Sony CDX-R505X Service Manual ▷ View online
33
33
CDX-R505X
CDX-R505X
3-16. PRINTED WIRING BOARD — PRESET SECTION — • Refer to page 20 for Circuit Boards Location.
: Uses unleaded solder.
(Page 31)
1
A
B
C
D
2
3
4
5
6
7
8
9
10
11
12
13
14
D
KEY BOARD
CN903
1-864-699-
21
1-864-699-
21
LSW903
LSW905
LSW906
LSW907
LSW908
LSW909
LSW911
LSW912
LSW913
DSPL
5/BBE MP
2/SHUF
3
4
LSW910
6
1/REP
+
GP/PRESET
–
LSW904
MODE
SOURCE
LSW903
LSW904
LSW905
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
LSW913
R903
R904
R905
R906
R907
R908
R909
R910
R911
R912
R931
R942
R940
R941
R939
R932
R933
R934
R935
R936
R937
R938
CN905
R930
CP901
34
34
CDX-R505X
CDX-R505X
3-17. SCHEMATIC DIAGRAM — PRESET SECTION —
(Page 32)
R903
R904
R906
R907
R908
R909
R910
R911
R912
R905
CP901
R942
CN905
LSW903(2/2)
LSW903(1/2)
LSW904(2/2)
LSW904(1/2)
LSW907(2/2)
LSW907(1/2)
LSW908(2/2)
LSW908(1/2)
LSW911(2/2)
LSW912(2/2)
LSW905(2/2)
LSW906(2/2)
LSW909(2/2)
LSW910(2/2)
LSW913(2/2)
LSW905(1/2)
LSW906(1/2)
LSW909(1/2)
LSW910(1/2)
LSW911(1/2)
LSW912(1/2)
LSW913(1/2)
R931
R932
R935
R936
R939
R940
R934
R933
R937
R938
R930
R941
35
CDX-R505X
IC2 TC94A60MFG-301 (SERVO Board (1/2))
• IC BLOCK DIAGRAMS
IC6 R1114N151D-TR-FA (SERVO Board (1/2))
76
77
EFM SLICE
79
78
82
83
84
88
RFRP
VCO
SLCO
RFI
RFRPI
REFQO
RESIN
VRO
VMDIR
TESTR
INVSEL
AGCI
RFDCI
RFO
PNSEL
EQSET
RVDD3
LDO
MDI
RVSS3
FNI2
FNI1
FPI2
FPI1
TPI
TNI
FTE
RFZI
AVSS3
RFRP
FEI
SBAD/RFDC
TEI
TEZI
AVDD3
FOO
TRO
VREF
FMO
DMO
SBSY
SBOK
IPF
SFSY
GPIN
VDD15
ZDET
VSS15
XVSS3
XI
XO
XVDD3
PVSS3
VCOREF
VCOF
PVREF
LPFO
LPFN
TMAX
PDO
PVDD3
AWRC
VSS15
VDD15
LRCKI
BCKI
AIN
LRCKO
BCKO
DOUT
PIO3
AOUT
PIO2
PIO1
PIO0
TESTC
VDDP
VCOI
VSSP
VSSP
TESTD
IO1
IO0
FGIN
VDDT
STBY
/RST
/CCE
BUCK
BUS3
BUS2
BUS2
BUS1
BUS0
VSS15
VDDM
VDD3
VSS3
DVSS3
VSS3
DVSS3
LO
DVR
DVDD3
RO
DVSS3
AUDIO
OUT
DIGITAL
OUT
PLL
TMAX
RFEQ
85
AGC
86
RFDC
87
RF
RAM
DIGITAL EQ
AUTO ADJ.
ROM
91
APC
92
94
FE
95
98
TE
99
100
2
1
3
5
4
6
7 8
9
10 11
12 13
20 21 22
14
15
16
17
19
18
96
97
80
VRO
81
89
90
93
23
ANA.
LPF
24
25
SYNC SIGNAL PROTECTION
EFM DEMODULATION
69
68
63 62 61
56 55 54 53
50
45
44
43
41
40
39
38
37
36
35
34
33
32
32
31
30
29
28
27
26
42
49
48
46
47
60 59 58
57
52 51
66
65 64
67
70
74
75
73
1-BIT
DAC
CLOCK
GEN.
PWM
SUBCODE
DEMODULATION
CIRCUIT
16K
RAM
ADDRESS CIRCUIT
CPU
I/F
CORRRECTION
CIRCUIT
5-BIT
R-2R DAC
SERVO
CONTROL
10-BIT
SAR ADC
72 71
CLV SERVO
CAV SERVO
AWRC
1
VREF
VDD
GND
CE
CURRENT
LIMIT
2
3
5 VOUT
NC
4
IC601 BA8271F-E2 (MAIN Board (3/4))
1
2
3
4
5
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
GND
VCC
RESET
BUS ON
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
DATA
36
CDX-R505X
IC1 BA5968FP-E2 (SERVO Board (2/2))
1
2
11
13
14
12
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
MUTE
FWD
FWD
LDCTL
NC
OPOUT1
NC
NC
OPOUT2
POWVCC
VCC
VOL–
VOL+
VOL2–
VOL2+
VO1–
VO1+
REV
OPIN4+
OPIN4–
OPOUT4
OPIN3+
OPIN3–
OPOUT3
MUTE
VOL+
GND
VOL3–
VOL3+
VOL4–
VOL4+
REV
OUTR OUTF
10
9
8
7
6
5
28
27
26
25
24
23
22
21
20
19
18
17
16
15
4
3
IC300 TDA8588AJ/N2/R1 (MAIN Board (1/4))
MUTE
MUTE
ENABLE
LOGIC
STANDBY
MUTE
CHIP DETECT
DIAGNOSTIC
PROTECTION
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOADDUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
TAB
OUT FL-
OUT FL+
OUT RL-
OUT RL+
INRL
SGND
INRR
OUT RR+
OUT RR-
OUT FR+
OUT FR-
DIAG
SW2(ANT REM)
SW1(ANT REM)
REG3(SERVO)
REG4(DR+B)
VP(REG)
REG2(BU 5V)
SDA
SCL
VP2
PGND3
SVR
INFL
INFR
AC GND
PGND2
VP1
STB
PGND1
RST
CRES
REG1(AUDIO +B)
GND(REG)
REG5(ILL)
CBU
FL
RL
RR
VP
FR
I2C BUS
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