Sony ICF-CD853V Service Manual ▷ View online
ICF-CD853V
21
21
5-9.
SCHEMATIC DIAGRAM – MAIN Section (2/2) –
•
See page 15 for Waveform.
•
See page 24 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : FM/TV (2 – 6 CH)
(
no mark : FM/TV (2 – 6 CH)
(
) : AM
〈〈
〉〉
: TV (7 – 13 CH)/WEATHER (1 – 7 CH)
R62
C65
R54
R55
R56
R51
R52
R53
D53
D52
D54
C202
C102
C38
BPF1
C36
R12
R10
R13
R15
C46
C68
C70
C33
R18
R19
C43
R16
C29
D5
C28
C27
D4
C T 3
C41
C47
C48
C25
D3
CT2
C22
R11
C20
C19
D2
C18
C78
C77
C32
CT1
R6
RV2
C10
C11
C13
C14
C12
R7
C15
C16
R8
C17
Q51
L8
C3
C2
R5
C201
C101
C1
R3
R2
R1
RV1
R4
R111
R211
C44
R101
R201
Q53
R66
R65
Q52
C76
R64
C56
C58
R59
C63
C64
R58
C61
C66
C60
R57
C71
C62
R61
C53
C52
C51
C69
C37
C8
C5
C7
C6
L7
C4
C35
R9
C31
L52
C57
C55
X51
L53
JC4
R63
L3
L2
L1
JC5
L5
IC1
IC51
C54
ANT1
C9
C30
L54
Q2
TP
TP
TP
L4
TP
10k
0.01
2.2k
2.2k
2.2k
1k
1k
1k
1SS119
1SS119
1SS119
1
1
100p
22p
100k
10k
100k
100k
220p
100p
0.01
0.01
330
100
0
22k
1000p
HVU363ATRU
4p
1000p
HVU363ATRU
10p
100p
1000p
0.01
1000p
HVU363ATRU
10p
7p
1M
4700p
0.047
KV1610ST1-2
10p
0.01
100p
1000p
10p
1k
100k
0.1
0.1
22 25V
470p
1
470
1
0.47
2.2k
4.7
50V
50V
DTA144EUA
-T106
100
10V
10V
0.01
1k
0.022
0.022
10
50V
10k
2.2k
4.7k
4.7k
22
220k
220k
1000p
470k
470k
2SC4081
-T106
4.7k
10k
2SK209GR
1
10
0.33
470p
10k
12p
12p
10k
0.01
0.01
22
25V
10
1000p
100
25V
25V
100k
47p
100p
100p
1000p
1000p
10
50V
0.01
0.01
1
0.01
0.01
0
1000p
220p
100p
75KHz
100
0
CXA1960Q
LC72122V
1000p
4.7
50V
50V
2p
2SC3931
-C-TX
(VT)
(ANT)
(FM ST)
33nH
(RADIO +B)
A1
A2
A3
A4
A5
A6
A7
A8
S
IFIN
D
Q
CL
D
I
CE
102
101
B
O
3
BO
2
BO
1
AM
IN
FM
IN
VD
D
PD
AIN
AO
UT
XIN
XO
UT
GN
D(A)
G
ND
(D
)
VC
C
M
P
R
G
LO
U
T
R
O
UT
D
D
CN
P
LL
I
S
TID
M
CN
T
GN
D
V
CC
MPRM
V12M
MUTE
AAGC
DETO
PLT2
PLT1
PLL1
PLL2
REGV
FMBF
FALC
COMP
BAND
TUNE
PLLO
FM
IB
IFC
T
N
C
M
R
EF
AR
FI
FM
IN
T
VIN
G
N
D
(2/2)
TV RF
AM OSC
FERRITE-ROD
ANTENNA
AM
FM
R
O
OLA
G
TVRO
FTLO
AMLO
MPXI
TV/FM/AM RF AMP,
MIX,OSC,DET,MPX
BAND
SELECT
FM/AM PLL
Q52,53
LOW-PASS
FILTER
(TV/FM)
OSC BUFFER
RF
FM/TV
1
µ
H
1
µ
H
100
µ
H
1
µ
H
1
µ
H
TP
(AM GND)
TP
(FM GND)
FM/TV (2
−
6ch) TRACKING
TV (7
−
13ch),
WEATHER (1
−
7ch) TRACKING
(Page 20)
ICF-CD853V
22
22
R602
R601
R486
R603
R604
R606
R608
R607
R610
JC401
C455
C437
R495
C454
C457
C438
Q403
BC
E
Q401
BC
E
C428
R480
R479
R478
C427
C429
C430
L402
C432
C435
C434
C431
R485
C436
C456
R403
R404
C401
R401
R402
C402
R405
R406
C403
R408
R409
R410
R412
R414
R416
R418
R420
R422
R411
R413
R415
R417
R419
R421
R423
R425
R427
R429
R431
R424
R426
R428
R430
R432
R434
R436
R438
R440
R433
R435
R437
R439
R441
IC401
R477
R475
R474
R473
R472
C420
C424
C422
R476
R471
C418
C417
C416
C415
C414
C413
R470
R469
R468
R467
R466
C411
R464
C452
R463
C409
C408
C410
R462
C407
C446
C445
C444
C443
R461
R447
R448
R453
R452
R450
R449
R456
R455
R460
R459
R451
R454
R457
R458
C406
R442
R445
R446
R444
C404
C449
R443
R612
R611
R614
R613
R616
R618
R617
R488
C447
R487
EC
B
Q402
EC
B
Q404
C448
R490
R489
C442
L403
L401
EC
B
Q405
C441
JW421
JW422
CN401
D403
D402
R493
R494
R492
R491
JW420
JW412
JW409
C405
+
JW410
JW411
JW408
JW407
JW406
C433
+
C439
+
X402
IC402
X401
JW401
JW402
JW403
JW404
JW417
S609
S608
S606
S605
S604
S603
S602
S601
CN402
JW418
JW419
LCD401
LIQUID CRYSTAL
DISPLAY
JW413
JW414
JW415
JW416
S607
D401
LCD BOARD
(11)
11
1-684-034-
1
2
19
20
1
2
C453
7
1
BP601
BRIGHTNESS
2
1
BP603
NAP
NAP
CD PLAY MODE
CLOCK
D. S. T.
SUMMER T.
32
1
20
1
21
40
41
60
61
80
3
1
SLEEP
CD
RADIO
BAND
BP602
OFF
ALARM RESET
R619
R620
R621
R622
C601
R630
R624
R623
R626
R627
R628
PRESET BOARD
(11)
11
1-684-037-
S610
S611
S612
S615
S614
S613
5
4
3
2
1
PRESET TUNING
SELECT/PRESET
SELECT/PRESET
SNOOZE
DATE/SLEEP OFF
S615
1
2
BP604
R636
R643
R642
R641
R634
R633
R632
R631
R638
R637
R640
ALARM BOARD
(11)
11
1-684-036-
S619
S616
S620
S621
S617
S618
D602
D603
D601
7
1
TUNE/TIME SET
−
TUNE/TIME SET
+
BP605
BUZZER
RADIO
ALARM MODE
ALARM SET
RADIO
ALARM SET
BUZZER
CD
ALARM SET
CD
R645
R644
R647
R646
R649
R648
R651
R650
R653
R652
R654
R655
LED BOARD
(11)
11
1-684-035-
D609
D608
D607
D606
D605
D604
1
2
D604
−
609
(LCD BACK LIGHT)
B
MAIN BOARD
CN301
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
9
10
11
12
13
14
I
5-10. PRINTED WIRING BOARDS – PANEL Section –
•
See page 14 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D401
B-4
D402
F-10
D403
E-10
D601
D-12
D602
C-12
D603
B-12
D604
F-12
D605
G-12
D606
H-12
D607
H-12
D608
I-12
D609
J-12
IC401
E-7
IC402
C-8
Q401
D-10
Q402
H-10
Q403
C-10
Q404
G-10
Q405
G-8
(Page 18)
ICF-CD853V
23
23
5-11. SCHEMATIC DIAGRAM – PANEL Section –
•
See page 15 for Waveforms.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : FM
[
no mark : FM
[
] : CD PLAY
R448
R410
R411
R413
R412
R414
R415
R416
R417
R418
R419
R420
R421
R422
R423
R424
R425
R426
R427
R428
R429
R430
R431
R432
R433
R434
R435
R436
R437
R438
R439
R440
R441
R462
R463
R464
R466
R467
R468
R470
R469
R461
R471
R472
R473
R454
R457 R458
C452
C445
C446
R459
R460
R456
R455
S601
S602
S603
S604
S605
BP602
S606
S607
S608
S609
R611
R612
R613
R614
R616
R617
R618
R447
R607
R603
R601
R602
R604
R606
R608
R610
C408
C409
C413
C414
C415
C416
C417
C418
C420
C422
C411
C406
C407
D402
R475
R474
R477
Q403
Q401
C447
C448
R491
R492
R493
R494
R453
R452
R450
R449
C405
C449
C404
C444
C443
R446
R445
R444
R443
C457
C456
C455
C454
C433
C436
C435
C434
C431
R480
R479
R478
R489
R487
R486
R406
R403
R404
R641
R642
R643
R405
C401
R401
R402
S618
S617
S619
S620
S621
R640
R490
R488
Q402
CN402
BP603
BP604
S610
S611
S612
S613
S614
S615
C601
R619
R620
R621
R622
R623
R624
R627
R626
R628
R630
IC402
D403
C437
C438
C439
C441
C442
R451
CN401
L401
C402
C403
BP601
L402
R654
R655
R653
R652
R651
R650
R649
R648
R647
R646
R645
R644
R495
R485
R476
Q405
R442
LCD401
BP605
S616
R631
R633
R637
R632
R634
R636
R638
D602
D601
D603
JC401
R408
R409
D401
X401
C429
C432
L403
IC401
C410
C427
C424
C428
C430
X402
Q404
C453
D604
D605
D606
D607
D608
D609
100
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
10k
47
47
47
10k
1k
0
1k
0
1k
100
100
10k
1
0.01
0.01
220k
100k
100k
220k
220k
100k
100k
47k
22k
47k
22k
1k
47k
100k
220k
100k
47k
22k
22k
10k
0.01
100p
100p
100p
47p
100p
100p
1000p
0.01
0.01
2200p
100p
0.01
1SS119
1k
1k
1k
DTA144EUA
-T106
DTA144EUA
-T106
1
1
220
100
1k
470
100k
220k
100k
220k
100
10V
2.2
0.01
0.01
0.01
100k
220k
10k
10k
0.22
0.22
0.22
0.22
100
10V
10V
0.01
47p
47p
0.1
1k
1k
1k
2.2k
2.2k
470
22k
47k
22k
220
220
220
47k
0.1
22k
47k
10k
100k
100k
2SD596
2P
0.01
470k
220k
220k
100k
100k
47k
47k
22k
22k
10k
PST600L-T
1SS119
0.01
0.1
470
4V
0.1
0.1
100
20P
0.1
0.1
470
100
100
470
100
470
100
470
100
470
100
470
470k
10k
47k
2SC4081-T106
220k
220k
100k
47k
100k
47k
22k
22k
TOL-31CSGAKAA
-KS01
TOL-31CSGAKAA
-KS01
TOL-31CSGAKAA
-KS01
0
22k
10k
SLR-
342DUT32
32.768KHz
22p
2.2
0
A11-8BT
100p
0.01
0.01
0.01
22p
4.19MHz
2SC4081
-T106
1
A
A
1
A
A
2
A
A
3
A
A
4
A
A
5
A
A
6
A
A
7
A
A
8
A
A
9
A
A
1
0
A
A
1
1
A
A
1
2
A
A
1
3
A
A
1
4
A
A
1
5
A
A
1
6
A
A
1
7
AA1
AA2
AA3
AA4
AA5
AA6
AA7
AA8
AA9
AA10
AA11
AA12
AA13
AA14
AA15
AA16
AA17
BB1
BB2
BB3
BB6
BB7
BB8
BB9
BB10
BB11
BB12
BB13
B
B
13
B
B
1
2
B
B
1
1
B
B
1
0
B
B
9
B
B
8
B
B
7
B
B
6
B
B
5
B
B
3
B
B
2
B
B
1
B
B
4
BB4
BB14
BB15
BB16
BB14
BB15
BB16
BB5
A
A
1
8
A
A
1
9
A
A
2
0
A
A
2
1
A
A
2
2
A
A
2
3
A
A
2
4
A
A
2
5
A
A
2
6
A
A
2
7
A
A
2
8
A
A
2
9
A
A
3
0
A
A
3
1
A
A
3
2
A
A
1
8
A
A
1
9
A
A
2
0
A
A
2
1
A
A
2
2
A
A
2
3
A
A
2
4
A
A
2
5
A
A
2
6
A
A
2
7
A
A
2
8
A
A
29
A
A
3
0
A
A
3
1
A
A
3
2
S
E
G
2
7
S
E
G
26
S
E
G
2
5
S
E
G
2
4
S
E
G
2
3
S
E
G
2
2
S
E
G
2
1
S
E
G
2
0
S
E
G
1
9
S
E
G
1
8
S
E
G
1
7
S
E
G
1
6
S
E
G
1
5
S
E
G
1
4
S
E
G
1
3
S
E
G
1
2
S
E
G
1
1
S
E
G
1
0
S
E
G
9
S
E
G
8
S
E
G
7
S
E
G
6
S
E
G
5
S
E
G
4
S
E
G
3
S
E
G
2
C
O
M
3
C
O
M
2
C
O
M
1
C
O
M
0
S
E
G
1
S
E
G
0
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
S
E
G
1
0
S
E
G
9
S
E
G
8
S
E
G
7
S
E
G
6
S
E
G
5
S
E
G
4
S
E
G
3
S
E
G
2
C
O
M
3
C
O
M
2
C
O
M
1
C
O
M
0
S
E
G
1
S
E
G
0
F
S
E
Q
N
C
K
E
Y
0
K
E
Y
1
K
E
Y
2
K
E
Y
3
A
V
S
S
C
D
O
N
A
C
IN
W
R
Q
B
U
Z
ZE
R
M
U
T
E
B
U
Z
Z
E
R
L
A
T
C
D
/R
A
D
IO
D
A
TA
C
D
/R
A
D
IO
C
L
K
C
D
/R
A
D
IO
D
A
T
A
-IN
C
D
D
R
F
X
R
S
T
R
A
D
IO
O
N
P
O
W
E
R
O
N
AVDD
CD OPEN
VERSION
BUZZER LED
RADIO LED
CD LED
NAP LED
RESET
X2
X1
TX2
TX1
IC
BACK LIGHT 1
BACK LIGHT 0
NC
NC
NC
HP ON
HP SW
A MUT
V
LC
0
V
L
C
1
V
LC
2
N
C
N
C
LIQUID CRYSTAL DISPLAY
2
1
2
1
D604-609
(LCD BACK LIGHT)
5
4
3
2
1
PRESET TUNING,SELECT/PRESET
1
2
SNOOZE
DATE/SLEEP OFF
ALARM SET
BUZZER
S617
TIME SET
TUNE/
-
S618
TUNE/TIME SET
+
ALARM SET
S619
CD
S620
ALARM
MODE
ALARM SET
S621
RADIO
RADIO
BUZZER
CD
1
7
1
7
NAP
Q401-404
LED DRIVE
RESET SIGNAL
GENERATOR
V
G
RST
VSS0
VDD0
SYSTEM CONTROLLER
MUTING
D.S.T
SUMMER T.
CLOCK
CD PLAY
MODE
NAP
BRIGHTNESS
SLEEP
CD
RADIO
BAND
OFF
ALARM RESET
D604-609
SLI-343YYT32W-ST:
TLFGE53T: LIV
ORIGINAL
∗
∗
∗
∗
∗
∗
∗
100
µ
H
µ
PD789477GC-
100
µ
H
(Page 20)
ICF-CD853V
24
24
–
+
+
VCC
28
27
26
25
24
23
22
21
20
19
18
17
16
15
LEVEL
SHIFT
–
+
+
VCC
LEVEL
SHIFT
+
–
–
1
2
3
5
6
7
8
9 10
11
12
13 14
LEVEL
SHIFT
+
–
–
+
–
DRIVE
BUFFER
DRIVE
BUFFER
DRIVE
BUFFER
DRIVE
BUFFER
REGULATOR VOLTAGE DETECT,
BIAS VOLTAGE DETECT,
THERMAL SHUT DOWN
4
–
+
+
DRIVER
MUTING
GND
OUT4-B
OUT4-A
IN4
IN4'
VREFIN
VCC
VCC
IN3'
IN3
OUT3-A
OUT3-B
NC
OPIN-B
OUT1-B
OUT1-A
IN1
RESET
REG-B
REGOUT
MUTE
GND
IN2'
IN2
OUT2-A
OUT2-B
GND
OPOUT
LEVEL
SHIFT
11
10
9
8
7
6
5
4
3
2
1
12
13
14
15
19
20
UNLOCK
DETECTOR
POWER ON
RESET
UNIVERSAL
COUNTER
CCB
I/F
CE
DI
CL
DO
XOUT
AOUT
XIN
AIN
PD
VSS
VDD
FMIN
AMIN
B01
B02
B03
I01
I02
IFIN
PHASE
DETECTOR
CHARGE
PUMP
REFERENCE
DIVIDER
SWALLOW
COUNTER
1/16,1/17
4BITS
12BITS
PROGRAMMABLE
DIVIDER
DATA SHIFT REGISTER
LATCH
1/2
16
17
18 VSSA
+
–
12
13
14
19
15
TVIN
MREF
GRN
D
FMIB
IFCT
NC
FMIN
FMR
O
OLAG
ARFI
REGV
TVRO
FTLO
BAND
TUNE
PLLO
FALC
COMP
37
38
39
40
AAGC
DETO
PLT2
MPXI
MPRM
V12M
MUTE
PLT1
PLL1
PLL2
MPX DECODER
AM BPF
PSN
1/X
FM/TV
LPF
PD
VCO
1/2
1/2
STID
14V
PLAP
TUNE
38kHz
STEREO AUDIO R
STEREO AUDIO L
19kHz
1.65V
1.25V
36
8 9
10
VCO
STID
MCNT
GRND
VCC
1
4
2
3
5
6
MPRG
LOUT
ROUT
DDCN
PLLI
7
+
–
+
–
35
34
FM DET
150kHz
FM LMT
OL DET
TV RF
AMP
FM RF
AMP
AM RF
AMP
45kHz
31
32
33
MUTE
AGC AMP
AM AGC
1.25V
AM/FM: 1/2
TV: 1/8
TV: 1/8
1.25V
18
17
16
FMBF
AMLO
AM OSC
FM/TV OSC
20
30
29
27
28
23
24
25
26
22 21
11
AUDIO
OUT
+
–
+
–
+
–
+
–
–
+
–
–
+
–
–
+
–
–
PLL VCEC
CLV, CAV
CONTROL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
80
79
78 77 76 75 74 73
72 71 70
69 68
67
66
65 64 63 62 61
21 22 23 24
25
26
27
28 29 30
31 32
33
34
35
36 37 38 39 40
SLICE LEVEL
CONTROL
APC
LEVEL SET
MIX
EQ
AGC
LPF
TBAL
TBAL
+
BH
SW
PH
+
–
–
VREF
+
LPF
LPF
VREF
AUTO
ADJUST
MONITOR
CONTROL
CONTROL
JITTER
DETECT
A/D
S/H
D/A
SW
GENERAL-PURPOSE
PORTS
MONITOR SIGNAL SELECTOR
SERVO
PROCESSOR
SUBCODE
DECODE CRC
FRAME SYNC
DETECT,
PROTECT INSERT,
EFM DECODE
DRF
COMMAND INTERFACE
RUPTURE
DEFECT
TRACK
JUMP
INTERPOLATION
MUTE
ATTENUATION
DEEMPHASIS
LPF
1BIT DAC
8FS
DIGITAL FILTER
ERROR
CORRECTION
AUDIO CD
C1-2, C2-2
RAM
CLOCK
GENERATOR
EXTERNAL
AUDIO IN
SERIAL
OUT
LDD
LDS
FR
VVDD
PCKIST
VVSS
PDO2
PDO1
CONT1
CONT2
CONT3
VSS
VDD5
DRF
*
RES
*
WRQ
DO
DI
CL
CE
DATA
DATACK
LRSY
ASDFIN
ASDACK
ASLRCK
16MOUT
EFLG
C2F
XVSS
FSX/16MIN
XIN
XOUT
XVDD
RVDD
RCHO
RVSS
LVSS
LCHO
LVDD
TEST
BOUT
VDD
VSS
MONI5
MONI4
MONI3
MONI2
MONI1
FSEQ
V/
*
P
DEFECT
SBCK/FG
SBCK/CONT6
CONT5
CONT4
GPDAC
SLDO
SPDO
FDO
TDO
ADAVSS
ADAVDD
JITTC
RFMON
TE
TEC
FE
REF1
VREF
TIN2
TIN1
FIN2
FIN1
RFVSS
RFVDD
RF
EFMIN
SLCIST
SLCO
+
–
+
–
RAM
• IC Block Diagrams
– CD Board –
– CD Board –
IC701
LC78645NE-U
IC702
BA6998FP
– MAIN Board –
IC1
CXA1960Q
IC51
LC72122V-TLM
IC302
BA5417
STANDBY
T.S.D.
BS
FILTER
PRE GND2
PRE GND1
NF2
IN2
IN1
NF1
FIL
TER
STBY
POWER GND
BS1
OUT1
VCC
OUT2
10
3 4 5
6
BS
BS2
2
NC
1
8
9
7
11 12
13
14 15
+
–
–
+
–
–
Click on the first or last page to see other ICF-CD853V service manuals if exist.