Sony CFD-RG880CP Service Manual ▷ View online
CFD-RG880CP
CFD-RG880CP
25
25
SECTION 7
DIAGRAMS
7-1. BLOCK DIAGRAM – CD Section –
A IN
RF OUT
A
C
B
D
E
F
A
C
B
D
E
F
5
2
1
C IN
6
B IN
7
D IN
8
E IN
RF SIGNAL
PROCESSOR
EFMIN
RF OUT
13
F IN
14
LD
LD
MD
VR
VC
TD+
TD–
TD–
SL+
SL–
SL–
FD+
+
FD–
–
PD
LDO
APC
18
LDS
19
VREF
VREF
D DO
D DI
D CL
D CE
D RESB
D DI
D CL
D CE
D RESB
USB-TXD
USB-RXD
SLEEP
VC
VBUS
+5V
MUTE
VC
VC
11
LD POWER
CONTROLLER
Q701
TRACKING
COIL
DRIVE
SERVO
CONTROL
8FS
DIGITAL
FILTER
&
1-bit DAC
SYNCHRONIZATION
DETECTION
EFM DEMODULATION
OPTICAL PICK-UP
BLOCK
(KSM-213CDP)
SLED/SPINDLE
MOTOR DRIVER,
TRACKING/FOCUS
COIL DRIVER
IC703
SYSTEM SERVO PROCESSOR,
DIGITAL SIGNAL PROCESSOR
IC701
SYSTEM CONTROL
IC801 (1/4)
TRACKING
COIL
FOCUS
COIL
M702
(SLED)
24
25
23
19
20
20
FOCUS
COIL
DRIVE
SLED
MOTOR
DRIVE
5
6
6
10
9
SPINDLE
MOTOR
DRIVE
M
M
SP+
I-CD LID
SP–
+
–
M701
(SPINDLE)
S701
(LIMIT)
M
M
18
4
11
2
27
TDO
23
23
FDO
22
22
SLDO
24
24
SPDO
25
25
CONT3
32
D RESB
47
D CE
43
D CL
44
D DI
45
D DO
46
93 94 8 6 7
M-MUTE
O-CD RES
O-CD CE
O-CD CLK
O-CD DO
I-CD DI
92
USB-RXD
100
91
USB-TXD
99
O-SW EN
98
I-SW FLG
40
87
SW2
PUSH
OPEN/
CLOSE
;
VBUS +5V
CONTROL
CONTROL
IC704
XOUT
XIN
73
72
X701
16.9344MHz
CLOCK
GENERATOR
MCU I/F
LCHO
76
RCHO
78
STREQ 54
UHD+
D+
38
UHD–
D–
37
STCK 55
STDATA 56
PCMREQ 65
PCMLRSY 62
PCMBCK 63
PCMDATA 64
P70/INT0/TOLCP/AN8
46
P24/INT5/INT7/SCK4
33
P22/INT4/SO4/RD
31
P23/INT4/SI4/WR
32
P07/AN7/T70
28
P06/AN6/T60
27
P05/AN5/CK0/SDAT
CD L-CH
RCH
26
RES
2
P16/T1PWML/DE
15
P12/SCK
11
P71/INT1/TOHCP/AN9
47
P30/UTX1
45
P31/URX1
44
P10/SO
9
P11/SI
10
7
6
X702
12MHz
USB I/F
IC702
J1001
(USB)
CF2
CF1
A
MAIN
SECTION
: USB
: CD
• Signal Path
• R-CH is omitted due to same as L-CH.
(Page 27)
CFD-RG880CP
CFD-RG880CP
26
26
7-2. BLOCK DIAGRAM – TUNER Section –
O-TU-CE
37
O-TU-CLK
35
O-TU-DATA
36
I-TU-COUNT
33
SYSTEM CONTROL
IC801(2/4)
19
L1
L3
FERRITE-ROD
ANTENNA
D1
D11
D10
2
24
21
22
20
FM
MIX
FM RF IN
FM RF OUT
FM OSC
AM RF IN
AM OSC
FM
OSC
AM
MIX
AM
OSC
OSC
OUT
4
MIX OUT
16
IF
BUFFER
CF2
CF4
7
6
FM IF-IN
AM IF-IN
FM
MPX
FM/AM
BUFFER
FM
DET
AM
DET
15
B
DET OUT
17
MUTE
12
11
11
R-CH
10
FM/AM FRONT-END
IF AMP,DET,FM MPX
23
5
RADIO 6V
QUAD
VCC1 VCC2
MAIN
SECTION
T2
CE
12
11
11
14
13
14
13
MO/ST
BAND
10
4
2
3
1
2
3
1
20
19
FM/AM PLL
IC2
FM IN
AM IN
AM IN
VDD
XOUT
XIN
CL
DI
DO
IF IN
MO/ST
6V
X1
75kHz
D909
U-COM(VDD)
TU LCH
RADIO 6V
CT1
L2
D2
RADIO 6V
CT3
RADIO 6V
D3
L4
ANTENNA
FM
TELESCOPIC
IC1
T1
18 LP OUT
16 PD
18
ST IND
8
ST IND
7
BAND
IFOUT
MPX-IN
O-TU-MUTE
34
RADIO 6V
ANT1
17 LP IN
CT1,L1
FM
TRACKING
L2
FM
FREQUENCY
COVERAGE
CT3,L3
AM
TRACKING
L4
AM
FREQUENCY
COVERAGE
T1
AM IF
T2
FM IF
MUTE
SWITCH
Q833
: FM
: AM
• Signal Path
• R-CH is omitted due to same as L-CH.
(Page 27)
CFD-RG880CP
CFD-RG880CP
27
27
7-3. BLOCK DIAGRAM – MAIN Section –
20
A
B
TUNER
SECTION
CD L-CH
R-CH
R-CH
RECORD/PLAYBACK
HEAD
HRP301
HE301
ERASE HEAD
R-CH
L-CH
REC BIAS
OSC
Q301
REC/PB PRE AMP
IC301
5
4
15
21
REC
TAPE
L.LIN
L.RAD
PB AMP
26dB
24
22
L.LO
TAPE
TAPE
T301
12
MUTE
Q101
AMP
Q301
AGC
DRIVE
Q304
3
8
STBY
POWER AMP
IC303
R-CH
J391
J
SPEAKER (L-CH)
SPEAKER (R-CH)
O-VOL-DATA
78
O-A-MUTE
63
O-TAPE
65
TAPE REC
SYSTEM CONTROL
IC801(3/4)
S301
REC/PB
REC AMP
AMP
BUFFER
7dB
64
I-TAPE PLAY
M
M971
CAPSTAN/REEL
MOTOR
S972
MOTOR
S971
PLAY
CD
SECTION
17
LINE
62
O-CD-SW
82
I-SPOUT-VOLTAGE
18
R.LO
6
REF
IN L1
IN L2
SEL1 L
OUT1 L
3
MUTE
23
26
66
10
VOL1 L
R-CH
R-CH
Q160
IC351
SDA
SCL
1
SOUND/VOLUME
IC301 (2/2)
INPUT SELECT
IC301 (1/2)
11
O-VOL-CLK
25
68
AGC
Q306
D303
D304
D307
D308
VDD(SW)
VDD(SW)
12
13
13
3
10
11
11
5
8
STBY
WOOFER AMP
IC302
73
WOOFER ON/OFF
72
WOOFER 1/2
SP191
SP291
SP393
WOOFER
AU 6V
BUZZER (R-CH)
SP292
BUZZER (L-CH)
SP192
PB
REC
LPF
Q303
HEADPHONE
DETECT SWITCH
Q305
GAIN
CONTROL
Q302
D305
D306
AUDIO +6V
TC+9V
J372
CNP2
AUDIO IN
L.IN
L.RO
TAPE MECHANISM DECK
TONE
SURROUND
MCU I/F
LOGIC
79
O-P-MUTE
R-CH
TU L-CH
: FM
: CD
• Signal Path
• R-CH is omitted due to same as L-CH.
: TAPE PLAY
: TAPE REC
: LINE IN
: USB
(Page 25)
(Page 26)
CFD-RG880CP
CFD-RG880CP
28
28
7-4. BLOCK DIAGRAM – POWER Section –
VDD+3.3V
LCD+3.3V
U-COM(VDD)
VDD(SW)
VDD+3.3V
VBUS
+5V
L901
VBUS+5V
REG
IC901
F982
BATT
F981
120-127V
F983
BR MODEL
EXCEPT
BR MODEL
BR MODEL
220-230V
D981—984
RECT
T981
POWER
TRANSFORMER
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
8PCS, 12V
D906
+3.3V
(CD)
5
CONT
O-POWER
74
I-KEY0
23
I-RES
11
CD3.3V CHK
21
O-5V
-ON
76
1
2
I-REG 6.2V
-CHK
81
CD+3.3V
REG
Q912
RESET
IC803
VDD+3.3V SWITCH
Q804,805
POWER
PROTECT
SWITCH
Q901
TC+9V
CD/RADIO
/LED+6.2V
/LED+6.2V
AUDIO+6V
VDD+3.3V REG
IC804
FB
4
VOUT
2
VIN 1
J981
AC IN
S981
VOLTAGE SELECTOR
D903
D902
I-VH-CHK
80
SYSTEM CONTROL
IC801 (4/4)
O-LCD INH
O-LCD CE
O-LCD SCL
O-LCD DATA
EPROM SCL
EPROM SDA
2
CD/RADIO
/LED+6.2V
/LED+6.2V
56
BACK LIGHT H
57
BACK LIGHT L
AC CHECK
Q808
D601,602
LCD
BACK
LIGHT
EEPROM
IC802
CLOCK
SHIFT
SWITCH
Q802,803
FUNCTION
SWITCH
S401-426
X802
10MHz
WAKE UP
SWITCH
Q801
LED DRIVE
Q817-832
BACK LIGHT
LED CONTROL
SWITCH
Q809-812
DISPLAY CONTROL
IC601
1
I
34
54
I
51
29
I-RMC
INH
CE
CL
CE
CL
SEG1
I
SEG34
COM1
I
COM14
DI
41
USB LED
42
USB REC LED
61
4
62
5
63
3
64
9
CF1
SCL
SDA
SDA
15
CF2 16
18
O-CLOCK SHFT2
O-CLOCK SHFT1
19
6
5
5
10
I-AC CHECK 88
REMOTE CONTROL
SIGNAL RECEIVER
IC602
LCD601
LIQUID
CRYSTAL
ELEMENT
I-KEY1
24
WOOFER LED1
43
WOOFER LED
POWER CONTROL
SWITCH
Q813-816
WOOFER LED2
44
I-KEY2
25
I-KEY3
26
I-KEY4
27
I-W
AKE UP
28
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
46 47 48 49 50 51 52 53
POWER
SWITCH
Q903,904
CD+6V
REG
Q906
TC+9V
REG
Q905
VDD+3.3V
SWITCH
Q806,807
AU+6V
REG
Q907
D604
VDD(SW)
D603
VDD(SW)
OPR/BATT
CD/RADIO
/LED+6.2V
/LED+6.2V
CD/RADIO
/LED+6.2V
/LED+6.2V
USB LED
DRIVE
Q401-404
D409
USB REC
D410
D401-408
(ILLUMINATION)
USB PLAY
JW987,
988
JW985,
986
• Abbreviation
BR: Brazilian model
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