Panasonic SA-VKX80EE Service Manual Download Page 16

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MAIN CIRCUIT

SCHEMATIC DIAGRAM - 6

SA-VKX80EE/GN/PH MAIN CIRCUIT

3/8

4/8

7/8

2/8

6/8

8/8

1/8

5/8

TO MAIN
SECTION (1/8)

TO MAIN
SECTION (6/8)

TO MAIN
SECTION (3/8)

: +B SIGNAL LINE

: -B SIGNAL LINE

: AM SIGNAL LINE

: AM/FM SIGNAL LINE

: FM SIGNAL LINE

: VIDEO OUTPUT SIGNAL LINE

: AUDIO OUTPUT SIGNAL LINE

: AUX/MIC/MUSIC PORT AUDIO INPUT SIGNAL LINE

: TAPE AUDIO INPUT SIGNAL LINE

TO
D-AMP CIRCUIT
(CN5050)
IN SCHEMATIC
DIAGRAM - 18

PCONT

R2960

2.2K

+5V

R2961

2.2K

B1ABCF000176

PCONT SWITCH

Q2960

ASP_GND

MUTE_A

DC_DET2

B0ACCK000012

D2961

MODE_DA

F_HOP

D2962

B0ACCK000012

DGND

R2078

10K

LDIN

FL3.3V

TRAY_CCW_L

TRAY_CW_H

R2074

150K

R2077

150K

R2073

D2300

B0ACCK000012

R2061

CLIP_S

4.7M

R2057

B1ADCE000012

SWITCH

Q2050

R2062

C2070

2.2K

R3509

2.2K

R3510

5600P

27K

C2072

R3508

20K

B1ADCE000012

SWITCH

Q3500

Q3501

2SD0601AHL

SWITCH

AGND

15K

R2424

C2421

0.33

C2420

R2423

15K

C2424

0.47

C2425

0.47

+12V

C2418

C2419

R2438

10K

C2431

10K

R2440

C2433

R2434

R2433

CN2401

AGND

SIGNAL_A_GND

SUBWOOFER

MOD_DA

DC_DET_AMP

AGND

FRONT L (TW)

FRONT R (TW)

FRONT L (WOOFER)

FRONT R (WOOFER)

MUTE_F_SW

FHOP

FAN

C2237

SUBWOOFER

R2436

4.7K

C2429

5600P

R2435

4.7K

C2428

5600P

C2432

R2439

10K

R2437

C2430

10K

B1ABCF000176

AMPLIFIER

Q2403

B1ABCF000176

AMPLIFIER

Q2402

C2412

0.047

R2420

4.7K

33K

C2417

R2416

3.3K

C2414

0.047

R2418

C2416

C2411

0.047

C2413

0.047

R2415

3.3K

R2419

4.7K

R2422

2.7K

4.7K

10V100

R2421

C2415

R2417

33K

B1ABCF000176

AMPLIFIER

Q2405

Q2404

B1ABCF000176

AMPLIFIER

470K

R2430

R2428

15K

R2432

4.7K

5600P

C2423

R2431

4.7K

R2429

470K

5600P

C2422

R2427

15K

K18...GN

K19...EE

K20...PH

Summary of Contents for SA-VKX80EE

Page 1: ...3 1 4 Before Repair and Adjustment 4 1 5 Protection Circuitry 4 1 6 Safety Parts Information 4 2 Warning 6 2 1 Prevention of Electrostatic Discharge ESD to Electrostatic Sensitive ES Devices 6 2 2 Precaution of Laser Diode 7 2 3 Service caution based on Legal restrictions 8 Please refer to the original service manual for 1 SA VKX80EE GN K is base on SA VKX80GC K Order No PSG1011003CE 2 SA VKX80PH ...

Page 2: ... 2 Differences Table 12 4 Specifications 13 4 1 Others Licenses 14 5 Schematic Diagram 15 5 1 Main Circuit 15 6 Printed Circuit Board 23 6 1 Main P C B 23 7 Exploded View and Replacement Parts List 24 7 1 Exploded View and Mechanical Replacement Parts List 24 7 2 Electrical Replacement Parts List 31 ...

Page 3: ...h a 0 15µF capacitors between each exposed metallic part on the set and a good earth ground such as a water pipe as shown in Figure 1 3 Use an AC voltmeter with 1000 ohms volt or more sensitivity to measure the potential across the resistor 4 Check each exposed metallic part and measure the voltage at each point 5 Reverse the AC plug in the AC outlet and repeat each of the above measurements 6 The...

Page 4: ...ion Safety Parts List There are special components used in this equipment which are important for safety These parts are marked by in the Exploded View Replacement Parts List It is essential that these critical parts should be replaced with manufacturer s specified parts to prevent shock fire or other hazards Do not modify the original design without permission of manufacturer Safety Ref No Part N...

Page 5: ...F C5703 F0CAF224A105 0 22uF C5704 F1BAF471A013 470pF PH C5705 F1BAF471A013 470pF PH C5706 F1BAF471A013 470pF EE GN C5707 F1BAF1020020 1000pF EE GN C5708 F1BAF1020020 1000pF EE GN C5708 F1BAF471A013 470pF PH Safety Ref No Part No Part Name Description Remarks ...

Page 6: ...f the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a r...

Page 7: ...t radiation power from pickup 100 µW VDE Laser radiation from the pickup unit is safety level but be sure the followings 1 Do not disassemble the pickup unit since radiation from exposed laser diode is dangerous 2 Do not adjust the variable resistor on the pickup unit It was already adjusted 3 Do not look at the focus lens using optical instruments 4 Recommend not to look at pickup lens for a long...

Page 8: ...is used Definition The letter of PbF is printed on the PCB using the lead free solder To put lead free solder it should be well molten and mixed with the original lead free solder Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC Since the melting point of the lead free solder is higher than that of the normal lead solder it takes the longer time to melt the lead...

Page 9: ...ent the laser diode from the electrostatic discharge damage the flexible cable of the optical pickup unit removed should be short circuited with a short pin or a clip 3 The flexible cable may be cut off if an excessive force is applied to it Use caution when handling the flexible cable 4 The antistatic FPC is connected to the new optical pickup unit After replacing the optical pickup unit and conn...

Page 10: ...10 2 4 2 2 Human body grounding 1 Use the anti static wrist strap to discharge the static electricity form your body ...

Page 11: ...mory IC IC8651 RFKWMH61B3D0 Micro processor 1 The following components are supplied as an assembled part Micro processor IC IC2800 RFKWMVKX80GA Speaker system 1 This model uses Speaker System SB AKX70PN K Base model 1 SA VKX80EE GN K is base on SA VKX80GC K 2 SA VKX80PH K is base on SA VKX80GS K As such this service manual does not contain the following information as below Location of Controls an...

Page 12: ... GN K19 D0GBR00JA008 0 1 16W EE PCB2 REPX0873F REPX0873K MAIN P C B RTL EE REPX0873H MAIN P C B RTL GN R2080 D0GB183JA008 D0GB223JA008 22K 1 16W R2223 D0GB183JA008 D0GB223JA008 22K 1 16W R2803 D0GB332JA008 D0GB562JA008 5 6K 1 16W EE D0GB153JA008 15K 1 16W GN Ref No Part No Part Name Description Remarks SA VKX80GS K SA VKX80PH K 17 RGRX1003F A1 RGRX1003F C1 REAR PANEL P1 RPGX3400 RPGX3404 PACKING C...

Page 13: ...jack Y green PB blue PR red 1 system Q DISC SECTION Disc played 8 cm or 12 cm 1 DVD DVD Video DivX 6 7 2 DVD R DVD Video DVD VR JPEG 4 7 MP3 2 7 MPEG4 5 7 DivX 6 7 3 DVD R DL DVD Video DVD VR DivX 6 7 4 DVD RW DVD Video DVD VR JPEG 4 7 MP3 2 7 MPEG4 5 7 DivX 6 7 5 R RW Video 6 R DL Video 7 CD CD R RW CD DA Video CD SVCD 1 MP3 2 7 WMA 3 7 JPEG 4 7 MPEG4 5 7 DivX 6 7 1 Conforming to IEC62107 2 MPEG ...

Page 14: ...14 4 1 Others Licenses Front Speakers SB AKX70PN K Subwoofer SB WAKX70PNK Q System SC VKX80PH K Main Unit SA VKX80PH K Front Speakers SB AKX70PN K Subwoofer SB WAKX70PNK ...

Page 15: ... C2032 R2028 1 2K C2036 R2043 1K 0 068 C2058 R2036 5 6K C2043 B1ABCF000176 SWITCH Q2001 C2048 3300P 0 47 C2045 R2042 8 2K 0 01 C2014 C2020 1000P C2061 1000P 51 49 47 45 42 43 40 41 44 46 48 50 25 20 16 15 18 19 17 23 24 21 22 26 38 35 36 30 32 31 27 29 28 34 33 37 39 6 1 4 2 3 5 52 8 9 7 11 12 10 13 14 MIX_R 0 R2005 R2007 4 7K 0 K2000 TUNER_R PBR AUX_R R2011 4 7K R2012 0 BE_MIX_L MIX_L 0 R2000 TUN...

Page 16: ...50 R2062 1K 1 C2070 2 2K R3509 2 2K R3510 5600P 27K C2072 R3508 20K B1ADCE000012 SWITCH Q3500 Q3501 2SD0601AHL SWITCH AGND 15K R2424 C2421 0 33 0 33 C2420 R2423 15K 10 C2424 0 47 C2425 0 47 12V C2418 C2419 10 0 R2438 10K C2431 0 10K R2440 C2433 R2434 R2433 0 0 CN2401 AGND AGND AGND SIGNAL_A_GND SUBWOOFER MOD_DA NC NC DC_DET_AMP AGND FRONT L TW FRONT R TW FRONT L WOOFER FRONT R WOOFER MUTE_F_SW FHO...

Page 17: ... R2860 RESET 22K R2950 22K R2951 10K R2952 R2862 0 C2952 330P 330P C2951 7 8 5 4 3 1 2 6 IC2950 C3EBFY000006 EEPROM VREF B1ACCF000094 POWER SUPPLY Q2800 C2817 6 3V220 SYS3 3V EE_CS EE_CLK EE_DAT DI TEST DO GND VCC CS NC SK Q2206 Q2205 B1ABCF000176 LEVEL CONTROL B1ABCF000176 LEVEL CONTROL Q2203 B1ABCF000176 MUTING Q2201 B1GDCFJJ0047 Q2200 B1GDCFJJ0047 SWITCH SWITCH SW_LV1 SW_LV2 SUBWOOFER R2200 10K...

Page 18: ...50 30 39 37 35 32 31 34 33 36 38 40 22 23 20 21 26 28 27 24 25 18 19 53 55 57 62 60 59 61 63 58 56 54 29 52 75 73 71 72 74 9 7 6 8 10 11 IC2800 RFKWMVKX80GA MICRO PROCESSOR 100P C2800 100P C2801 0 01 C2802 SYS_GND VCC VDD NC NC NC HP_SW PCONT EFP_CE TUNER CLK TUNER DATA DVD_PCONT VSS AM_BP MPORT_SW DVD_CLK AGC_ACT CLIP_ATTN DVD_STA DVD_CMD 32 EFP_RXD1 31 REG1 EFP_TXD1 NC NC NC NC NC 51 NC NC UNLOA...

Page 19: ...hermal Pad 1 1 5 10 7 6 IC52 1 2 JK52 0 1 C62 1 C63 R53 4 7K C52 L52 SEN SCLK RFGND AM ANT AM ANT GND RST G2A380Y00002 0 47 AMI GCGPO1 NC NC FM ANT FMI FM AM RADIO RECEIVER VDD VIO SDIO DCLK ROUT DOUT DFS LOUT RCLK GND GCGPO2 G1CR18JA0020 VUEALLPT031 19 18 8 9 FM ANT TUNER_RST TUNER_CLK TUNER_DATA TUNER_R TUNER_L FL3 3V MIC_IN A9V 12V MOTOR_ON TAPE_L REC_RIN R3602 1 5K R3600 39K R3601 39K 1 5K R36...

Page 20: ...LM_L R2984 1K REC_RIN R2982 1K 1K R3308 2 3 1 5 4 6 Q3302 B1GFGCAA0001 MUTING 1 5K R3311 A9V R2979 0 1 C2970 R2976 470K MIX_R Q3301 B1GDCFJJ0047 MUTING CONTROL R3307 10K R2977 0 1 5K R3312 3 1 2 D2970 B0ADCC000002 R2983 470K C2971 0 18 39K R2978 ASP_GND D 5V 1 2 CN3701 NEGATIVE POSITIVE 100K R3715 Q3707 B1ABCF000176 DC DETECT R3726 27 R3724 10K C3717 16V47 R3721 470K 100 R3717 6 3V220 C3715 Q3704 ...

Page 21: ...3409 C3411 0 1 0 1 C3412 0 1 6 8 9 7 2 1 4 5 3 10 11 CN3501 R3404 1K R3401 75 L3401 J0JBC0000015 C3400 100P 1 7 3 5 6 4 2 JK3400 COMPONENT VIDEO OUT COMPONENT VIDEO OUT VIDEO OUT 100P C3401 C3413 0 01 C3404 6 3V1000 C3414 0 1 16V10 C3408 26 25 27 28 17 18 20 22 24 23 21 19 8 9 7 16 15 10 11 12 13 14 3 1 2 30 32 31 4 5 6 29 C9ZB00000461 VIDEO DRIVER IC3400 D 5V GND YSAG SEL S2 CIN S1 VCC1 VOUT VSAG...

Page 22: ...3V 22K R4010 0 01 C4201 C4200 16V100 B1ADCE000012 DC DETECT Q4300 R4004 220K 4 2 1 3 5 IC4000 C0DAAYH00001 SWITCHING REGULATOR L4001 G0A101ZA0028 25V1000 C4007 D4003 B0ACCK000012 R4001 1 5K PCONT D4301 B0JAME000114 C4302 3300P R4305 47 16V100 C4303 0 1 C4010 B0JCPD000025 DZ4000 6 3V820 C4006 D4201 B0EAKM000117 B0EAKM000117 C4005 0 01 0 K2017 D4202 Z2001 C4204 16V1000 K2021 0 D4302 B0EAMM000057 B0B...

Page 23: ...C2037 C2053 R2041 C2054 R2040 C2049 C2050 R2039 R2038 R2037 C2046 C2044 R2034 C2042 C2039 C2048 C2045 C2043 R2036 R2033 C2041 C2038 C2036 C2055 C2051 C2056 C2151 R2155 R2154 R2153 R2152 C2153 R2157 R2156 R2160 C2157 R2161 C2159 C2158 R2158 R2159 C2156 IC2150 R2407 R2408 R2873 R2400 Q4200 Q3302 Q3301 R3311 R3312 R3308 R3307 R2981 R2982 R2976 C2970 R2979 D2970 R2977 R2978 R2984 R2983 C2971 C2402 C21...

Page 24: ...R6000 SW4 JK6810 JK6800 JK6501 JK6500 JK1111 IR6000 FL6000 CP303 CN6807 CN6500 CN6004 CN6002 CN6001 CN6000 CN1113 100 75 70 68 68 67 67 67 67 67 67 67 66 66 65 64 63 62 62 61 59 58 57 55 53 52 51 50 50 50 49 49 47 46 45 43 42 41 38 37 36 35 34 33 32 28 22 22 20 20 20 20 20 20 20 20 20 20 20 20 20 20 19 18 16 15 1 15 1 15 14 11 10 3 a a b b c d e o p q q t u v x 1 2 3 4 5 6 7 8 9 A B C D E F G H 10...

Page 25: ...2 CN2401 SMALL HEATSINK UNIT HEATSINK UNIT B HEATSINK UNIT A D AMP HEATSINK UNIT 401 78 78 77 77 76 76 74 72 72 71 71 69 69 69 69 69 69 60 54 48 48 44 44 40 39 31 30 29 29 27 26 25 25 24 24 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 23 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 22 21 21 21 21 21 21 17 13 13 12 9 8 7 6 5 4 2 1 c d e f f g g h h i i j j k k l l m m n n o p r r v w w x y y ...

Page 26: ... 116 115 115 114 113 112 112 111 110 109 108 108 107 107 106 105 104 103 102 MECH ASSEMBLY MECH ASSEMBLY 101 s s t u SA VKX80EE GN PH K DECK MECHANISM DRAWINGS 1 2 3 4 5 6 7 8 9 A B C D E F G H 10 11 12 13 TAPE SIDE TOP GEAR SIDE BOTTOM ...

Page 27: ...APTER A7 VIDEO CABLE A6 FM INDOOR ANTENNA A5 AM LOOP ANTENNA A4 OI BOOK A3 FOR EE PH ONLY FOR GN ONLY AC CORD AC CORD A2 A2 R C BATTERY COVER A1 1 A1 REMOTE CONTROL P3 P2 P2 FRONT P1 SC VKX80EE GN PH K PACKAGING DRAWINGS POLYFOAM TOP POLYFOAM BOTTOM P2 1 2 3 4 5 6 7 8 9 A B C D E F G H 10 11 12 13 ...

Page 28: ...28 ...

Page 29: ...ASS Y 1 15 1 RKAX0042 K LEG CUSHION 2 16 RYPX0321J S2 D BASS BUTTON UNIT 1 17 RGRX1003E B1 REAR PANEL 1 EE 17 RGRX1003E C1 REAR PANEL 1 GN 17 RGRX1003F C1 REAR PANEL 1 PH 18 RGWX0112 S1 VOLUME KNOB 1 19 RGWX0113 S SKIP KNOB 1 20 RHD26046 L SCREW 14 21 RHD30007 K2J SCREW 6 22 RHD30119 S SCREW 18 EE GN 22 RHD30119 S SCREW 19 PH 23 RHDX30005 1 SCREW 17 24 RMAX0333 3 CHASSIS SUPPORT 2 25 RMAX1002 1 D ...

Page 30: ... 3 FAN FIXTURE 2 CASSETTE DECK 100 RAA0945A N DECK MECHANISM UNIT 1 101 RDV0021 2 CAPSTAN BELT 1 102 RXK0215 J1 MECHA ASS Y 1 103 RFKPVBK20GCK MOTOR ASS Y 1 104 RBR4CM006 T R P HEAD 1 105 RD JHP001 N1 ERASE HEAD 1 106 RHD20049 1 SCREW 1 107 RHD26002 1 SCREW 2 108 RJR0033 EARTH LUG 2 109 RMA0108 1 MOTOR BRACKET A 1 110 RMB0059 AZIMUTH SPRING 1 111 REXN0021 4P CABLE WIRE R P HEAD DECK 1 112 RMG0102 ...

Page 31: ...3L MAIN P C B 1 RTL PH PCB3 REPX0877BA PANEL P C B 1 RTL PCB4 REPX0877BA CD OPEN BUTTON P C B 1 RTL PCB5 REPX0877BB USB P C B 1 RTL PCB6 REPX0877BC REMOTE SENSOR P C B 1 RTL PCB7 REPX0877BD MUSIC PORT P C B 1 RTL PCB8 REPX0877BF MIC P C B 1 RTL PCB9 REPX0878A DECK P C B 1 RTL CHIP JUMPERS K18 D0GBR00JA008 0 1 16W 1 GN K19 D0GBR00JA008 0 1 16W 1 EE K20 D0GBR00JA008 0 1 16W 2 PH RESISTORS R2080 D0GB...

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