Diagrams; Ic Pin Description - Sony CDX-1300 Service Manual

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3-1. IC PIN DESCRIPTION

• IC600 µPD78005GC-133-8BT (SYSTEM CONTROL)
Pin No. Pin Name I/O
1 MCLK O Microcomputer command clock signal output (data latch on rising)
2 MDATA O Microcomputer command data signal output
3 MLD O Microcomputer command load signal output
4 AVSS — Analog ground
5 DSTSEL0 I Destination select setting input (Connect to ground in this set.)
6 DSTSEL1 I 9k/10k select setting input ("L": 9 kHz step, "H": 10 kHz step)
7 AVREF1 I Analog reference voltage input
8 SUBQ I Sub code Q data input
9 — — Not used.
10 SQCK O Clock output for sub code Q register.
11 LCDCE O LCD driver serial chip enable output
12 LCDSO O LCD driver serial data output
13 LCDCKO O LCD driver serial clock output
14 ILLON O Illumination power control output
15 UNICKI I SONY-BUS serial interface clock input
16 UNISI I SONY-BUS serial interface data input
17 UNISO O SONY-BUS serial interface data output
18 UNICKO O SONY-BUS serial interface clock output
19 SBCK O Clock output for error correction result read-in.
20 BUSON O BUS ON control output
21 SYS RST O System reset control output
22 RST O DSP reset signal output ("L" active)
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L 1 3 9 4 2 2 9 6 5 1 3
23 FOUT O Loading motor control output (Forward direction)
24 ROUT O Loading motor control output (Reverse direction)
25 CD-ON O CD power control output
26 PW-ON O System power control output
27 LIMSW I LIMIT switch input ("L" active)
28 FLAG I Data input for error correction result read-in.
29 SENS I SENS signal input
30 FLOCK I Focus servo pulling signal input ("L" active)
31 TLOCK I Tracking servo pulling signal input ("L" active)
32 STATE I Status signal input
33 VSS1 — Ground
34 VIB. I/O Vibration lens input/output
35 CDM-ON O CD machanism power control output
36 AMPMUT O Power amplifier mute control output
37 A-MUT O Audio mute control output
38 AD-ON O Power control output for A/D conversion.
39 PW-SEL O Not used in this set.
40 NOSESW I Front panel attachment detection input
41 TEST I Test mode direct setting input
42 TELMUT O Not used in this set.
43 ACCIN I Accessory power supply voltage detection input
44 VOLCE O Electric volume serial chip enable output
45 VOLSO O Electric volume serial data output
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46 BEEP O Beep output
47 TUNON O Tuner ON output
48 FMON O FM ON output
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49 PLLCE O PLL chip enable output
50 VOLCKO O Electric volume serial clock output
51 PLLSO O PLL data output
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SECTION 3

DIAGRAMS

Pin Description
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Pin No. Pin Name
52 PLLCKO
53 PLLSI
54 AMON
55 —
56 FMST
57 SW4
58 SW3
59 SW1
60 RESET
61 SIRCS
62 KEYACK
63 BUIN
64 BLKCK
65 SW2
66 FCLK
67 VSS0
68 VDD1
69 X2
70 X1
71 VPP
72 XT2
73 XT1
74 VDD0
75 AVREF0
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76 KEYIN0
77 KEYIN1
78 S-METER
79 SD-IN
80 LCDINH
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11 11
2 4 2
9 8
I/O Pin Description
O PLL clock output
I PLL data input
O AM ON output
— Not used in this set.
I/O ST-IND indication input/Forced Monaural output
I Switch 4 input ("L" active)
I Switch 3 input ("L" active)
I Switch 1 input ("L" active)
I System reset input
I Remote commander input
I Key input acknowledge
I Backup power supply detection input
I Sub code block clock signal input (interruption)
I Switch 2 input ("L" active)
I Latch input for error correction result read-in. (interruption)
— Ground
— Power supply pin (+5 V)
— Main system clock output (5 MHz)
— Main system clock input (5 MHz)
— Internal connection
— Sub system clock output (32.768 kHz)
— Sub system clock input (32.768 kHz)
— Power supply pin (+5 V)
— Analog reference voltage input
5 0 8 9 2 4 9 8 2
I Key input 0
I Key input 1
I AM/FM S-meter voltage detection input
I Signal detector input
O LCD blank indication control output
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9 9
9 9