Sony HCD-GRX5 / HCD-RX66 / MHC-GRX5 / MHC-RX66 Service Manual ▷ View online
– 67 –
– AUDIO Board –
IC602
µPC1330HA
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1 CONT
GND
VCC
SW P2 GND
SW R2
– PANEL Board –
IC603
BA3833FP
– MOTOR (TURN) Board –
IC701
M54641L
– MOTOR (SLIDE) Board –
IC801
BA6286N
REG
CONTROL
INPUT
AMP.
INPUT
AMP.
1
2
2
3
4
5
6
7
8
POWER AMP.
POWER AMP.
VCC
OUT1
IN2
REFERENCE
GND
IN1
OUT2
VCC
POWER
SAVE
CONTROL
LOGIC
TSD
1
2
3
4
5
6
7
8
9
10
GND
RIN
VREF
OUT2
RNF
GND
OUT1
VM
VCC
FIN
2
3
14
1
f04
13
f
12
VCC
11
NC
10
NC
15
f03
5
GND
6
BIAS
C
7
NC
8
NC
9
NC
4
16
f02
17
f01
18
RESET
RESET
C
PREF
LINE
NF
LINE
IN
REFFERENCE
CURRENT
BPF
DET
BPF
DET
BPF
DET
BPF
DET
DET
RESET
Bias
– 68 –
7-28.
IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD IC501
µ
PD780018AYGF-011-3BA (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Function
1
LINE-MUTE
O
Line muting on/off control signal output terminal “L”: muting on
2
DBFB-H/L
O
DBFB normal/high selection signal output to the M62442FP (IC101)
“L”: DBFB high, “H”: DBFB low
“L”: DBFB high, “H”: DBFB low
3
M62442-LATCH
O
Serial data latch pulse output to the M62442FP (IC101)
4
KEYCON-LATCH
O
Serial data latch pulse output terminal Not used (open)
5
POWER
O
Power on/off control signal output for the audio system (+5V) and deck, panel, audio system
(+7V) “L”: power on, “H”: standby
(+7V) “L”: power on, “H”: standby
6
F-RELAY
O
Relay drive signal output for the speaker protect “H”: on
7
R-RELAY
O
Relay drive signal output for the speaker protect “H”: on Not used (open)
8
PL-RELAY
O
Relay drive signal output for the speaker protect “H”: on Not used (open)
9
VPP
—
Ground terminal
10
X2
O
Main system clock output terminal (5 MHz)
11
X1
I
Main system clock input terminal (5 MHz)
12
VDD
—
Power supply terminal (+5V)
13
XT2
O
Sub system clock output terminal (32.768 kHz)
14
XT1
I
Sub system clock input terminal (32.768 kHz)
15
RESET
I
System reset signal input from the reset signal generator (IC502) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
16
AC-CUT
I
AC off detection signal input from the reset signal generator (IC502)
17
CAPM-CNT1P
O
Capstan motor (M1) drive signal output terminal
18
SCOR
I
Subcode sync (S0+S1) detection signal input from the CXD2519Q (IC103)
19
SOFT-TEST
O
Output terminal for the software test (open)
20
NCO
O
Not used (open)
21
RDS-INT
I
Serial data reading clock signal input for the radio data system Not used (fixed at “L”)
22
RDS-DATA
I
Serial data input for the radio data system Not used (fixed at “L”)
23
AVDD
—
Power supply terminal (+5V) (for A/D conversion)
24
AVREF
I
Reference voltage (+5V) input terminal (for A/D conversion)
25
ADJ
I
Setting terminal for the CD test mode Normally: “H”
26
A-SHUT
I
Shut off detection signal input from the deck-A side reel pulse detector (IC1001)
27
B-SHUT
I
Shut off detection signal input from the deck-B side reel pulse detector (IC1002)
28
B-HALF
I
Detection input from the deck-B half detect switch (S1006)
29
CLK-CHECK
I
Not used (fixed at “L”)
30
SPEC-IN
I
Setting terminal for the version
31
AMS-IN
I
Automatic music sensor detection signal input from the HA12215F (IC301)
32
DEMO-CHANGE
I
Setting terminal for the demonstration H/L Fixed at “L”
33
AVSS
—
Ground terminal (for A/D conversion)
34
SQ-DATA-IN
I
Sub-code Q data input from the CXD2519Q (IC103)
35
NCO
O
Not used (open)
36
SQ-CLK
(D-OUT ON/OFF)
O
Sub-code Q data reading clock signal output to the CXD2519Q (IC103)
37
SUPERWOOFER-
ON/OFF
O
Super woofer speaker on/off control signal output terminal Not used (open)
38
SUPERWOOFER
MODE
O
Super woofer speaker mode control signal output terminal Not used (open)
39
NIL
I
Not used (fixed at “L”)
40
VSS
—
Ground terminal
41
DELAY-CONT
O
Serial data latch pulse output terminal Not used (open)
– 69 –
Pin No.
Pin Name
I/O
Function
42
PL-LATCH
O
Serial data latch pulse output terminal Not used (open)
43
COM-DIN
I
Serial data input terminal Not used (fixed at “L”)
44
COM-DOUT
O
Serial data output terminal Not used (open)
45
COM-CLK
O
Serial data transfer clock signal output terminal Not used (open)
46
CD-POWER
O
Power on/off control signal output for the CD mechanism deck section
“H”: power on, “L”: standby
“H”: power on, “L”: standby
47
CD-DATA
O
Serial data output to the CXD2519Q (IC103)
48
CD-CLK
O
Serial data transfer clock signal output to the CXD2519Q (IC103)
49
PL-CLK
O
Serial data transfer clock signal output terminal Not used (open)
50
PL-DATA
O
Serial data output terminal Not used (open)
51
M62442-CLK
O
Serial data transfer clock signal output to the M62442FP (IC101)
52
M62442-DATA
O
Serial data output to the M62442FP (IC101)
53
LEVEL-CONT-A
O
Level control signal output terminal Not used (open)
54
LEVEL-CONT-B
O
Level control signal output terminal Not used (open)
55
IIC-DATA
I/O
Communication data bus with the fluorescent indicator tube driver (IC601)
56
IIC-CLK
I/O
Communication data reading clock signal input or transfer clock signal output with the fluo-
rescent indicator tube driver (IC601)
rescent indicator tube driver (IC601)
57
XRST
O
Reset signal output to the CXA1992AR (IC101), BA5941FP (IC102) and CXD2519Q (IC103) on
the CD mechanism deck section “L”: reset
the CD mechanism deck section “L”: reset
58
XLT
O
Serial data latch pulse output to the CXD2519Q (IC103)
59
FOCUS-SW
O
Focus control signal output terminal Not used (open)
60
TBL-L
O
Motor drive signal output to the disc tray turn motor driver (IC701) *1
61
TBL-R
O
Motor drive signal output to the disc tray turn motor driver (IC701) *1
62
NCO
O
Not used (open)
63
LOAD-OUT
O
Motor drive signal output to the disc tray slide motor driver (IC801) *2
64
LOAD-IN
O
Motor drive signal output to the disc tray slide motor driver (IC801) *2
65
ST-CLK
O
PLL serial data transfer clock signal output to the FM/AM tuner unit
66
ST-DIN
I
PLL serial data input from the FM/AM tuner unit
67
ST-DOUT
O
PLL serial data output to the FM/AM tuner unit
68
ST-CE
O
PLL chip enable signal output to the FM/AM tuner unit
69
TUNED
I
Tuning detection signal input from the FM/AM tuner unit “L”: tuned
70
STEREO
I
FM stereo detection signal input from the FM/AM tuner unit “L”: stereo
71
VSS
—
Ground terminal
72
ST-MUTE
O
Tuner muting control signal output to the FM/AM tuner unit “L”: muting on
73
SENS2
I
Internal status (SENSE) signal input from the CXA1992AR (IC101)
74
SENS
I
Internal status (SENSE) signal input from the CXD2519Q (IC103)
*2 Disc tray slide motor (M801) control
LOAD-OUT (pin ^£)
“H”
“H”
“L”
“L”
LOAD-IN (pin ^¢)
“H”
“L”
“H”
“L”
Terminal
STOP
TABLE IN
TABLE OUT
BRAKE
Mode
*1 Disc tray turn motor (M701) control
TB-L (pin ^º)
“H”
“L”
“H”
“L”
TB-R (pin ^¡)
“H”
“H”
“L”
“L”
Terminal
STOP
COUNTER-
CLOCKWISE
CLOCKWISE
BRAKE
Mode
– 70 –
Pin No.
Pin Name
I/O
Function
75
DISC-SENS
I
Disc status detection signal input from the disc sensor (IC703)
76
TBL-SENS
I
Disc tray status detection signal input from the disc tray sensor (IC702)
77
CAPM-CNT2P
O
Capstan motor (M1) drive signal output terminal
78
ENC3
I
79
ENC2
I
Detection signal input from the disc tray address detect rotary encoder (S811)
80
ENC1
I
81
OUT-OPEN
I
Detection signal input from the disc tray open/close detect switch (S801)
“L”: open, “H”: close
“L”: open, “H”: close
82
CAP-M-H/L
O
High/normal speed selection signal output of the capstan motor (M1)
“L”: high speed, “H”: normal speed
“L”: high speed, “H”: normal speed
83
B-TRG
O
Deck-B side trigger plunger (SL2) drive signal output terminal
84
A-TRG
O
Deck-A side trigger plunger (SL1) drive signal output terminal
85
CAPM-CNT1M
O
Capstan motor (M1) drive signal output terminal
86
CAPM-CNT2M
O
Capstan motor (M1) drive signal output terminal
87
TC-MUTE
O
Line muting on/off selection signal output to the HA12215F (IC301)
“L”: muting off, “H”: muting on
“L”: muting off, “H”: muting on
88
R/P-PASS
O
Recording/playback/pass selection signal output to the HA12215F (IC301)
“L”: recording mode
“L”: recording mode
89
NR-ON/OFF
O
Dolby NR on/off selection signal output to the HA12215F (IC301)
“L”: dolby off, “H”: dolby on
“L”: dolby off, “H”: dolby on
90
REC-MUTE
O
Recording muting on/off selection signal output to the HA12215F (IC301)
“L”: muting on, “H”: muting off
“L”: muting on, “H”: muting off
91
CLK-OUT
O
Clock output for the check Not used (open)
92
BIAS
O
Recording bias on/off selection signal output to the HA12215F (IC301)
“L”: bias off, “H”: bias on
“L”: bias off, “H”: bias on
93
EQ-H/N
O
Normal/high speed selection signal output to the HA12215F (IC301)
“L”: normal speed, “H”: high speed
“L”: normal speed, “H”: high speed
94
PB-A/B
O
Deck-A/B selection signal output to the HA12215F (IC301) “L”: deck-A, “H”: deck-B
95
A-PLAY-SW
I
Detection input from the deck- A play detect switch (S1001) “H”: deck-A play
96
B-PLAY-SW
I
Detection input from the deck- B play detect switch (S1002) “H”: deck-B play
97
TC-RELAY
O
Recording/playback select signal output to the REC/PB switch (IC602)
“L”: playback, “H”: recording
“L”: playback, “H”: recording
98
A-HALF
I
Detection input from the deck-A cassette detect switch (S1003)
“L”: cassette in, “H”: no cassette
“L”: cassette in, “H”: no cassette
99
ALC-ON/OFF
O
Automatic limiter control signal output to the HA12215F (IC301) “L”: limiter on
100
STK-MUTE
O
Power amplifier on/off selection signal output terminal “L”: on, “H”: standby
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