Sony HCD-CP300 Service Manual ▷ View online
36
HCD-CP300
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
O
O
O
O
O
O
I
O
I
I
—
O
—
O
O
O
O
I
I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
I
I
I
O
I
I
I
—
I
O
—
O
Pin Name
X-RST
AMP-MUTE
B/L CON
AU-MUTE
STBY ON
VOL CLK
VOL DATA
RDS DATA
FM ON
TUNED
TU DO
VCC
TU CK
VSS
TU D1
TU CE
CD LED
TU ON
VOL A
VOL B
TREBLE A
TREBLE B
BASS A
POWER KEY
BASS B
FUNCTION A
FUNCTION B
1DISC/ALL DISC
DSG
CD1 PB-A
CD1 PB-B
CD2 PB-A
CD2 PB-B
CD3 PB-A
CD3 PB-B
TAPE(A)
REC MUTE
CD-SYNC
KEY1
KEY2
KEY3
TAPE(B)
B-SHUT
A-SHUT
SIMUKE
AVSS
B-HALF
VRFF
AVCC
LVD RST
Description
CD reset signal output.
AMS signal output. “L”:IN,”H”:OUT.
Back light LED control signal output.
Audio mute signal output. “H”:IN,”L”:OUT.
Standby relay ON/OFF signal output.
VOL CLK signal output.
VOL DATA signal output.
RDS data signal input.
FM power “H”:ON,”L”:OFF.
TUNED detact signal input. “L”:IN,”H”:OUT.
Tuner data signal input.
Power supply.
Tuner clock signal output.
Ground terminal.
Tuner data signal output.
Tuner detect signal output.
CD LED control signal output.
Tuner LED signal output.
Volume signal inout from rotary encoder.
Volume signal inout from rotary encoder.
Treble signal inout from rotary encoder.
Treble signal inout from rotary encoder.
Bass ignal inout from rotary encoder.
Power ON/OFF signal input.
Bass ignal inout from rotary encoder.
Function signal inout from rotary encoder.
Function signal inout from rotary encoder.
DISC LED signal output.
DSG LED control signal output.
CD1 play LED signal output
CD1 disc LED signal putput.
CD2 play LED signal output
CD2 disc LED signal putput.
CD3play LED signal output
CD3 disc LED signal putput.
Tape A function LED signal output
REC MUTE ON/OFF signal output.
CD SYNC LED signal output.
Key input signal from function key.
Key input signal from function key.
Key input signal from function key.
Tape B function LED signal output
B deck reel pulse signal input.
A deck reel pulse signal input.
Version select input.
Ground terminal.
B deck half detect signal input.
Analog reference voltage.
Analog power supply.
LCD reset signal output.
37
HCD-CP300
IC603
BU1924AF (MAIN BOARD)
IC602
µPD7225G (MAIN BOARD)
IC101, 201
TDA7296 (MAIN BOARD)
THERMAL
SHUTDOWN
BIPOLAR
TRANSCONDACTANCE
INPUT STAGE
STANDBY/
MUTE
BOOST-
STRAP
MOS GAIN &
LEVEL SHIFTING
STAGE
STBY
-GND
IN–
IN+
IN+ MUTE
NC
BOOSTSTRAP
+VS
–VS
STBY
MUTE
NC
NC
+PWVS
OUT
–PWVS
14 15
12
13
10
11
8 9
6
7
5
3
4
1 2
+
–
MOS
OUTPUT
STAGE
SHORT
CIRCUIT
PROTECTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
QUAL
R
D
ATA
VREF
VDD1
VSS1
MUX
VSS3
CMP
RCLK
XO
XI
(NC)
VDD2
VSS2
T1
T2
8TH SWITCHED
CAPACITOR
FILTER
PLL 57KHz
RDS/ARI
BIPHASE
DECODER
DEFFERENTIAL
DECODER
PLL
1187.5Hz
TEST
CLOCK
3
V 1
4
5
2
LCD
TIMING
CONTROL
OSC
WRITE CONTROL
BLINKING
DATA
MEMORY
DATA
POINTER
DATA
MEMORY
SEGMENT
DECODER
DECODER
52
6
13
CL1
1
CL2
COM3
SIRIAL INTERFACE
COMMAND / DATA REGISTER
19 – 32 ,
34 – 51
S0 – S13 ,
S14 – S31
7, 33
LC
V
DD
V
SS
V 2
LC
V 3
LC
SYNC
RESET
9
18
COM2
17
COM1
16
COM0
15
SI
8
SCK
6
13
V
SS
RESET
13
RESET
COMMAND
DECODER
LCD DRIVER
DESPLAY DATA LATCH
6-21. IC BLOCK DIAGRAMS
38
HCD-CP300
IC401
TA8189N (TC BOARD)
CH2/A CH2/B
NF
VCC
CG
NF
ALC
METAL
OUT
PRE
OUT
OUT
TAPE A
/TAPE B
REC
OUT
OUT
REC
IN
CH1/A CH1/B
NF
GND1
M/H
NF
CH2
CH2
ALC
M/N
CH1
GND
GND
CH1
+
–
+
–
+
–
+
–
A/B
GND
METAL
OUT
PRE
OUT
OUT
MIX
OUT
REC
OUT
OUT
REC
IN
IREF
VREF2
VREF1
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
IC701
BA6956AN (DRIVER BOARD)
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
IC101
CXD3017Q (CD BOARD)
1
2
3
10 11 12 13 14 15 16 17 18
19
20
60
59 58 57
56
55
54
52
51
50
49
48
47
46 45 44
53
21
39
40
41
42
43
22
23
79
24
26
25
28
27
29
30
31
32
35
36
37
38
33
34
80
62
61
77
78
78
75
76
76
73
74
72
71
70
69
66
65
64
63
68
67
4
5
6
7
8
9
D/A
Interface
Digital
PLL
CPU
Interface
Digital
OUT
Serial-In
Interface
Over Sampling
Digital Filter
Timing
Logic
PWM
3rd-Order
Noise Shaper
PWM
Asymmetry
Corrector
A/D
Converter
OP Amp
Analog SW
Clock
Generator
Digital
CLV
MIRR
DFCT
FOK
SERVO DSP
FOCUS
SERVO
SERVO
TRACKING
SERVO
SELED
SERVO
EFM
Demodurator
Servo Auto
Sequencer
SERVO
Interface
Error
Corrector
16K
RAM
Sub Code
Processor
PWM
GENERATOR
FOCUS PWM
GENERATOR
TRACKING
PWM
GENERATOR
SLED PWM
GENERATOR
SQSO
SQCK
XRST
DATA
XLAT
CLOK
SENS
SCLK
VDD
SPOA
SPOB
XLON
XPCK
SCOR
COUT
MIRR
DFCT
FOK
LOCK
MDP
SSTP
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
TEST
TES1
VC
FE
SE
TE
CE
RFDC
ADIO
IGEN
ASYO
ASYI
BIAS
RFAC
CLTV
FILO
FILI
PCO
DOUT
XTAI
XTAO
AVDD1
AOUT1
AIN1
LOUT1
LOUT2
AIN2
AOUT2
LMUT
XVSS
RMUT
SYSM
ATSK
WFCK
XUGF
GFS
C2PO
VSS
XTSL
AVDD
AVSS
AVSS
AVDD
VSS
VDD
LRCK
PCMD
BCK
EMPH
XVDD
AVSS1
AVSS2
AVDD2
39
HCD-CP300
IC102 BA5974FP (CD BOARD)
IC103 CXA2581N (CD BOARD)
LEVEL SHIFT
INTERFACE
INTERFACE
INTERFACE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
20
21
22
23
24
25
26
27
28
19
18
17
16
15
F
R
R
F
F
R
R
F
R
R
F
F
MUTE
THERMAL
SHUTDOWN
VREFOUT
VREFIN
POWVCC
CH1FIN
CH1RIN
CH2FIN
CH2RIN
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
CAP
AIN1
CAP
AIN2
GND
PRFVCC
MUTE
POWVCC
CH4SIN'
CH4SIN
CH4BIN
CH3FIN
CH3RIN
CH3OUTR
CH3OUTF
CH4OUTR
CH4OUTF
CAP
AIN3
GND
RW/
ROM
ROM
EQ ON/OFF
VOFST
VC
DVC
30
29
28
+
–
VCC
DVC
DVCC
27
26
25
24
RW/
ROM
ROM
RW/
ROM
ROM
RW/
ROM
ROM
RW/
ROM
ROM
EQ
23
22
21
20
19
AC
VCA
VCC
+
–
+
–
+
–
+
–
+
–
3
A
B
C
D
B
C
A
A
A
B
C
D
B
C
D
C
D
D
1
2
APC
5
6
7
8
9
4
AC
SUM
APC-OFF
(Hi-Z)
RW/ROM
(H/L)
VC
+
–
10
11
GM
GM
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
F
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
DVC
VC
VOFST
DVC
VC
RW/
ROM
ROM
RW/
ROM
ROM
VC
DVCC
RW/
ROM
ROM
RW/
ROM
ROM
+
–
VC
VC
DVCC
+
–
+
–
DVC
DVCC
VOFST
VOFST
VC
VC
VC
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