Sony D-FS601 Service Manual page 25

• IC61 TC9327AF-NJRMP2 RF AMP, SERVO, DSP, D/A CONV, D-RAM CONT (MAIN Board)
Pin No. Pin Name
1 to 4 COM1 to COM4
5 to 20 S1 to S16
21 AM STEP-I
22 DEST2-I
23 DEST1-I
24 DEST0-I
LOCAL/
25
MONO-DET-I
26 PRESET–_I
27 PRESET+_I
28 LCDREQ-I
29 XLID OPEN-I
30 EEP DO/DI-IO
31 EEP SK-O
32 EEP CS-O
33 XL/O-I
34 RMKEY_I
35 NC
36 FAV KEY_I
37 SC SEL_I
38 TU ON_O
39 CD ON_I
40 TUAVLS CTRL_O
41 TV-L ON_O
42 KEY_I
43 BATT_I
44 HIDC_I
45 AD DC REF
46 SDI-I-CDU
47 SDO-O-CDU
48 SCK-I-CDU
49 TUBEEP_O
50 PLAY KEY CTRL_O
51 TU HOLD_I
52 BAND CTRL 2_O
53 DC IN DET-I
54 ACK CD-O
MONO OR
55
LOCAL-O-CTR
56 TUBASS2-O
57 XTU TEST_I
58 XTUBASS1-O
59 BAND CTRL 1_O
60 +B ON/OFF-O
61 IFREQ-O
62 TUMUTE-O
63 TEST
64 IFIN_I
65 EO(DO1)_O
66 NC(DO2)
I/O
O LCD drivers
O LCD drivers
I AM 9K/10K tuning step select (initialisation) signal input
I Bit 2 Tu Destination setting input
I Bit 1 Tu Destination setting input
I Bit 0 Tu Destination setting input
I Local/DX or Mono/Stereo ON-Off switch detection signal input
I PRESET– signal input from the S928
I PRESET+ signal input from the S927
I LCD display request signal from the IC801
I CD lid open/close detection signal input from the S801
I/O Data input/output for EEPROM
O Clock output for EEPROM 2K bits (software timing)
O Chip select signal output for EEPROM
I Line out jack detection signal input (fixed at "H")
I Key signal input from the remote commander
O Not used
I Favorite key signal input
I Serial communication selector signal input from the IC801
O Radio mode status signal output to the IC801
I CD ON request signal input from the IC801 (Wakeup TU in sleep mode)
O AVLS control signal output
O TV-L (ch 2, 3 and 4) selection switch control signal output (not ured)
I Key signal input from the function keys
I Battery voltage detection signal input (external DC 1.6V as reference)
I HiDC voltage detection signal input
— DC reference of A/D converter (used for HiDC and batt detection with external DC 1.6V as reference)
I Serial data input from the IC801
O Serial data output to the IC801
I Serial clock input from the IC801
O Beep sound signal output to the headphone amplifier
O Play key detection control signal output for CD mode (not ured)
I HOLD switch detection signal input from the S903
O BAND CONTROL 2 signal output
I DC-in detection signal input
O CD acknowledgement and status signal output to the IC801
O Local/DX or Mono/Stereo ON-Off control signal output
O Mega Bass 2 (sound mode) control signal output
I TU test mode detection signal input ("L" : active)
O Mega Bass 1 (sound mode) control signal output
O BAND CONTROL 1 signal output
O Radio power On/Off control signal output (VCO and IF amplifier block)
O IF request signal output
O Tuner muting control signal output
— Not used (open)
I TV/WB/FM/AM IF signal input
O PLL error signal output
— Not used (open)
Description
D-FS601
25