Sony STR-DB2000 Service Manual

86
STR-DA2000ES/DB2000
• DIGITAL BOARD IC2601 MB91F155A-3B9-X100 (MAIN SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1MENU –JOG I Jog dial pulse input from the rotary encoder (B phase input) (for MENU)
2MENU +JOG I Jog dial pulse input from the rotary encoder (A phase input) (for MENU)
3 +/– –JOG I Jog dial pulse input from the rotary encoder (B phase input) (for –/+)
4 +/– +JOG I Jog dial pulse input from the rotary encoder (A phase input) (for –/+)
5FUNC –JOG I Jog dial pulse input from the rotary encoder (B phase input) (for INPUT SELECTOR)
6FUNC +JOG I Jog dial pulse input from the rotary encoder (A phase input) (for INPUT SELECTOR)
7VOL –JOG I Jog dial pulse input from the rotary encoder (B phase input) (for MASTER VOLUME)
8 VOL +JOG I Jog dial pulse input from the rotary encoder (A phase input) (for MASTER VOLUME)
9 VSS — Ground terminal
10 FL_CLK
O
Serial data transfer clock signal output to the fluorescent indicator tube driver
11 FL_DATA
O
Serial data output to the fluorescent indicator tube driver
12 FL_LAT
O
Chip select signal output to the fluorescent indicator tube driver
13 FL_RST
O
Reset signal output to the fluorescent indicator tube driver “L”: reset
14
ML_CH_DEC-LED O
LED drive signal output of the MULTI CANNEL DECODING indicator “H”: LED on
15 HP-SW
I
Headphone detection signal input terminal “H”: headphone is connected
16 DIMMER O
Dimmer on/off control signal output terminal “L”: dimmer on
17 2ND-RY O
Relay drive signal (for 2nd zone out) output terminal “H”: relay on
(STR-DA2000ES only)
18 POW-RY I Relay drive signal (for main power) output terminal “H”: relay on
19 TU-TUNED
I
Tuned detection signal input from the tuner unit
20 TU-MUTE
O
Muting request control signal output to the tuner unit
21 SERIAL-DATA O Serial data output to the function switch, electrical volume and tuner unit
22 SERIAL-CLK O Serial data transfer clock signal output to the function switch, electrical volume and tuner unit
23 TU-DATAIN
I
Serial data input from the tuner unit
24 TU-STEREO
I
FM stereo detection signal input from the tuner unit
25 RDS-DATA
I
RDS serial data input from the tuner unit (STR-DB2000: AEP and UK models only)
26 VSS — Ground terminal
27 VCC — Power supply terminal (+3.3V)
28 TU-LAT
O
Serial data latch pulse signal output to the tuner unit
29 FUNC_SW-LAT
O
Serial data latch pulse signal output to the function switch
30 VOL-LAT
O
Serial data latch pulse signal output to the electrical volume
31
MLT_D.MIX-LAT
O Serial data latch pulse signal output to the function switch
32 SYS-MUTE O System muting on/off control signal output terminal “L”: muting on
33 POW-CHANGE O Tuner auto stop signal output terminal
34 V-POW
O
Video section power on/off control signal output terminal “H”: power on
35 NC I Not used
36, 37
SELB OPT,
SELA OPT
O
Digital input selection signal output terminal
38 DIR-ERROR
I
PLL lock error signal and data error flag input from the digital audio interface receiver
39 DIR-XSTATE
I
Source clock selection monitor input from the digital audio interface receiver
40 DIR-DATA0
I
Audio serial data input from the digital audio interface receiver
41 DIR-XMODE
O
System reset signal output to the digital audio interface receiver “L”: reset
42 DIR-CKSEL1
O
Output clock selection signal output to the digital audio interface receiver
43 DIR-CLK
O
Clock signal output to the digital audio interface receiver
44 VSS — Ground terminal

Sony STR-DB2000 Specifications

General

Brand	Sony
Model	STR-DB2000
Category	Stereo Receiver
Language	English