Diagrams; Ic Pin Function; 1C601 System Control Microprocessor (Upd78043Gf-079-3B9) - Sony LBT-A790 Service Manual

3-1. IC PIN FUNCTION
*1C601_ SYSTEM CONTROL MICROPROCESSOR (uPD78043GF-079-3B9)
SECTION 3
DIAGRAMS
Pin No. Pin Name vo Function
1—7 | T6—TO O | Digit signal output to the FL tube (FL601)
8 VDD — | Power supply terminal (+5V)
9
RDS CLOCK I
RDS clock signal input from the RDS decoder (IC83_LC7073M)
10 _ I | Notused (connected to ground)
il RDS DATA
1
RDS data signal input from the RDS decoder (IC83_LC7073M)
12 RDS RESET ce) Reset signal output to the RDS decoder (IC83 LC7073M)
13 LATCH ie) Latch signal output to the PLL (ICS! LC7218)
14 CLOCK ce) Clock signal output to the PLL (IC51_LC7218)
15 DATA OUT oO Data signal output to the PLL (IC51_ LC7218)
16 DATA IN I Data signal input from the PLL (IC51_LC7218)
Te RESET I System reset input
18 TUNED 1 TUNED indication signal input
19 STEREO 1 STEREO indication signal input
20 A/D GND rs Ground for A/D conversion
3 = I Not used (connected to ground)
26— 28 | KEY IN 1 Key input terminal (A/D input)
29 AID +5V — | Analog power supply for A/D conversion (+5V)
30 A/D REF +5V = Reference voltage input for A/D conversion (+5V)
31 = I Not used (connected to ground)
32 = — | Notused (open)
33 SYS GND Sa System ground terminal
34 XI I Main system clock input (4.194304 MHz)
35 x2 fe} Main system clock output
36 RDS EON OUT fe) RDS EON output
37 F MONI O | F monitor output (2048 Hz) Not used this set (open)
38— 42 ne I Not used (connected to ground)
4B CD BUSY 1 | CD busy input Not used this set (connected to ground)
44 RDS START I RDS data start control signal input from the RDS decoder (IC83 LC7073M)
45 SIRCS I Sircs signal input from the remote control receiver (IC602)
46 AUB IN I Audio bus input
47 INTPO I Power failure detection input
48 GND ra Ground terminal
49 AUB OUT oO Audio bus output
50 MUTING O | Muting signal output
Si RELAY ie} Power ON/OFF control output to RY801
52 VDD — | Power supply terminal (+5V)
53—55| — I | Not used (connected to ground)
56 EON USING I _ | Initial setting input (EON)
at EON ACTIVE I Initial setting input (EON active)
58 AUTO TUN I Initial setting input (AUTO TUN)
59, 60 VERSION 1 Initial setting input (the distination)
61—70 | Sis—s6 O | Segment signal output to the FL tube (FL601)
n -30V — | Negative power supply for the FL tube (FL601)
72—77 | 85— $0 O | Segment signal output to the FL tube (FL601)
79—80 | T9—77 O _| Digit signal output to the FL tube (FL601)
— 4S