Sony HCD-GPX6 / HCD-GPX7 Service Manual ▷ View online
45
HCD-GPX6/GPX7
– MAIN Board –
IC302
BD3402KS2
1
D1
2
D2
3
E1
9
NC
10
NC
11
TAPE 1
12
TAPE 2
13
RECNF2
14
RECOUT2
5
PBNF2
6
PBOUT2
7
PBOUT1
4
E2
8
PBNF1
15
RECOUT1
16
RECNF1
33 VOLOUT1
34 NC
35 NC
36 VIN1
DIGITAL
CONTROL
64
C2
+
−
−
+
−
+
−
ALC
ATT
ALC
17
ALC
18
SC
19
SI
27
NC
28
NC
29
NC
30
NC
20
VDD
21
GND
22
VCC
23
NC
24
FILTER
32
VOLOUT2
25
NC
26
NC
+
−
−
BUFFER
MIX
31
NC
38 VIN2
37 TONE OUT1
48 NC
+
−
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−
−
63
C1
62
B2
61
B1
60
A2
59
A1
45 NC
44 BNF1
42 BOUT2
41 BNF2
39 TONE OUT2
40 NC
47 NC
46 NC
43 BOUT1
58
NC
56
NC
55
NC
57
NC
+
−
INPUT
SELECT
+
−
+
−
54
LINEOUT1
53
LINEOUT2
52
NC
51
NC
49
TNF2
50
TNF1
TONE
CONTROL
TONE
CONTROL
ATT
46
HCD-GPX6/GPX7
– AMP Board –
IC602
RT8H015C-T112-1
1
2
3
OCP
VP
OUT
OVER LOAD
DETECT
DC
DETECT
4
CT
5
GND
6
VCC
– PANEL Board –
IC801
µ
PD16315GB-3BS
5
OSC
OSC
DATA
SELECTOR
6
DOUT
7
DIN
8
CLK
9
STB
10
KEY1
11
KEY2
SERIAL
INTERFACE
DISPLAY MEMORY
24 BITS x 12 WORDS
24-BIT OUTPUT
LATCH
12-BIT SHIFT
REGISTER
SEGMENT
DRIVER
TIMING GENERATOR
KEY SCAN
COMMAND
DECODER
DIMMING
CIRCUIT
KEY DATA MEMORY
(2 x 16 BITS)
4-BIT LATCH
1
LED1
2
LED2
3
LED3
4
LED4
24
16
16
12
4
8
8
4
8
27 SEG14/KS14
29 SEG16/KS16
30 VEE
28 SEG15/KS15
8
31 SEG17/GRID12
33 SEG19/GRID10
32 SEG18/GRID11
23 SEG10/KS10
24 SEG11/KS11
25 SEG12/KS12
26 SEG13/KS13
22
SEG9/KS9
21
SEG8/KS8
20
SEG7/KS7
19
SEG6/KS6
18
SEG5/KS5
17
SEG4/KS4
16
SEG3/KS3
15
SEG2/KS2
14
SEG1/KS1
MULTIPLEXED
DRIVER
34
SEG20/GRID9
35
SEG21/GRID8
36
SEG22/GRID7
37
SEG23/GRID6
39
GRID4
40
GRID3
41
GRID2
42
GRID1
43
VDD
44
VSS
13
VDD
12
VSS
38
SEG24/GRID5
GRID
DRIVER
47
HCD-GPX6/GPX7
MAIN BOARD IC306 M3062CMEN-A00FPU0 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
CD DISCSENS 2
I
Not used
2
CD DISCSENS 1
I
Not used
3
STBY LED
O
LED drive signal output terminal (power)
4
SIRCS
IN/WAKE
I
SIRCS signal input terminal
5, 6
VOL A, VOL B
I
Jog dial pulse input terminal (volume)
7
FLSTB
O
Serial data read strobe signal output to the FL/LED driver
8
BYTE
I
External data bus width select signal input terminal
9
CNVSS
—
Ground terminal
10
XCIN
I
Sub system clock input terminal (32.768 kHz)
11
XCOUT
O
Sub system clock output terminal (32.768 kHz)
12
RESET
I
System reset signal input terminal “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”
13
XOUT
O
Main system clock output terminal (16 MHz)
14
VSS
—
Ground terminal
15
XIN
I
Main system clock input terminal (16 MHz)
16
VCC
—
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt signal input terminal Not used
18
RDS-CLK
I
RDS serial data transfer clock signal input terminal (AEP only)
19
CD SCOR
I
Subcode Q data request signal input terminal
20
AC-CUT
I
Power down detection signal input terminal “L”: power down
21
FL CLK
O
Serial data transfer clock signal output to the FL/LED driver
22
CD XRST
O
System reset signal output to the CD servo block
23
CD XLT
O
Latch pulse signal output to the CD servo block
24
CD SENS
I
Internal status (SENSE) input from the CD DSP
25
CD MILP
O
Serial data latch pulse output to the MP3 decoder
26
CD MICS
O
Chip select signal output to the MP3 decoder
27
CD MP3REQ
I
Data transfer request signal input from the MP3 decoder
28
CD MP3STB
O
Standby signal output to the MP3 decoder
29
IICCLK
I/O
IIC data transfer clock signal input and output Not used
30
IICDATA
I/O
IIC two-way data bus Not used
31
NC
O
Not used
32
CD MIACK
I
Acknowledge signal input from the MP3 decoder
33
CD MP3RST
O
Reset signal output to the MP3 decoder
34
CD CLK
O
Serial data transfer clock signal output to the CD DSP
35
CD MIDIO
O
Serial data output to the MP3 decoder
36
CD MIDIN
I
Serial data input from the MP3 decoder
37
CD MICK
O
Serial data transfer clock signal output to the MP3 decoder
38
CD DATA
O
Serial data output to the CD DSP
39
CD AMUTE
O
CD muting on/off control signal output terminal
40
ELV E3/TRE A
I
Jog dial pulse input from the rotary encoder (treble)
41
ELV E2/TRE B
I
Jog dial pulse input from the rotary encoder (treble)
42
ELV E1/BASS A
I
Jog dial pulse input from the rotary encoder (bass)
43
ELV E0/BASS B
I
Jog dial pulse input from the rotary encoder (bass)
44
SW4 (8CM)
I
CD disc size detection (8cm/12cm) signal input terminal Not used
•
IC Pin Function Description
48
HCD-GPX6/GPX7
Pin No.
Pin Name
I/O
Description
45
SW3 (PUSH-
CLOSE)
I
CD push-close switch input terminal Not used
46
SW2-1 (CLOSE)
I
CD close switch input terminal Not used
47
SW2-2 (LOD
POSITION)
I
CD loading position switch input terminal Not used
48
SW1 (OPEN)
I
CD open switch input terminal Not used
49
ELV NEG
O
Elevator up/down motor control signal output Not used
50
ELV POS
O
Elevator up/down motor control signal output Not used
51
LOD NEG
O
Loading motor control signal output Not used
52
LOD POS
O
Loading motor control signal output Not used
53
SW-POWER
O
Sub power block on/off control signal output terminal
54
—
O
Not used
55
XTCN
O
Oscillator control signal output to the CD DSP
56
—
O
Not used
57
CD BD POWER
O
Power on/off control signal output for CD block
58
RDS DATA
I
RDS serial data input terminal (AEP only)
59
CDM80
LOAD-OUT
O
Loading motor control signal output (loading out direction)
60
CDM80
LOAD-IN
O
Loading motor control signal output (loading in direction)
61
(TRIGGER SW)
CDM80 SW3
I
Trigger switch input terminal “L”: switch on
62
VCC
—
Power supply terminal (+3.3V)
63
(OUT SW)
CDM80 SW1
I
Out switch input terminal “L”: switch on
64
VSS
—
Ground terminal
65
(CHUCK SW)
CDM80 SW2
I
Chuck switch input terminal “L”: switch on
66
FAN DRIVE
O
Fan motor drive signal output terminal Not used
67
ST MUTE
O
Tuner muting on/off control signal output terminal
68
ST STEREO
I
FM stereo detection signal input from the tuner unit “L”: stereo
69
ST TUNED
I
Tuning detection signal input from the tuner unit “L”: tuned
70
ST CE
O
Chip enable signal output to the FM/AM tuner unit
71
ST DATA OUT
O
Serial data output to the FM/AM tuner unit
72
ST DATA IN
I
Serial data input from the FM/AM tuner unit
73
ST CLK
O
Serial data transfer clock signal output to the FM/AM tuner unit
74
KEY WAKE UP
I
System wake up signal input terminal in the standby status
75
TC PLAY
I
Tape play switch input terminal
76
TC TRG
O
Plunger driver signal output terminal “L”: plunger on
77
TC CAPM CONT
O
Capstan/reel motor drive signal output terminal “L”: forward, “H”: reverse
78
BIAS ON
O
REC bias on/off control signal output terminal “H”: REC bias on
79
TC R/P
O
PB/REC switching control signal output terminal “L”: PB
80
RY ON
O
Relay drive signal output for main power supply “H”: power on
81
WATPOW
O
Not used
82
TC DOOR SW
I
Tape deck lid open/close detection signal input terminal Not used
83
LINE MUTE
O
Line muting on/off control signal output terminal “H”: muting on
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