Ic Pin Function Description - Sony HCD-HP7 Service Manual

HCD-HP7

8-13. IC Pin Function Description

• IC601 LC876796B-51K7-E (SYSTEM CONTROLLER)(PANEL B0ARD)
Pin No. Pin Name
1 SYS MUTE
2 BU1924 DATA
3 CD POWER
4 LC87646 RESET
5 LC87646 CE
6 LC87684 CE
7 M61529 CLK
8 PT8300 CE
9 LC72121 CE
10 LC87684 SYNC
11 RESET
12 XT1
13 XT2
14 VSS1
15 CF 1
16 CF 2
17 VDD1
18 TCM
19 TCM1
20 CDM ELVE-3,2,1
CDM ELVE-0/
21
SLDE-3,2
22 CDM SLDE-1,0
23 VACS
24 KEY 2
25 KEY 1
26 KEY 0
27 POWER DOWN
28 REMCON IN
29 BU1924 CLK
30 to 41 G12 to G1
42 to 45 P1 to P4
46 VDD3
47 to 50 P5 to P8
51 VPP
52 to 65 P9 to P22
66 CDM SW5-B
67 CDM SW5-A
68 CDM SW4
69 CDMSW2-B
70 CDM SW2-A
71 CDMSW1-A
72 VDD4
73 CDM SW3
74 TUNER TUNED
75 TUNER STEREO
76 CD DRF
77 CD WRQ
78 CD MUTE
79 VR ENCODER A
42
I/O
O System muting signal output
I RDS data input from the tuner
O Not used (open)
O Reset signal output to the RF amplifier (IC721)
O Chip enable signal output to the RF amplifier (IC721)
O Chip enable signal output to the MP3 decoder (IC801)
O Clock output to the sound processor (IC301)
O Chip enable signal output to the I/O expander (IC302)
O Chip enable signal output to the tuner
I MP3 frame sync signal input from the MP3 decoder (IC801)
I Reset signal input
I Resonator terminal (32.768kHz)
O Resonator terminal (32.768kHz)
— Ground terminal
I Resonator terminal (8MHz)
O Resonator terminal (8MHz)
— Power supply terminal
I Switch detection signal input from the tape deck
I Switch detection signal input from the tape deck
I Sensor signal input from the CD changer
I Sensor signal input from the CD changer
I Sensor signal input from the CD changer
I VACS signal input
I Key signal input from the S614 to 622
I Key signal input from the S601 to 610
I Key signal input from the S627 to 636
I Power down detection signal input from the IC603
I Remote control signal input from the remote sensor (RM601)
I RDS clock input from the tuner
O Grid signal output to the fluorescent indicator tube
O Segment output to the fluorescent indicator tube
— Power supply terminal
O Segment output to the fluorescent indicator tube
— Power supply terminal (negative)
O Segment output to the fluorescent indicator tube
I Stocker in/out switch signal input from the CD changer
I Disc position switch signal input from the CD changer
I Stocking switch signal input from the CD changer
I Disc in (8cm) switch signal input from the CD changer
I Disc in (play) switch signal input from the CD changer
I Disc insert switch signal input from the CD changer
— Power supply terminal
I Disc out switch signal input from the CD changer
I Tuner tuned status signal input from the tuner
I Stereo/mono signal input from the tuner
I DRF signal input from the RF amplifier (IC721)
I Subcode Q output standby signal input from the RF amplifier (IC721)
O Not used (open)
I Volume signal input from the rotary encoder (VR601)
Description