Sony ICF-M1000 Service Manual page 32

ICF-M1000
Ver. 1.3
2-2. SCHEMATIC DIAGRAM – MAIN/PANEL Section –
LIQUID CRYSTAL DISPLAY
ICF-M1000
LCD401
CN403
20P
1 COM0
COM1
COM2
COM3
LCD0
LCD1
LCD2
LCD3
W403
LCD4
LCD5
LCD6
LCD7
LCD8
LCD9
JW411 BAND
D501
JW409 POWER
SDPW50H0C0000-JP R501
220
JW408 RADIO
COM0
R502
220
COM1
20 COM2
D502
SDPW50H0C0000-JP COM3
D501,502
(LCD BACK LIGHT)
4 1
LCD0
LCD1
4 1 LCD2
S103
RADIO/LINE IN
S102
POWER OPERATE
(US,CND) (AEP,UK)
S101
BAND/CLOCK
JW407
CN2
19P
JC404 0 E-DATA
JC403 0 CLOCK
9V ON
W1
JC405 0 MUTE1
LINE
EO
BAND
(Page 6)
JC406 0
JW17
C39 100p
BEEP
JW16
L401 C441
1
220µH
C406
10p C407
47p
X401
75kHz
C405
5p
JW402
C404
0.1
C403
0.1
C402
0.01
CAP
LCD1
C401 0.1
REG
LCD1
C431 220p R425 47k
COM0
C432 220p R426 47k
COM1
C433 220p R427 47k
COM2
C434 220p R428 47k SYSTEM CONTROLLER
COM3
IC401
µPD17072GB-578
NC
-1A7-A
NC
NC
NC
NC
R429 47k
LCD0
R430 47k
LCD1
R431 47k
LCD2
C422 JC401
0.01 0
R419
47k
∗
C34,C35
4700p (US,CND)
0.01 (AEP,UK)
T1
AM IFT
Q5
C35 RT2N21M-TP
∗
MUTING
-2
-1
CF2
C34 R31
∗
100k
CF3
Q2
RT1N441M-TP-1
JW13
BAND SELECT SWITCH
JW4 CF4
R ON
JW2
4.7
Q3,4
RADIO ON
SWITCH
∗
Q3 C23,C24
RT1P144M-TP-1
4700p (US,CND)
C23
2200p (AEP,UK) ∗
47 16V
JW3
C22
Q4
1
RT1N140M-TP-1
R15 C43
10 2200p
C44 R16
0.047 10k (RADIO B+)
JW410
R24 R21 C27 C45 JC3 C24
∗
0 4.7k 1 0.047 0
C42
JC408 JC4
2200p
0 0
R25
R17
0
10k
JW14 R11
100k Q6 C26
RT3AMMM R10 1
100k
BAND SELECT SWITCH
R20 C36
4.7k 0.01
R22
220k
R30 R29
R18
100k 100k
BAND 2.2k
C37
100p
4 4
C436
0.1
R406
100k
C430
JW10 JW5
C413 R404 C415 100p
470p 10k 0.22
R403 R405 C417
10k 10k 0.01
Q401
2SC4154TP-1EF
Q402
2SC4154TP-1EF
Q401,402
LOW-PASS FILTER
JW401
R417 100k
SP/HP
R443 100k
TEST MODE
C420 0.01 R407 10k C448 100p RADIO
RADIO/LINE
C419 0.01 R408 10k C447 100p POWER
POWER
C418 0.01 R409 10k C446 100p BAND
BAND/CLOCK
R446 4.7k LINE
LINE
C438 JC409
5V ON
0.01 0
R447 4.7k 9V ON
9V ON
NC
C439
MUTE2
0.01
C442 1
SP
C443 1
HP
NC
NC
(AEP)
BP401
BP402
(UK)
BP401
BP402
R415
(US,CND,UK)
10k
(US,CND,AEP)
TP2
(RF GND)
C33
100p R13
2.2k
FM/AM FRONT-END,FM/AM DET,MPX
IC1
CXA1238S
BAND FM/AM
R14 SELECT FE OUT
100
AM
FE GND
IFIN
FM FM
IFIN RF IN
C17 TUNE AM
0.01 IND RF IN
GND FM RF
C18 C14
50V
100 16V
ACC/
REG
AFC2
C19
1
ACC/
FM OSC
AFC1
C20 C13
0.01
RIPPLE
AFC
FILTER
VCC AM OSC
TP8
C15
2.2 50V
LCH
MUTE
OUT
JC2
CF1
0
RCH FM
OUT DISCRI
R12
TH1 10k
TP9
ST_IND/
VCO
VCOCHECK C16
(MPX)
10
50V
PILOTDET MPX
LPF2 RED
C25 RV1
1 22k
PILOTDET PLL
C29 LPF1 LPF2
4.7
50V
PLL
GND
LPF1
C28
0.47 JW15
R23
220k
BPF1
TP18
(FM ANTIN)
B.P.F.
L1
L4 AM FERRITE-ROD
FM RF ANTENNA
L3
CT1
C2 5p
JW11
CT2
D5
SVC347S-TL
C3 R1 C1
1000p 100k 10p
TP1
D3 (VT)
HVC202B-TRU
D4 R2 R3
HVC202B-TRU 100k 10k
C4
1000p C6
R5 0.01 R4
2.2k 1M
C5 10p
L5
C9
FM OSC 220p
C12 C8 C7
2p 220p 10p
R8 C32
10k 1000p
VT
C10
10p
R9 C11
470 5p
JC1
0 Q1
2SC3931-C-TX
FM VCO
JW8
BUFFER L2
AM OSC
JW6
VCOH
JW7 JW9
VCOL