Schematic Diagram - Main/Panel Section - Sony ICF-M1000 Service Manual

5-2. SCHEMATIC DIAGRAM – MAIN/PANEL Section –
LCD401
LIQUID CRYSTAL DISPLAY
1
D501
SDPW50H0C0000-JP R501
220
R502
220
20
D502
SDPW50H0C0000-JP
D501,502
(LCD BACK LIGHT)
4 1
4 1
S103
RADIO/LINE IN
S102
POWER
S101
BAND/CLOCK
(Page 13)
ICF-M1000
• See page 9 for Waveform.
CN403
20P
COM0
COM1
COM2
COM3
LCD0
JW402
LCD1
LCD2
LCD3
W403
LCD4
C402
0.01
LCD5
LCD6
LCD7
LCD8
LCD9
JW411 BAND
JW409 POWER
JW408 RADIO C401 0.1
COM0 C431 220p R425 47k
COM1 C432 220p R426 47k
COM2 C433 220p R427 47k
COM3 C434 220p R428 47k
LCD0 R429 47k
LCD1 R430 47k
LCD2 R431 47k
C422
0.01
R419
47k
JW407
CN2 C35 RT2N21M-TP
19P 4700p
MUTING
-2
-1
JC404 0 E-DATA
JC403 0 CLOCK
9V ON
C34 R31
4700p 100k
W1
JC405 0 MUTE1
JW13
LINE
JW4
EO
BAND
R ON
JW2
JC406 0
JW17
RT1P144M-TP-1
C39 100p JW3
Q4
BEEP RT1N140M-TP-1
JW16
JW410
R24
0 4.7k
JC408
0
JW14 R11
100k Q6
RT3AMMM
BAND SELECT SWITCH
R30
100k
BAND
• See page 16 for IC Block Diagrams. • See page 16 for IC Pin Function Description.
L401 C441 C436
1 0.1
220µH
R406
100k
C406
10p C407
47p C413 R404 C415
470p 10k 0.22
X401
75kHz
C405 R403 R405
5p 10k 10k
C404
0.1
Q401
C403 2SC4154TP-1EF
0.1
Q402
2SC4154TP-1EF
LOW-PASS FILTER
R417 100k
CAP
SP/HP
LCD1
R443 100k
REG
TEST MODE
LCD1
C420 0.01
COM0 RADIO/LINE
C419 0.01
COM1 POWER
C418 0.01
COM2 BAND/CLOCK
SYSTEM CONTROLLER R446 4.7k
COM3 LINE
IC401
µPD17072GB-578
NC 5V ON
-1A7-A
R447 4.7k
NC 9V ON
NC NC
NC MUTE2
C442 1
NC SP
C443 1
LCD0 HP
LCD1 NC
LCD2 NC
BP402
JC401
0
BP401
R415
10k
C33
100p
T1 R13
2.2k
AM IFT
Q5
FM/AM FRONT-END,FM/AM DET,MPX
IC1
CXA1238S
BAND FM/AM
R14 SELECT FE OUT
CF2
100
AM
FE GND
IFIN
CF3
Q2 FM FM
RT1N441M-TP-1 IFIN RF IN
BAND SELECT SWITCH
CF4
C17 TUNE AM
0.01 IND RF IN
GND FM RF
C18
4.7 50V
ACC/
REG
Q3,4 AFC2
C19
RADIO ON
1
Q3
SWITCH ACC/
FM OSC
AFC1
C23 C20
4700p 47 16V
C22 RIPPLE
AFC
1 FILTER
R15 C43
10 2200p
VCC AM OSC
TP8
C44 R16
0.047 10k (RADIO B+)
LCH
MUTE
OUT
R21 C27 C45 JC3 C24
1 0.047 0 4700p
RCH FM
OUT DISCRI
C42
JC4
2200p
0
R25 ST_IND/
R17 TP9 VCO
0 VCOCHECK
10k
(MPX)
C26
R10 1 PILOTDET MPX
100k LPF2 RED
R20 C36 C25
4.7k 0.01 1
PILOTDET PLL
C29 LPF1 LPF2
R22 4.7
220k 50V
PLL
GND
LPF1
R29 C28
R18
100k 0.47 JW15
2.2k
C37
100p
11 11
C430
JW10 JW5
100p
C417
0.01
Q401,402
JW401
R407 10k C448 100p RADIO
R408 10k C447 100p POWER
R409 10k C446 100p BAND
LINE
C438 JC409
0.01 0
9V ON
C439
0.01
TP2
(RF GND)
TP18
(FM ANTIN)
L1
L4 AM FERRITE-ROD
FM RF ANTENNA
L3
CT1
C2 5p
JW11
CT2
SVC347S-TL
C3 R1 C1
1000p 100k 10p
C14
TP1
100 16V
D3 (VT)
HVC202B-TRU
D4 R2 R3
HVC202B-TRU 100k 10k
C13 C4
0.01 1000p C6
R5 0.01 R4
2.2k 1M
C5 10p
L5
C15 C9
2.2 50V FM OSC 220p
C12 C8
2p 220p
JC2 R8 C32
CF1
0 10k 1000p
VT
R12 C10
TH1 10k 10p
C16
10 R9 C11
50V 470 5p
RV1 JC1
22k 0 Q1
2SC3931-C-TX
FM VCO
JW8
BUFFER L2
AM OSC
JW6
R23
220k
VCOH
JW7 JW9
VCOL
ICF-M1000
BPF1
B.P.F.
D5
C7
10p