Harman Kardon HK 3700 Service Manual ▷ View online
HK37_MAIN_LPP_CUP12609Z-A_131029.sch-1 - Wed Nov 06 11:08:12 2013
2013.08.28
MULTI. LAB
ANAM
ISSUE
HK3700/3770
2
A
B
1
2
3
4
5
D
C
B
A
6
C
D
APPROVE
CHECK
DESIGN
DRAWING NO
(AMP)
1
MODEL
SHEET
SCHEMATIC DIAGRAM
REVISION
1
2
3
4
5
6
7
LPP
L-CH
R-CH
- 6
**THE UNIT OF RESISTANCE IS OHM.
K=1000 OHM, M=1000 KOHM
**THE UNIT OF CAPACITANCE IS MICROFARAD (uF).
1pF = 10 uF
**THIS SCHEMATIC DIAGRAM MAY BE MODIFIED AT ANYTIME
WITH THE IMPROVEMENT OF PERFORMANCE.
COMPONENTS IDENTIFIED BY MARK HAVE SPECIAL CHARACTERISTICS
USE ONLY MANUFACTURER'S SPECIFIED PARTS.
IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS,
**IMPORTANT SAFETY NOTICE.
FROM SMPS B'D
+VCC
GND
-VCC
GND
-VCC
22 27
SPK1_Fr
SPK2_FL
SPK1_FR
SPK2_FR
-1.2V
+1.2V
C915
C916
OVERLOAD
P_FAIL
-12V
ADC_R
OC_DETECT
MAIN_VOL_DATA
TUNER_SCL
TUNER_SDA
MAIN_VOL_CLK
FUNC_MUTE
TUNER_MUTE
DC_PROTECT
HP_R
HP_L
ADC_L
+7.5VA
-7.5VA
+3.3V
FAN1_ON
+12V
AGND
REC_MUTE
SPK1_SEL
SPK2_SEL
AGND
2W 0.47Ω
*4
2W 0.47Ω
*4
L
R
L
R
HK3700 : 2SA1695
HK3770 : 2SC3856
HK3700 : 2SC4468
HK3700 : 2SC4468
HK3770 : 2SA1492
Q402,Q502
Q403,Q503
NJW1112_LATCH
NJW1194_LATCH
HK3700 : 4700uF/50V (ELNA)
HK3770 : 6800uF/63V (ELNA)
C915 , C916
FAN1_H/S
80'C Operation
70'C Operation
FAN
TEST
(S
HORT
)
FAN1 ON: 6.96V
FAN2 ON: 11.16V
AGND
NJW2753_R
NJW2753_L
AGND
HK3700 : 2SA1695
HK3770 : 2SC3856
Q403,Q503
HK3700 : 2SC4468
HK3770 : 2SA1492
Q402,Q502
DAC-FR
AGND
DAC-FL
DAC_FR
AGND
DAC_FL
FAN2_ON
AGND
HK3770
HK3700
R424,R526
1.5K
1.8K
C407,C408
C505,C506
C505,C506
330uF/63V
220uF/63V
OPTION
C924
0.1uF
D973
1SS355
D974
1SS355
G901
R567
47K
R566
47K
R562
33K
C917
47/50V
R565
10K
R563
33K
R564
33K
C931
0.047u
C932
0.047u
R560
75K
R555
0.1
R556
0.1
R557
1.0
R558
1K
R559
560K
Q937
MMBT5401
Q940
MMBT5401
C516
16V/22uF
R569
47K
R568
47K
R561
33K
G902
J914
D409
CVD1SS355T
D408
CVD1SS355T
C334
5600P(M)
C332
5600P(M)
C331
5600P(M)
C333
5600P(M)
C335
0.047u(M)
C336
0.047u(M)
13
24
5
6
RY33
13
24
5
6
RY32
R543
8.2K
R542
7.5K
R540
22K
R526
1.5K
C502
330P
R532
33K
C501
10UF/100V
R525
33K
R534
10
C511
0.01uF
R508
10(1/4W)
R509
10 (1/4W)
C507
3P
C506
330uF/63V
C504
220/50V
C505
330uF/63V
R529
270
R524
470
R527
100
R528
100
R523
1.6K
R522
1.6K
R517
560
R521
560
R519
560
R520
560
R518
560
R505
10 (1/4W)
R504
10 (1/4W)
R515
15K
R514
15K
R516
560
Q510
A1024Y
Q511
C3206Y
C503
270P
C508
180P
R512
220
R513
220
L202
0.5uH
R546
47 (1/4W)
R547
47 (1/4W)
R536
2.4K
Q501
KTC3114A
KTC3114A
C509
10/50V
Q508
A1024Y
Q509
C3206Y
R510
220
R511
220
Q504
2SA1859A
2SA1859A
Q505
2SC4883A
R502
2.2
R503
2.2
R506
100
R507
100
R533
330
D502
1SS133
R535
OPEN
R538
750
R541
270K
D503
1SS133
R545
4.7K
R530
47K
R449
8.2K
R448
7.5K
R446
22K
R424
1.5K
C402
330P
R430
33K
C401
10UF/100V
R423
33K
R431
10
C412
0.01uF
R408
10 (1/4W)
R409
10 (1/4W)
C409
3P
C407
330uF/63V
C405
220/50V
C408
330uF/63V
R429
270
R422
470
R425
100
R426
100
R421
1.6K
R420
1.6K
R417
560
R433
560
R419
560
R461
560
R418
560
R499
10 (1/4W)
R438
10 (1/4W)
R415
15K
R414
15K
R416
560
Q410
A1024Y
Q411
C3206Y
C404
270P
C410
180P
R412
220
R413
220
L204
0.5uH
R454
47 (1/4W)
R453
47 (1/4W)
R442
2.4K
Q401
KTC3114A
KTC3114A
C411
10/50V
Q408
A1024Y
Q409
C3206Y
R410
220
R411
220
Q404
2SA1859A
Q405
2SC4883A
R402
2.2
R403
2.2
R437
100
R439
100
R432
330
D402
1SS133
R440
OPEN
R445
750
R447
270K
D403
1SS133
R450
4.7K
R428
47K
R548
82(1/4W)
C510
10uF/100V
R549
82(1/4W)
C413
10uF/100V
VR203
220
VR204
220
D505
1SS133
D506
1SS133
D406
1SS133
12
CN41
12
CN51
D405
1SS133
8200UF/63V
8200UF/63V
C419
2200/16V
Q502
2SC3856
Q503
2SA1492
2SA1492
Q402
2SC3856
Q403
2SA1492
Q516
KSC1845
Q515
KSC1845
KSC1845
Q517
KSC1845
Q513
KSC1845
Q514
KSA992
Q512
KSA992
Q416
KSC1845
Q415
KSC1845
KSC1845
Q417
KSC1845
Q413
KSC1845
Q414
KSA992
Q412
KSA992
Q500
KSC1845
Q400
KSC1845
R571
R573
R572
R574
R495
R497
R496
R498
Q506
KTD2061Y
Q507
KTB1369Y
Q406
KTD2061Y
Q407
KTB1369Y
+
-
-
+
+
-
+
-
1
3
2
4
7
5
8
6
9
10
JK30
G900
J920
J921
J922
J923
J922
J923
1
2
J310
1
2
J311
1
2
J313
1
2
J314
1
2
J315
1
2
J316
1
2
J317
1
2
J318
J319
J345
J924
J925
J925
J926
J929
J930
J931
J932
J932
J613
J614
J615
J616
J617
J618
J619
J620
J621
J622
J611
G3
J404
R952
22K
R953
22K
D967
1SS355T
D968
1SS355T
R959 56K
C950
10V/470uF
R958
56K
Q911
A1271Y
Q912
A1271Y
A1271Y
Q915
MMBT5551
R924
47K
R925
47K
R928
2.2K
R929
2.2K
R933
4.7K
D964
1SS355T
C936
220/25V
R500
10K
R922
10(1W)
1
2
CN93
Q916
RT1N144C
R921
1W 22Ω
R747
4.7K
R746
4.7K
D970
1SS355T
1
2
CN11
D981
1SS355T
20
21
23
22
19
18
16
17
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BN10
1
3
1
2
1
1
1
0
98
76
543
21
BN50
R501
10/1W
C520
0.047u
R401
10/1W
C440
0.047u
Q533
HVTKRC107S
Q532
HVTKRA107S
R550
47
R570
47
Q534
HVTKRC107S
Q536
HVTKRA107S
R580
47
D965
1SS355T
D966
1SS355T
Q913
A1271Y
A1271Y
R926
47K
R930
2.2K
R923
1R0(1W)
Q917
RT1N144C
RT1N144C
J623
J624
J624
J627
J626
J626
J625
J612
J628
J629
J630
J631
J632
J632
J633
J610
3
2
1
CN30
J640
J641
J642
J642
J643
J645
32
1
BN60
G904
P_FAIL
-VCC
+VCC
-VCC
+VCC
FL_IN
-VCC
+VCC
FR_IN
OC_DETECT
DC_PROTECT
DC_PROTECT
P_FAIL
NJW_DATA
NJW1112_LATCH
TUNER_SDA
TUNER_SCL
FUNC_MUTE
TUNER_MUTE
+3V3
TUNER_SCL
FUNC_MUTE
TUNER_MUTE
+3V3
-7.5V
+7.5V
+7.5V
ADC_R
ADC_L
HP_R
+12V
-12V
-12V
DC_PROTECT
CHGND
REC_MUTE
HP_L
RL_CH_OUT
RL_CH_OUT
RR_CH_OUT
RR_CH_OUT
AGND
NJW1194_LATCH
NJW_CLK
AGND
AGND
AGND
AGND
AGND AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND AGND
AGND
AGND
AGND
+12V
+12V
FAN1_ON
AGND
FAN1_ON
AGND
AGND
AGND AGND
AGND
OC_DETECT
AGND
NJW2753_R
NJW2753_L
AGND
SPK2
-12V
SPK1
SPK2
SPK1
SPK1
FAN2_ON
FAN2_ON
AGND
AGND
+VCC
+VCC
-VCC
-VCC
Harman Kardon
HK 3700 Service Manual
Page 105 of 109
HK37_MAIN_LPP_CUP12609Z-A_131029.sch-2 - Wed Nov 06 11:08:15 2013
2013.08.28
ISSUE
ANAM
MULTI. LAB
2
2
(VOLUME PART)
7
6
5
4
3
2
1
REVISION
SCHEMATIC DIAGRAM
SHEET
MODEL
DRAWING NO
DESIGN
CHECK
APPROVE
D
C
6
A
B
C
D
5
4
3
2
1
B
A
LPP
TUNER MODULE
L-OUT
R-OUT
R-OUT
VCC
CLK
DATA
IIC/RDSI
LA
GND
IISD
TUN_L
TUN_R
23 27
TUN1
EUR
USA
CNVMW104MV1R78
CNVMW004MV1R78S
HK3700/3770
L
R
ANALOG 2
L
R
ANALOG 3
R
L
ANALOG 1
L
R
ANALOG 5
L
R
REC OUT
R
L
ANALOG 4
REC MUTE
L
R
PHONO
TUNER_MUTE
TUNER_L
TUNER_R
AGND
+3V3
TUNER_SDA
TUNER_CLK
AGND
TUNER_R
AGND
+3V3
TUNER_SDA
TUNER_CLK
AGND
+12V
AGND
AGND
-12V
L1
R1
L2
R2
L3
R3
L4
R4
L5
R5
L6
R6
L7
R7
L8
R8
R-CH
L-CH
INA1
INA2
INA3
INA4
INB1
INB2
INB3
INB4
GND
GND
OUT1B
GND
ADR1
ADR0
V+
V-
LATCH
CLK
DATA
GND
OUT1A
GND
GND
DCCAP_1B
DCCAP_1A
V-
TONE_BA2A
TONE_BA1A
TONE_TR1A
TONE_BA1B
TONE_BA2B
TONE_TR1B
V-
DATA
LATCH
CLOCK
ADR
V+
GND
V-
OutL1
OutR1
OutL2
OutR2
OutL3
OutR3
OutR4
OutL4
SUB OUT
TEST用 : OPEN
DAC_FL
AGND
DAC_FR
2013.08.16
J500,J501
COIL
U Ver.
N Ver.
C322
0.1uF/50V
C321
16V/100uF
R324
100
R326
100K
R327
100
R329
100K
9
8
7
6
5
4
3
2
1
TUN1
R321
4.7K
R325
0
R328
0
R323
4.7K
R322
4.7K
R478
3.9K
R479
3.9K
V+
B OUTPUT
B-INPUT
B+INPUT
V-
A+INPUT
A-INPUT
A OUTPUT
-
+
B
-+
A
8
7
6
5
4
3
2
1
IC35
2068M
D
TE
1
R
476
47K
R
477
47K
C383
0.022u
C382
0.022u
R474
270
R475
270
6
5
4
3
2
1
IC
36
HVTKTC812TB
R335
4.7K
R334
4.7K
6
5
4
3
2
1
IC
50
H
VTK
TC
81
2TB
R
469
47K
R
470
47K
C354
50V/10uF
C355
50V/10uF
R332
270
R333
270
R
330
39K
R
331
39K
R471
0ohm
R472 0ohm
C380
22P
C381
22P
C385
22P
C384
22P
J916
J915
J917
J918
C308
47/25V
C307
47/25V
R307
560K
R308
560K
R313
470
R314
470
R309
47K
R310
47K
R301
1K
R302
1K
R311
680
R312
680
R303
100K
R304
100K
L301
320mH
L302
320mH
C301
100P
C302
100P
C316
1500P
C315
1500P
C314
5600P
C313
5600P
C318
10/50V
C317
10/50V
C304
10/50V
C303
10/50V
C319
0.018u
C320
0.018u
R315
47K
R316
47K
C305
100P
C306
100P
R305
100K
R306
100K
C312
100/16V
C311
100/16V
C310
1000P
C309
1000P
V+
B OUTPUT
B-INPUT
B+INPUT
V-
A+INPUT
A-INPUT
A OUTPUT
-+
B
-
+
A
8
7
6
5
4
3
2
1
IC30
NJM2068
R318
820
R317
820
JK2
0
C327
0.1uF
R320
4.7
D306
1SS355T
D305
1SS355T
C328
0.1uF
R375
4.7
D328
1SS355T
D327
1SS355T
C326
0.1uF
R381
4.7
D326
1SS355T
D325
1SS355T
R348
220
C341
470P
R
349
100K
C340
470P
R347
220
R
351
100K
R358
220
C343
470P
R
356
100K
C342
470P
R355
220
R
357
100K
R354
220
C345
470P
R
359
100K
C344
470P
R353
220
R
360
100K
R352
220
C347
470P
R
371
100K
C346
470P
R350
220
R
372
100K
R346
220
C349
470P
R
373
100K
C348
470P
R344
220
R
374
100K
C351
220P
R
379
100K
C350
220P
R
380
100K
R369
3.9K
R370
3.9K
6
5
4
3
2
1
IC
60
H
VTK
TC
81
2TB
C353
50V/10uF
C352
50V/10uF
R382
560
R383
560
R377
220
R378
220
R387
100
R388
100
C414
NC
C406
NC
R
486
3.
9K
R484
560
R
473
47K
R485
560
6
5
4
3
2
1
IC
40
H
VTK
TC
81
2TB
R
487
3.
9K
C379
10/50V
C378
10/50V
R467
1K
R468
1K
C390
0.
1uF
C391
0.
1uF
JK4
0
J634
R252
27K
R253
27K
V+
B OUTPUT
B-INPUT
B+INPUT
V-
A+INPUT
A-INPUT
A OUTPUT
-
+
B
-+
A
8
7
6
5
4
3
2
1
IC25
2068MDTE1
C254
10/50V
R254
33K
C253
100P
R255
15K
C257
0.22(M)
R257
15K
R258
15K
C258
0.047u
R251
100
R256
100
C252
0.1uF
C255
0.1uF
C259
10/50V
JK10
9
8
7
6
5
4
3
2
1
BN20
9
8
7
6
5
4
3
2
1
CN20
32
1
CN10
G903
C418
OPEN
C417
OPEN
C415
100/50V
C416
100/50V
D605
ZJ7.5VBT
D606
ZJ7.5VBT
R736
150(1W)
R737
150(1W)
J406
J407
R630
100K
R631
100K
C370
47uF/50V
C371
47uF/50V
R632
100K
R633
100K
C372
47uF/50V
C373
47uF/50V
R634
100K
R635
100K
C374
47uF/50V
C375
47uF/50V
R636
100K
R637
100K
C376
47uF/50V
C377
47uF/50V
R638
100K
R639
100K
C392
47uF/50V
C393
47uF/50V
R640
0
R641
0
R645
110
R646
110
R647
110
C396
100uF/16V
C397
0.1uF
C394
100uF/16V
C395
0.1uF
R644
2.2
R643
NM
C398
10uF/50V
C449
100uF/25V
C451
47uF/50V
C454
100uF/25V
C456
0.1uF
C421 100uF/25V
C457
0.1uF
R455
1.0
R456
1.0
R452
100
R451
100
R657
100
C453
10uF/50V
C452
47uF/50V
C450
100uF/25V
C446
0.1uF
C448
0.1uF
C447
0.1uF
C445
0.1uF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
IC34
CVINJW1194
C431
0.1uF
C430
3300P
C432
4.7uF/50V
R583
4.7K
C426
0.1uF
C425
3300P
C427
4.7uF/50V
R457
4.7K
C428
47uF/50V
C422
47uF/50V
C473
100P
R459
100K
R460
100K
C472
100P
R659
0
R660
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
IC10
CVINJW1112V
C490
220P
R488
0
JK50
C470
100P
C471
100P
3
2
1
BN30
J942
C399
100P
C400
100P
C403
100P
C441
100P
C442
100P
C443
100P
C444
0.1uF
C455
0.1uF
C500 100P
C700 100P
10/50V
10/50V
J500
C3A206
J501
C3A206
+3V3
TUNER_CLK
TUNER_SDA1
FR_IN
FUNC_MUTE
FUNC_MUTE
+12V
-12V
-12V
+12V
AGND
AGND
AGND
AGND
AGND
AGND
REC_MUTE
ADC_R
ADC_L
FUNC_MUTE
HP_L
HP_R
-12V
+12V
TUNER_CLK
TUNER_L
TUNER_R
+3V3
TUNER_SDA
TUNER_SCL
TUNER_L
TUNER_R
NJW_DATA
NJW1112_LATCH
NJW_CLK
+7.5V
-7.5V
NJW1194_LATCH
NJW_CLK
NJW_DATA
-7.5V
+7.5V
-7.5V
+7.5V
NJW2753_L
NJW2753_R
CHGND
-12V
+12V
FL_IN
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
+3V3
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
TUNER_MUTE
TUNER_SDA1
AGND
AGND
AGND
AGND
CHGND
Harman Kardon
HK 3700 Service Manual
Page 106 of 109
HK37_MAIN_LPP_CUP12609Z-A_131029.sch-3 - Wed Nov 06 11:08:16 2013
7
6
5
4
3
2
1
REVISION
SCHEMATIC DIAGRAM
SHEET
MODEL
DRAWING NO
DESIGN
CHECK
APPROVE
A
D
C
6
A
B
C
D
5
4
3
2
1
B
(JACK)
2
27
2
2
MULTI. LAB
ANAM
ISSUE
COAX1
OPT1
OPT2
TRIGGER
IR_IN
*IR IN/OUT & TRIGGER
* OPT & COAX ( Only HK3770 )
COAX1
OPT1
OPT2
IR_OUT
HK3770 ONLY
+12V
TRIGGER OUT
+3V3
REMOTE OUT
ST+5V
DGND
COAXIAL IN
DGND
TRIGGER OUT
+3V3
REMOTE OUT
ST+5V
DGND
COAXIAL IN
DGND
DGND
OPTICAL 1 IN
OPTICAL 2 IN
HK3700/3770
LPP
20013.08.28
C601
180P
R600
75
RX
VCC
GND
OUT
32
1
JK62
RX
VCC
GND
OUT
32
1
JK61
R601
10K
R602
10K
Q604
RT1P144C
R620
47K
R618
220
R621
10K
Q602
RT1P141C
C619
0.01uF
R617
1K
R615
4.7
R614
4.7
Q601
KTA1266YT
D362
1SS355
D361
1SS355
Q603
RT1N141C
R363
10K
R613
10K
C618 0.01uF
R611
1.0
R610
1.0
D363
1SS355
4
3
21
IC601
KP1010B
R616
0
JK60
C602
0.1uF/50V
C603
0.1uF/50V
1
2
3
JK63
1
2
3
JK64
C600
0.1uF/50V
C605
0.1uF/50V
C610
0.1uF/50V
C615
0.1uF/50V
D600
CVD1SS355T
D601
CVD1SS355T
1
2
3
JK65
D365
1SS355
R619
47
11
10
9
8
7
6
5
4
3
2
1
CN60
C604
100/25V
+3V3
ST+5V
REMOTE_OUT
TRIGGER
+3V3
REMOTE_OUT
TRIGGER
+12V1
ST+5V
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+12V1
DGND
DGND
DGND
+3V3
DGND
DGND
Harman Kardon
HK 3700 Service Manual
Page 107 of 109
Harman Kardon
HK 3700 Service Manual
Page 108 of 109
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