Service Manual

47
STR-K1600
Ver. 1.1
IC1101 MB90F045PF-G-9050-SPE1 (SYSTEM CONTROL) (DIGITAL BOARD (4/4))
Pin No. Pin Name I/O Pin Description
1DATAO I Serial data line signal input from DIR IC
2 GP9 I GP9 signal input from DSP IC
3 BST O Boot stop control signal output for DSP IC
4 HCS O Chip select signal output for DSP IC
5HACNIAcknowledge signal input from DSP IC
6 XRST O Reset signal output for DSP IC
7PMOPLL control signal output for DSP IC
8 GP12 O GP12 signal output for DSP IC
9 FL_LAT O Latch signal output for FL driver IC
10 PCM1609/1803_RST O Reset signal output for 8CH DAC IC/ADC IC
11 VSS — Ground
12 PCM1609_ML O Serial latch signal output for 8CH DAC IC
13 PCM1609_MC O Serial clock signal output for 8CH DAC IC
14 PCM1609_MDI O Serial data output for 8CH DAC IC
15 PCM1609_MDO I Serial data input from 8CH DAC IC
16 FL_CLK O Clock signal output for FL driver IC
17 FL_DATA O Serial data output for FL driver IC
18 HDOUT I Serial data input from DSP IC
19 HDIN O Serial data output for DSP IC
20 HCLK O Serial data clock signal output for DSP IC
21 TUNING_A I TUNING +/– encoder (A) signal input
22 TUNING_B I TUNING +/– encoder (B) signal input
23 VCC5 — Power supply pin (+3.3 V)
24 V_SW1 O Video SW1 signal output for INPUT SELECT IC
25 V_SW2 O Video SW2 signal output for INPUT SELECT IC
26 C LINK_DET I C Link detect signal input (Australian, Malaysia, Singapore, Thai model)
27
FLASH2/
O
Flash programming signal output 2/C Link receive signal output (Australian,
C LINK_RX(MICLO) Malaysia, Singapore, Thai model)
28
FLASH1/
O
Flash programming signal output 1/C Link transmitter signal output (Australian,
C LINK_TX(MOCLI) Malaysia, Singapore, Thai model)
29 SDA I/O Serial data input/output for EEPROM IC
30 SCL O Clock signal output for EEPROM IC
31 ENC_A I INPUT SELECTOR encoder (A) signal input
32 ENC_B I INPUT SELECTOR encoder (B) signal input
33, 34 NC O Not used (Open)
35 AVCC — Power supply pin (+3.3 V)
36 AVRH — Power supply pin (+3.3 V)
37 AVSS — Ground
38 ADCC I AUTO CAL MIC analog signal input
39, 40 A/D1, A/D2 I Key signal input (A/D port)
41 VERSION I Destination detection signal input
42 VSS — Ground
43 RDS_SIG I RDS signal level input (Not used in this set)
44 MODEL I Model detection signal input
45 VACS CTRL I VACS control signal input
46 TUNER_CLK O Serial clock signal output for tuner pack
47 TUNER_DATA O Serial data output for tuner pack
48 STOP I AC off detection signal input
49 MOD0 — Selection of micon operation mode
50 MOD1 — Not used (Connect to AVCC)
51 MOD2 — Selection of micon operation mode
52 RDS_CLK I RDS data clock signal input (Not used in this set)