JVC KD-G615 Schematics
SCHEMATIC DIAGRAMS
CD RECEIVER
KD-G615
CD-ROM No.SML200502
Area suffix
UT ------------------------ Taiwan
UH --------------------- Thailand
UN ------------------------ Asean
U ------------------- Other Areas
Contents
Block diagram
Standard schematic diagrams (For UT,UH,UN,U version)
Standard schematic diagrams (For UT2,UH2,UN2,U2 version)
Printed circuit boards
COPYRIGHT 2005 Victor Company of Japan, Limited.
2-1
2-2
2-5
2-8 to 10
No.MA147SCH
2005/2
Safety precaution
!
!
Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
Please use enough caution not to see the beam directly or touch it in case of an
adjustment or operation check.
Block diagram
CD servo control section Main amplifier section
IC652
MP3 DEC
IC621
D.SURVO
& DSP
SW1, SW2
SPINDLE
MOTOR
REST
SWITCH
LOAD&FEED
MOTOR
SW1, SW2
SPINDLE+, SPINDLE-
REST
LOAD/FEED+, LOAD/FEED-
MP3REQ, MP3CK, MP3DA, MP3STB, MP3RST
SDO
BCK
LRCK
DATA
BCK
LRCK
FMO, DMO
TRO, FOO
IC571
24BIt DAC
VOUTL, VOUTR
DACML, DACMC, DACMD
IC681
CD
DRIVER
FE, TE
RFGC, RF
RFRP, RFDC
SEL, TEB
BUS0 to 3
BUCK, CCE
DSPRST
IC601
CD RF
LOAD/FEED+, LOAD/FEEDSPINDLE+, SPINDLETRACKING+, TRACKINGFOCUS+, FOCUS-
LOAD, LD/FE
VA, VB
VE, VF
MD, LD
VREF
RWSEL
IC501
CN601
REST
SW1
SW2
CPU
LCD & Key control section
IC602
REMOCON
REMOCON
LCDCL, LCDDA
LCDCE, DIMMER
IC572
CD LPF
CDRESET
B.DET, P.DET
CDMUTE
CDREQ
S601 to S614
S616, S617
KEY MATRIC
KEY0, KEY1
KEY2
CD.L
CD.R
BUSSI/SO
BUSCLK
IC503
J-BUS
BUFF
IC502
EPROM
ENC1
ENC2
J1
ANT
CN501
CN601 J601
CDRESET
CDMUTE
CDREQ
B.DET
P. D ET
SI/SO
SCK
KEY0
KEY1
KEY2
LCDCL
LCDDA
LCDCE
REMOCON
ENC1
CN701CN101
ENC2
DIMMER
FM/AM
TUNER
FMVT
AMVT
FM/AM OSC
IC31
PLL
PLLCE
PLLDA
PLLCL
PLLDI
TU1
IC701
CPU
TU.L
TU.R
SD/ST, MONO
SM, IFC.CONT
SEEK/STOP, FM/AM
VOLDA
VOLCL
RESET
EPROMCK
EPROMDI
EPROMDO
LPF1, LPF2
SI/SO, BUSCLK
SI/SO
BUSSO
I/O
BUSINT
SCK
BUSCLK
JVC BUS
Q781, Q782
MUTE
CONTROL
CD.L
CD.R
IC702
RESET
IC771
EPROM
IC801
MUTE
IC161
E.VOLUME
SCK
AUX.L
AUX.R
XFL, XFR
XRL, XRR
FL, FR, RL, RR
EACH BLOCK
REGULATOR
SWOUT
IC271
SUBWOOFER
SELECTOR
CH.L
CH.R
Q321, Q331
Q341, Q351
LINE OUT
MUTING
IC901
LN.FL,LNFR
LN.RL,LN.RR
IC301
POWER
AMP.
FRONT LEFT (+)
FRONT LEFT (-)
FRONT RIGHT (+)
FRONT RIGHT (-)
REAR LEFT (+)
REAR LEFT (-)
REAR RIGHT (+)
REAR RIGHT (-)
IC251
SUBWOOFER
AMP.
J321
FRONT
REAR
LINE OUT
CN901
SPK
BATTERY
CN251
SUB WOOFER
OUT
J801
CD CHANGER
CONTROL
TRACKING+, TRACKINGFOCUS+, FOCUS-
FOCUS & TRACKING
COIL
CN001
VA, VB, VE, VF
LD, MD, VREF
PICK UP
IC601
LCD DRIVER
COM1 to COM10
S1 to S73
LCD1
LCD DISPLAY
D601 to D643
LIGHTING
DISPLAY
AUX.L
AUX.R
EN601
ENCODER
AUX
INPUT
2-1
Standard schematic diagrams
(For UT, UH, UN, U version)
Main amplifier section
QAU0312-002
J1
QNB0100-002
C8
C29
0.047
D706
CH.R
CH.L
R32
6.2k
D707
IC31
TB2118F-X
C33
C916
D709
D708
120P
47/6.3
2SB1132/QR/-W
47/16
D719
D720
D711
C802
0.0047
CD.L
CD.R
CDMUTE
CDREQ
CDRESET
B.DET
P.DET
To CN501
(SHEET 2)
SI/SO
SCK
CN701
QNZ0605-001
DIMOUT
REMOCON
ACC5V
10V
ENC1
ENC2
LCDCE
LCDDA
LCDCL
KEY2
KEY1
KEY0
To CN601
(SHEET 3)
AUX.R
AUX.GND
AUX.L
PLLCE
PLLDA
PLLCL
PLLDI
CN101
0.1
QGB2027M4-22S
C727
QNZ0095-001
QAX0616-001Z
X31
C36
7P
C35
10P
RA30
2.2K
R33
10k
C34
SW5V
0
R788
R904
220
D705
D702
D704
D703
D701
J801
L1
4.7u
0.1
C37
R42
10
Q901
Q701
UN2211-X
C730
100P
47k
R802
C803
PS2
R804
R805
100k
D717
D718
R803
IC271
10/16
R274
47K
C262
2.2/50
MA111-X
D271
C904
10/16
R276
R275
C254
R271
2.2k
LN.CTR
CNT.MI
1M
1M
C252
0.082
R258
15K
R296
SUB.CTR
0.1
C915
CD4066BPW-X
R252
47/6.3
C261
2.2/50
47K
CD8V
C914
100/16
51K
R251
Q271
R295
Q292
R293
C907
100k
C251
0.0082
820
KTD1304-X
R261
47K
UN2211-X
Q291
UN2211-X
100
R294
220/10
C905
47/16
100
R905
C257
0.047
C256
R907
1k
C903
0.1
R260
47k
0
R262
C273
100P
0.012
5.6k
47/16
C278
XFR
R279
C277
C255
Q903
UN2211
47K
0.0056
1M
R277
1M
R278
47/16
IC291
CD4066BPW-X
C271
0.1
C272
100P
R906
10k
Q902
UN2111
ACCIN
STBY
AMPSW
XFL
C917
MA111-X
MA111-X
0.1
0.1
R903
RL
FL
0.47
C312
C301
0.47
RR
FR
XRR
XRL
D351
MA111-X
D341
D321
MA111-X
D331
C292
C902
9.1k
R902
4.7k
R313
R303
R298
C302
0.47
C341
C311
0.47
IC301
TB2906HQ
R351
2.2k
R341
2.2k
R321
2.2k
R331
2.2k
R292
0
47K
2.2/50
R901
1k
UDZS11B-X
D325
0.1
R311
47K
R312
47K
R314
R304
R301
47K
R302
47K
R342
820
R352
820
R322
QGA2501C1-03
820
C294
CN251
R317
1.2K
R318
1.2K
100p
100p
0
C316
0.1
C307
R353
100
1/50
R343
RB160M-30-X
QNZ0611-001
LN.RR
LN.RL
C320
4.7/25
C317
22/16
MUTE
1K
R706
100
D971
CN901
Q706
0.1
C971
UN2211-X
L901
D972
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
D901
1N5401-F64
C901
QEZ0723-338
QQR1378-002
RB160M-30-X
C322
C323
C324
C325
C965
C961
C966
C962
C967
C963
C968
C964
R971
C313
C314
100p
100p
C303
C304
Q341
Q321
KTD1304-X
R291
0
R297
47K
4.7/25
R333
B305
R307
1.2K
R308
1.2K
Q351
KTD1304-X
Q331
820
R332
C293
100
LN.FL
J321
KTD1304-X
KTD1304-X
4.7/25
R323
100
LN.FR
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
1/50
C308
0.1
C319
C318
C315
2.2/50
2.2/50
C326
1000P
4700P
4700P
4700P
4700P
D995
D991
D996
D992
D997
D993
D998
D994
470P
470P
470P
470P
470P
470P
470P
470P
OUTFL-
OUTFL+
OUTFR-
OUTRL-
OUTRR-
OUTFR+
OUTRR+
OUTRL+
R972
2.2K
2.2K
OUTRL-
OUTRR-
OUTFR-
OUTFL+
OUTRL+
OUTRR+
OUTFL-
OUTFR+
SHEET 1
RR
RL
FL
FR
R372
0
XFL
XFR
R373
33k
Q977
2SB709A/QR/-X
47k
R892
Q891
UN2211-X
R976
20k
1k
C369
100/10
R891
D892
R398
100/10
C366
C389
C386
D781
MA111-X
MA111-X
D891
MA111-X
000
R397
R396
100/10
100/10
Q781
UN2111-X
C781
47/6.3
RB160M-30-X
C851
RB160M-30-X
R977
8.2k
0
R893
0.1
C891
10/16
D851
0
D852
R395
4.7/25
4.7/25
4.7/25
4.7/25
C368
C367
C388
C387
0
47K
47K
R368
R369
47K
47K
R388
R389
C782
0.47
R851
Q892
UN2211-X
10k
C852
C909
TEL.OUT
ANT
220/10
XRL
XFL
XRR
XFR
2.2K
R785
0.01
LPF2
LPF1
47/6.3
D273
D782
MA111-X
R784
47K
KTD1304-X
HA13164A
C908
R881
Q274
Q273
R254
470k
C253
10/16
UDZS4.7B-X
C279
MA111-X
/SUBMUTE
R783
10K
Q782
IC901
D902
MA111-X
220/10
C912
0.1
47k
Q881
UN2211-X
R882
4.7k
D251
22/16
C881
UN2211-X UN2211-X
R253
UN2111-X
D783
UDZS11B-X
0.1
C276
0.022
C274
0.022
C275
0.022
C298
0.1
100k
IC251
NJM4565M-WE
R256
100k
R257
8.2k
R259
1.2k
C281
0.082
Q272
MA111-X
Q784
UN2111-X
C784
D784
C910R4C906
IN.DIMMER
47/16
R255
0
100/16
C911
TU1
IC361
NJM2160BV-X
47/6.3
R366 R367
R387 R386
R731
47k
BUSCLK
R757
2.2k
C361
100k
100k
C365
4.7/25
R382
C390
C392
C381
100k
C383
100k
C385
C394
VDD5V
S701
QSW0451-001
LCDCE
LCDCL
LCDDA
I/O
BUSSO
SI/SO
LEVEL
KEY2
KEY1
KEY0
ENC2
4.7k
4.7k
4.7k
47K
47K
C363
C393
R363
0.1
R749
SM
R747
R748
R776
R775
C391
R383
R362
0.1
4.7/25
47/16
0.1
4.7/25
47/16
4.7/25
0.1
L701
4.7u
C711
220/10
C713
0.22
C725
0.1
C743
0.33
C744
C740
0.1
22k
22k
100/10
22k
0.1
C724
0.1
C707
0.1
Q1
KTD1304-X
C81
R81
SM
C10
C12
0.1
220/10
R1
12
330P
C51
SD/ST
C731
4700P
1/50
C91
1/50
R2
47k
MONO
IFC.CNT
PWR
R720
R719
R709
DIMOUT
LN.CTR
SUB.CTR
C706
VOLDA
VOLCL
/SUBMUTE
LPF1
LPF2
R768
R767
R760
R759
R770
R769
R714
TEL.OUT
R762
R761
IC701
UPD784217AGC308
C732
C734
C735
4700P
0.01
R91
R8
10k
Q8
UN2211-X
1.2k
0
10k
0.1
2.2k
R161
2.2k
R162
0
R791
0
R792
0
R793
47k
47k
47k
47k
47k
47k
10K
47k
47k
VPP
C736
C737
0.01
0.01
C1
22/16
MA111-X
MA111-X
C7
0.1
D1
D2
C39
0.001
R38
R39
0
100
C38
1000P
10P
39k
10k
C40
10/16
0.047
0.01
R40
0.047
R41
C42
C43
C41
C44
0.01
0.01
C46
0.01
C47
R43
R44
470
220
C48
0.047
C50
C32
100P
47P
R31
4700P
10
C31
Q31
100/10
UN2211-X
UN2211-XUN2211-X
PWR
P.DET
B.DET
C722
C721
0.01
0.01
C729
0.1
C728
C716
0.1
C717
100P
100P
22k
100
IC801
HD74HC126FP-X
22P
C2
C52
Q703Q702
R806
0.0027
C45
10k
100
0.1
R9
/CDRESET
C720
C4
220/10
2SB624/4/-X
C49
0.001
UN2211-X
FM/AM
CDRESET
0.01
FM.VCC
C6
0.1
C3
0.1
C95
C11
0.1
C9
22/16
2SB709A/R/-X
R11
10k
D4
Q6
MA111-X
R6
47k
R7
4.7k
R13
R12
4.7k
4.7k
C24
0.001
Q7
33
R15
C27
5600P
Q2
2SC2411K
R780
47k
Q704
UN2211-X
UN2211-X
CDREQ
/CDREQ
R789
R765
270
270
D714
SML-310VT/JK/-X
D715
SML-310VT/JK/-X
D716
SML-310VT/JK/-X
R808
330
R809
R810
100
R801
C801
0.047
Q705
R807
BUSINT
BUSCLK
22k
47k
C94
3.3k
C26
C25
330P
4.7k
R14
CDMUTE
SI/SO
BUSSO
I/O
100k
SCK
C804
C84
47k
VDD
Q5
R5
D5
MA111-X
0.1
R781
22P
C85
D6
MA111-X
SEEK/STOP
47k
/CDMUTE
C723
C5
0.1/50
R52
27K
R50
0.1
R92
C177C176
CD.L
CD.R
AUX.R
0.0470.047
AUX.GND
AUX.L
CH.L
CH.R
LEVEL
0.01
C738
0.01
C82
R82
C92
C28
C30
0.01
STBY
1k
R763
C395
C739
0.01
0.01
1k
R721
/CDRESET
C396
0.01
R197R196
100K100K
R758
0.01
C173
C163
C172
C162
C171
C161
C175
D244
47k
10k
R722
/CDMUTE
C797
C798
0.01
QTE1H55-225Z
QTE1H55-225Z
C179
C183
0.22
R248
220
UDZS5.1B-X
VSS
R755
AMPSW
X1
0.01
C747
0.047
47/16
10M
IC161
TDA7404D-X
1/50
1/50
1/50
1/50
C165
1/50
1/50
C174
1/50
C184
0.22
RB160M-30-X
D243
C243
0.047
39K
0.015
MA111-X
0.22/50
C245
PLLDI
PLLCL
TELMUTE
0.1
C705
QAX0617-001Z QAX0401-001
R247
C244
QSW0451-001
PLLDA
PLLCE
FM/AM
R754
820
X701
8P
C704
C703
D242
S702
IFC.CNT
27P
C702
R245
1k
R246
SEEK/STOP
10k
R723
47k
R701
X702
27P
47
10k
R725
/RESET
22P
C701
/CDREQ
R244
12k
C242
22/16
Q241
2SD601A/R/-X
ANT.CNT
BUSINT
PS2
0.015
C742
R243
R242
R753
R158
R159
180k
C241
1/50
22k
MONO
10k
R726
R751
REMOCON
47k
C708
R241
SD/ST
10k
R728
10k
0.1
R787
10k
C147
0.01
C182
0.1
100/16
C181
VOLDA
VOLCL
R163
120k
10K
10K
47k
R729
47k
RESET
10k
R750
ENC1
C726
0.1
R756
FL
RL
RR
FR
IC771
270
R771
47k
D710
MA111-X
270
R772
R764
100
R732
R734
R735
R736
R737
R738
R739
R740
R741
R766
R743
R744
R745
R746
C709
RL
FL
RR
FR
TD
R370
1k
R371
1k
R390
1k
R391
1k
BR24L16F-W-X
C771
0.047
RD
R730
10k
10k
2.2k
2.2k
2.2k
0
4.7k
4.7k
4.7k
10k
47k
10k
10k
10k
10k
S703
QSW1049-001Z
D713
UDZS5.6B-X
IC702
IC-PST3433U-X
0.01
C710
R361
22k
C362
0.0015
C360
0.0015
R365
33k
R381
33k
C382
0.0015
0.0015
C380
R385
C745
0.33
C746
0.1
NJM2160BV-X
Q976
UN2211-X
33k
TELMUTE
IC381
2-2
CD servo control section
C612
C613
QGF0527F2-22W
CN601
VA
VF
VE
VREF
VB
R615
MD
LD
FOCUSFOCUS+
TRACKING+
TRACKINGSPINDLE+
SPINDLEREST
SW2
SW1
LOAD/FEED+
LOAD/FEED-
CN502
QGF0501F1-08X
RESET
BUSSCK
BOOT
BUSSI
BUSSO
150
0.01
0.01
SPINDLE+
SPINDLELOAD/FEED+
LOAD/FEED-
R682
2.2k
R681
6.8k
R683
6.8k
DACML
DACMC
L653
C652
BUSIO
R574
47u
/BUSIO
100
R534
-
R599
47
R594
0.01
LOAD
DATA
100
R533
47
BCK
CDON
LD/FE
1k
R532
-
R598
R595
SDO
R657
RWSELSCK
47k
R531
DACMD
47
100/6.3
C575
LRCK
R678
-
2.2k
Q652
UN2211-X
47k
R656
2SB624/4/-X
47k
R530
BUSSI
BUSSO
C561
C578
0.012
100/6.3
0.1
0.012
100/6.3
C574
C573
C580
IC652
TC94A34FG-002
-
R677
Q651
-
-
47k
R528
R527
R529
C502
0.01
BUSSCK
R524
R585
27K
C587
C585
R581
24K
4.7/35
820p820p
C583C584
100p 100p
C582 C581
C586
R582
24K
4.7/35
47u
L572
C663
C662
100p
0.01
C661
10/6.3
R651
100k
R526
C653
47k
100/6.3
C506
47/6.3
R523
R522
R521
R520
R519
R518
R517
R513
C654
1k
R510
100
0.01
0.1
100
100
100
100
100
100
100
R515
47k
R514
47k
R509
R512
R511
NAX0385-001X
C504
47k
R508
X501
22P
L651
47u
-
C503
C660
MP3RST
DSPRST
47k
47k
1k
CCE
BUCK
BUS0
BUS1
BUS2
BUS3
SW1
B.DET
CDRESET
C505
0.1
100p
C659
0.01
C655
MP3CK
MP3DA
22P
RESET
R654
CDON
39
SDO
R583
8.2K
R584
8.2K
R586
27K
BCK
DATA
LRCK
L501
47u
C512
100/6.3
C513
0.01
C511
0.1
R561
R568
BUSSO
R563 R562
6.8k 3.9k
C551
BUSSI
BUSIO
/BUSIO
BUSSCK
0.01
R554
150P
C588
150P
MP3STB
100k
1k
IC503
SN74AHCT126PW-X
R569
1k
R570
1k
R553
18k
33k
C593
IC504
47/16
R551
C589
4.7/35
IC572
C590
4.7/35
R655
C656
NJU7241F33-X
100k
NJM4580V-X
R588 R587
-
C599
10k
0.1
R555
100k
R552
CD.L
R589
10k
10k10k
R592R590
C592
47/6.3
10k
R591
C591
100k 0
Q571
UN2111-X
Q572
UN2211-X
R566
-
R556
C594
0
1000p
8VDET
Q502
UN2211-X
R565
-
47/6.3
C596
D506
MA111-X
B501
0
R564
-
R557
CD.R
CDON
C595
0.047
4.7
100p
R593
CD.L
AGND
CD.R
9V
SCK
DATA
CDMUTE
CDREQ
CDRESET
B.DET
P.DET
BUSSI/SO
BUSCLK
100k
CD8V
CN501
QGB2027L1-22X
To CN101
(SHEET 1)
47k 47k
L502
47u
100
R560
100
R558 R559
SHEET 2
RFRP
0.1
R609
SEL
2SB1132/QR/-W
Q601
FMO
DMO
100
100
R635
R636
L621
FOCUS+
FOCUSTRACKING+
TRACKING-
R686
12k
R688
1.8k
VREF
C638
CDON
TRO
FOO
DMO
10/6.3
4.7/35
C683
C684
47/16
56k
TEB
C604
0.01
47u
C690
C682
0.1
FE
C606
82k
R607
C639
0.01
C622
B681
1SR154-400-X
D682
47/6.3
47/6.3
0
47/16
47/16
VREF
47/16
C689
C693
C694
R608
47/6.3
820
TRO
R631
RWSEL
RFDC
100
C607
FOO
R630
0.01
TE
C605
0.0068
C637
0.047
C636
0.047
C632
470p
C631
470p
R634
R633
R632
100
R624
5.6k
C508
0.01
MP3DA
MP3CK
IOP
IC502
BR24L01AFV-W-X
C616
10/6.3
0
0
0
270
R546
C623
CDON
C630
C627
270
R547
2SB624/4/-X
Q574
UN2211-X
0.047
C635
R629
10k
R628
R626
47p
R625
R542
R543
R544
R545
C509
R549
R550
R548
R525
Q573
R579
0.047
C634
0.033
C629
0.01
C625
Q501
UN2111-X
0.01
4.7k
4.7k
8.2k
100k
0.01
C510
47k
R578
2.2k
0.047
C633
SEL
TEB
RFGC
TE
RFDC
FE
RFRP
0.033
RF
C626
0.0027
0.01
1.5M
470k
47k
P.DET
R516
1k
R540
47k
R539
47k
R541
100
10k
100
100
10k
NAD0028-103X
TH501
0.1
C577
IC573
SN74AHCU04PW-X
-
R577
L573
C628
47/6.3
C624
0.015
15k
R627
8VDET
C514
TMP91CW12AF5VD9
BOOT
BUSSCK
IC571
PCM1753-X
47
R668
100
IC501
1000p
C597
0.001
1000p
C598
0.01
C501
R572
2.2M
27P
C571
L652
1k
R501
CDON
1K
R575
1K
R573
X571
27P
C572
47u
1k
1k
R502
R503
CDMUTE
CDREQ
NAX0375-001X
C665
0.1
IC651
100
R537
100
100
R504
R505
MP3RST
MP3STB
R576
C667
C666
C675
C676
R675
C664
C668
C669
NJU7772F15-X
DACMD
DACMC
DACML
100
100
R535
R536
47k
R506
SW2
0.01
100p
-
-
47/6.3
0.01
C507
0.01
1K
REST
C651
R507
X651
220
2200P
47/6.3
47k
RF
R613
C611
68p
1k
C610
IC601
TA2157FN-X
R601
C614
0.01
4.7k
R638
4.7k
R639
R602
R603
R604
4.7k
R640
4.7k
R641
0.01
C646
C601
C643
0.01
10k
R642
82k
82k
330k
330k
47/6.3
L622
47u
0.33
C644
BA5830FP-X
C602
47/6.3
C645
IC681
0.01
R616
10k
IC621
TC94A14FA
VB
VA
VF
VE
MD
IOP
LD
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
DSPRST
L623
47u
FMO
C687
-
C688
-
8.2k
R684
15k
R691
0
B682
LOAD
LD/FE
RFGC
R610R611R612R614
10010k2k15k
0.1
C609
5p
22
R605
47/6.3
100p
C641
C642
C603
22
R606
0.01
C640
R637
47
R621
R622
BCK
Q681
2SB1184/QR/-X
100/6.3
1M
47
LRCK
C685
-
C686
-
R623
R690
R689
R685
6.8k
R687
6.8k
C608
0.01
47
C621
DATA
33k
12k
2-3
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