Sony CMT-HP8V / HCD-HP8V Service Manual ▷ View online
49
HCD-HP8V
-VCC
+VCC
CH2 OUT(+)
CH2 OUT(-)
CH1 OUT(+)
CH1 OUT(-)
+PRE
SUB
GND
CH1 IN
CH1 NF
ST
-BY
CH2 NF
CH2 IN
1
2
3
4
5
6 7 8 9 10 11
12
13 14
PRE DRIVER
CH1
BIAS
CIRCUIT
SUB
PRE DRIVER
CH2
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
— MAIN Board —
IC201 HA12237F
— PWR AMP Board —
IC501 STK403-070S
— CONNECTOR Board —
IC701, 711, 721 BA6956AN
50
HCD-HP8V
8-17.
IC Pin Function Description
• IC601 LC876796B-51Y2-E (SYSTEM CONTROLLER)(PANEL 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 to 41
42 to 45
46
47 to 50
51
52 to 65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
I/O
O
I
O
O
O
O
O
O
O
O
I
I
O
—
I
O
—
I
I
I
I
I
I
I
I
I
I
I
I
O
O
—
O
—
O
I
I
I
I
I
I
—
I
I
I
O
O
O
I
Pin Name
SYS MUTE
BU1924 DATA
CD POWER
SYS-RESET
SYS-CE
SYS-REQ
M61529 CLK
PT8300 CE
LC72121 CE
SYS-OK
RESET
XT1
XT2
VSS1
CF 1
CF 2
VDD1
TCM
TCM1
CDM ELVE-3,2,1
CDM ELVE-0/
SLDE-3,2
CDM SLDE-1,0
VACS
KEY 2
KEY 1
KEY 0
POWER DOWN
REMCON IN
BU1924 CLK
G12 to G1
P1 to P4
VDD3
P5 to P8
VPP
P9 to P22
CDM SW5-B
CDM SW5-A
CDM SW4
CDMSW2-B
CDM SW2-A
CDMSW1-A
VDD4
CDM SW3
TUNER TUNED
TUNER STEREO
VIDEO-MUTE
VIDEO-SW
CD MUTE
VR ENCODER A
Description
System muting signal output
RDS data input from the tuner
CD power supply on/off control signal output
System reset signal output
Chip enable signal output to the IC505
Request signal output to the IC505
Clock output to the sound processor (IC301)
Chip enable signal output to the I/O expander (IC302)
Chip enable signal output to the tuner
Acknowledge signal output to the IC505
Reset signal input
Resonator terminal (32.768kHz)
Resonator terminal (32.768kHz)
Ground terminal
Resonator terminal (8MHz)
Resonator terminal (8MHz)
Power supply terminal
Switch detection signal input from the tape deck
Switch detection signal input from the tape deck
Sensor signal input from the CD changer
Sensor signal input from the CD changer
Sensor signal input from the CD changer
VACS signal input
Key signal input from the S614 to 622
Key signal input from the S601 to 610
Key signal input from the S627 to 636
Power down detection signal input from the IC603
Remote control signal input from the remote sensor (RM601)
RDS clock input from the tuner
Grid signal output to the fluorescent indicator tube
Segment output to the fluorescent indicator tube
Power supply terminal
Segment output to the fluorescent indicator tube
Power supply terminal (negative)
Segment output to the fluorescent indicator tube
Stocker in/out switch signal input from the CD changer
Disc position switch signal input from the CD changer
Stocking switch signal input from the CD changer
Disc in (8cm) switch signal input from the CD changer
Disc in (play) switch signal input from the CD changer
Disc insert switch signal input from the CD changer
Power supply terminal
Disc out switch signal input from the CD changer
Tuner tuned status signal input from the tuner
Stereo/mono signal input from the tuner
Video muting signal output to the video amplifier (IC307)
Not used (open)
CD muting signal output
Volume signal input from the rotary encoder (VR601)
51
HCD-HP8V
Pin No.
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
I
I
I
I
I
O
O
O
O
—
—
O
O
O
O
O
I
O
O
I
O
Pin Name
VR ENCODER B
CDM D.SENSOR
PROTECTOR
TAPE END
MODE SW IN
LINE OUT MUTE
DISC5 LED
DISC4 LED
DISC3 LED
VSS2
VDD2
DISC2 LED
DISC1 LED
POWER LED
POWER RELAY
LC72121/M61529/
PT8300 DO
LC72121 DI
LC72121/PT8300
CLK
SYS-OUT
SYS-IN
SYS-CLK
Description
Volume signal input from the rotary encoder (VR601)
Disc detection signal input
Protection signal input from the power amplifier circuit
Tape end detection signal input from the tape deck
Mode setting signal input
Line out muting signal output
Disc LED control signal output
Disc LED control signal output
Disc LED control signal output
Ground terminal
Power supply terminal
Disc LED control signal output
Disc LED control signal output
Power LED control signal output
Power relay on/off control signal output
Data output to the tuner, the sound processor (IC301) and the I/O expander (IC302)
Data input from the tuner
Clock output to the tuner and the I/O expander (IC302)
Serial command data output to the IC505
Serial command data input from the IC505
Serial command clock output to the IC505
52
HCD-HP8V
Pin No.
Pin Name
I/O
Description
1
VB
O
Connected to ground via a capacitor
2
IREF
O
D/A converter reference current output
3
VRF
I
D/A converter reference voltage input
4
VG
O
Connected to the analog power supply (+2.5V) via a capacitor
5
XCPSIG
O
Luminance video composite/component signal invert output terminal Not used
6
CPSIG
O
Luminance video composite/component signal output
7
NC
O
Chrominance video composite signal output Not used
8
V AVD2
—
Analog power supply terminal (+2.5V) (for D/A converter)
9
V AVS2
—
Analog ground terminal (for D/A converter)
10
IVD1
—
Power supply terminal (+3.3V) (for I/O)
11
I2C CLK
I/O
Communication data reading clock signal input or transfer clock signal output terminal
Not used
Not used
12
I2C DATA
I/O
Communication data bus terminal Not used
13
GPIO0
I
Serial data input from the system controller
14
GPIO1
O
Serial data output to the system controller
15
GPIO2
O
Serial data transfer clock signal output to the system controller
16
GPIO3
I
Request signal input from the system controller
17
LVD1
—
Digital power supply terminal (+2.5V) (for AV decoder block)
18
GPIO4
I
Acknowledge signal input from the system controller
19
GPIO5
O
Chip select signal output to the system controller
20, 21
GPIO6, GPIO7
I/O
Not used
22
LVS1
—
Digital ground terminal (for AV decoder block)
23
GPIO8
I/O
Not used
24
GPIO9
O
Frequency selection signal output
25
GPIO10
I/O
Not used
26
GPIO11
O
Serial data latch pulse signal output to the digital filter
27
LVD2
—
Digital power supply terminal (+2.5V) (for AV decoder block)
28
GPIO12
O
Control signal output to the D/A converter
29
GPIO13
O
Serial data transfer clock signal output to the digital filter and D/A converter
30
GPIO14
O
Serial data output to the digital filter and D/A converter
31
IVS1
—
Ground terminal (for I/O)
32
LVS2
—
Digital ground terminal (for AV decoder block)
33
IVD2
—
Power supply terminal (+3.3V) (for I/O)
34 to 37
DRADR0 to
DRADR3
O
Address signal output to the D-RAM and program ROM
38
LVD3
—
Digital power supply terminal (+2.5V) (for AV decoder block)
39 to 45
DRADR4 to
DRADR10
O
Address signal output to the D-RAM and program ROM
46
LVS3
—
Digital ground terminal (for AV decoder block)
47
IVS2
—
Ground terminal (for I/O)
48
IVD3
—
Power supply terminal (+3.3V) (for I/O)
49 to 56
DRDAT0 to
DRDAT7
I/O
Two-way data bus with the D-RAM Data input from the program ROM
57
IVS3
—
Ground terminal (for I/O)
58
IVD4
—
Power supply terminal (+3.3V) (for I/O)
• IC505 CXD1887R (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, MPEG VIDEO/AUDIO DECODER,
VIDEO SIGNAL ENCODER)(VMP BOARD)
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