Block Diagram (Cd830L) - Sony ICF-CD830 Service Manual

ICF-CD830/CD830L

5-3. BLOCK DIAGRAM (CD830L)

MAIN BOARD
ANT1
(FM ANTENNA)
CT2,L2
FM
TRACKING
L3,CT3
FM
FREQUENCY
L1 COVERAGE
MW/LW FERRITE-ROD
ANTENNA
CV1-1
L1-1
L1-1,CT1
(MW)
MW TRACKING
CT1
L1-2
(LW) CT5
L1-2,CT5
LW TRACKING
L4
MW/LW
CV1-4
L4,CT4
OSC
MW
FREQUENCY
COVERAGE CT4
CT6
CT6
LW
FREQUENCY
COVERAGE
OPTICAL PICK-UP
BLOCK
(KSS-213C)
VC
+5V
A
B
C
D
E
F
Q501
LD LD
DRIVE
GND
PD
VR
F+
FOCUS
COIL
F-
T+
TRACKING
COIL
T-
MOTOR(6P)
BOARD
M571
SLED
M
MOTOR
M572
SPINDLE
M
MOTOR
S570 LIMIT
SW
S401
DOOR SW
FM/AM
FRONT- END
IC1
BPF1
FM RF IN
1 B.P.F 3 18
CF3
10.7MHz
MIX OUT
16
21 REG
T1
L2 CT2 CV1-2
AM IFT
FM RF OUT
20
CF2
FM RF
455kHz
L3 CT3
CV1-3
AM
22 FM OSC
IF
FM OSC
DISCRI 26
CF1
AM RF
19
VCO 27
RV1
FM
VCO
24 AM OSC
TU +B
Q2,Q3
FM
S1-1 S1-2
MW
LW
DIGITAL SERVO
DIGITAL SIGNAL PROC.
RF AMP D/A CONV.
IC501 IC551
51 35
VC RFO 33 RF L OUT1 67
RFI 32 A OUT1 65
38
PD1
39 PD2 L OUT2 74
A OUT2 76
DATA 22 12 DATO
42 E CLK 20 14 CLKO
41 F XLT 21 13 XLTO
FOK 27 18 FOK
36 LD COUT 24 11 CIN DATA 7
SENS1 25 10 SEIN CLK 9
16 SLO
SENS2 26 XLAT 8
13 TAO
SQCK 4
6
FEO
XRST 23 SCOR 57
37 PD SQSO 5
SENS 6
MOTOR/COIL DRIVE
IC591
SMUTE 62
26 F+
F IN 25
27 F-
17 T+
XTAI 71
18 T-
16.9344MHz
XTAO 72
19 T IN
3 SL IN
2 SL+
1 SL-
XRST 79
12 SP+ SP IN 15 21 MDP
XLON MUTE 17
11 SP- MUTE 7 15 SPOA(LIMIT)
BUFFER
L OUT 6
Q131
BUFFER
R OUT 5
Q231
FM IF
13
MUTE
CONT
Q351
BUFFER
Q101
AM IF
14
BUFFER
Q201
SYSTEM CONTROL
IC401
15 BAND A MUTE 77
BUZZER 53
POWER ON 79
LCD401
LIQUID CRYSTAL
DISPLAY PANEL
SEG0 11
+B SW
+5V
Q1 26
SEG15
80 RADIO ON
7
COM0
COM3 10
KEY0 33
47
KEY12
ALM-CD LED 58
ALM-RADIO LED 59
ALM-BUZZER LED 60
56 C DATA RESET 67
54 C CLOCK
55 C LATCH
62 C SQCK
52 C SCOR
61 C SQSO
50 C SENS
63
C MUTE
AC IN 49
X551
CD ON 57
51 C SENS2
64 C RST
75 DOOR IN
12 12
RV351
VOLUME
11 3
POWER AMP
MUTE
IC371
Q151
12 5
8
MUTE
Q251
D401-402
RESET
IC402 IC402
D903
D904
+B SW
CD +B
Q551
TRANSFORMER
REG
+5V
Q901
D905-908
REG
M +6V
Q903
SP101
L
(SPEAKER)
SP201
R
KEY BOARD
S601-613
FUNCTION
KEY
D653
D652
LED
BOARD
D651
BOARD
T901
POWER
TRANSFOMER
AC
IN
• Signal Path
: FM
: MW/LW
: CD