Sony HCD-GRX40AV / HCD-RXD6AV / MHC-GRX40AV / MHC-RXD6AV Service Manual ▷ View online
37
IC703
BA5936S (CD DECORD Board)
IC702
CXD2589Q (CD DECORD Board)
51
52
35
38
37
36
31
29
33
10
11
18
13 14
15 16 17 57 58
74
21
22
53
75
76
67
66
65
59
9
8
7
5 4
6
12
30
48
25 26
27
47 49 54 56
50 39 41
43
55 40 42 44 62
70
3
2
71
79
23
24
28
Clock
Generator
OSC
EFM
demoduretor
Error
Corrector
16K
RAM
Asymmetry
Corrector
Corrector
Digital
PLL
Servko
Auto
Sequencer
Sub Code
Processor
Processor
CPU
Interface
D/A
Interface
Serial In
Interface
Over Sampling
Digital Filter
3rd Order
Noise Shaper
Timing
Logic
Digital
OUT
Digital
CLV
PWM
PWM
XTSL
VPCO
VCKI
V16M
VCTL
XUGF
GFS
EMPH
WFCK
C2PO
LECK
PCMD
BCK
EMPHI
LECKI
PCMDI
BCKI
SYSM
TES1
TEST
XRST
RMUT
LMUT
XTAI
XTAO
AOUT1
AIN1
LOUT1
AOUT2
AIN2
LOUT2
DOUT
PWMI
MDP
SQCK
SQSO
EXCK
SBSO
SCOR
XLON
SPOB
SPOA
CLOK
XT
AL
D
ATA
SENS
CLKO
XL
TO
DA
TO
CNIN
SEIN
FOK
CLTV
PCO
FILI
FILO
XPCK
BIAS
ASYO
ASYI
RF
C4M
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
LEVEL SHIFT
LEVEL SHIFT
LEVEL SHIFT
LEVEL SHIFT
LEVEL SHIFT
LEVEL SHIFT
MUTE
T.S.D
BIAS
BIAS
BIAS
VCC
100
BIAS
BIAS
VCC
VCC
DETECTION
DF REG-OUT
CURRENT
100
100
10K
10K
D
D
D
D
D
D
D
D
D
D
D
D
100
OUT1–
OUT1+
OUT2–
OUT2+
IN2
IN1
VCC
VCC
REG-I
REG-B
REG OUT
IN3-R
IN3-F
OUT3+
OUT3–
GND
OUT4–
OUT5–
OUT4+
OUT5+
IN 5
IN 4
VCC
BIAS IN
GND
GND
MUTE IN
IN6-R
IN6-F
OUT6+
OUT6–
GND
13.3K
13.3K
13.3K
38
IC701, 702 BU2092 (FRONT Board)
IC603 74HC165 (FLD Board)
1 2
3
4
5 6 7 8 9
10
16 15 14 13 12 11
CONTROL
CIRCUIT
12 BIT
SHIFT
REGISTER
12 BIT
STORAGE
REGISTER
OUTPUT
BUFFER
(OPEN DRAIN)
17
18
VDD
OE
Q11
Q10
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
LCK
CLOCK
DATA
VSS
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
CK
E
F
G
H
QH
D
C
B
A
SERIAL
IN
CLOCK
INHIBIT
SHIFT/
LOAD
GND
QH
VCC
OUTPUT
QH
SERIAL
INPUT
A
B
C
D
CLOCK
INHIBIT
SHIFT/
LOAD
CLOCK
E
F
G
H
OUTPUT
QH
PARALLEL INPUTS
PARALLEL INPUTS
39
IC103 LC72131 (MAIN Board)
IC201 TA8189N (MAIN Board)
PHASE
DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS
PROGRAMMABLE
DRIVER
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
CCB
INTERFACE
1
2 3 4 5
6 7 8 9
16
15
14
13
12
11
10
17
18
19
20
XOUT
VSS
AOUT
AIN
PD
VDD
FMIN
AMIN
XIN
DO
CL
DI
CE
IFIN
IO1
BO4
BO3
BO2
BO1
IO2
UNLOCK
DETECTOR
DATA SHIFT REGISTER LATCH
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
40
7-18.
IC PIN FUNCTION DESCRIPTION
• FLD BOARD IC601 CXP82040-109Q (SYSTEM CONTROL)
Pin No.
1,2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29 to 31
32
33 to 36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
—
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
O
I
I
I
I
I
I
—
—
—
I
I
—
—
I
I
I
I
I
Description
FLD grid output.
Not used.
CXD2589Q SCOR input.
CXD2589Q COUNT input.
Power data input.
FOK input.
Remote signal input.
Data input.(DECK secton)
S/L output.(DECK secton)
STB output.(CD,DECK section)
CXA1992BR LOCK output.
CXD2589Q CLOCK output.
Mode switch input.
TDA7439 CLOCK output.
M62463 CE output.
Function control output.
LATCH output.
LATCH output.
CXD2589Q XLAT output.
LC72131 CE output.
CXD2589Q SQCK output.
CXD2589Q SQSO output.
CXD2589Q DATA output.
S.CLOCK output.
S.DATA input.
S.DATA output.
FM Stereo input.
Key input 0 to 2.
VACS input.
Spectrum Analyzer input.
AMS input.
RESET input.
X’TAL 10MHz
X’TAL 10MHz
Ground.
CXD2589Q SENS1 input.
CXD2589Q SENS2 input.
VDD.
VFDP.
Pick-up up switch signal input.
Pick-up down switch signal input.
Disc count switch signal input.
Turn Table switch signal input.
Tray open switch signal input.
Pin Name
2G,1G
NC
SCOR
COUNT
POWER DOWN IN
FOK
REMOTE IN
DATA IN
S/L
DECK,CD STB
LOCK
CLOCK
MODE SW IN
CLOCK
CE
CTRL
LATCH B
LATCH A
XLAT
CE
SQCK
SQSO
DATA
S.CLOCK
S,DATA IN
S.DATA OUT
FM STEREO IN
KEY IN O to 2
VACS IN
SPEANA IN 1 to 4
ANS IN
RESET
EXTAL
XTAL
VSS
SENS1
SENS2
VDD
VFDP
PICK UP SW
PICK DOWN SW
DISC COUNT SW
TURN TABLE SW
TRAY O. SW
Click on the first or last page to see other HCD-GRX40AV / HCD-RXD6AV / MHC-GRX40AV / MHC-RXD6AV service manuals if exist.