Kenwood DMC-G7R Service Manual page 21

A B
PLAYBACK SIGNAL
1
RECORD SIGNAL
2
R109
27K
R111
27K
R119
47K
R120
47K
3
TP139
R127
390
R129
2 1K
+2.5V
Q101
2SA1314C
1
C163
1 3
Q102
DTA114TE
TP105
TP123
26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CNS101
4
FLEXIBLE PWB
26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
I/V
OPTICAL PICK UP UNIT
SW904
DISC IN
SW903
DISC PROGRAM
TP901 1
SW902
TP902
DISC MEDIA
TP903
SW901
5 TP904
LEAD IN
TP905
TP906
TP907
TP908
TP909
TP910
TP911
R905
10K
13
C908
0.1
1
C909
0.1
24 23 22 21 20 19 18 17 16 15 14 13
4
C911
0.1
–
1 2 3 4 5 6 7 8 9
10 11 12 M
+
6 R902
R901
M903
56K 330
FEAD MOTOR
SL+
M
SL–
6 5 4
M902
LIFT MOTOR
1 2 3
1 2 3 4
FLEXIBLE PWB
C902 C903
0.022 0.047
4 3 2 1
U
1
V
M M1
2 4
SPIN
MD-MS200W
7
MOTOR
3
MAIN
W
NOTE ON SCHEMATIC DIAGRAM can be found on page 17.
C D
C129
C132
6P R141 10/6.3
C150
R144
R143 2.2K C131 2P
220
R142
10K 1 C133
C127
15K
10P
0.1 C126
0.0068
72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55
C125
1 RF1 EFMI/ 54
0.0068
2 RF2 EFMI
53
TP131
C102 3 VREFO RFBP1 52
C101
1 0.22
4 VREFC 72 71 56 55
RFBP2 51
R151
5 RFADD ADI2 50
C103
10K
0.47
6 TCGI ADI2/ 49
C104
R101
C105
3P
100K 7 TCGO
0.0022 ADAGC 48
IC101
C122
R106 8 TBAL ADO2 47 1
R105 IR3R50
TP132
12K C121
4.7K
9 EOUT
ADI1 46 1
R107 C106
C120
120K 12P 10 EIN ADO1 45 C119
330P
0.0033
11 FIN HPFO 44
R112 C107 TP133
CK104
12P
120K 12 FOUT LPFI 43
R116 TP134
R113 C118
13 BOUT LPFO 42
18K 12K
330P
CK103
WBO
R117 C108 C109 14 BIN 41
220K 8P 8P
20 35 36
15 AIN 119 RFENV 40
TP135
16
AOUT TCRSP 39
R121
17 FBAL TCRSO 38 C160
220K
TP136 390P
R122 18 LVV TCRSG/ 37
R124 R134
18K
180K 10K
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
R126
R133
R125 470
150K
180K
Q103
DTC144TE C115
1 220P
R145 TP141
2 3 3.3M
C116
100P
C165
0.033
IC402
S29294A
1
NC
TP104 PRTCT
R411
TP106 2 VCC GND
100K TP434
TP103
3 CS DO
TP101
TP435
4 DI
SK
R414
R413
1K
1K
2.8V
IC406
RTC4543B
TP471
1 NC NC 18
2 NC NC 17
3 NC NC 16
R474
4 NC NC
47K 15
BAT401
5 FOE VDD 14
6 WR NC 13
TP472
TP474
7
FSEL CLK 12
8 CE DATA
11
R472
9 GND FOUT 10
2.2K
TP601 TP473
1
TP602
2
TP603
3
TP604
4
TP605
5
TP606
6
TP607
7
TP608
8
TP609
9
10
11
12
13
C881
0.1
6 NC G 5
O2
7 I2 4
8 VS 3
VCC
L881
9 O1 I1 2
0.47µH
NC
10 G 1
C882
IC851
1 2.5V
LB1638M L882 T+
0.47µH T–
F–
F+
IC601
BH6512FS
X176K C613
CLK
0.01 17 PSB 16
FODRR
18 VG IN3R 15
FODRF
19 IN1R IN3F 14
SPDRF
20 IN1F PGND3 13
OUT1F
21 OUT3F 12
L607 L605
22 VM1 VM3 11
100µH
47µH
23 OUT1R OUT3R 10
L604
L606
PGND21 PGND34 9
47µH 24
TP615 100µH
SW401
OUT2R OUT4R 8
25
L603 L602 EJECT
26 VM2 VM4 7
47µH 100µH
27 OUT2F OUT4F 6
SLDRF L601
IN2F PGND4 5
28
SLDRR TRDRF 100µH
29 IN2R IN4F 4 SW402
TRDRR
C603 HOLD
30 VDD IN4R 3
1
C1M
31 C2P 2 C605
C2M
C1P 1 1
32
C614
C615
0.01
0.01
2.5V
TP600 MICOM 2.8V C600 L600
47µH
3.3
L612
C612
0.47µH
0.1
E F
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
1 LKMADX
2 VDD1
3 DGND
WBI
4
5 TCRS
99 98 97
100
6 AUX
TE
7
8 FE
9 TOTAL
10 AGAIN
AGAINS
11
IC201
AVCC
12
13 AGND LR37646
14 BGAINS
C204
BGAIN
15
0.1
16 FGAIN
17 FGAINS
EGAINS
18
EGAIN
19
20 TBAL
26 27 28
21 TCGAIN
VREF
22
R140
EFMI
23
47K
24 ASYX
ASY
25
CK102 R139
47K 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
CK101
TP144
TP143
C100
1 CK105
TP100
L100
0.47µH
XRT
R161
1.2K PBGAIN
IC404
8
R404
7SH00FU
TP433
TP432 100K
7
1 VCC 5
6 2
3 4
R405 GND
5
100K D401
TP436
DA221
R406
R428
100K
R415 15K DA221
1K
3.3V
R471
470
25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
26 HOLD RKEY 100
XRT
27 XRT MODE0 99
PBGAIN
PBGAIN
28 BATEXT 98
SYSD0
29 SYSD0 BATINN 97
R473
SYSD1
12K 30 SYSD1 25 24 23 AVREF0 96 R448
3 2 1
SYSD2
SYSD2 39K
31 AVDD 95
SYSD3
SYSD3 NC
32 94
SYSD4
33 SYSD4 NC 93
SYSD5 FOK
34 SYSD5 FOK 92
SYSD6
SENSE
SYSD6
35 SENSE 91
SYSD7 DINT
IC401
36 SYSD7 90
DINT
SYWRX CK489
37 SYWRX IX2596AF SPIN 89
SYRDX CIN
SYRDX
38 CIN 88
SYCS
SYCS
39 RESET 87
TP439
40 SWPUP XT1 86
R402
41 TEST0 XT2 85
1K
TEST1
42 VDD 84
R438
VSS
43 X1 83
10K
44 P56 X2 82
R444
45 MODE1 IC 81
1K D402
TP440 51 52 53 73 74 75 AUSCLK
DISCID
46 AUSCLK 80 DAN222
R443
AUDATA
47 DISCPRO AUDATA 79
1K R401
RCAULT
48 INNSW RCAULT 78
330K
R442 PBAULT
EJECT
49 PBAULT 77
1K
PBMUTE
DISCIN C401
50 PBMUTE 76
0.047
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
TP465
R435
R441 33K
1K
R445
10K
C408
0.01
TP442
TP441
R423
10K R433
100K
R424
100K
MICOM 2.8V
The numbers 1 to ( are waveform numbers shown in page 17.
G H
C206
0.18
TP211
TP212
TP213
TP214
TP215
EX7
75
EX6 74
EX5 73
EX4 72
EX3
71
78 77 76
EMPH1 70
EX1 69
ACRCER TP204
68
TP200
DOUT 67
TP210 C211
DIN 66
5P
X1O 65
XL201
X1I
64
33.868MHz
DGND 63
C212
VDD1 62
TP209 5P
TP206
X700KO 61
EFMO 60
SPDRR 59
SPDRF
SPDRF 58
SLDRR
SLDRR
57
SLDRF
SLDRF 56
48 49 50 TRDRR
TRDRR 55
TRDRF
TRDRF
54
FODRR
FODRR 53
FODRF
FODRF 52
X176K
X176KO 51
43 44 45 46 47 48 49 50
L201
TP201
0.47µH
C201
TP203
1 RAD0
1 I/O1
GND 20
TP205
RAD1 RAD3
2 I/O2 I/O4 19
RAWEX RAD2
3 WE I/O3 18
RARASX RACASX
RAS
4 CAS 17
RAA9 RAOEX
5 A9 OE
16
RAA0 RAA8
6 A8 15
A0
RAA7
RAA1
7 A1 A7 14
RAA2 RAA6
A6
8 A2 13
RAA3 RAA5
9 A5
A3 12
RAA4
10 VCC A4 11
TP202
IC202
IX2567AF
R416
12K
4 3 2 1
5 6 7 8
C405
10P
C407
1
L721
MD-MS200W:39K C730
0.47µH
MD-MS200H:68K 10/6.3
MD-MS200:150K
3 2 1
4 5 TP808
AUDIO 3.1V
C728
C866
0.1
L862 1
47
L863
C863
4.7
1 1
D861
C865 SB10015C
IC405
1
61AC2102
1
3
2
MICOM 2.8V
62FP3302
1 VCC 5
2
X700K
3 GND 4
IC802
TC7S00FU
R813
Q804
2SA1745
C811
0.33
R812 LASER 2.5V
10K
C827
220/4
I J
HEAD DRIVE PWB-B2
MAGNETIC
HEAD
2
(11)
1
7 6 5 4 3 2 1
Q351
2SK2909
8 9 10 11 12 13 14
C351
1 1 150P
2 2 (CH)
Q354
3 3
2SK2911
4 4
5 5
6 6
Q351~Q354:HEAD DRIVER
R455 R456 R457 R458
5.6K 8.2K 18K 56K
C509
R501
1
2.2K
R502
2.2K
R720
C510
10K
1
R719
C505
10K
0.1
14 13 12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6
RI
DGND VEE
15 16 17 18 19 20 21 22 23 24 25 26 27 28 13 14 15 16 17 18 19
C508
1
TP500
R500
4.7 C762
1
C761
1
(RF GND)
R754
330K
L500
4.7µH
12 11 10 9 8
DGND VEE
13 14 15 16 17
C754
1
C753
1
IC841
IR3M09N L801 C804 R803
C843
1 1 100K
R849 OSCIN 100P
1
30K VREF 12
OSC
C844
OUT
100P
DB
C850 2 11
R841
0.001 R846
100K
10K
3
10
EAIN+ ROSC
R844
EAIN– PWM 15K Q802
4 STATE 9
DTC144EE
C842
R843
CK802
C841 27P 3 2
100K EAOUT
5 8
R848 VCC
C848
270K
1
OUT 1
6 7
GND
IC803
R847 C846 L841 3 2
3 CPS05
390K 1 4.7
1
SurgeAbsorber
C867 D841 C849
2
C847 R851
220/4 SB10015C 0.01
3.3 100K
L842
IC861
10
62FP2802
D842
Q841
1SS373
C861
LML2402
1
IC806
IC805
C812
C809
1 62FP2802
0.18
10/6.3
C813
3 1
1 C808
3
2
MICOM 2.8V 0.18
2
IC821
PCNT1 TP807 IR3M09N C823
IC804
100P
OSCIN
R829 R821 CPS07
R810 1 VREF 12
470K OSC
470K C824
200K SurgeAbsorber
OUT
R822 100P
DB
2 11
680K
R811
180K 3
10
EAIN+ ROSC
R826 R823 R824
10K 3.3M PWM 15K
EAIN–
4 STATE 9
EAOUT VCC
5 8
R828 C822
330K
2P
L822 OUT
6 7
GND
4.7µH
R827 IC822
470K
LM6702
C826 1 6
2.5V
3.3
2 5
3 4