Panasonic SA-VK925DGC, SB-VK82, SB-PC82, SA-VK825D Service Manual
n AMPLIFIER SECTION
RMS Output Power: Dolby Digital Mode
Main
85 W per channel (4 Ω), 1 kHz, 10% THD
Surround Ch
60 W per channel (4 Ω), 1 kHz, 10% THD
Center Ch
80 W per channel (4 Ω), 1 kHz, 10% THD
Subwoofer Ch
90 W per channel (4 Ω), 100 Hz, 10% THD
Total RMS Dolby Digital mode power
460 W
PMPO output power 5600 W
n FM/AM TUNER, TERMINALS SECTION
Preset station FM 15 stations
AM 15 stations
Frequency Modulation (FM)
Frequency range 87.50 - 108.00 MHz (50 kHz step)
© 2005 Matsushita Electric Industrial Co. Ltd.. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
SA-VK825DGC
Colour
(S) .... Silver Type
Sensitivity 2.5 µV (IHF)
S/N 26dB 2.2 µV
A
ntenna terminals 75 Ω (unbalanced)
A
mplitude Modulation (AM)
Frequency range 522 - 1629 kHz (9 kHz step)
520 - 1630 kHz (10 kHz step)
A
M Sensitivity S/N 20dB at 999 kHz
560 µV/m
A
udio performance (Amplifier)
Input sensitivity/I nput impedance
A
ux 250 mV, 20 kΩ
Phone jack
Terminal Stereo, 3.5 mm jack
Mic jack
Sensitivity 0.7 mV, 600 Ω
Terminal Mono, 6.3 mm jack (2 system)
n CASSETTE DECK SECTION
Type Auto-Reverse
DVD Stereo System
Please use this manual together with the service manual for Model No. [SA-VK82DGCP/GCS/GS-S, Order
No. MD0506224C3].
Specifications
ORDER NO. MD0506222A3
Track system 4-Track, 2 Channel
Head Record/Playback Solid permalloy head
Erasure Double gap ferrite head
Motor DC servo motor
Recording System AC Bias 100 kHz
Erasing System AC Erase 100 kHz
Tape Speed 4.8 cm/s
Overall frequency response (+3, -6 dB) at DECK OUT
Normal 35 Hz - 14 kHz
S/N Ratio 50 dB (A weighted)
Wow and Flutter 0.18 % (WRMS)
Fast Forward and Rewind Time Approx. 120 seconds with
C-60 cassette tape
n DISC SECTION
Disc played [8 cm or 12 cm]
(1) DVD (DVD-Video, DVD-Audio, DivX , )
(2) DVD-RAM (DVD-VR, JPEG,, MPEG4,,DivX , )
(3) DVD-R (DVD-Video, DivX , )
(4) DVD-RW (DVD-Video, DVD-VR, DivX , )
+ R/RW (Video)
(5) CD,CD-R/RW [CD-DA, Video CD, SVCD , MP3,, WMA
,
7
, JPEG
*4,*7
, MPEG4
* 5,*7
,DivX*6,*7, HighMAT Level 2 (Audio and
Image)]
Conforming to IEC62107
MPEG-1 Layer 3, MPEG-2 Layer 3
Windows Media Audio Ver.9.0. L3
Not compatible with Multiple Bit Rate (MBR)
Exif Ver 2.1 JPEG Baseline files
Picture resolution: between 160 x 120 and 6144 x 4096 pixels (Sub
sampling is 4:2:2 or 4:2:0)
MPEG4 data recorded with Panasonic SD multi cameras or DVD
video recorders.
Conforming to SD VIDEO specifications (ASF standard)/ MPEG4
(Simple Profile) video system/G.7 26 audio system
DivX 3.11, 4.x, 5.x
GMC (Global Motion Compensation) is not supported
The total combined maximum number of recognizable audio,
picture and video contents and groups: 4000 audio ,picture and video
contents and 400 groups.
Pick up
Wavelength
CD 785 nm
DVD 662 nm
A
udio output (Disc)
Number of channels 5.1 ch (FL,FR,C,SL,SR,SW)
A
udio performance (measurement at: Line out terminal)
Frequency response
CD-Audio 4Hzto20kHz(+1dB,-2dB)
n VIDEO SECTION
Video system
Signal system PAL625/50, PAL525/60, NTSC
Composite video output
Output level 1Vp-p(75Ω)
Terminal Pin jack (1 system)
S-video output
Y output level 1Vp-p(75Ω)
C output level 0.3 Vp-p (75 Ω)(PAL)
0.286 Vp-p (75 Ω )(NTSC)
Terminal S terminal (1 system)
Component video output
[NTSC: 525 (480)p/525 (480)i, PAL: 625 (576)p/625 (576)i]
Y output level 1Vp-p(75Ω)
PBoutput level 0.7 Vp-p (75 Ω)
PRoutput level 0.7 Vp-p (75 Ω )
Terminal
Pin jack (Y: green, PB:blue,PR:red)(1system)
n GENERAL
Power supply
AC 110 to 127V/220 to 240 V, 50/60Hz
Power consumption 365 W
Power consumption in standby mode:
0.9 W (approximate)
Dimensions (W x H x D) 250 x 330 x 348 mm
Mass 9.4 kg
Operating temperatur e range +5°C to +35°C
Operating humidity range 5% to 90% RH (no condensation)
n SYSTEM
SC-VK825D (GC) Music System: SF-VK825D (GC)
Speakers: SB-VK82D (GC)
2
SA-VK825DGC
*6
*6
*6
*6
*7
*7 *7
*7
*7
*7
*7
*4
*5
*1
*2
*3
*
*4
*1
*2
*5
*3
*7
*6
Notes:
1. Specifications are subject to change without notice. Mass and
dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum
analyzer.
1 Operating Procedures 4
2 Disc information
6
3 Schematic Diagram (Updating)
7
3.1. (A) DVD Module Circuit
7
3.2. (B) Main Circuit
14
3.3. (I) Transformer Circuit
23
4 Printed Circuit Board (Updating)
24
4.1. (A) DVD Module P.C.B. (Side A & B)
24
4.2. (B) Main P.C.B.
26
4.3. (I) Transformer P.C.B.
28
5 Illustration of IC's, Transistors and Diodes (Updating)
29
6 Parts Location and Replacement Parts List (Updating)
30
6.1. Cabinet
31
6.2. Electrical Parts List (Updating)
33
6.3. Packing Materials & Accessories Parts List (Updating)
34
CONTENTS
Page Page
3
SA-VK825DGC
1 Operating Procedures
4
SA-VK825DGC
5
SA-VK825DGC
2 Disc information
6
SA-VK825DGC
3 Schematic Diagram (Updating)
Note: With reference to page 81~87, 89~97 & 104 (section 22) of the original service manual for SA-VK82DGCP/GCS/GS-S.
Below are the updates.
3.1. (A) DVD Module Circuit
16
17
18
19
20
21
25
23
22
24
26
1
2
3
4
5
6
14
12
10
8
7
9
11
13
15
2
4
6
5
3
1
SCHEMATIC DIAGRAM - 2
DVD MODULE CIRCUIT
: +B SIGNAL LINE : CD-DA SIGNAL LINE
T+
F+
F-
T-
HFM
TA(DVD)
TB(DVD)
TD(DVD)
TC(DVD)
FE2(DVD/CD)
FE1(DVD/CD)
GND
RF
VREF2(RF-)
PIN(DVD)
LDCD
LDGND
LDDVD
GND(OEIC)
VREF1
VCC
SUB2
SUB1
PIN(CD)
SUBSEL
GND(VRCD)
FP8531
LDCNT
MUTE3
TRIN
BIAS2
LDIN
VIN3
PREVCC
FIN
VCC(CH3.4)
MUTE4
GND(CH3.4)
VO3-
VO3+
VO4-
VO4+
BIAS1
VIN1
VIN2
OPIN+
OPIN-
OPOUT
GND(PRE)
FIN
VCC(CH1.2)
MUTE12
GND(CH1.2)
VO2-
VO2+
VO1-
VO1+
VIN1
VIN2
VIN4
VIN3
RFINP
RFINN
LPC1
VREFH
VIN6
VIN5
LPC2
RAM_CD
LB8260 ERJ3GEY0R00V
LB8259 ERJ3GEY0R00V
LB8258 ERJ3GEY0R00V
LB8257 ERJ3GEY0R00V
LB8561
J0JBC0000042
LB8551 J0JBC0000042
LB8531 ERJ2GE0R00X
R8533 0
R8531 1.5K
C8533 0.1
C8256
0.1
C8253
0.1
R8251
6.8
RX8532
(56 x 4)
RX8533
(56 x 2)
C8531 100P
C8532
220P
RX8531
(56 x 2)
IC8251
C0GBG0000048
DRIVE IC
IC8251
TO
OPTICAL
PICKUP
UNIT
CIRCUIT
ON
SCHEMATIC
DIAGRAM-1
C8255
16V22
C8258
0.1
C8257
16V47
R8532 2.2K
TRVFTMUTE
C8262
0.1
C8261
0.1
R8262
15K
R8261
82k
R8263
82k
R8264
15K
CL8252 CL8231
TL8201
R8231
22K
R8230
2.2K
C8231
0.1
DRV0
CL8251 CL8232
R8232
7.5K
C8232
0.1
DRV1
C8252
0.1
C8251
6.3V220
D+5V
TO
SPINDLE
MOTOR
FP8251
SPM-
SPM+
TRVM-
TRVM+
DGND
TRV_INNER_SW
M+9V
SPMUTE
AD1
TRDRV
FODRV
VHALF
TRV-I-SW
C8511 1
C8512 1
CL8262
RX8534
(56 x 2)
VIN8
VIN7
3029
15
16
17
12
13
14
18
11
19
10
20
9
21
8
22
7
23
6
24
5
25
4
26
3
27
2
28
1
7
SA-VK825DGC
1
2
3
4
5
6
SCHEMATIC DIAGRAM - 3
DVD MODULE CIRCUIT
: +B SIGNAL LINE
D+5V
CL8571
TL8510
TL8511
CL8551
CL8561
VO
NC
GND
CN
VIN
NC
NC
Cont
D+3.3V
HFMON
AD0
LPC02
LPC01
A+5V
D+1.2V
LB8571
J0JBC0000042
LB8530
J0JHC0000045
C8572
0.1
C8571
10
D8571
MA2J72800L
TL8111
C8112
1
C8113
470P
C8111
0.1
L8550
G1C100KA0055
C8561
0.1
C8551
0.1
C8530
0.1
R8559
15K
R8558
47K
R8557
51
R8556
56
C8553
6.3V47
R8555
2.2
R8553
1K
R8552
1K
R8551
0
R8554
68
C8552
16V10
R8567
51
R8568
47K
R8566
56
C8563
6.3V47
R8565
2.2
R8563
1K
C8564
1
C8562
16V10
R8564
22
R8562
1K
R8561
0
C8550
6.3V33
C8554
1
QR8571
UNR511V00L
SUPPLY CONTROL SWITCH
Q8562
B1ADGB000008
SWITCH
Q8552
B1ADGB000008
SWITCH
Q8561
2SD1819A0L
SWITCH
Q8551
2SD1819A0L
SWITCH
IC8111
C0CBCBD00018
3.3 REGULATOR IC
IC8111
QR8111
XP0621400L
SWITCH
RX8111
(22K x 2)
1
2
3
6
7
8
4
5
8
SA-VK825DGC
15
14
13
12
11
10
2
4
6
8
9
7
5
3
1
30
29
28
27
26
25
17
19
21
23
24
22
20
18
16
36
35
34
33
32
31
50
49
48
47
46
38
40
42
44
45
43
41
39
37
SCHEMATIC DIAGRAM - 4
DVD MODULE CIRCUIT
: +B SIGNAL LINE
TO
MAIN CIRCUIT
(CN2813) ON
SCHEMATIC
DIAGRAM - 11
FP8101
Y/PY/G
VGND
VGND
VGND
VGND
VGND
ADAC5V
ADAC5V
ADACGND
ADACGND
ADACGND
ADACGND
ADACGND
ADACGND
DGND
DGND
D+5V
D+5V
D+5V
A+5V
A+5V
A+5V
AGND
AGND
D+1.2V
D+1.2V
DGND
DGND
M+9V
M+9V
MGND
MGND
DGND
DGND
LB8303
J0JBC0000042
CB/PB/B
LB8304 J0JBC0000042
CR/PR/R
LB8305 J0JBC0000042
Y
LB8301 J0JBC0000042
C
LB8302
K8421 ERJ3GEY0R00V
J0JBC0000042
MIX-L
LB8421 ERJ2GE0R00X
MIX-R
LB8422 ERJ2GE0R00X
OP_CPU-CLK
LB8691
ERJ2GEJ101X
FL
LB8425 ERJ2GE0R00X
FR
LB8426 ERJ2GE0R00X
SL
LB8427 ERJ2GE0R00X
SR
LB8428 ERJ2GE0R00X
CNT
LB8429 ERJ2GE0R00X
SW
LB8430 ERJ2GE0R00X
A-REF
LB8423 ERJ2GE0R00X
ZFLAG&AMUTE
LB8424 ERJ2GE0R00X
AUDIODIGITAL
LB8491
TC8430
CL8491
ERJ2GE0R00X
OP_CPU-CMD
LB8692
ERJ2GEJ101X
OP_CPU-STAT
LB8693
ERJ2GEJ101X
FL8103
F1H0J1050022
VCC
GND
GND
VCC
CPU_CLK
CPU_CMD
CPU_STAT
Y/PY/G
CB/PB/B
CR/PR/R
Y
C
D+1.2V
C8695
0.1
C8691
0.1
LB8690
J0JBC0000044
IC8421
IC8691
C0JBAA000346
AND GATE LOGIC IC
IC8421
C0FBBK000050
8-CH DAC IC
QR8420
UNR521100L
AUDIO MUTING SWITCH
IC8695
C0JBAA000346
AND GATE LOGIC IC
K8106
ERJ3GEY0R00V
: MAIN SIGNAL LINE
M+9V
ZERO2
VOUT1
VOUT2
VCOM
AGND2
VCC2
VOUT3
VOUT4
VOUT5
VOUT6
AGND1
VCC1
VOUT7
VOUT8
ZERO1
MS
MC
MD
SCK
DATA1
BCK
LRCK
VDD
DGND
DATA2
DATA3
DATA4
MSEL
C8423
6.3V33
C8424
0.1
C8428
0.1
C8422
0.1
C8427
0.1
C8426
0.1
R8420
2.2K
CL8431
C8421
6.3V100
AUDIODIGITAL
SBT3
STBDAC
SBO3
CL8435
AMUT
ADAC-CLK
DMIXOUT
SRCK
LRCK
ADOUT0
CL8432
ADOUT1
CL8433
ADOUT2
CL8428
CL8427
FL8104
F1J1E1040022
K8001
ERJ2GE0R00X
K8004
ERJ2GE0R00X
CL8012
CL8004
CL8001
K8006
ERJ2GE0R00X
K8009
ERJ2GE0R00X
CL8010
CL8007
CL8006
FL8102
F1H0J1050022
FL8101
F1H0J1050022
: DVD VIDEO SIGNAL LINE
1
2
27
28
3
26
4
25
5
24
6
23
7
22
8
21
9
20
10
19
11
18
12
17
13
16
14
15
4
51
2
3
4
51
2
3
9
SA-VK825DGC
SCHEMATIC DIAGRAM - 5
DVD MODULE CIRCUIT
: +B SIGNAL LINE
RX8611
(4.7K x 2)
C8611
0.1
R8611
100
RX8691
(10K x 2)
CL8612
CL8611
C8651
0.1
C8652
0.1
A0
A1
A2
GND
VCC
WP
SCL
SDA
A15
A14
A13
A12
A11
A10
A9
A19
A20
XWE
XRESET
NC
WP/ACC
RDY/XBSY
A18
A17
A7
A6
A5
A4
A3
A2
A1
A16
XBYTE
VSS
DQ15/A-1
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
VDD
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
XOE
VSS
XCE
A0
EXDT0
EXADR15
EXADR16
EXADR14
EXADR13
EXADR12
EXADR11
EXADR10
EXADR9
EXADR8
EXADR19
EXADR20
NEXWE
EXADR18
EXADR17
EXADR7
EXADR6
EXADR5
EXADR4
EXADR3
EXADR2
EXADR1
EXADR0
PNRST
SCL
SDA
SBT3
CPU_CLK
CPU_CMD
IC8611
C3EBGC000044
16M EEPROM IC
(NOT SUPPLIED)
IC8611
IC8651
RFKWMH90E160
16M FLASH ROM IC
RX8001
(10K x 2)
STBDAC
EXDT8
EXDT1
EXDT9
EXDT2
EXDT10
EXDT3
EXDT11
EXDT4
EXDT12
EXDT5
EXDT13
EXDT6
EXDT14
EXDT7
EXDT15
CL8652
NEXCE
NEXOE
A+5V
R8333
33
Y/PY/G
R8332
0
R8331
100
R8334 1K
C8331 0.1
L8330
G1C100K00019
Y/PY/G_A
C8330
6.3V47
IC8651
R8336
33
CB/PB/B
R8335
100
R8337 1K
C8335 0.1
CB/PB/B_A
R8342
33
CR/PR/R
R8341
100
R8343 1K
C8341 0.1
CR/PR/R_A
R8323
33
Y
R8322
0
R8321
100
R8324 1K
C8321 0.1
Y_A
R8327
33
C
R8326
0
R8325
100
R8328 1K
C8325 0.1
C_A
Q8331
Q8321, Q8325, Q8331, Q8335, Q8341
2SB1218ARL
SWITCH
Q8335
Q8341
Q8321
Q8325
EXTRG0
RX8032
(4.7K x 2)
: DVD VIDEO SIGNAL LINE
A8
8
7
2
1
6
3
5
4
1
2
3
46
47
48
4
45
5
44
6
43
7
42
8
41
9
40
10
39
11
38
12
37
13
36
14
35
15
34
16
33
17
32
18
31
19
30
20
29
21
28
22
27
23
26
24
25
10
SA-VK825DGC
SCHEMATIC DIAGRAM - 6
DVD MODULE CIRCUIT
: +B SIGNAL LINE
C8602
0.015
VDD
DQ0
VDDQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VDDQ
DQ5
DQ6
VSSQ
DQ7
VDD
LDQM
/WE
/CAS
/RAS
/CS
BA0
BA1
A10/AP
A0
A1
A2
A3
VDD
VSS
DQ15
VSSQ
DQ14
DQ13
VDDQ
DQ12
DQ11
VSSQ
DQ10
DQ9
VDDQ
DQ8
VSS
NC
UDQM
CLK
CKE
NC
A11
A9
A8
A7
A6
A5
A4
VSS
EXADR1
EXADR2
EXADR3
MDQ15
MDQ14
MDQ11
MDQ10
DQM1
CLK
MA7
MA6
MA5
MA4
MDQ0
MDQ1
MDQ2
MDQ3
MDQ4
MDQ5
MDQ6
MDQ7
DQM0
NWE
NCAS
NRAS
NCSM
BA0
BA1
MA10
MA0
MA1
MA2
MA3
C8051
1
C8052
0.1
C8053
0.1
C8054
220P
C8055
1
C8056
2200P
C8057
1
C8007 0.1
C8019 0.1
C8018 0.1
C8008
0.1
IC8051
IC8051
C3ABPG000145
64 SDRAM IC
VSS
VDD
OUT
NC
CD
PNRST
C8606
0.1
R8601
100K
C8601
0.1
IC8606
C0EBE0000455
RESET IC
IC8601
C0EBA0000029
RESET IC
C8020 0.1
C8021 0.1
C8022 0.1
C8006 0.1
EXADR4
EXADR5
EXADR6
EXADR7
EXADR17
EXADR18
EXADR19
EXADR8
EXADR9
EXADR10
EXADR11
EXADR12
EXADR13
EXADR14
EXADR15
EXADR16
EXDT15
EXDT7
EXDT14
EXDT5
EXDT12
EXDT4
EXDT6
EXDT13
EXDT11
EXDT3
EXDT10
EXDT2
EXDT9
EXDT1
EXDT8
EXDT0
NEXOE
NEXCE
EXADR0
CL8058
CL8059
CL8057
CL8060
CL8056
CL8061
CL8055
CL8062
CL8054
CL8063
CL8053
OUT
VDDNIC
GND
NEXWE
CL8651
CL8653
MA10A
MA8
MA9
RX8015
(82 x 4)
MA11
MA10
MDQ7A
MDQ8
MDQ6A
RX8014
(82 x 4)
MDQ9
MDQ7
MDQ6
MDQ3A
MDQ12
MDQ2A
RX8012
(82 x 4)
MDQ13
MDQ3
MDQ2
IC8606
IC8601
4
5
12
3
1
2
3
4
1
2
3
52
53
54
4
51
5
50
6
49
7
48
8
47
9
46
10
45
11
44
12
43
13
42
14
41
15
40
16
39
17
38
18
37
19
36
20
35
21
34
22
33
23
32
24
31
25
30
26
29
27
28
11
SA-VK825DGC
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