Pioneer VSX 108 Support Question
Pioneer VSX 108 Support Question
Find answers below for this question about Pioneer VSX 108 - AV Receiver.Need a Pioneer VSX 108 manual? We have 1 online manual for this item!
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Related Pioneer VSX 108 Manual Pages
Service Manual - Page 1
CHANNEL RECEIVER
VSX-108
ORDER NO. Type
Model VSX-108
Power Requirement
Remarks
KUXCN
AC120V
CONTENTS
1. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM..., Singapore 159936
c PIONEER CORPORATION 1999
T - AUDIO MULTI - GENERAL INFORMATION 26 7.1 PARTS 26 7.1.1 IC 26 7.1.2 DISPLAY 33
8. P.O. IZE OCT. 1999 Printed in Japan RRV2146
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). ...
Service Manual - Page 2
... Service Manual. For the latest information, always consult the current PIONEER Service Manual. VSX-108
1. Improperly performed repairs can be of the product and may create shock, fire,... defects or other hazards. SAFETY INFORMATION
This service manual is continuously under test
Reading should not risk trying to a qualified service technician.
Product Safety is intended for ...
Service Manual - Page 3
... NSP
11 RCA Cable 12 Dry Cell Battery (LR6, AA) 13 Warranty Card
Part No.
01582100001S 06410001003S 152010801297
14901081000S
14901082000S 18201080001S 153010820297
15004011210S 15010015510S 15020026510S
7
3 VSX-108
2.
Bag (10 × 15) 10 Poly.
Service Manual - Page 5
...Circuit Parts Assy)
6 PW SW PCB (Circuit Parts Assy)
AZW7259 AZW7259 AZW7259
NSP
7 DISPLAY PCB (Circuit Parts Assy)
8 9 AC Cord Stopper 10 Display Lens
AZW7259
13000000001S 11701080101S
11 Volume Knob 12 Front Panel 13 Front Cabinet 14 Power Button ...33 PCB Mounting Bracket 34 Heatsink Mounting Bracket
05005020402S
VSX-108
5 • EXTERIOR PARTS LIST
Mark No. Description
Part No.
Service Manual - Page 6
FM IF REQ.
1
2
3
4
VSX-108
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM, OVERALL WIRING DIAGRAM, AC...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 GND
CN7
1 2 3 4 5 6 7
B MAIN PCB B 1/2, B 2/2
V1 FL TUBE 04991693-001
1
2
CONTROL OUT
IC703
06104421-000
D
IR Receiver
G DISPLAY PCB...
Service Manual - Page 7
... POWER CORD 02360040009S
DEF 7
5
6
7
8
REPLACE WITH SAME TYPE AND RATINGS ONLY.
: AUDIO SIGNAL ROUTE
IC204 STK407-070 2ch AF Power Amp. Q801 REG.
Q804 REG. 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". Q803 REG.
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
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-SP R-ST SP-OFF
CN14
S
S C
C
Q203 00302576-040
Q204 00303576-040
IC204 STK407-070
L201 ...
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
Service Manual - Page 15
5
6
7
DISPLAY PCB
SW1 : MPX MODE SW2 : MEMORY SW3 : LEVEL SW4 : TEST MODE SW5 : CENTER/REAR SW10 : (DOLBY PRO LOGIC) SW11 : SFC MODE SW12 : LEVEL ... 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
A
B 1/2
CN7
B 1/2
CN6
B
A CN701A
A CN708A
C
D
G 15
5
6
7
8
Service Manual - Page 17
... A
Q103
P.C.Board Chip Part SIDE B
Q105 Q106 IC102
C
Q107 Q104
CN708A
G CN708 G CN701 B CN201 D
SIDE A
A 17
1
2
3
4 PCB CONNECTION DIAGRAM
4.1 TUNER PCB
A
NOTE FOR PCB DIAGRAMS :
1.
1
2
3
4
VSX-108
4.
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
Service Manual - Page 21
...C709
C708 Q702
J754 FM-S
Q701
GND
CN708 CN701
IF GND AO EO ST SD
AMGND MONO IF REQ FM- 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...
Service Manual - Page 22
...PARTS ASSY TUNER PCB MAIN PCB PHONE PCB AC O/P PCB AC I/P PCB PW SW PCB DISPLAY PCB
Part No. AZW7259
ABCDE FG
CIRCUIT PARTS ASSY
SEMICONDUCTORS
IC201 IC102 IC702 IC202,IC208 IC203
00201041...300 01912000-034 1SS133 1SS133 MTZJ10C
Mark
No. Description D8010,D8020 D8070 D8040 D105,D106
Part No. VSX-108
Mark No. Description
Part No. Mark No. Therefore, when replacing, be sure to use parts of...
Service Manual - Page 23
... CEAT101M35
CEAT102M10 CEAT1R0M50 CEAT220M50 CEAT221M10 CEAT222M25
CEAT2R2M50 CEAT330M16 CEAT3R3M50 CEAT470M10 CEAT470M10
CEAT470M25 CEAT470M35 CEAT471M10 CEAT4R7M50 CEAT4R7M50
CEAT4R7M50 CEAT4R7M50 CEAT4R7M50 CEATR33M50 CEATR47M50
CEATR47M50 01410200-003
VSX-108
Mark No. RESISTORS
R278,R279,R287,R289,R803
00510101-321
(10Ω, 2W)
R808 (2.2kΩ, 1W)
00510222-311
R805 (27Ω, 2W...
Service Manual - Page 24
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 VSX-108
6.
Service Manual - Page 28
VSX-108
00201041-040 (LV1041M) (MAIN PCB : IC201)
• Dolby Pro-Logic Decoder IC
• Block Diagram
R-BPF3 DCCUT1 ...REF 20 R-OUT 21 R-NF 22
A SW7 L
B A SW8
R B
S
NF-SW
A SW9A SW10
B
S
B
20kΩ
SW12 A B
A SW11 S
B
STRIM VOLUME
A DC-CUT
D
A
BA
B
SW13 SW14
S
R
L
R L
B-NR B
OUT-FILTER C
IN-FILTER S-RAM
A SW15
B
ADM-CONT.
ADM
52 ENABLE 51 DATA 50 CLK 49 ENABLE2 48...
Service Manual - Page 32
...Latch (4 × 6)
16 bit Latch 16 bit × 15 word Display Data RAM
Control Logic
Grid
Driver
10
G10 - VSX-108
00202879-040 (BU2879AK) (DISPLAY PCB : IC702)
• FL Driver IC for oscillation SW4
4
4 ...is P ch open-drain and pull-down resistor
I Power supply pin 1 Connect to system GND I Connect to system power
O Output for grid Output is N ch open -drain and pull-down resistor...
Service Manual - Page 35
... (L, R) button Use to adjust volume balance.
35 PANEL FACILITIES 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... rear level 4 CENTER/REAR button Use to select the Level Control. 5 REMOTE SENSOR 6 DISPLAY 7 LED INDICATOR "DOLBY PRO LOGIC", SFC, LOUDNESS 8 STEREO button Use to playback sound that...
Service Manual - Page 37
...
Dark blue line
Center speaker
+- Orange line
+- STEREO: Lights when stereo broadcasts are being received. TUNED: Lights when broadcasts are received during auto stereo mode.
2 CHARACTER display
When use packed speaker system
Front right speaker
Subwoofer
Front left speaker
+- Display
VSX-108
SP A DIRECT LOUDNESS PRO LOGIC VIRTUAL DSP TAPE 2
MONO TUNED STEREO
1 TUNER indicator...
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