
http://www.xiaoyu163.com
IC101
AM/FM IF MPX
L-CH
A
FM IF L OUT 13
MAIN
Q103
R OUT 14 R-CH SECTION
MUTE
AM IF IN 4
IFT101
AM MIX OUT 2
AM/FM OSC FM SD 24
SFR101
AEP,UK
IF REQ MUTE
IC103
RDS
Q105
DECODER OUT 18 4 MUX
PLL IN 17 DATA 2
14 XO
INT 16
X102
4.332MHz
13 XI
AM RF IN
AM OSC TUNED 6
AFC STEREO 7
REQ
TU MUTE
C
IC751
PH671
DIGITAL
D OUT 31 OUT
(OPTICAL)
CD-L B
L CH 37
R CH 40 R-CH
Q774
Q771
MUTE
Q Q
3 7 6
XI 45
X701
16.9344M
XO
44
WRQ 53
SQOUT 55
PDO 3
D732
RESET 58
IC804
MOTOR DRIVE
18 MUTE DI1 26
CD RESET CLK 3
23
19 SL+ LATCH 4
20 SL-
DI2
u 1 6 3 DI2 16
y
DO1
DO1 15
LED601,602.604-608 CLK
CLK 14
LATCH
6 LATCH 13
12
7
CD MOTOR+ 22
CD MOTOR- 21 9
20 20
http://www.xiaoyu163.com
2 4
8 9 9
DATA MAIN
D
SECTION
CLOCK
IC801(1/3)
MASTER CONTROL
10 RDS DATA
29
RDS CLK
82 TUNED
81 STEREO
MAIN
SECTION
94 CLOCK
DO
96 DATA IN
DI
95 DATA
CL
97 CLK
CE
93 CE
91 LATCH
MAIN
SECTION
IC711
TBL ADDRESS
3 1 5 1 CD SENSOR 5 79 0 8 9
SENSOR
OPEN SW 88
S701
(OPEN/CLOSE)
CLOSE SW 4
PIC UP/DOWN SW 80 S711
(UP/DOWN)
6
WRQ
99 SQOUT
98 COIN
100 SQCK
5 CD RWC
8 CD DRF
m
DI2,DO1,CLK,LATCH MAIN
E
c o
SECTION
.
IC701
4
MOTOR M721
M
DRIVER (TURN)
2
2
8 9 9
2 4 9 8 2 9 9