Pioneer VSX 108 Service Manual
Pioneer VSX 108 - AV Receiver Manual
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- Pioneer VSX 108 | Service Manual - Page 1
AUDIO MULTI - CHANNEL RECEIVER VSX-108 ORDER NO. RRV2146 THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). Type Model VSX-108 Power Requirement Remarks KUXCN AC120V CONTENTS 1. SAFETY INFORMATION 2 2. EXPLODED VIEWS AND PARTS LIST 3 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM - Pioneer VSX 108 | Service Manual - Page 2
which does not have the same safety characteristics as the PIONEER recommended replacement one, shown in the parts list in this Service Manual, may create shock, fire, or other hazards. Product Safety is continuously under review and new instructions are issued from time to time. For the latest - Pioneer VSX 108 | Service Manual - Page 3
2.1 PACKING 11 2 9 1 3 13 8 10 4 5 6 12 • PACKING PARTS LIST Mark No. Description 1 AM Loop Antenna 2 FM Antenna 3 Operating Instructions (English) 4 Polyform L 5 Polyform R 6 Remote Control Unit 7 Carton Box 8 Poly. Bag (4 × 20) 9 Poly. Bag (10 × 15) 10 Poly. Bag (20 × 26) NSP NSP NSP 11 - Pioneer VSX 108 | Service Manual - Page 4
VSX-108 2.2 EXTERIOR 23 25 25 25 25 12 10 4 9 24 25 34 25 25 30 25 26 26 26 26 25 25 25 28 33 A 32 28 28 25 27 31 5 4 2 29 25 20 25 3 25 1 25 21 25 Bottom Cover 25 17 25 25 7 19 25 25 6 A 19 19 25 25 18 14 25 25 25 22 25 25 22 15 25 13 11 25 - Pioneer VSX 108 | Service Manual - Page 5
30 AC Power Cord 02360040009S NSP NSP NSP 31 Fuse (F801 : 4A/250V) 32 Metal Washer 33 PCB Mounting Bracket 34 Heatsink Mounting Bracket 05005020402S VSX-108 5 - Pioneer VSX 108 | Service Manual - Page 6
Dolby Pro-Logic Decoder CV, SV OUT C 31 S 33 MUTE 53 8 MUTE 8 9 OVER 9 10 SP.OFF 10 C KEY SW RELAY 17 11 RELAY 11 12 2-CH 12 DATA 12 REMOTE 3 13 DC/O 13 6 IC702 00202879-040 (BU2879AK) FL Driver IC CN707 1 2 3 4 Q703, Q704 5 6 +5V 7 AC3.8V AC3.8V -25V +5V GND SR - Pioneer VSX 108 | Service Manual - Page 7
5 6 7 8 VSX-108 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". A • NOTE FOR FUSE REPLACEMENT CAUTION -FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE WITH SAME TYPE AND RATINGS ONLY. : AUDIO SIGNAL ROUTE IC204 STK407-070 2ch - Pioneer VSX 108 | Service Manual - Page 8
1 2 3 4 VSX-108 3.2 TUNER PCB A A TUNER PCB AM LOOP ANTENNA AM B FM FM 300Ω C BPS101 02876108-002 TC101 01410200-003 AM D101 00400321-500 (SVC321) Q101 00300715-041 ( - Pioneer VSX 108 | Service Manual - Page 9
5 6 7 8 VSX-108 A AM CF103 02800450-000 GM74A 02810700-025 T T L101 AM 01500393-001 FM T104 01627580-041 IC102 00201838-040 (LA1838) T : TUNER AUDIO SIGNAL ROUTE (L ch) AM : AM SIGNAL ROUTE FM : FM SIGNAL ROUTE T B CN102 02520005-205 T B CN201 CN701A 02520012-202 C G CN701 G - Pioneer VSX 108 | Service Manual - Page 10
1 2 VSX-108 3.3 MAIN PCB (1/2) A JACK4 JACK3 JACK2 IN B 3 4 B 1/2 MAIN PCB A CN102 CN201 T IC203 00262419-010 (M62419) VCR T OUT JACK1 C 05208000-000 IC201 00201041-040 S (LV1041M) C D 10 B 1/2 1 2 3 4 - Pioneer VSX 108 | Service Manual - Page 11
5 G CN702 CN6 6 B 2/2 7 8 VSX-108 CN7 G CN707 Q213 00310536-046 C CN14A A Q212 00310536-046 R L GND L- 040 (LA6458S) T : TUNER AUDIO SIGNAL ROUTE (L ch) D209 00494001-300 Q211 Q209 : AUDIO SIGNAL ROUTE (L ch) C : AUDIO SIGNAL ROUTE (Center) D S : AUDIO SIGNAL ROUTE (Surround) : - Pioneer VSX 108 | Service Manual - Page 12
1 2 3 4 VSX-108 3.4 MAIN (2/2) and PHONE PCBS A B 2/2 MAIN PCB : The power supply is shown with the marked box. B B 1/2 C D 12 B 2/2 1 2 3 4 - Pioneer VSX 108 | Service Manual - Page 13
5 6 7 8 VSX-108 A CN207 : AUDIO SIGNAL ROUTE (L ch) B C PHONE PCB D CN207A D CN208A B 1/2 CN14 CN14A R1 L2 GND 3 L-SP 4 R-ST 5 SP-OFF 6 R320 330/2W R321 330/2W JACK8 PHONES C CN208 D B 2/2 C 13 5 6 7 8 - Pioneer VSX 108 | Service Manual - Page 14
1 2 VSX-108 3.5 DISPLAY PCB A 3 4 G DISPLAY PCB B C D G 14 1 2 3 4 - Pioneer VSX 108 | Service Manual - Page 15
: (DOLBY PRO LOGIC) SW11 : SFC MODE SW12 : LEVEL + SW13 : TV SW14 : CD SW15 : AM SW16 : VCR SW17 : STEREO SW18 : LOUDNESS SW19 : STATION + SW20 : TUNING + SW21 : FM SW22 : BASS + SW23 : TREBLE + SW26 : STATION SW27 : TUNING SW29 : BASS SW30 : TREBLE SW31 : BALANCE L SW32 : BALANCE R 8 VSX-108 - Pioneer VSX 108 | Service Manual - Page 16
VSX-108 IC201 IC203 IC701 IC702 Pin Voltage (V) Pin Voltage (V) Pin Voltage (V) Pin Voltage (V) Pin 1 6.0 41 6.0 1 0.0 22 6.0 1 2 6.0 42 6.0 2 0.0 23 6.0 2 3 6.0 43 6.0 3 6.0 24 6.0 3 4 6.0 44 6.2 4 5.5 25 5.5 4 5 6.0 45 5.4 5 0.1 26 6.0 5 6 - Pioneer VSX 108 | Service Manual - Page 17
1 2 3 4 VSX-108 4. PCB CONNECTION DIAGRAM 4.1 TUNER PCB A NOTE FOR PCB DIAGRAMS : 1. Part numbers in PCB diagrams match those in the schematic diagrams. 2. A comparison between the main parts of PCB and schematic diagrams is shown below. Symbol In PCB Diagrams Symbol In Schematic Diagrams - Pioneer VSX 108 | Service Manual - Page 18
1 2 3 4 VSX-108 4.2 MAIN and PHONE PCBS B MAIN PCB A Q212 Q213 Q209 Q211 IC208 Q203 Q204 IC203 IC204 B Q205 Q206 IC201 Q201 Q202 IC205 C IC202 Q208 Q207 Q402 Q401 Q801 Q804 D B 18 1 J7 J5 J6 D D CN207A 2 3 4 - Pioneer VSX 108 | Service Manual - Page 19
5 6 7 8 VSX-108 A B C PHONE PCB A CN102 C G CN706 G CN707 PHONES D SIDE A B C 19 5 6 7 8 - Pioneer VSX 108 | Service Manual - Page 20
CENTER REAR LEVEL - LEVEL + Q704 IC703 RECEIVER V1 DISP1 J751 C724 C711 C725 C721 C712 IC702 D704 C713 C722 C723 R710 J704 J705 R717 J706 J709 SW3 J701 MEMORY SW2 SW12 STA + SW19 J702 TUN + SW20 MPX STA - TUN - D 7 8 SW27 MODEL : VSX-108 (DISPLAY BD.) P / N : 001-01080-700 - Pioneer VSX 108 | Service Manual - Page 21
5 6 7 8 VSX-108 A 08 07 B B CN7 B CN6 AC1.9V AC1.9V -25V +5V GND SR OUT GND J718 DATA CLK E1 DATA CLK E2 DGND MUTE OVER SP-OFF RELAY 2-CH DC/O 725 C713 D704 SW15 J709 J710 J711 J755 CN706 C726 C741 J745 J746 R721 J753 J740 R703 R704 R705 J744 L701 VCR SW16 R711 - Pioneer VSX 108 | Service Manual - Page 22
VSX-108 Mark No. Description Part No. Mark No. Description Part No. 5. PCB PARTS LIST safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. •When ordering resistors, first convert resistance values into code form as shown in the following examples. - Pioneer VSX 108 | Service Manual - Page 23
CEAT330M16 CEAT3R3M50 CEAT470M10 CEAT470M10 CEAT470M25 CEAT470M35 CEAT471M10 CEAT4R7M50 CEAT4R7M50 CEAT4R7M50 CEAT4R7M50 CEAT4R7M50 CEATR33M50 CEATR47M50 CEATR47M50 01410200-003 VSX-108 Mark No. Description Part No. RESISTORS R278,R279,R287,R289,R803 00510101-321 (10Ω, 2W) R808 (2.2k - Pioneer VSX 108 | Service Manual - Page 24
VSX-108 6. ADJUSTMENT 6.1 TUNER SECTION 6.1.1 AM IF ADJUSTMENT Fig.1 6.1.2 FM IF ADJUSTMENT Fig.2 6.1.3 TUNING FREQUENCY RANGE ADJUSTMENTS (FM, AM) DC Voltmeter.........Connect to TP1 and GND Fig.3 24 - Pioneer VSX 108 | Service Manual - Page 25
Connects to the AM ANT. Coil through the Loop Antenna. Adjustment for the indication of VTVM of the wave form scope to be maximum. VSX-108 Fig.4 6.1.5 FM TRACKING ADJUSTMENT Signal Generator.........Connects to the FM ANT Jack (FM IN) through the dummy. Fig.5 A TUNER PCB T104 IC102 Pin 23 - Pioneer VSX 108 | Service Manual - Page 26
VSX-108 7. GENERAL INFORMATION 7.1 PARTS 7.1.1 IC • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. •List of IC LA1186N, STK407-070, 00201838-040 (LA1838), 00206458-040 (LA6458S), 00201041-040 (LV1041M), 00262419- - Pioneer VSX 108 | Service Manual - Page 27
VSX-108 • Pin Function No. Function 1 FM IF input 2 AM MIX output 3 FM IF input by S-meter output 12 AM S-meter output and AM SD sensitivity adjustment 13 AM/FM IF buffer output and output control SW (mute SW) 14 Phase comparator Low-pass filter (Switch the FM/AM) 15 Pilot detector Low-pass - Pioneer VSX 108 | Service Manual - Page 28
VSX-108 00201041-040 (LV1041M) (MAIN PCB : IC201) • Dolby Pro-Logic Decoder IC • Block Diagram R-BPF3 DCCUT1 L-R•RECT DCCUT2 L+R•RECT VCS-TH VCS-1 VCS-2 VLR-2 VLR-1 VLR-TH L-RECT DCCUT4 R-RECT DCCUT3 L-BPF3 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 R-BPF2 1 64 L-BPF2 R-BPF1 2 S•DC-CUT2 3 - Pioneer VSX 108 | Service Manual - Page 29
VSX-108 STK407-070 (MAIN PCB : IC204, IC205) • 2-Channel AF Power Amplifier IC • Block Diagram Ch. 1 OUT Pre. . 2 -Vcc 45 00262419-010 (M62419FP) (MAIN PCB : IC203) • Digital Sound Controller with Tone Control IC • Block Diagram CLOCK VDD SELECT OUT2 VCL IN2 LOUD IN2 SELECT NF2 SELECT2 INA - Pioneer VSX 108 | Service Manual - Page 30
VSX-108 • Pin Function No. Name Function 1 DATA Control data input Inputs a data by synchronizing with CLOCK. 2 (later-stage) 33 SELECT2 IND 13 TONE IN1 14 TC1 A Input pin of the tone control section 34 SELECT2 INC CH2 input pin of the input selector switch section 35 SELECT2 INB 15 TC1 - Pioneer VSX 108 | Service Manual - Page 31
00272358-040 (LC72358N) (DISPLAY PCB : IC701) • 1-Chip PLL Controller IC • Block Diagram VSX-108 XOUT TEST1 ED1 ED2 VSS FMIN AMIN VDD SUBPD ED3 HCTR LCTR SNS HOLD PH0/ADI0 PH1/ADI1 XIN TEST2 SI0/PG3 SO0/PG2 SCK0/ - Pioneer VSX 108 | Service Manual - Page 32
VSX-108 00202879-040 (BU2879AK) (DISPLAY PCB : IC702) • FL Driver IC for VTR • Block Diagram CS SCK SI SO VSS 9865 7 8 bit Shift-Reg. OSC VDD 44 38 OSC 1-4 SW1 - SW4 4 4 bit Data 10 - 13 K1 - K4 4 KEY Data Latch (4 × 6) 16 bit Latch 16 bit × 15 word Display Data RAM Control - Pioneer VSX 108 | Service Manual - Page 33
7.1.2 DISPLAY 04991693-001 (9-MT-169GK) (DISPLAY PCB : V1) • FL TUBE VSX-108 1 • Grid Assignment 1G 2G 3G 4G 5G 6G 7G 8G 35 9G Dp1 Dp2 a hk j f b g er m nc p d • Pin Connection Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 - Pioneer VSX 108 | Service Manual - Page 34
VSX-108 • Anode Connection 1G 2G 3G 4G 5G 6G 7G 8G 9G P1 a a a a a a a a a P2 h h h h h h h h - P3 j j j j j j j j j P4 k k k k k k k k - P5 b b b b b b b b b P6 f f f f f f f f f P7 m m m m m m m m m P8 g g g g g - Pioneer VSX 108 | Service Manual - Page 35
AND SPECIFICATIONS 8.1 PANEL FACILITIES Front Panel VSX-108 1 POWER ON/OFF button 2 TEST TONE ON/OFF button The TEST TONE signal will be output in the Dolby Pro logic mode. 3 LEVEL button Use to adjust center or rear level 4 CENTER/REAR button Use to select the Level Control. 5 REMOTE SENSOR - Pioneer VSX 108 | Service Manual - Page 36
VSX-108 36 - Pioneer VSX 108 | Service Manual - Page 37
Display VSX-108 SP A DIRECT LOUDNESS PRO LOGIC VIRTUAL DSP TAPE 2 MONO TUNED STEREO 1 TUNER indicator MONO: Lights when the monaural mode is set using the MPX MODE button. TUNED: Lights when broadcasts are being received. STEREO: Lights when stereo broadcasts are received during auto stereo mode. - Pioneer VSX 108 | Service Manual - Page 38
VSX-108 Remote Control Unit 7 1 8 2 3 9 4 0 5 ~ - 6 = 1 MULTI CONTROL function buttons When operating other devices, press any one of these buttons to specify the device to be operated. memo : This button cannot be used - Pioneer VSX 108 | Service Manual - Page 39
Output Claims for Amplifier. ∗∗ Measured by Audio Spectrum Analyzer FM Tuner Section Frequency Range 87.5 MHz to 108 MHz Stereo Separation 40 dB (1 kHz) 1 Dry Cell Batteries [size "AA" (IEC R6P 2 Remote Control Unit 1 RCA Cable 1 Operating Instructions 1 NOTE: Specifications and the design
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ORDER NO.
PIONEER CORPORATION
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE, INC.
P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V.
Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD.
253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 1999
c
VSX-108
RRV2146
T – IZE
OCT. 1999 Printed
in Japan
Type
Model
Power Requirement
Remarks
VSX-108
KUXCN
AC120V
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
AUDIO MULTI - CHANNEL RECEIVER
1. SAFETY INFORMATION
......................................
2
2. EXPLODED VIEWS AND PARTS LIST
...............
3
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
.....
6
4. PCB CONNECTION DIAGRAM
.........................
17
5. PCB PARTS LIST
...............................................
22
6. ADJUSTMENT
....................................................
24
CONTENTS
7. GENERAL INFORMATION
................................
26
7.1 PARTS
..........................................................
26
7.1.1 IC
............................................................
26
7.1.2 DISPLAY
.................................................
33
8. PANEL FACILITIES AND SPECIFICATIONS
.......
35