User manual PIONEER A-60 service manual

[. . . ] PCB CONNECTION DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . PCB PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] 38 P04 I Output error detection pin 39 P05 O MUTING control pin. 42 P52 I TAPE2 KEY input. 23 24 ON/OFF A-60 A C FUNCTION LOUDNESS Q505 Q501 Q503 DIRECT ON/OFF CN101 CN102 RIAA A DIRECT ENERGY MOS IC151 2. 8mV /50k PHONO 37dB TUNER C C VOLUME CD 7. 2 BLOCK DIAGRAM 200mV /50k LINE IC101(1/2) C Q509 Q303 A M VR501 TONE AND BALANCE C Q507 POWER AMP WRLC 40dB PROTECTION RY A 401 RY401 SP-A A RY402 SP-B RY403 H. P A TAPE1 /DAT SOURSE F JA501 200mV /1k REC A A IC251 UP/DOWN 200mV TAPE2 /50k MONITOR IC101(2/2) B D IC751 VR751 VR752 VR601 UNUSUAL OUTPUT FUNC DETECTION MUTE 200mV /1k REC CD, TAPE1/DAT : RY101, RY102 +BL TO FUNCTION SW TO POWER STAGE ­BL A A D451 FROM UNUSUAL OUTPUT DETECTION A DIRECT, LOUDNESS ON/OFF VOLUME UP/DOWN TO VOLTAGE STAGE MUTE, FUNC MUTE ON/OFF ­BH TO OP AMP RY IC451 IC452 +19. 2 ­15 +BH KEY INPUTS E E T1 FU1 RY801 G S901 FROM REC SEL µ-COM FROM FUNCTION SEL D IC601 A TO µ-COM LED TO PROTECTION RY +5. 6 D457-D460 T801 SR INPUT E IC811 E D811-D814 A-60 8. PANEL FACILITIES AND SPECIFICATIONS 8. 1 REAR PANEL Illustration shows U. K. model # European model only 1 2 3 4 5678 9 0 SWITCHED TOTAL 100W MAX UNSWITCHED 100W MAX AC OUTLETS GND R B L PHONO TUNER CD LINE TAPE1/MD REC PLAY TAPE2 MONITOR REC PLAY L R IN IN IN IN OUT IN OUT IN L R R A SPEAKERS L OUT CONTROL AC INLET @ ! ~ = 1 PHONO terminals 2 SIGNAL GND (Turntable ground) terminal 3 TUNER terminals 4 CD terminals 5 LINE terminals 6 TAPE 1/MD REC (OUT) terminals 7 TAPE 1/MD PLAY (IN) terminals 8 TAPE 2 MONITOR REC (OUT) terminals 0 SPEAKERS B terminals (Right channel) - SPEAKERS B terminals (Left channel) = AC INLET jack Connect one end of the power cord to here and the other end to an AC wall socket, or the AC outlet of an audio timer. If you are going to be away from home for a long period of time, disconnect the unit from the wall socket. ~ CONTROL OUT jack This jack is for outputting control signals when operating other components bearing the Î mark with the amplifier's remote control unit. !SPEAKERS A terminals (Left channel) @ SPEAKERS A terminals (Right channel) 9 TAPE 2 MONITOR PLAY (IN) terminals # AC OUTLETS (European model only) 25 A-60 8. 2 FRONT PANEL 3 4 5 6 STEREO AMPLIFIER VOLUME STANDBY/ON Î STANDBY 2 1 # @ MUTING ­20dB CD TUNER PHONO LINE TAPE 1 /MD TAPE 2 MONITOR POWER OFF ON 7 B BASS TREBLE BALANCE INPUT SELECTOR REC SELECTOR CD TUNER OFF SOURCE A SPEAKERS PHONES LOUDNESS DIRECT 8 MIN MAX L R ! ~ = - VOLUME indicator 0 9 1 POWER ( 2 OFF/ ON) switch 6 INPUT SELECTOR knob/indicators Turn the knob clockwise or counterclockwise so that the indicator lights for your desired input source. Turning the knob clockwise causes the lit indicator to right. Turning counterclockwise causes it to left. CD : For compact disc playback with a CD player. TUNER : For AM or FM broadcast reception with a tuner. PHONO : For record playback with a turntable. OFF : In this position, nothing from the REC terminals of TAPE 1/MD is output. Set to this position when not recording; the cassette deck will be disconnected, improving sound quality. NOTE: The function selected using the INPUT SELECTOR knob will be recorded irrespective of the position of the REC SELECTOR switch (TAPE 2 MONITOR terminals). = TREBLE tone control Use to adjust the high-frequency tone. The center position is the flat (normal) position. When turned to the right, the high-frequency tone is emphasized; when turned to the left, the high-frequency tone is de-emphasized. NOTE: This control does not operate when the DIRECT button is in the on position. ~ BASS tone control Use to adjust the low-frequency tone. The center position is the flat (normal) position. When turned to the right, the low-frequency tone is emphasized; when turned to the left, the low-frequency tone is de-emphasized. NOTE: This control does not operate when the DIRECT button is in the on position. !PHONES jack When using headphones, insert the plug into this jack. @ SPEAKERS B (ON/OFF) button/indicator Use this button to listen to the speaker system connected to the SPEAKERS B terminals. No sound is heard from the speaker system. [. . . ] 88 dB* CD, TUNER, LINE, TAPE 1/MD, TAPE 2 MONITOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 dB* Signal-to-Noise ratio (DIN, continuous power/ 50 mW) PHONO (MM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 dB/ 67 dB* CD, TUNER, LINE, TAPE 1/MD, TAPE 2 MONITOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 dB/ 71 dB* MUTING (volume control set at ­30 dB position) . . . . . . . . . . . . . . . . [. . . ]