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Quick site processing. A complete and very useful manual with all details. Thank you!
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Quick service response. A useful and very rare service manual with all details. I recomend this service.
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I ordered this manual sometime in the afternoon and I received it on my e-mail the same evening.
This is a fantastically good and properly scanned copy of the original manual. All pages are of the same scale and they overlap each other. It means that you can print the manual and easily make it as a convenient paper manual.
The content of the manual is fantastic. Alignment descriptions, PCB layouts and elementary diagrams are explicit and precise. I immediately found what I was looking for. Thanks to this manual and Owner-Manuals.com my amplifier is alive again. Many thanx indded!
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The manual was well-scanned and easy to read. As an added bonus, the Operator's Manual was bundled with the Service Manual!
I'd definitely use owner-manuals.com again.
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Finally, i found one website, where i can download this service manual , and fix my hifi. The service manual is very good, and easy to download and to print.
052-1173-02
uPD178076GF-597-3BA
Radio & CD Controller
pin 55: AUX ON_ pin 56: TEST pin 57: LCD ON_ pin 58: NU pin 59: BEEP pin 60: NU pin 61: NU pin 62: CD RESET_ pin 63: NU pin 64: AF MUTE_ pin 65: NU pin 66: FM ON_ pin 67: AM ON_ pin 68: CD ON pin 69: NU pin 70: NU pin 71: NU pin 72: RF MUTE pin 73: DX_/LO pin 74: SYS ON pin 75: AMP ON pin 76: CONBI ON pin 77: NU pin 78: ACC IN_ pin 79: RADIO ON pin 80: NU pin 81: SBSY pin 82: GND 1
: IN : AUX ON signal input. : IN : Test enable signal input. : O : LCD back light ON signal output. : - : Not in use. : O : Beep out. : - : Not in use. : - : Not in use. : O : Reset signal output to the CD mechanism controller. : - : Not in use. : O : Audio signal mute pulse output. : - : Not in use. : O : FM ON flag output. : O : AM ON flag output. : O : CD ON flag output. : - : Not in use. : - : Not in use. : - : Not in use. : O : RF mute signal output. : O : DX = "L" , Local = "H". : O : System-ON signal output. : O : Audio power amplifier ON signal output. : O : CONBI ON pulse output. : - : Not in use. : IN : ACC ON signal input : O : Radio ON flag output. : - : Not in use. : IN : CD IC Sub Q data request signal input. : - : Ground.
052-1173-02 is the performance improvement IC of 052-1173-01. 052-1173-02 is compatible to 052-1173-01 and 052-1173-00. Terminal Description pin 1: EJECT SW_ pin pin pin pin pin pin pin pin 2: NU 3: NU 4: VOL DATA 5: VOL CLOCK 6: VOL CE 7: NU 8: LCD DI_ 9: LCD DO : IN : The eject key signal input. : - : Not in use. : - : Not in use. : O : Serial data output to the electric volume IC. : O : Serial data clock output to the electric volume IC. : O : Chip enable signal output to the volume IC. : - : Not in use. : IN : Serial data input from the LCD driver. : O : Serial data output to the LCD driver. : O : Serial data clock output to LCD driver. : O : Chip enable signal output to the LCD driver. pin 12: NU pin 14: VOL 1 pin 15: VOL 2 pin 16: ILL_ pin 17: NU pin 18: NU pin 19: NU pin 20: NU pin 21: NU pin 22: NU pin 23: NU pin 24: NU pin 25: NU pin 26: NU pin 27: A VDD pin 28: NU pin 29: NU pin 30: NU pin 31: NU pin 32: A VSS pin 33: REG CPU pin 34: VDD 0 pin 35: REG OSC pin 36: X 2 pin 37: X 1 pin 38: GND 0 pin 39: NU pin 40: GND 2 pin 41: AM IF pin 42: FM IF pin 43: VDD PLL pin 44: FM OSC pin 45: AM OSC pin 46: GND PLL pin 47: Voltage Tune pin 48: NU pin 49: IC pin 50: RESET_ pin 51: SP INIT pin 52: NU pin 53: ST_/TWEET_ pin 54: CLK INT : - : Not in use. : IN : Volume control pulse input from the rotary switch. : IN : Volume control pulse input from the rotary switch. : IN : Illumination ON signal input. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Positive supply voltage for the Analog section. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Analog ground. : IN : Capacitor connection terminal to suppress the ripple. : - : Positive supply voltage. : IN : Capacitor connection terminal to suppress the ripple. : - : Crystal connection. : - : Crystal connection. : - : Ground. : - : Not in use. : - : Ground. : IN : Input terminal of the internal universal counter for AM IF. : IN : Input terminal of the internal universal counter for FM IF. : - : Positive supply voltage for the PLL. : IN : Input terminal of the internal counter for FM OSC( Local Oscillation ). : IN : Input terminal of the internal counter for AM OSC( Local Oscillation ). : - : Ground for the PLL. : O : PLL error output. : - : Not in use. : IN : Not in use. : IN : Reset signal input. : IN : 4SP = "L" , 2SP = "H". : - : Not in use. :I/O: Outputs "L" at AM 900kHz receiving. Inputs "L" at FM stereo receiving. : IN : Without the clock display = "H". pin 13: POWER SW_ : IN : Power switch pulse input.
pin 10: LCD CLK pin 11: LCD CE
pin 83: CD CONNECT_ : IN : "L" is outputted when CD-FPC connection trouble is detected. pin 84: BUS 0 pin 85: BUS 1 pin 86: BUS 2 pin 87: BUS 3 pin 88: BUC CLOCK pin 89: CCE pin 90: GS1 TEST pin 91: S STOP pin 92: CHU SW pin 93: TR B pin 94: TR A pin 95: LOAD CONT pin 96: LOAD MUTE pin 97: NU pin 98: NU pin 99: VDD PORT pin100: GND PORT :I/O: CD IC Data input / output. :I/O: CD IC Data input / output. :I/O: CD IC Data input / output. :I/O: CD IC Data input / output. : O : CD IC clock pulse output. : O : Chip enable signal output to CD IC. : O : Test data output. : IN : "L"= In side limit. : IN : CD disc chucking signal input. : IN : Photo sensor signal input from the CD mechanism. : IN : Photo sensor signal input from the CD mechanism. : IN : Loading = "H", Eject = "L". : O : Loading muting control output. : - : Not in use. : - : Not in use. : - : Positive supply voltage for the ports. : - : Ground for the ports.
PP-2449V-C
-4-
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