Sony HCD-GTX66 / HCD-GTX77 / HCD-GTX77BP / MHC-GTX66 / MHC-GTX77 / MHC-GTX77BP Service Manual ▷ View online
45
45
HCD-GTX66/GTX77/GTX77BP
HCD-GTX66/GTX77/GTX77BP
6-13. SCHEMATIC DIAGRAM — MAIN SECTION (2/4) — • Refer to page 62 for IC Block Diagrams.
(Page 51)
(Page 46)
(Page 47)
(Page 41)
(Page 53)
(Page 44)
(Page 44)
12
K
3
4
A
6
D
9
J
F
E
2
C
5
1
G
I
13
8
B
15
7
14
11
10
H
16
1
BOARD
( 1 / 4 )
MAIN
2
BOARD
( 1 / 4 )
( 1 / 4 )
MAIN
USB BOARD
D
CN907
BD91 BOARD
A
CN202
EFFECTOR BOARD
E
CN1502
5
MAIN BOARD (3/4)
6
MAIN BOARD (4/4)
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
3 . 2
3 . 2
3 . 2
0
0
0
0
0
0
0
0
3 . 2
3 . 2
0
0 . 1
0
0 . 1
0
0
3 . 2
0
0
0
0
0
0 . 1
3 . 2
0 . 1
3 . 3
3 . 2
0 . 1
3 . 3
3 . 2
3 . 2
0
0
0
0
0
0
0
0
0 . 6
0 . 6
3 . 2
3 . 2
( 0 )
( 0 )
0
0 ( 9 )
9
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5 0 ( 9 )
0
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
9
4 . 4
4 . 5
4 . 4
4 . 5
4 . 4
0
4 . 5
4 . 4
4 . 5
4 . 5
4 . 5
0
3 . 2
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
0
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 5
4 . 2
9
0
4 . 5
0
0
4 . 5
4 . 5
4 . 1
0
4 . 5
0
4 . 1
3 . 2
0
4 . 5
4 . 5
3 . 2
0
(GTX66)
(GTX77/GTX77BP)
(GTX77/GTX77BP)
2
3
2
1
3
2
1
(GTX66)
1
(GTX77/GTX77BP)
(GTX66)
3
(GTX77/GTX77BP)
G
L1
R1
L2
R2
J101
220p
C263
220p
C260
220p
C261
220p
C262
10V
1000
C535
0.1
C520
42
41
37
38
39
40
1
2
3
4
5
34
35
36
6
7
8
9
30
31
32
33
10
11
12
13
29
28
27
14
15
16
26
25
17
18
24
23
22
19
20
21
M61529FP-D60G
IC101
REF
MIC
INA1
INB1
INC1
IND1
RECA1/Nex1
RECB1
TMI1
TMO1
TCA1
TCB1
TCC1
TOUT1
VILIN1
BB_A1
BB_B1
OUT1
SAOUT
VCC
DA
T
A
CLOCK
GND
SWOUT
OUT2
BB_B2
BB_A2
VOLIN2
TOUT2
TCC2
TCB2
TCA2
TMO2
TMI2
RECB2
RECA2/INex2
IND2
INC2
INB2
IINA2
SUR2/DPL2
SUR1/DPL1
10k
R122
10k
R156
10k
R155
50V
10
C161
C160
10k
R152
50V
1
C159
0.022
C157
0.022
C156
2.2k
R151
0.068
C140
50V
10
C153
50V
10
C154
50V
10
C155
10k
R140
1k
R154
100
R166
220
R157
R257
1.8k
R250
1.8k
2SD2114KT146
Q251
2SD2114KT146
Q250
10V
100
C100
50V
10
C150
50V
10
C103
50V
10
C104
50V
10
C105
100
R116
220
R107
2.2k
R101
100
R150
0.1
C115
50V
10
C111
0.22
C112
C113
C110
10k
R121
100
R119
10k
R106
R103
47k
R105
50V
1
C109
0
FB150
0.022
C106
0.022
C107
10k
R102
50V
10
C130
2.2k
R130
2.2k
R131
100k
R133
50V
0.47
C131
0.1
C536
10EDB40-TB3
D561
10EDB40-TB3
D562
50V
C281
10
50V
C280
10
JR129
0
10V
220
C116
10V
470
C585
0.1
C586
4.7k
R602
4.7k
R603
10V
470
C587
0.1
C588
0.1
C534
50V
10
C596
50V
10
C597
50V
10
C600
50V
10
C601
1M
R132
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74VHC157FT(EKJ)
IC568
SELECT
1A
1B
1Y
2A
2B
2Y
GND
3Y
3B
3A
4Y
4B
4A
/ST
VCC
JW563
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
27P
CN5051
A
VDD (3.3V)
R-OUT
DACGND
L-OUT
AGND
/RST
BUS0
BUS1
BUS2
BUS3
BUCK
/CCE
REQ
SBSY
DGND
D-OUT
DVDD (3.3V)
VM(7V)
MGND
M-MUTE
LRCKIN
BCKIN
AIN
ST_REQ
GA
TE
CLK
D
ATA
0.1
C603
0.1
C604
0.1
C605
10k
R621
10k
R620
10k
R622
10k
R623
10k
R624
10k
R625
10k
R626
10k
R627
Q602
SELECT SWITCH
RT1N141C-TP-1
10k
R628
0.1
C609
33k
R632
33k
R630
1k
R629
1k
R631
10k
R640
10k
R641
10k
R642
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BU4052BCF-E2
IC563
Y0
Y2
Y
Y3
Y1
INH
VEE
VSS
A
B
X3
X0
X
X1
X2
VDD
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BU4052BCF-E2
IC564
Y0
Y2
Y
Y3
Y1
INH
VEE
VSS
B
A
X3
X0
X
X1
X2
VDD
R255
10k
R251
10k
R153
10k
R656
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21P
CN5053
D
ATA
CLOCK
D0
D1
USB-S0
USB-S1
BCK
A-IN
GA
TE
REQ
ST
-REQ
USB-RST
LRCK
DVSS
DVSS 3.3V
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74HC4066AFT(EL)
IC567
1I/O
1O/I
2O/I
2I/O
2C
3C
GND
3I/O
3O/I
4O/I
4I/O
4C
3C
VCC
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74HC4066AFT(EL)
IC566
1I/O
1O/I
2O/I
2I/O
2C
3C
GND
3I/O
3O/I
4O/I
4I/O
4C
1C
VCC
JW580
JW272
0
FB507
0
FB509
0
FB512
6.8k
R613
6.8k
R612
820k
R605
820k
R606
820k
R604
820k
R608
820k
R609
820k
R607
1k
R667
1k
R668
S
2SK3378ENTL
Q608
S
2SK3378ENTL
Q610
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
17P
CN512
+9V
DGND
CTRL1
SELECTOR
AGND
INPUT L
AGND
INPUT R
AGND
OUTPUT R
AGND
OUTPUT L
AGND
S0
S1
S2
CTRL3
JW266
1k
R104
C108
0.022
C158
0.022
C615
0.01
0.01
C625
0.01
0.01
Q101
2SC2712-YG-TE85L
RT1N141C-TP-1
Q591
RT1N141C-TP-1
Q597
RT1N141C-TP-1
Q596
RT1N141C-TP-1
Q598
Q151
2SC2712-YG-TE85L
JW576
470k
R616
470k
R617
470k
R614
470k
R615
470k
R669
470k
R670
100k
R643
100k
R644
100k
R649
100k
R648
100k
R650
100k
R654
3.3k
R267
3.3k
R266
3.3k
R265
3.3k
R264
2.7k
R270
2.7k
R271
1.8k
R269
1.8k
R268
100k
R679
50V
3.3
C102
50V
3.3
C152
50V
3.3
C251
50V
3.3
C250
50V
4.7
C595
50V
4.7
C594
50V
4.7
C590
50V
4.7
C589
47k
R252
47k
R256
0.01
C264
JW260
C5
C4
C3
C2
C1
A15
A14
A12
A11
A10
A9
A8
A7
A6
A5
A2
A1
A3
A4
A13
A17
F9
F8
F7
F6
F5
F4
F3
F2
F1
F12
0.22
C163
C162
LRCKIN
AIN
D
ATA
CLOCK
GA
TE
ST_REQ
D
ATA
CLOCK
AIN
GA
TE
ST_REQ
BCKIN
BCKIN
6
24
23
19
1
78
25
26
27
35
36
38
31
34
81
75
LRCKIN
77
18
7
28
82
22
21
39
5
3
2
IC563
SIGNAL SELECTER
IC564
SIGNAL SELECTER
IC101
INPUT SELECT SWITCH,
IC568
SIGNAL SELECTER
IC567
SIGNAL SELECTER
IC566
SIGNAL SELECTER
MAIN BOARD (2/4)
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
Q250,251
MUTE
Q596,597
SELECT SWITCH
Q598
EFFECTOR SELECT SWITCH
Q151
DBFB SWITCH
Q101
DBFB SWITCH
L
R
L
R
AUDIO
IN
VIDEO
IN
AUDIO
VIDEO
J101
C113,162
0.27
0.33
0.27
0.33
C110,160
0.01
0.015
0.01
0.015
R103,153
560
620
560
620
Ver. 1.1
46
46
HCD-GTX66/GTX77/GTX77BP
HCD-GTX66/GTX77/GTX77BP
6-14. SCHEMATIC DIAGRAM — MAIN SECTION (3/4) — • Refer to page 64 for IC Block Diagrams.
(Page 44)
(Page 45)
(Page 47)
1
D
2
H
F
E
3
10
4
9
A
8
7
5
C
B
G
6
MAIN BOARD (1/4)
3
5
MAIN BOARD (2/4)
(4/4)
BOARD
MAIN
7
IC B/D
0.6
0
4.4
0
0
0
0.6
1.3
8.4
9
0[3.3]
3.1<0>
3.3
0
3.2
0.6
2.9
2.9
4.5
4.5
4.5
0
4.4
0.6
2.9
2.9
4.5
4.5
4.5
0
4.5
-0.9<-0.2>[0.7]
-0.9<-0.2>[0.7]
0
0
0.7[-8.7]
0.7[-8.7]
0
0
0
0.7[-8.6]
0.7[-8.6]
0
-0.9
<-0.2>
[8.9]
9
9[0]
9[0]
0[3.2]
4.8[0]
0[3.2]
4.8[0]
0[9]
9
8.2[9]
8.9
[-8.7]
9
0.1[8.9]
0[3.2]
9[0]
9[6.8]
0
[0.2]
[0.2]
0.1
[-0.2]
[-0.2]
0.1
[8.2]
0.01
C370
4700p
C371
10V
47
C374
0.01
C377
6800p
C379
1000p
C372
1000p
C373
3.3k
R370
4.7k
R371
4.7k
R374
47
R377
10k
R378
10
R379
2SD596-T1DV4
Q370
33
R386
47k
R395
4.7k
R394
RT1P137P-TP-1
Q378
100uH
L372
R373
0
6.8k
R380
10k
R391
2.2k
R397
R376
0
6.8k
R388
10k
R392
2.2k
R393
120p
C378
330p
C383
330p
C384
120p
C380
27mH
L370
27mH
L371
2SA1162-YG-TE85L
Q377
2.2k
R381
2.2k
R382
2.2k
R383
2.2k
R384
2.2k
R385
2.2k
R387
10k
R399
10k
R390
10k
R396
680p
C375
680p
C376
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
33
34
35
36
37
38
39
40
HA12237F
IC301
PB-NF2
(R)
(R)
PB-EQ(R)
EQOUT(R)
T
A1(R)
PB-OUT(R)
NC
REC IN(R)
ALC(R)
NC
REC OUT(R)
ALC ON/OFF
HIGH/NORMAL
A/B
MUTE ON/OFF
REC MUTE OFF/ON
VCC
ALC DET 1M
GND
I REF
TEST
REC OUT(L)
NC
ALC(L)
REC IN(L)
NC
PB OUT(L)
T
A1(L)
EQOUT(L)
PB-EQ(L)
PB-NF2(L)
PB-NF1(L)
A IN(L)
RIP
B IN(L)
REC-RETN
GND
B IN(R)
NC
A IN(R)
PB-NF1(R)
16V
47
C359
50V
10
C310
16V
47
C309
0.012
C301
0.1
C303
2200p
C314
50V
10
C304
50V
1
C305
50V
10
C311
50V
2.2
C306
3.3k
R301
R302
3.3k
10k
R303
2.2k
R319
2.2k
R304
10k
R337
22k
R339
47k
R305
1
2
3
4
5
6
7
8
8P
CN507
GND
E-HOT
R-REC
GND
R-PB
L-REC
GND
L-PB
3P
CN503
R-PB
GND
L-PB
1200p
C381
1200p
C382
TP325
TP318
0.012
C351
0.1
C353
10
C354
50V
50V
1
1
C355
50V
2.2
C356
2200p
C364
3.3k
R351
R352
3.3k
10k
R353
2.2k
R369
10k
R357
2.2k
R354
47k
R355
TP309
TP311
22k
R389
50V
10
C361
TP338
TP320
100
R312
0
R311
100
R310
4.7k
R309
100
R308
1M
R307
22k
R306
10V
470
C308
50V
10
C307
50V
10
C312
1
1
2
2
3
3
3P
CN510
L
GND
R
6
2
1
3
5
4
T301
TRANSFORMER
BIAS OSCILLATION
0
JR114
0.022
C385
0.022
C386
JW584
10k
R356
10k
R336
18k
R375
18k
R372
Q374
2SD2704K-T146
Q373
2SD2704K-T146
Q372
2SD2704K-T146
Q371
2SD2704K-T146
Q375
2SD2704K-T146
Q376
2SD2704K-T146
RT1N141C-TP-1
Q379
RT1N141C-TP-1
Q381
RT1N141C-TP-1
Q383
RT1P141C-TP-1
Q382
RT1N141C-TP-1
Q380
C1
C2
C3
C4
C5
D1
D3
B1
B2
60
59
55
56
57
58
MAIN BOARD (3/4)
DECK A/B SELECT,
IC301
HP901
PB HEAD
(DECK A)
PB
(L-CH)
PB
(R-CH)
HRPE901
REC/PB/ERASE
HEAD
(DECK B)
REC/PB
(L-CH)
REC/PB
(R-CH)
ERASE
PB/REC EQUALIZER AMP
Q371-376
MUIE
Q377,379,381
MUTE CONTROL SWITCH
Q382,383
TC PB MUTE CONTROL SWITCH
Q370
BIAS OSC
Q378,380
REC BIAS CONTROL SWITCH
TEST
PIN
47
47
HCD-GTX66/GTX77/GTX77BP
HCD-GTX66/GTX77/GTX77BP
6-15. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 64 for IC Block Diagrams.
(Page 55)
(Page 44)
(Page 59)
(Page 61)
(Page 45)
(Page 46)
(Page 59)
(Page 51)
11
4
12
6
H
A
8
F
10
3
E
G
C
D
13
2
B
1
5
7
I
9
CN600
S
POWER
BOARD
CN906
F
PANEL
BOARD
CN1214
K
TRANS
BOARD
BOARD
( 3 / 4 )
7
MAIN
BOARD
MAIN BOARD (1/4)
4
6
MAIN BOARD (2/4)
BOARD
H
POWER
CN601
BOARD
C
USB
CN901
IC B/D
IC B/D
IC B/D
1 6 . 5
1 6 . 5
9 . 1
9 . 1
1 6 . 5
0
3 . 4
1 6 . 5
0
3 . 4
0 . 4
16.5
9
0
9
5.2
0.2
16.5
1 6 . 5
0
3 . 2
- 0 . 9
1 3 . 3
0 . 7
0
7
0 . 7
0 . 1
1 3 . 3
1 6 . 5
1 2 . 6
0
- 6 . 7
- 6 . 7
0
7 . 6
4
4 . 6
E2,E51 MODEL
‘
‘
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
17P
CN508
GC RESET
11C-CLK
11C-DATA
SIRCS
KEY INT DISPLAY
KEY INT POWER
POWER LED
GC DGND
LED+9V
LED GND
NO USE
EVER +4V
VF(2)
VF(1)
VG
SPEANE GND
SPEANA
0
R111
2SC5053T100Q
Q325
680
R325
2SD2114KT146
Q180
2SD2114KT146
Q181
47k
R182
47k
R183
1k
R184
1k
R185
50V
4.7
C180
50V
4.7
C181
0.1
C580
2SD2525(TP)
Q585
1k
R575
1k
R578
HZU2.0BTRF
D584
1
2
3
4
5
6
7
8
8P
CN502
L-IN
PREGND
R-IN
DC DETECT
OVERLOAD DETECT
THERMAL VACS
STK MUTE
HP MUTE
1.8k
R553
56k
R551
25V
C553
220
50V
2.2
C552
16V
100
C550
0.1
C551
1
2
3
456
RT8H015C-T112-1
IC550
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN501
FRONT RELAY
LINK RELAY
AC CUT DETECT
A+9V
FAN DET
FR RY PROTECT
DBFB FB
POWER-GND
POWER-GND
DGND
UNREG
-B
-B
25V
4700
C566
0.01
C561
0.01
C560
10V
470
C563
0.1
C564
16V
100
C562
0.1
C565
JW566
VCC
GND
OUT
IC560
BA09T
VCC
GND
OUT
IC561
BA09T
TP947
JW567
0
R112
R326
1k
0.1
C581
5P
J103
L+R
D+4V
IIC DATA
IIC CLK
DGND
1
1
2
2
3
3P
CN580
FAN +
FAN -
1
3
4
5
6
7
7P
NO503
DGND
-VG
VF(1)
VF(2)
AC3
AC3
CLP01 CLP02 CLP03 CLP04 CLP05 CLP06 CLP07
1
2
3
4
IC565
PQ05RD21J00H
VIN
VOUT
GND
VC
10k
R610
10k
R611
0.1
C592
2P
NO504
USB +5V
GND
D595
MC2837
10k
R577
1k
R181
1k
R180
MA111-TX
D101
MA111-TX
D102
MA111-TX
D550
D591
RB501V
-40TE-17
UDZW
-TE17-6.8B
D583
UDZW
-TE17-4.7B
D325
D540
RECT
D5SBA60
10k
R187
10k
R186
UDZW
-TE17-6.2B
D581
C591
10V
470
C574
100
16V
0.1
C573
JL001
JL002
JL003
JL004
1
2
3
4
IC570
PQ09RD21J00H
RT1N430C-TP-1
Q550
D551
MA111-TX
RT1N141C-TP-1
Q603
RT1N141C-TP-1
Q590
Q580
2SC2712-YG-TE85L
Q581
2SC2712-YG-TE85L
RT1N430C-TP-1
Q584
Q582
2SC2712-YG-TE85L
JW522
JW572
2.2k
R594
2.2k
R591
10k
R597
10k
R596
JW577
JW585
D3
D1
E10
E9
E8
E7
E6
E5
E4
E3
E2
E1
F1
F2
F3
F4
F6
F7
F8
F9
F6
F12
EPT560
(CHASSIS)
EPT561
(CHASSIS)
70
71
40
33
88
69
68
67
94
37
29
30
4
73
74
3301
TC BIAS GND
GC DGND
M GND
A GND
LIGHTING GND
CENTER GND
POWER GND
RPOTECTOR GND
FAN GND
REGULATOR GND
SW DGND
LED GND
DGND
MC DGND
USB GND
AA
SUBTRANS GND
SPEANA GND
MAIN BOARD (4/4)
+9V REG
IC561
IC560
+9V REG
IC570
USB+9V REG
IC565
USB+5V REG
PROTECTOR
IC550
VIN
VOUT
GND
VC
DC FAN
M891
FAN +
Q590,603
USB POWER CONTROL SWITCH
Q584
FAN CONTROL SWITCH
Q580,582
FAN DETECT
Q581
FAN HI SPEED CONTROL SWITCH
Q585
FAN DRIVE
MUTE
Q180,181
D+4V SWITCH
Q325
OVER VOLTAGE
Q550
DETECT SWITCH
SYNC OUT
D-LIGHT
J103
1
2
3
1
2
3
Ver. 1.1
48
48
HCD-GTX66/GTX77/GTX77BP
HCD-GTX66/GTX77/GTX77BP
6-16. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 37 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
3
4 5
1
4
1
1
10
31
30
50
51
80 81
100
1
2
26
27
20
21
1
2
1
1
3
4
1
7
3
1
2
1
13
1
8
13
1
9
8
2
1
21
31
20
40
30
11
10
10
1
8
1
2
16
17
1
2
10
11
B
E
1
3
1
2
12
13
2
1
16
17
1
3
1
2
3
4
5
1 3
4
6
1
8
9
16
B
E
42
1
21
22
R400
JW370
JW564
JW758
R401
JW371
JW565
JW759
JW566
R402
JW372
JW567
R403
JW373
JW568
R404
JW425
R405
CLP01
JW375
R406
CLP02
JW376
R407
CLP03
JW377
JR363
CLP04
JW378
JR364
JW760
JW185
D561
R409
CLP05
JW379
JW761
D562
CLP06
JR366
JW762
CLP07
JR367
JW763
JW570
JW764
JW765
JW766
R602
JW572
R603
JW767
R604
JW380
JW768
R411
R605
JW381
JW769
JW576
R412
R606
R413
R607
JW383
R608
JW384
JW578
NO401
R609
JW385
NO402
JW386
R417
NO403
JW387
IC550
R418
JW770
R419
JW771
R610
JW580
JW774
R611
JW775
CN402
R612
JW776
R613
JW777
JW584
R420
R614
JW390
JW778
R421
R615
JW391
JW585
JW779
R422
R616
JW392
JW586
R423
R617
JW393
JW587
R424
JW394
JW588
R425
JW589
R426
JW396
R427
JW397
IC560
R428
HS560
JW398
D581
IC561
R429
HS561
IC562
HS562
JW782
D583
IC563
HS563
JW783
D584
R620
IC564
JW590
HS564
JW784
HS565
1
1
3
1
3
4
1
4
D585
R621
IC565
JW591
JW785
R622
IC566
JW592
JW794
R623
IC567
JW593
JW787
R430
R624
IC568
JW594
JW788
R431
R625
IC569
JW595
JW789
R432
R626
JW596
R433
R627
JW597
R434
R628
JW598
R435
R629
JW599
R436
R438
D590
JW790
IC570
R439
D591
JW791
D592
JW792
D593
R630
D594
R631
D595
R632
R440
R441
C405
JL001
R442
JL002
R443
JL003
R250
R444
JL004
R251
R445
R252
R446
R447
R448
C600
R255
R449
C601
R256
R257
C603
C410
C604
R640
C411
X401
C605
R641
C412
X402
R642
R643
C608
R644
C609
C416
C417
R648
TP309
R649
R264
R265
TP501
R266
TP502
R267
R268
C614
R650
R269
TP311
C615
R654
R656
R463
R270
TP318
R271
R272
R273
R467
R468
R469
R660
TP320
R661
C625
R662
R663
R470
TP325
R471
R472
R667
R473
R668
R474
R669
R475
R477
R478
E2,E51
MODEL
MODEL
AR,MX
MODEL
MODEL
R670
R672
R673
C250
C251
R484
TP338
JW200
R485
JW201
R486
JW202
R293
R487
R294
R488
R295
R489
Q101
R296
R297
R490
C260
JW400
C261
R491
JW401
R492
C262
JW402
R493
C263
JW403
C264
JW404
R495
JW405
R497
JW407
JW408
JW409
JW600
JW601
C462
D402
JW602
JW603
C464
JW410
JW604
Q501
JW411
JW605
JW412
JW606
JW413
JW607
JW414
JW608
JR400
JW415
JW609
Q506
JW416
JW417
EPT560
JW418
EPT561
JW419
JW610
CN5051
JW611
JW612
CN5053
JW613
C280
JW420
JW614
JR600
C281
JW421
JW615
JW422
JW616
JW423
JW617
JW424
JW618
JW619
JW426
TP947
JW427
JW428
Q325
JW429
JW620
IC401
JW621
IC402
JW626
JW623
JW430
JW624
JW431
JW625
JW432
JW433
JW627
JW434
JW628
JW435
JW629
JW436
JW437
JW438
JW439
JW630
JW631
JW632
JW633
JW440
JW634
JW441
JW635
JW442
JW636
C497
JW443
JW637
C498
Q340
E C B
E C B
E C B
JW444
JW638
C499
Q341
JW445
JW639
Q342
JW446
Q343
JW447
Q344
JW448
Q151
Q345
JW449
JW640
JW641
JW642
JW643
Q540
JW450
JW644
JW451
JW795
JW452
JW646
JW453
JW647
Q544
JW454
JW648
JW455
JW649
JW456
JW457
JW458
R101
JW459
JW266
R102
R103
R104
JW650
R105
JW651
R106
JW652
R107
JW653
Q550
JW460
JW654
JW461
JW655
JW462
JW656
JW463
JW657
JW464
JW658
R301
JW465
JW659
JW272
R302
JW466
FB507
R303
JW467
R304
JW468
R111
FB509
R305
JW469
R112
R306
R307
R308
JW660
R309
JW661
R116
JW662
JW663
Q560
R500
JW470
JW664
Q561
R119
R501
JW665
FB512
R502
JW666
JW472
R503
JW473
JW667
Q370
R310
CN100
JW474
JW668
Q371
R311
JW475
JW669
Q372
R312
JW476
Q373
JW477
Q180
Q374
R508
JW478
Q181
Q375
R121
R509
JW479
Q376
R122
Q377
Q378
E C B
JW670
Q379
R319
JW671
JW672
JW673
JW480
JW674
R510
JW481
JW675
JW482
JW676
JW483
JW677
Q380
JW484
JW678
Q381
JW485
JW679
Q382
JW486
Q383
NO503
JW487
L370
R130
NO504
JW488
L371
R131
R325
JW489
L372
R132
R326
R133
JW680
CN501
JW681
CN502
JW682
CN503
JW683
Q580
JW490
JW684
Q581
JW491
JW685
Q582
CN506
JW492
JW686
Q583
CN507
JW493
JW687
Q584
CN508
C100
JW494
JW688
Q585
CN509
JW495
JW689
C102
JW496
C103
JW497
FB150
R140
C104
JW498
R529
C105
JW499
R336
C106
R337
C107
CN510
C108
JW690
R339
CN511
C109
JW691
JW692
CN512
JW693
R530
Q590
JW694
R531
C301
Q591
JW695
R532
JW696
C303
JW697
R340
C110
C304
JW698
R341
C111
C305
JW699
R342
C112
C306
Q596
R343
C113
C307
R537
Q597
R150
R344
C308
Q598
R151
R345
C115
C309
R152
R346
C116
R153
R347
R154
R348
R155
R349
C501
R156
C502
R157
C503
R540
C310
C311
TP201
R541
R542
C312
TP202
TP203
C314
TP204
R351
TP205
R352
R546
TP206
R353
R547
TP207
R354
R548
TP208
R355
TP209
R356
R357
C511
R166
TP210
R551
TP211
TP212
R553
TP213
C130
C131
C520
R369
R560
R561
R562
R563
R370
C140
R371
R372
R373
R180
R374
R181
R375
R182
R376
R183
R377
R184
R378
R185
R379
C149
R186
R187
C340
C534
C341
C535
C536
R573
R380
R574
C150
R381
R575
C539
R382
C152
R383
R577
C153
R384
R578
C154
R385
C155
R386
C156
R387
C157
R388
C158
C540
R389
C159
C541
C544
R581
C351
C545
R582
C353
R390
C160
C354
JW300
R391
C161
C355
D101
E C B
JW301
R392
C356
D102
C162
JW302
R586
R393
C163
JW303
R587
R394
JW304
R395
C359
JW305
R396
JW306
R397
JW307
C550
JW308
R399
C551
JW309
C552
C553
JW500
C361
R591
R592
R593
JW503
R594
C364
JW310
JW504
R595
JW311
R596
JW312
JW506
R597
JW313
JW507
JW314
JW508
JR300
JW315
JW509
JR301
JW316
JW317
CN580
C560
JW318
JW700
JR304
C561
D501
JW319
JW701
JR305
C562
D502
JW702
C563
D503
JW703
JR307
C370
C564
D504
JR114
JW510
JW704
C371
C565
JW511
JW705
JR309
C372
C566
Q602
JW512
JW706
C373
C567
Q603
JW513
JW707
Q604
C180
C374
C568
JW320
JW514
JW708
Q605
C181
C375
IC101
JW321
JW515
JW709
Q606
C376
JW322
JW516
C377
JW323
E2
MODEL
MODEL
JW517
C378
JW324
JW518
JR310
Q608
C379
JW325
JW519
JW326
JW327
JR313
JW328
JW710
JR314
JW329
JW711
JW712
JR316
JW713
JR317
C573
C380
JR318
Q610
C574
C381
IC301
JW521
JW715
JR319
C382
JW522
JW716
C383
JW523
JW717
C384
JW330
JW718
JW524
C385
JR129
D325
T301
JW331
JW525
JW719
C386
JW332
JW526
JW333
JW527
JW334
JW528
JR320
JW335
JW529
JW336
JR322
JW337
JR323
C580
JW338
JW720
C581
JR131
JW339
JW721
JW722
JW723
C584
JW530
JW724
C585
JW531
JW725
JR329
C586
JW532
JW726
C587
JW533
JW727
C588
JW340
JW534
JW728
C589
JW341
JW535
JW729
JW536
JW537
JW344
JW538
JR330
JW345
JW539
JW346
JW347
JR333
C590
JW348
JW730
C591
JW645
JW731
JR335
C592
JW732
JR336
JW733
JR337
D340
C594
JW540
JW734
JR338
J101
C595
JW541
JW735
JR339
D342
C596
JW542
JW736
J103
C597
JW543
JW737
JW544
JW738
JW351
JW545
JW739
JW352
JW546
JW353
JW547
Q250
JW354
JW548
Q251
JW355
JW549
JW356
JR342
JW357
D540
JW358
JW740
JR344
JW359
JW741
JR345
JW742
JW743
JR347
JW550
JW744
JW551
JW745
JR349
JW552
JW553
JW747
JW360
JW554
JW748
JW361
JW555
JW749
JW362
JW556
JW363
JW557
JW364
JW558
JW365
JW559
JR351
JW366
JW367
JR353
D550
JW368
JW750
JR354
D551
JW369
JW751
JW752
JW753
JW754
JR358
JW561
JW755
JR359
JW562
JW756
JW563
JW757
MAIN BOARD
1-872-273- (12)
12
1
1
7
7
8
8
14
14
1
8
9
16
1
8
9
16
AUDIO
IN
AUDIO
R
–2
–1
–4
–4
–3
L
J101
D-LIGHT
SYNC OUT
J103
(CHASSIS)
(CHASSIS)
DRIVER BOARD CN701
TRANS BOARD CN1214
USB
BOARD
CN907
BD91
BOARD
CN202
PANEL
BOARD
CN906
USB BOARD CN901
POWER BOARD CN601
POWER BOARD CN600
ERASE
HRPE901
REC/PB/ERASE
HEAD
(DECK B)
REC/PB
(R-CH)
HP901
PB HEAD
(DECK A)
PB
(L-CH)
PB
(R-CH)
REC/PB
(L-CH)
CN503
CN507
TU901
FM/AM
TUNER PACK
TAPE
MECHANISM
DECK
M891
DC FAN
PRIMARY
BOARD
CN1200
MIC
BOARD
N0902
EFFECTOR
BOARD
CN1502
F
B
C
H
K
S
D
G
J
A
E
VIDEO
IN
VIDEO
R
L
X402
E2,E51
MODEL
MODEL
1
3
E2,E51
MODEL
MODEL
JW781
JW374
JW260
JW350
JW622
JW772
JW343
JW349
R679
GTX77/GTX77BP
(Page 52)
(Page 40)
(Page 56)
(Page 50)
(Page 42)
(Page 54)
(Page 60)
(Page 50)
(Page 60)
(Page 58)
(Page 58)
Ref. No.
Location
D101
H-11
D102
H-10
D325
G-11
D340
E-2
D342
D-3
D402
D-5
D501
C-4
D502
B-4
D503
C-4
D504
C-4
D540
H-7
D550
G-10
D551
G-10
D561
F-8
D562
F-8
D581
G-10
D583
G-10
D584
G-10
D585
C-4
D590
D-6
D591
G-6
D592
F-8
D593
F-8
D594
E-6
D595
H-3
IC101
D-8
IC301
F-4
IC401
C-3
IC402
B-4
IC550
G-10
IC560
G-7
IC561
F-7
IC562
D-6
IC563
B-10
IC564
C-9
IC565
G-6
IC566
C-6
IC567
C-6
IC568
C-7
IC569
G-8
IC570
F-8
Q101
C-7
Q151
C-7
Q180
H-8
Q181
H-8
Q250
C-8
• Semiconductor Location
Q251
B-8
Q325
H-11
Q340
E-2
Q341
D-3
Q342
D-3
Q343
D-2
Q344
D-3
Q345
D-2
Q370
H-4
Q371
G-3
Q372
G-3
Q373
G-4
Q374
G-3
Q375
G-4
Q376
G-4
Q377
G-4
Q378
H-4
Q379
G-4
Q380
H-4
Q381
G-4
Q382
G-4
Q383
G-4
Q501
B-4
Q506
D-2
Q540
E-4
Q544
E-4
Q550
G-10
Q560
C-6
Q561
C-6
Q580
G-10
Q581
G-11
Q582
G-10
Q583
B-2
Q584
F-10
Q585
F-10
Q590
F-6
Q591
D-8
Q596
B-10
Q597
B-10
Q598
C-9
Q602
C-6
Q603
F-6
Q604
F-8
Q605
G-8
Q606
G-8
Q608
C-8
Q610
D-9
Ref. No.
Location
Ver. 1.1
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