Sony CMT-GP7 / HCD-GP7 Service Manual ▷ View online
41
HCD-GP7
— MAIN Board —
IC101 LC75342
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CONTROL
CIRCUIT
CCB
INTERF
ACE
1
2
3
4
5
6
7
8
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
15
14
13
12
11
10
9
DI
CE
VSS
TEST
LOUT
LBASS2
LBASS1
LTRE
LIN
LSELO
L4
L3
L2
L1
NC
CL
VDD
VREF
RVREF
LVREF
NC
ROUT
RBASS2
RBASS1
RTRE
RIN
RSELO
R4
R3
R2
R1
NC
IC311 BA6956AN
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
42
HCD-GP7
— PANEL Board —
IC801 PT6315
1
2
3
4
5
4-bit latch
24-bit output latch
12-bit shift register
Data selector
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Serial
interface
OSC
Timing generator
key scan
Display memory
24 bits x 12 words
Key data memory
(2 x 16 bits)
Command decoder
segment driver
Grid driver
Multiplexed driver
39
40
41
42
43
44
LED1
LED2
LED3
LED4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1/KS1
SEG2/KS2
SEG3/KS3
SEG4/KS4
SEG5/KS5
SEG6/KS6
SEG7/KS7
SEG8/KS8
SEG9/KS9
SEG10/KS10
SEG20/GRID9
SEG21/GRID8
SEG22/GRID7
SEG23/GRID6
SEG24/GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
SEG11/KS11
SEG12/KS12
SEG13/KS13
SEG14/KS14
SEG15/KS15
SEG16/KS16
VEE
SEG17/GRID12
SEG18/GRID11
SEG19/GRID10
43
HCD-GP7
7-15. IC Pin Function Description
• IC104 CXD9717R-008 D/A Converter, MP3 Decoder (CD Board)
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
30
31 to 34
35
36
37
38
39
40
41
42
43
44
45
46, 47
48
49, 50
51
52
53
I/O
I
I
I
I
I/O
I
O
–
O
O
O
I
I
I
I
I
I
–
I
–
–
–
O
–
–
O
–
–
I
O
O
–
O
O
O
O
–
I
–
I
I
–
I
–
I
I
–
I
Pin Name
RESET
MIMD
MICS/AD0
MILP/AD1
MIDIO
MICK
MIACK/AD2
VDDT
SDO
BCKO/AD3
LRCKO/AD4
SDI0
BCKIA
LRCKIA
SDI1/AD5
BCKIB/CE
LRCKIB/OE
VDD
STANDBY
VSS
VSSL
VRAL
LO
VDAL
VDAR
RO
VRAR
VSSR
TESTP
CSK
PO0/AD12 to PO3/AD09
VDDT
PO4/AD8
PO5/AD7
PO6/AD6
PO7
VSS
FI0/AD13
FI1/AD14/VDDM
FI2/WR
FI3/AD16
VSSM
PI0, PI1
VSS
PI2/IO2, PI3/IO3
PI4/IO4
VDD
PI5/IO5
Description
Reset input terminal “L”: reset
Microcomputer interface mode selection input “H”: I2C, “L”: TSB (fixed at “L”)
Microcomputer interface chip select signal input
Microcomputer interface latch pulse input
Serial data input/output
Serial clock input
Microcomputer interface acknowledge signal output
Power supply (3.3V) for digital circuit
Data output (open)
Bit output (open)
LR clock output (open)
Data input 0
Bit clock input A
LR clock input A
Data input 1 (fixed at “L”)
Bit clock input B (fixed at “L”)
LR clock input B (fixed at “L”)
Power supply (2.5V) for digital circuit
Standby mode control signal input “H”: STB, “L”: normal (fixed at “H”)
Ground for digital circuit
Ground for DAC Lch
Reference voltage terminal for DAC Lch
DAC Lch signal output
Power supply (2.5V) for DAC Lch
Power supply (2.5V) for DAC Rch
DAC Rch signal output
Reference voltage terminal for DAC Rch
Ground for DAC Rch
Terminal for test “H”: test mode, “L”: normal (fixed at “L”)
SPDIF signal output (open)
General purpose output (open)
Power supply (3.3V) for digital circuit
General purpose output (open)
General purpose output (open)
General purpose output (open)
Interrupt request signal output to the system control
Ground for digital circuit
External interrupt signal input (fixed at “L”)
Power supply (2.5V) for the internal 1Mbit SRAM
Flag signal input 0 (fixed at “L”)
Flag signal input 1 (fixed at “L”)
Ground for the internal 1Mbit SRAM
General purpose input (fixed at “L”)
Ground for digital circuit
General purpose input (fixed at “L”)
General purpose input (fixed at “L”)
Power supply (2.5V) for digital circuit
General purpose input/SUBQ interface data input (fixed at “L”)
44
HCD-GP7
Pin No.
54
55
56
57
58
59
60
61
62
63
64
I/O
I
I
–
O
I
–
O
–
I
O
–
Pin Name
BOOT/IO6
TXO/IO7
VSSP
PDO
VCOI
VDDP
CKO
VDDX
XI
XO
VSSX
Description
Terminal for test/SUBQ interface frame sync input (fixed at “L”)
Flag signal input 2/SUBQ interface block sync input (fixed at “L”)
Ground for VCO circuit
PLL phase error detection signal output
VCO control voltage input
Power supply (2.5V) for VCO circuit
External clock output
Power supply (2.5V) for oscillation circuit
Resonator terminal (input)
Resonator terminal (output)
Ground for oscillation circuit
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