Block Diagrams; Tuner/Cd Section - Sony HCD-RG4SR Service Manual

HCD-DX10/RG4SR/RG20/RG30T
Q Q

5-2. BLOCK DIAGRAMS

3 7 6 3 1 5 1 5 0

TUNER/CD SECTION

EXCEPT RG20:AEP,UK
JK101 FND1
1 ANT IN IF OUT 7
FM 75Ω OSC OUT 8
VT 5
G
AM
RG20:AEP,UK
FND1
1 ANT IN IF OUT 7
OSC OUT 8
VT 5
RB101 13
1 4
5 5
3
2 12
OPTICAL PICK-UP
BLOCK
(KSM-213-DCP/Z-NP)
DETECTOR
T E
L 1 3 9 4 2 2 9 6 5 1 3
VCC +5V
VC
A
B
C
D
E
F
Q731
LD
LD
DRIVER
GND
PD
VR
FCS/TRK COIL
SL/SP MOTOR
DRIVER
IC781
F+
1 CH1 OUTA
FOCUS
CH1 INA
3
COIL
F
2 CH1 OUTB
CH1 INB 4
T+
27 CH4 OUTA
TRACKING
CH4 INA
25
COIL
T
26 CH4 OUTB
11 CH21 OUTB
SLED M CH2 INB
9
MOTOR w w w
12 CH2 OUTA
18 CH3 OUTB
SPINDLE M CH3 INB 20
MOTOR
17 CH3 OUTA
MUTE
7
S01
LIMIT
Q101
CF101 CF102
RF IF
AMP
Q102
+B TU+12V
PLL
IC102
10 FM FM/AM IF 12
FM 7
1 XIN AM OSC 14
CX101
VCO STOP 2
4.5MHz
24 XOUT IF REQ 8
DI
15 FM OSC DO 6
DO
18 VT1 IN DI 4
CLK
VT1 CL 5
17
CE
19 PD1 CE 3
14
11 15 9
6 7
ASP
IC731
58 VR RF SM 41
2 FIN 1 SLI 44
1
FIN 2 DEF 49
TES 36
HFL 37
3 E
4 F JP+ 33
JP- 32
CV+ 40
62 LDD
CV- 39
TOFF 35
SLOF 38
DATA 52
63 LDS CLK 50
CL 51
CE 53
TGL 34
DRF 54
16 FD
15 TO
29 SLD
x a o
SL+ 31 y
27 SPD SL- 30
. i
Q775
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AM/FM IF MPX
IC101
1 FM IF L OUT 11
R OUT 10 R-CH
AM IF IN 18
IFT101
AM MIX OUT 19
AM IF
9 IF OUT
12 AM/IF FM SD ADJ 3
RV101
24
AM OSC
FM TUNED
13 VCO STOP
LEVEL
8 IF REQ MUTE
+6.8V
T101
NULL
FMDET 5
20 AM RF IN
22 TUNED
AM OSC 6
STEREO 7
23 V REG
DSP
IC751
Q Q
3 7 6
10 EFMI L CH 37
9
EFMO R CH 40 R CH
Q771,773
1 DEF
D733
L MUTE 35 MUTE
16 TES
D735
15 HFL
19
JP+
20 JP- WRQE 53
SQ0UT 55
12 CLV+
13 CLV-
17 TOFF
14 VP XI 45
X701
16.9344M
56 COIN
XO 44
61 4.2M
57
CQCK
54 RWC
18 TGL
RESET 58
28 SHUTER IN/OUT
26 D MUTE
PDO 3
27 LIMIT SW
D732
u 1 6 3
16 16
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2 4
8 9 9
L-CH • R-CH is omitted due to same as L-CH
A
• Signal Path
MAIN
Q106
SECTION : FM
MUTE
: CD
DO,CLK
C
MAIN
SECTION
MASTER CONTROL
IC601(1/2)
10 TUNED
9 TU STEREO
77 TUNER MUTE OUT
DO
LC72131 BU2114 DO
95
DI
96 LC72131 DI
CLK
97 CLK
CE
93 LC72131 CE
3 1 5 1 5 0 8 9 2
CD-L
B
MAIN
SECTION
6 CD A MUTE
7 CD WRQ
99 SQOUT
CD NUMBER SENSOR
3 CD RESET OUT
CD TRAY OPEN SW
CD TRAY CLOSE SW
CD PIC UP/DOWN SW
98 COIN
100 SQCK
2 CD RWC
m
8 CD DRF
c o
5 CD SL+
4 CD SL-
.
2
8 9 9
4 9 8 2 9 9
IC701
CD MOTOR + 73 9 4
M721
MOTOR
M TURN
DRIVE
MOTOR
CD MOTOR- 74 7 2
IC711
TBL ADDRESS
68
SENSOR
70
S701
OPEN/CLOSE
71
S711
69 BU UP/
DOWN