Sony STR-DE197 Service Manual

11
STR-DE197
SECTION 4
DIAGRAMS
1 to 7 DIG7 to DIG1 O Digit drive signal output to the vacuum fluorescent display (FL201).
8 +5V — Power supply pin (+5 V)
9CLOSerial clock signal output to FM/AM tuner pack.
10 DO O Serial data signal output to FM/AM tuner pack.
11 DI I Serial data signal input from FM/AM tuner pack.
12 CE O Serial chip enable signal output to FM/AM tuner pack.
13 VOL DATA O Serial data signal output to sound control IC.
14 VOL CL O Serial clock signal output to sound control IC.
15 RDS DATA I RDS data signal input from FM/AM tuner pack. (AEP model only)
16 PROTECTOR I Overload detection signal input
17 RESET I Reset signal input
18 TUNED I TUNED indicator detection signal input from FM/AM tuner pack.
19 STEREO I STEREO indicator detection signal input from FM/AM tuner pack.
20 AVSS — Analog ground
21 VERSION I Destination select signal input (Fixed at H: US, Canadian model, L: AEP model)
22 FM SIGNAL OUT I
FM/AM signal meter voltage detection signal input from FM/AM tuner pack.
(AEP model only)
23 to 28 AD6 to AD1 I Function keys signal input
29 AVDD — A/D converter power supply pin (+5 V)
30 AV.REF — A/D converter reference voltage input (+5 V)
31 — — Not used. (Connect to AV.REF pin in this set)
32 OPEN — Not used. (Open)
33 GND — Ground
34 X1 I Master clock input (4.19 MHz)
35 X2 O Master clock output (4.19 MHz)
36 REC SW1 O VIDEO 1 ON/OFF signal output
37 REC SW2 O MD/TAPE ON/OFF signal output
38, 39 VOL A, VOL B I Master volume JOG data input A, B
40 FUNC.MUTE O Not used. (Fixed at L in this set)
41 CK O Serial clock signal output to electronic volume IC.
42 DATA O Serial data signal output to electronic volume IC.
43 STB O Serial data strobe signal output to electronic volume IC.
44 SYS.POWER I System power signal input
45 AC MUTE O A-Class mute signal output
46 RDS INT I RDS clock signal input from FM/AM tuner pack. (AEP model only)
47 STOP I Stop signal input from reset/+5.6V regulator IC.
48 VSS — Ground
49 SIRCS I Sircs signal input from remote control receiver IC.
50 TUNER MUTE O Muting control signal output to FM/AM tuner pack.
51 — — Not used. (Open)
52 +5V — Power supply pin (+5 V)
53 BASS B. LED O BASS BOOST LED drive signal output
54 SPK A LED O SPEAKER A LED drive signal output
55 SPK B LED O SPEAKER B LED drive signal output
4-1. IC PIN DESCRIPTION
• IC201 µPD78045FGF-134-3B9 (SYSTEM CONTROLLER, FL DISPLAY DRIVER)
Pin No. Pin Name I/O Pin Description

Sony STR-DE197 Specifications

Audio

Channel Power Rating	100W x 2 (8 ohms, 40 Hz - 20kHz, THD 0.09%)
Sound Fields	Yes

Inputs and Outputs

RCA Audio Inputs	4 (Rear)
RCA Audio Outputs	2 (Rear)
AC Outlet	1 Switched
Antenna Terminal (AM Loop)	1 (Rear)
Antenna Terminal (FM 75 Ohm)	1 (Rear)
Headphone Output	1 (Front)

Power

Power Requirements	AC120V, 60 Hz
Power Consumption (in Operation)	190W
Power Consumption (in Standby)	0.5W

Weight and Dimensions

Weight	15 lbs 7 oz (7kg)
Measurements	16 13/14" x 5 3/14" x 11 8/9" (430 x 132.5 x 302mm)