Read Sony HCD-GZR888DA / HCD-GZR999DA Service Manual online
HCD-GZR888DA/GZR999DA
HCD-GZR888DA/GZR999DA
4
4
2-2. SCHEMATIC DIAGRAM - POWER AMP Board -
• See page 5 for IC Block Diagram.
IC B/D
0
0
0
0
0
0
0
0
3.2
0
0
0
0
-52.3
52.3
53.8
30.3
15.1
-15.2
-30.4
-53.8
0
0
0
0
13.8
13.8
0
13.8
0
0
0
0
0
0
3.3
15.8
15.5
15.5
0
14.2
0
0.6
0
15.5
0
0
3.3
0
0
0
15.5
0
15.5
15.8
0
0
11.8
10.2
10.9
9.3
8.9
10.2
5W
0.22
R412
5W
0.22
R420
56k
R427
56k
R429
2.2k
R435
2.2k
R436
10
R452
10
R456
3.3k
R426
100p
C446
50V
47
C447
50V
47
C448
50V
10
C441
50V
10
C442
470p
C443
470p
C444
100V
47
C461
100V
47
C462
1W
R467
2.2k
1W
R468
2.2k
10k
R406
4.7k
R421
47k
R403
1k
R404
1k
R405
22k
R407
2.2k
R423
50V
1
C465
10V
100
C464
47k
R448
330
R445
18k
R447
47k
R449
100k
R446
R476
100k
R477
100k
22k
R493
22k
R494
MC2836-T112-1
D407
2SC5625
Q401
2SC5625
Q402
1k
R409
1k
R416
100k
R410
100k
R417
33k
R408
33k
R419
22k
R411
22k
R415
56k
R497
47k
R499
10
R453
10
R457
1000p
C440
10
R450
10
R451
10
R454
10
R455
22k
R491
22k
R492
2.2k
R475
MAZ8091G0LS0
D419
KTC3198GR-AT
Q408
MA2J1110GLS0
D406
1
2
3
4
5
5P
CN401
AC-VH
AC-VL
GND
AC-VL
AC-VH
MA2J1110GLS0
D415
R462
10k
50V
C431
10
R459
10
R458
10
R498
47
C432
470p
R463
10k
R433
100k
R461
10
R438
33k
5W
R425
0.22
C435
100p
2SC5625
Q403
MA2J1110GLS0
D416
R460
10
MA2J1110GLS0
D408
R434
56k
R439
1k
R437
2.2k
50V
C433
47
R440
22k
E
EP401
1
R495
100
R490
100
R496
C413
0.1
~
~
~
~
C414
0.1
0.1
C451
0.1
C455
0.1
C452
0.1
C454
C453
0.1
C456
0.1
100p
C445
10
R478
L401
10
R483
10
R482
10
R486
10
R480
10
R481
10
R479
10
R489
L402
R389
10
R387
10
R391
10
R392
10
L405
R388
10
R394
10
R393
10
L404
R390
10
R485
10
R484
10
R488
10
R487
10
L403
KTA1271Y-AT
Q413
100
R385
100
R386
MA2J1110GLS0
D417
22k
R441
22k
R442
47k
R395
47k
R396
R397
47k
25V
6800
C426
25V
6800
C425
0.1
C429
0.1
C430
0.1
C427
0.1
C428
R424
0
1000p
C468
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN403
FAN_DETECT
DBFB
HP_SW
POWER_GND
STK-MUTE
SP-RELAY
PROTECT
IN-FL
AMP-IN-GND
IN-FR
GND-SW
IN-SW
SW-ON/OFF
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN405
UNREG.10V
UNREG.10V_GND
UNREG.15V
UNREG.15V_GND
EVER 10V
STBY RELAY
D-GND
AC-Pulse
ACF-DET
-VCC
-VFL
VF/VF-DC
VF/GND
D3SB60F3
D404
4.7k
R400
47k
R379
RY401
RY402
4.7k
R399
10k
R398
12k
R422
180
R470
180
R373
180
R374
180
R375
R471
180
R376
180
R377
180
R500
180
56k
R413
56k
R414
C475
C476
MTZJ-T
-77-16B
D414
MTZJ-T
-77-16B
D413
270
R430
270
R428
100k
R444
R432
330
50V
3300
C409
C410
3300
50V
R431
56k
2W
R383
560
2W
560
R382
2W
R384
560
D3SB60F3
D420
MAZ8120GMLS0
D421
50V
C477
10
MA2J1110GLS0
D422
50V
C478
1
R370
100k
R369
10k
R368
10k
R371
100k
R372
100k
MA2J1110GLS0
D423
R367
470
2W
560
R381
JW494
JW495
1
2
3
4
4P
CN407
HP_L
HP_GND
HP_R
HP_SW
100V
0.1
C403
100V
0.1
C404
KTD2058Y
Q417
D15XB60
D401
FML-G12S
D409
FML-G12S
D410
D10XB60 F
D402
2SC4154TP-1EF
Q406
2SC4154TP-1EF
Q407
2SC4154TP-1EF
Q409
2SC4154TP-1EF
Q410
2SC4154TP-1EF
Q411
2SC4154TP-1EF
Q412
2SC4154TP-1EF
Q414
2SC4154TP-1EF
Q418
2SC4154TP-1EF
Q416
ISA1602AM1TP-1EF
Q405
ISA1602AM1TP-1EF
Q415
0
R365
0
R366
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN402
AC3
AC3
GND
AC4
AC4
VF/VF-DC
VF/GND
D-GND
EVER 10V
STBY RELAY
AC_Pulse
ACF-DET
-VFL
E
EP403
TH401
R443
4.7k
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
STK413-530-E
IC401
+VH
+VL
+OFF_SET
-OFF_SET
–VL
–VH
GND
OUT_CH1+
OUT_CH1–
OUT_CH2–
OUT_CH2+
–PRE
+PRE
IN-Lch
NF-Lch
STBY
NF-Rch
IN-Rch
IN-SW
NF-SW
OUT
-SW+
OUT
-SW–
JK403
JK401
6P
0
R473
POWER AMP BOARD
IC401
PRE DRIVER
(CHASSIS)
(CHASSIS)
+10V REGULATOR
VOLTAGE DETECT
THERMAL DETECT
Q411, 412
Q409, 410
OVER LOAD DETECT
RELAY CONTROL
Q405 - 407
PROTECT
OVER LOAD DETECT
Q401, 402
OVER LOAD DETECT
FRONT
RELAY DRIVE
RELAY
CONTROL
SPEAKER
RELAY DRIVE
RELAY CONTROL
SPEAKERS
R
L
SATELLITE
SPEAKERS
R
L
FRONT
SUBWOOFER
-1
-2
-1
-2
4P
R
CN791
MIC
BOARD
Refer to page
50 on original
service manual
Refer to page
BOARD
service manual
P
CN241
(2/3)
47 on original
MAIN
Refer to page
BOARD
service manual
O
CN901
(3/3)
48 on original
MAIN
Refer to page
NO305
service manual
TRANS
BOARD
65 on original
X
service manual
65 on original
NO304
TRANS
Refer to page
BOARD
W
3300 80V (E2, E51, MX)
C475, 476
3300 71V (E3, E4, EA, SP, PH)
I
6
H
15
1
C
12
18
K
13
5
F
16
19
8
2
B
D
G
11
L
10
E
17
J
9
A
4
3
7
14
~
~
~
~
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