Lcd Display - Aiwa CT-Z110 Service Manual

IC DESCRIPTION
IC, LC72336
Pin No. Pin Name I/O
1 X-IN I System clock oscillator.
2 TEST2 I Device test input.
3 RE1 I Rotary encoder input 1.
4 CLK-AVR O Clock output to electronic VR (LC75374)
5 DATA EVR O CE output to electronic VR (LC75374)
6 CE EVR O Chip enable output to electronic VR (LC75374)
7 LED CONT O LED control.
8-14 T6-T0 O Key scan signal output.
15-18 K3-K0 I Key scan signal input.
19 LOCAL O LOCAL/DX switching signal output during seeking. (LOCAL = H)
20 RE2 I Rotary encoder input 2.
21 IF-REQ O IF CONT signal request output. (REQ ON = H)
22 TAPE IN I Tape inserted status detection input.
23 AUDIO MUTE O Audio muting output.
24 STANDBY MUTE O Standby muting output to power amp.
25 POWER MUTE O Muting output to power amp.
26 BEEP O Beep sound output.
27 NC - Not connected.
28-55 S27-S1 O Display segments signal output.
56-58 COM3-COM1 O Common 3-1 for display.
59-60 VDD2-VDD1 - Device power supply.
61 RADIO CONT O Radio mode control output. (RADIO = L)
62 BAND CONT O Radio band control output. (FM = L, AM = H)
63 MOTOR CONT O Motor control output. (Motor ON = H)
64 POWER CONT O Unit power control output.
65 PHONE MUTE I Muting control.
66 FF/REW I Tape fast forward and fast rewind mode detection input.
SD : Stop pulse input when seeking FM/AM station.
67 SD/ST I
ST : Display input (STEREO = H) accepted only during reception.
68 TA DIR I FWD/REV mechanism position detection input. (FWD = H)
69 ACC-IN I Car accessory on/off input. (ON = H)
70 IF-IN I IF CONT signal input.
71 NC - Not connected.
72 SNS I Voltage failure judgement input.
73 VDD - Device power supply.
74 FMOSC I FM local oscillation input.
75 AMOSC I AM local oscillation input.
76 VSS - Device ground.
77 LPF O Charge pump output for low-pass filter.
78 LPF - Not connected.
79 TEST1 I Device test input.
80 XOUT O Crystal oscillator output.
All manuals and user guides at all-guides.com
Description
13

LCD DISPLAY

No. 1 2 3 4 5 6 7 8
COM1 COM1 MT TP AF 2d
COM2 COM2 LO R DSSA 2e
COM3 COM3 CD-CH Bar10 Bar9 2f
COM4 COM4 CT MY INFO Bar1 1a,e,f,j,k
No. 21 22 23 24 25 26 27 28
COM1 5m 5n Dot1 6d 6m 6n L 7d
COM2 5l 5k 5c 6e 6l 6k 6c 7e
COM3 5j 5i 5b 6f 6j 6i 6b 7f
COM4 5g 5h 5a Bar6 6g 6h 6a Dot2
9 10 11 12 13 14 15 16 17 18
2m 2n Bar2 3d 3m 3n TA 4d 4m 4n
2l 2k 2c 3e 3l 3k 3c 4e 4l 4k
2j 2i 2b 3f 3j 3i 3b 4f 4j
2g 2h 2a Bar3 3g 3h 3a Bar4 4g 4h
29 30 31 32 33 34 35 36 37 38
7m 7n Dot3 8d 8m 8n 9d 9m 9n
7l 7k 7c 8e 8l 8k 8c 9e 9l
7j 7i 7b 8f 8j 8i 8b 9f 9j
7g 7h 7a Bar7 8g 8h 8a Bar8 9g 9h
14
19 20
H-BASS 5d
4c 5e
4i 4b 5f
4a Bar5
39
ST
9k 9c
9i 9b
9a