Schematic Diagram - Tuner Board - Sony ICF-CD855V Service Manual

6-8. SCHEMATIC DIAGRAM – TUNER Board – •
L5
AM FERRITE-ROD
ANTENNA
R79
0
JW23
CT5
C25 C24
0.01 1000p
C23
1000p
R15 R16
680
JW5 JW25
C14
0.022
L13 L14
10µH 10µH
D14
KDS114-RTK KDS114-RTK
L2
FM/TV TV/WEATHER
RF
C33 C13
0.1 0.01
JW8
R11 R12
1.5k 1.5k
L11 L12
JW4
10µH 10µH
ANT1
BPF1
FM/TV/WEATHER
LEAD WIRE
ANTENNA
1 5
TP
(ANT)
JC1 0
C11
6p
D10 D11
1SS355TE 1SS355TE
-17 -17
•
See page 28 for Waveform. See page 28 for IC Block Diagrams.
D3
C31
KV1520NT
220p
C30
100p
R31
47k
JW22
C26
47p
C28 R33 C29 C32
0.01 220k 10p 0.047
JW15
JC6
0
R17
100k FB4
JC5 R18
1k 0 680 FB5
R24
15k
D1 C18 L15 L16 D2
KV1471E 0.022 10µH 2.2µH KV1471E
C19
0.022
R23 C21
470 470p
C16
C89
0.01
22p D24
KDS112
D15 -RTK
D17
C15 R19
KDS114
22p 1k
L1 -RTK
C20 C22 C35 C37
RF CT3 CT4 22p 47p 220p 100p 3.3k
CT2
L4 L3
FM/TV TV/WEATHER
OSC OSC
R20 R22 R25 C36
10k 0 0 1 50V
JC2
0
D23
1SS355TE
-17
C86
0.022
C2
1000p
C5
R3 JC3 C6
4.7
10k 0 10p
50V
C3
D13 R1 1
KDS112-RTK 470 50V
CF4
C34
T1
0.1
AM IFT
CF2
R2
330
JW3
JW2
C4
C87 R5 C90
220
0.047 470 220p
10V
L6
AM OSC
D21
KDS121
-RTK
C27 C42 C43
0.01 0.01 1000p
JW17
JW16
JW14
C83
0.001
C53
0.1
R26 C40 C41
0.1 0.1
C71
C39
10p
1
50V
L17
10µH
R37
470
C52
0.01
FM/AM RF AMP,
R42
MIX,OSC,
100k
FM/AM IF AMP,
DET,MIX
R41
100k Q13
2N3906U
IC1
TA2149BN SWITCHING
C51
1000p
R67
100k
C7 Q11
JW9 JW11
6p KRA302-RTK
JC4
TV ON
0
SWITCH
Q12
KRA302-RTK
T2 FM ON
FM IFT SWITCH
JC7
0
R6
100
C10 C9 C91
0.022 0.022 100p
23 23
JW12
R71 R73 R72
100 100k 3.3k
Q14
KTC4082
C75
OSC
0.047
BUFFER
R84 C54 R74 R75
4.7k 0.01 1k 10k
C76
6p
C66 JC9
220 0
JW13
10V
C68 D22 JC8 JC10
0.47 KDZ3.3V 0 0
C70 C69
10p 6p
R69 R63 R66 C63 R64
10k 680 1k 1000p 10k
X61 C67 R68 C65
75KHz 0.01 4.7k 1000p
FM/AM PLL
IC2
LC72137M-TLM
C62
1000p
R70
22k
R58
1k
R55
1k
JW19
JW20
R54
2.2k
A1
C55 C56 C57 C58 C59 C60 C61
100p 100p 100p 100p 100p 100p 100p
A2 R53 2.2k
A3 R52 2.2k
A4 R51 2.2k
R81 100
R82
100
C92
100p
ICF-CD855V
TP
(GND)
C64
0.01
JW18
C72
47
16V
R59 R61 R62
2.2k 220 1k
JC12 L31
0 10µH
CNP2
11P
MUTE
COUNT
R CLK
R DATA
R CE
LCH
R +B
RCH
GND (Page 27)
VT
TP
C85 (VT)
S-GND
1000p
JW21