Block Diagram (Cd830) - Sony ICF-CD830 Service Manual

5-2. BLOCK DIAGRAM (CD830)

MAIN BOARD
ANT1
BPF1
1 B.P.F
(FM ANTENNA)
L2
CT2
FM RF
FM
TRACKING
L3 CT3
FM
FM OSC
FREQUENCY
COVERAGE
L1
AM FERRITE-ROD
ANTENNA
AM
TRACKING
CT1
L4
AM
AM OSC
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
3 18 FM RF IN
CF3
10.7MHz
MIX OUT 16 13 FM IF
21 REG
T1
CV1-2
AM IFT
20 FM RF OUT
CF2
455kHz
AM IF
14
CV1-3
AM
22 FM OSC
IF
DISCRI
26
CF1
15 BAND
AM RF
19
S1
CV1-1
FM
VCO 27
RV1
FM AM
CV1-4 VCO
24 AM OSC
TU +B
CT4
DIGITAL SERVO
DIGITAL SIGNAL PROC.
RF AMP D/A CONV.
IC501 IC551
51 VC RFO 33 35 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- X551
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
MUTE
Q151
BUFFER
R OUT 5
Q231
MUTE
MUTE
CONT
Q251
Q351
BUFFER
Q101
BUFFER
Q201
SYSTEM CONTROL
IC401
A MUTE 77
BUZZER 53
POWER ON 79
LCD401
LIQUID CRYSTAL
DISPLAY PANEL
SEG0 11
+B SW
+5V
Q1 26
SEG15
80 RADIO ON
COM0 7
10
COM3
33
KEY0
47
KEY12
ALM-CD LED 58
ALM-RADIO LED 59
ALM-BUZZER LED 60
RESET
56 C DATA RESET 67
IC402 IC402
54 C CLOCK
55 C LATCH
62 C SQCK
52 C SCOR
61 C SQSO
50
C SENS
63
C MUTE
AC IN 49
CD ON 57
51 C SENS2
64 C RST
75 DOOR IN
11 11
RV351
VOLUME
SP101
11 3
L
POWER AMP
IC371
SP201
12 5
R
8
KEY BOARD
S601-613
FUNCTION
KEY
D653
D652
D651
D401-402
D903
D904
+B SW
CD +B
Q551
TRANSFORMER
BOARD
REG T901
+5V
POWER
Q901
TRANSFOMER
D905-908
REG
M +6V
Q903
• Signal Path
ICF-CD830/CD830L
(SPEAKER)
LED
BOARD
AC
IN
: FM
: AM
: CD