Read Sony ICF-CD543RM Service Manual online
ICF-CD543RM
18
18
25
22
20
16
18
12
19
20
11
FM
RF AMP
FM/TV
LPF
MPX
DECODER
TV/FM
OSC
AM/FM: 1/2
TV: 1/8
PHASE DETECTOR
CHARGE PUMP
DATA SHIFT REGISTER
LATCH
FMIN
MPXI
R-CH
ARFI
150kHz
DETO
45kHz
FMRO
TVRO
AMLO
FTLO
FMIN
60
POWER ON
52
BUZZER
79
A MUTE
80
KITCHEN LED
AMIN
29
IFCT
12
BAND
1
VCO
TV/FM/AM RF AMP,
MIX, OSC, DET, MPX
IC1
FM/AM PLL
IC51
SYSTEM CONTROLLER
IC401 (2/2)
RV1
AM IF
RV2
FM STEREO
D4
VT
AM
OSC
FM
LMT
FM
DET
AGC
AMP
AM
BPF
19
REGV
24
TV
RF AMP
TVIN
FM/TV ANT IN
(from AC line)
(from AC line)
CT3, L4
CT2, L3
CT1, L1
L3
FM RF
CT2
BPF1
AM TRACKING
BPF
L1
AM
FERRITE-ROD
ANTENNA
L2
AM OSC
X51
75kHz
AM
RF AMP
26
L5
FM/TV OSC
CT1
L4
TV RF
CT3
D3
D2
(1/2)
D2 (2/2)
D5
+
+
35
LOUT
3
L OUT 3
STANDBY
8
L IN
12
36
BUFFER
Q101
OSC BUFFER
Q1
AM VCO
VOLTAGE
FM/TV VCO
VOLTAGE
FM/TV (2 – 6CH)
TRACKING
AMP
IC301
BUFFER
Q102
MUTING
Q151
LEVEL SHIFT
Q671
5V
R-CH
R-CH
R-CH
R-CH
Q351
S691
OFF
LOW
HIGH
MEGA BASS
BASS BOOST
CONTROL
Q111, 112
LOW-PASS
FILTER
Q51, 52
STANDBY
SWITCH
Q371, 372
LIQUID CRYSTAL DISPLAY
LCD401
POWER AMP
IC371
VOUT2
DATA
4
CLOCK
5
VIN2
8
7
ELECTRICAL
VOLUME
IC331
CD-L
D404
SP101
(L-CH)
(L-CH)
SP201
(R-CH)
PSN
REGULATOR
VCO
BAND SELECT
Q2
15
PD
5
BO1
6
BO2
PSN
SWALLOW
COUNTER
1/16, 1/17, 4BITS
12BITS
PROGRAMMABLE
DIVIDER
CCB
I/F
XT2
XT1
R CLK
R DATA IN
R CE
X2
X1
CLK
2
3
1
40
ENCODE–
48
RC
39
ENCODE+
63
64
62
DI
XIN
XOUT
CE
70
71
X402
32.768kHz
74
75
X401
4.19MHz
59
VR CLOCK
58
VR DATA
A
(Page 17)
KEY0 – KEY2
42 – 44
COM0 – COM3
6 – 9
SEG0 – SEG15
10 – 25
S401 – 417
: CD PLAY
: FM
: TV (US model only)
: AM
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
(US)
(US)
TIMER
PUSH START/STOP
ROTARY
ENCODER
S403
REMOTE CONTROL
RECEIVER
IC403
SIRCS BUFFER
Q401
76
RESET
77
CD ON
RADIO ON 78
49
AC IN
B+ SWITCH
Q301
+6V
REGULATOR
Q952
+5V
REGULATOR
Q951
+3.3V
REGULATOR
Q953
T901
POWER
TRANSFORMER
(AC IN)
RECT
D917 – 919
VT
FM/TV ANT IN
5V
MOTOR 6V
TU 3.3V
CD 3.3V
RECT
D915, 916
RECT
D911 – 914
B+ SWITCH
Q302
3.3V
D301
RESET SIGNAL
GENERATOR
IC402
D971
U-COM 3.3V
D401 – 403
LCD BACK
LIGHT
AMP B+
U-COM 3.9V
+
+
R-CH
D371
TV (7 – 13CH)/
WEATHER (1 – 7CH)
TRACKING
5-2.
BLOCK DIAGRAM – MAIN Section –
Click on the first or last page to see other ICF-CD543RM service manuals if exist.