Sony XR-C653SP Service Manual ▷ View online
– 28 –
– 27 –
6-2. BLOCK DIAGRAM — MAIN SECTION —
XR-C653SP
1
ANT AM
2
ANT FM
TUNER UNIT
TU1
J1
(ANTENNA)
12
AM8V
D1
FM8V
AM DET
17
L
15
R
23
2
6
7
10
3
17
NCOUT
8
+8V FM
9
+8V TU
10
+8V AM
BUFFER
Q1
INVERTER
Q401
18
S-METER
LO/DX
SEEK
IFC AM
IFC FM
VCO
VT
SWITCH
Q420-424
X11
7.2MHz
XI
DATA OUT
DATA IN
CLK
CE
XO
6
5
TUNER PLL
IC31
9
10
7
4
13
13
11
20
6
5
SD 19
ST 21
AM OSC
IF
18
17
PD
SEEK SK
LO/DX
15
VCC
4
2
16 FM OSC
LPF AMP
Q52
S-METER
Q101
RESET
IC551
MUTE
DRIVE
Q951-953
MUTE
SWITCH
Q954
LPF
+9V REG
Q51
TUNER
+5V REG
Q32
MUTE
DRIVE
Q455, 456
RAM
RESET
IC552
RV401
FM POLAR
SUB CARRIER
RV402
FM POLAR
VCO FREQ.
5
39
40
41
42
1
7
2
+
+
OUT
SW
R-CH
D425
FM 8V
POUT
VCO
LAMP
IN
L OUT
R OUT
R-CH
R-CH
POLAR MPX
IC401
POLAR/PILOT SWITCH
IC431
1
20
POL
51
60
TAPMUT
2
3
ST
SD IN
8
47
22
42
23
24
25
2
5
9
10
11
7
6
8
3
4
59
1
1
2
2
78
79
45
48
49
50
SI
9 SO
10 CKO
EQSEL
DSTSEL
VSM
6 CE
PLL
8V
COM 8V
RESET
CE
CKO
SO
MUTE
AMP ON
PW SEL
PW ON
FM ON
TU ON
RAMBU
VOL
BU 5V
ON
OFF
S551
RESET
FM IN L
TAPE IN L
AM IN L
30
CE
CLK
DATA
TONE
AUX IN L
31
ELECTRONIC VOLUME
IC301
LINE AMP
IC302
25
24
23
26
22 21 16
7
5
TAPE L
(TC SECTION)
R-CH
CN301
-1
-2
R
BUS AUDIO IN
L
POWER AMP
IC701
Q331
Q341
Q701
1
3
5
7
9
FL IN
FL+
FL-
RL+
RL-
11
RL IN
STNBY
2
10
MUTE
13
BSTSW
BU 5V
COM 8V
AM 8V
FM 8V
BU 5V
BU 5V
BATT
STBY
MODE1
MODE2
MODE2
5V BU
8V COM
8V AM
8V FM
VCC
AMP REM
AMP +B
Signal path
: FM
: AM
: TAPE
: FM
: AM
: TAPE
04
CN901 (1/2)
FL+
FL-
1
9
RL+
RL-
10
2
BATT
16
ACC
7
AMP REM
ANT REM
6
5
BATT
ACC
CN301
L
-6
-5
FRONT
R
R-CH
REAR
L
-4
-3
R
R-CH
LINE OUT
AM 8V
FM 8V
D954
POWER SUPPLY
IC601
ANT +B
ANT +B
SYSTEM CONTROL
IC501(1/2)
F901
10A
S501
(POWER SELECT)
A
– 30 –
– 29 –
XR-C653SP
6-3. BLOCK DIAGRAM — TC SECTION —
LCD ANGLE
POWER CONTROL
Q656,657
DIMMER
CONTROL
Q710,711,714
LCD POWER
CONTROL
Q651,652
LED POWER
CONTROL
Q653,654
38
39
54
34
35
32
29
61
40
20
31
37
36
2
4
9
7
30
56
51
28
19
18
16
24
14
17
32
34
20
12
13
70
72
73
66
57
27
25
44
1
76
64
63
65
52
5
26
53
14
15
18
17
19
19
14
6
7
26
90
93
100
8
9
10
11
69
43
80
46
58
67
77
27
29
EQ
DOLBY
NR
AUTO
MUSIC
SENSOR
DOLBY
LEVEL
(L-CH)
FWD/REV
MUTE/TAPE
AMS/PLAY
LCH OUT
AMS OUT
MTL/NORMAL
TAPE L-CH
MAIN
SECTION
SECTION
A
NR ON
R-CH
RV251
FL
FWD
REV
RL
R-CH
R-CH
HP901
PLAYBACK HEAD
S901
(TAPE OPERATION)
EJECT
FF(NOR)
REW(NOR)
REV
FWD
(TAPE DET)
(METAL DET)
M
LOADING
MOTOR
DRIVE
IC201
M902
LOADING/TAPE
OPERATION MOTOR
BUFFER
REEL
SENSOR
MOTOR
CONTROL
Q205
CAPSTAN
MOTOR DRIVE
Q203
TAPE POWER
CONTROL
Q202
TAPE
CONTROL
Q204
M
M901
CAPSTAN/REEL
MOTOR
+8.5 REG
Q201
TA 8.5V
1
6
4
3
2
13
10
11
9
8
12
BUS INTERFACE
IC571
BUS ON
DATA
CLK
BATT
RST
BUS ON
DATA OUT
DATA IN
CLK IN
BU CHK
RST
LCD DATA
LCD CLK
LCD CE
LCD INH
VLC 5
VLC 4
VLC 3
VLC 2
VLC 1
VLC D
SEG101
SEG165
COM100
COM107
LCD701
LCD DRIVE
IC701
SYSTEM CONTROL
IC501(2/2)
TAPE EQ/DOLBY NR
IC231
X501
5MHz
5MHz
X502
32,768kHz
32,768kHz
ROTARY
ENCODER
RE701
BATT
BATT
LCD 10V
PL701
PL702
COLOR SELECT
Q712,713
DIMMER
CONTROL
Q591
CN901 (2/2)
TEL MUTE
TEST
ILLUMINATION
13
15
14
D592
KEY MATRIX
LSW700-712
715-720,800
LSW700-712
715-720,800
KEY
ACTIVE
Q561,562
BUZZER
DRIVE
Q556
ACC
CHECK
Q581
D564
BZ556
LED
DRIVE
Q800,801
LCD 10V
J561
REMOTE IN
S541
(NOSE DET)
D582
ACC
BATT
BATT
NR OUT
MTL ON
DOL ON
POS 0
POS 1
POS 2
POS 3
MTL IN
LM EJ
LM LOD
REL
SIRCS
CM ON
TAP ON
BUS ON
16 UNISI
18 UNICKI
19 UNICKO
19 UNICKO
62 BU IN
21 SYSRST
17 UNISO
AMS IN
TAP MUT
AMS ON
ACC IN
DOORSW
NOSESW
RC IN1
RC IN0
BEEP
AD ON
KEYACK
KEYIN1
KEYIN0
ILL IN
TEST
TELMUT
DIMMER
COLOR
PW ON
ILL ON
LCD ANG
RE IN1
RE IN0
XT IN
XT OUT
X IN
X OUT
LCDINH
LCDCE
LCDCKO
LCDSO
04
Signal path
: TAPE
: TAPE
OUT1
OUT2
IN1
IN2
3
2
1
6
8
7
5
4
D571
CN571
(BUS CONTROL IN)
IR
RECEIVER
IC702
SIRCS
Q573
1
41
– 46 –
– 45 –
• IC Block Diagrams
IC31 BU2624FV
PHASE
DET
PRESCALER
MAIN
COUNT
IF COUNT
CTL
20BIT COUNT
SHIFT REGISTER LATCH
REFERENCE
DIVIDER
I/O
CTL
1
2
4
5
6
7
9
10
20
18
17
16
15
14
13
12
11
11
19
XIN
CE
CK
DA
CD
P0
P1
P3
XOUT
VSS
PD
VDD
FMIN
AMIN
P2
IFIN
SD
P4
P4
CONTROL LOGIC
1
2
3
4
5
10
9
8
7
6
N. C.
OUT1
VS
OUT2
N. C.
GND
IN1
VCC
IN2
GND
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
32
33
34
35
36
37
38
39
40
NR
NR
NR BIAS
TAPE/AUX
TAPE EQ
FWD/RVS
MS MODE
NR MODE
DET
10
9
8
7
6
5
4
3
2
1
LPF
VCT
+ -
T2
X1
X1
T1
+ -
F3
VCC
OFF/B
OFF/B
+
-
F1
F2
+
-
120
µ
/70
µ
120
µ
/70
µ
MS ON/
OFF
PBFB2
PBRIN2
PBREF2
PBFIN2
VCT
PBGND
PBFIN1
PBREF1
PBRIN1
PBFB1
PBEQ1
PBOUT1
VCC
TAPEIN1
AUXIN1
MSLPF
LINEOUT1
TCH1
NC
G2FB
PBEQ2
PBOUT2
GND
TAPEIN2
AUXIN2
DIREF
LINEOUT2
TCH2
NC
MSSW
MSMODE
DRSW
TAPESW
INSW
NRSW
NC
MSOUT
DGND
MSTC
G1FB
+
-
+
–
+
–
CONTROL
CIRCUIT
1
2
3
4
5
6
7
8
SWC
IN+A
IN–A
–VCC
OUT
IN–B
IN+B
+VCC
36
35
34 33
31
30
25
26
27
28
29
32
1
2
3
4
5
6
7 8 9 10 11
12
13
14
15
16
17
18
19
20
21
22
23
24
37
38
39
40
41
42
43
44
45
46
47
48
GAIN12
GAIN11
IN11
IN12
IN13
IN14
IN21
IN22
IN23
IN22
IN23
IN24
GAIN21
GAIN22
FNTO1
REO1
REO1
CE
CLK
CLK
DGND
GND
VCC
VCT
DATA
TIMER
REO2
FNTO2
GAIN13
4
LDLC1
LDHC1
INAO1
VRIN1
VOUT1
TIN1
TCLC1
TCLC11
TCLC12
TCO1
FDIN1
GAIN234
LDLC2
LDHC2
INAO2
VRIN2
VOUT2
TIN2
TCHC2
TCLC21
TCLC22
TCO2
FDIN2
LOUD
VOLUME
8dB STEP
VOLUME
1dB STEP
VCTBUFF
VCTBUFF
VCTBUFF
TONE
FADER
INPUT SW
LATCH
LATCH
CONTROL
ZCDET
SHIFT
REGISTER
45k
45k
VCTBUFF
VCTBUFF
VCTBUFF
VOLUME
1dB STEP
LOUD
INPUT SW
TONE
FADER
VOLUME
8dB STEP
OSC
1/2
1/2
PHASE
WAVEFORM
SEP.
GATE
SAMPLE
& HOLD
BUFFER
REGULATOR
PHASE
COMPARATOR
PHASE
COMPARATOR 2
MUTE
TRIGGER
1
2
3
4
5
6 7
8
9
10
20
19 18
17
16
15
14 13
12
11
AMP
AMP
AMP
LAMP
VCO STOP
ST
LOUT
ROUT
LHC
RHC
POUT
IN
VCC
GND
VCO
LPF1A
LPF1B
DETIN
LPF2A
LPF2B
SUBIN
SUBOUT
MON
IC201 LB1638M
IC231 CXA2510AQ
IC431, 441 M5201FP
IC301 CXA1946BQ
IC401 IR3R42
– 48 –
– 47 –
IC571 BA8270F
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
3
4
5
6
2
1
10
9
8
7
11
12
13
14
BUS ON
RST
BATT
CLK
VREF
DATA
GND
VCC
RST
BUS ON
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
1
2
3
4
5
6
7
8
9
10
11
12
GND
FM 8.7V
AM 8.7V
COM 8.7V
ANT
VCC
AMP
VDD 5.6V
STB
MODE 1
MODE 2
N.C.
REGULATOR
EXCESSIVE
VOLTAGE
PROTECTOR
VCC
VCC
VCC
VCC
VCC
VCC
IC601 BA3918-V3
SECTION 7
EXPLODED VIEWS
N
N
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
• Hardware (# mark) list and accessories
and packing materials are given in the
last of this parts list.
last of this parts list.
7-1. CHASSIS SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
2
17
18
25
3
15
1
20
15
16
24
19
21
13
11
12
8
22
10
7
6
5
4
9
23
25
F901
#3
#3
#3
#3
#3
#3
#3
#3
#1
#1
#3
#3
#1
#3
#2
A
A
TU1
MG-52B-135
14
* 1
X-3373-362-1 COVER ASSY
2
1-776-207-11 CORD (WITH CONNECTOR) (POWER)
3
3-919-171-01 SCREW (2.6X6) (C TIGHT)
4
X-3373-376-1 BRACKET (GEAR) ASSY
5
3-011-170-01 GEAR (HOLDER)
6
3-341-752-11 WASHER, POLYETHYLENE
7
3-953-235-31 DAMPER, OIL
8
3-913-076-01 SPRING (C DOOR), TORSION
9
3-015-291-01 SPACER (GEAR)
10
3-010-996-01 BUTTON (EJECT)
* 11
1-665-379-11 SUB BOARD
12
X-3373-374-1 LOCK ASSY
13
X-3373-541-1 PANEL SUB ASSY, SUB
* 14
3-019-594-01 INSULATED PLATE (RELAY)
15
3-915-923-01 SCREW, GROUND POINT
* 16
A-3313-248-A MAIN BOARD, COMPLETE
* 17
3-011-078-01 BRACKET (POWER IC)
* 18
3-011-090-01 BRACKET (AMP)
* 19
3-011-077-11 HEAT SINK
* 20
3-012-196-01 INSULATOR
* 21
X-3373-384-1 CHASSIS ASSY
22
3-922-165-92 DOOR, CASSETTE
* 23
3-015-565-01 SPACER (SW)
24
3-016-456-01 SPACER (SHAFT)
25
9-911-840-XX CUSHION (U)
F901
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TU1
A-3282-031-A TUNER UNIT (TUX-006/2(EE))
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