Sony HCD-GNZ77D / HCD-GNZ88D / MHC-GNZ77D / MHC-GNZ88D Service Manual ▷ View online
33
33
HCD-GNZ77D/GNZ88D
HCD-GNZ77D/GNZ88D
• Waveforms
— DMB15 BOARD —
— S-MASTER BOARD —
— MAIN BOARD —
— ADC BOARD —
1
IC102
6
(DVDRFIP)
0.5 Vp-p
200 mV/DIV, 100 nsec/DIV
500 mV/DIV, 20
µ
sec/DIV
2
IC102
ea
(FED)
100 mV/DIV, 1 msec/DIV
6
IC102
<z.,
(YUV3)
500 mV/DIV, 20
µ
sec/DIV
3
IC102
es
(TEO)
500 mV/DIV, 1 msec/DIV
7
IC102
<xx.
(XTALI)
500 mV/DIV, 20
µ
sec/DIV
1.8 Vp-p
4
IC102
<z.v
(YUV1)
500 mV/DIV, 20
µ
sec/DIV
5
IC102
<z.n
(YUV2)
700 mVp-p
0.3 Vp-p
1.3 Vp-p
H
H
1.2 Vp-p
H
1.5 Vp-p
27MHz
0.4 Vp-p
49 MHz
1
IC800
4
0.2 V/DIV, 0.1
µ
sec/DIV
0.9 Vp-p
12.288 MHz
1
IC3
6
0.5 V/DIV, 0.1
µ
sec/DIV
0.7 Vp-p
32.768 kHz
1
IC401
q;
(XC-IN)
0.5 V/DIV, 20
µ
sec/DIV
2.1 Vp-p
5 MHz
2
IC401
qd
(X OUT)
1 V/DIV, 0.1
µ
sec/DIV
34
34
HCD-GNZ77D/GNZ88D
HCD-GNZ77D/GNZ88D
6-7. PRINTED WIRING BOARDS — DRIVER SECTION — • Refer to page 32 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
(OPEN/CLOSE DETECT)
(DISC TRAY ADDRESS DETECT)
1
9
1
9
1
4
1
2
1
2
CN751
S751
IC731
CN731
CN741
CN742
CN721
MAIN
BOARD
CN405
A
C715
C731
C735
C736
R701
R711
R731
R721
R722
R723
R736
R732
R733
R734
D701
D711
C751
IC712
IC701
CN704
C737
R713
R712
C741
R702
JW702
JW703
JW704
JW705
JW706
JW707
JW
708
JW711
CN703
CN702
CN705
R751
C752
JW712
JW701
JW
709
JW710
JW713
JW714
CN701
Q731
B
E
(Page 43)
Ref. No.
Location
D701
D-6
D711
D-7
IC701
E-6
IC712
E-7
IC731
E-11
Q731
B-8
• Semiconductor
Location
35
35
HCD-GNZ77D/GNZ88D
HCD-GNZ77D/GNZ88D
6-8. SCHEMATIC DIAGRAM — DRIVER SECTION — • Refer to page 69 for IC Block Diagrams.
IC B/D
IC B/D
390
R751
C752
CN705
CN704
CN721
CN751
C751
IC701
IC712
R701
R713
R711
R723
R721
R722
C735
C736
C737
R736
R733
R731
C731
Q731
C741
CN703
IC731
CN731
CN741
CN742
C715
R702
R712
R732
R734
D711
M751
M741
S751
CN701
D701
CN702
CN711
RE701
(Page 44)
36
36
HCD-GNZ77D/GNZ88D
HCD-GNZ77D/GNZ88D
6-9. PRINTED WIRING BOARD — DMB15 SECTION — • Refer to page 32 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
D
1-869-463-
MAIN BOARD CN521
B
VIDEO BOARD CN1966
C
VIDEO
BOARD
NO1960
E
MAIN BOARD CN301
11
(11)
OPTICAL
PICK-UP
BL0CK
A10
A11
A12
IC102
FB115
FB114
FB113
FB112
CN302
R3653
R3805
IC201
Q103
R116
R117
E C B
C224
R136
IC106
R142
IC104
IC103
FL101
C222
C221
R153
R155
C220
C219
FL107
FL403
C218
RB107
RB108
RB113
CN101
RB112
C3804
Q3801
B C E
C215
R3804
C3802
R3803
FL401
IC101
C3805
C210
X101
R208
C208
CN106
CN201
CN401
R209
C206
C205
R210
R214
FB401
FB402
FB403
FB404
D1001
FB405
FB406
R215
R216
R219
R224
FL402
C190
R233
R234
C180
C179
R161
R107
C306
C102
C105
C402
C108
R189
C307
C305
R191
C302
R192
R193
C153
C152
R1101
C117
R1102
R1105
R1108
R3651
R1553
C138
C137
C135
R1129
C133
C132
R1168
C119
C118
C116
R195
C112
C101
R197
C167
C170
C181
C217
C189
C177
R1544
C403
C129
R152
R1550
R1549
C3781
C3774
C3772
C3771
C3707
R3782
R3781
R4706
R4705
R1543
C3784
R3773
R3774
R3775
R3776
R3777
R3772
R3771
R3766
R3764
R3763
R3758
R3757
R3778
R3756
R3784
R3755
R3754
R3753
C3764
C3761
C3754
C3801
C3753
C3752
C3751
C3705
R3762
R3761
R3802
R3801
C178
R3716
R3752
R3717
R3715
R3751
R3748
R3747
R3746
R3745
R3744
R3743
R3738
R3713
R3737
R3736
R3735
R3734
R3733
C3744
R3721
R3722
R3723
C3743
C3742
C3741
C3734
R3712
R3711
R3724
C3733
C3732
C3731
C3703
D3502
D3501
C150
C3724
C3721
C3714
R3742
CN301
R3741
GNZ88D
GNZ88D
C3712
C3711
R3732
R3731
C187
R3726
R1557
R190
R1559
CN105
R319
R3768
R3718
C3701
C3713
R3728
R3727
C3723
R3714
C3722
R3725
R3786
R3788
C3773
C3782
R3785
C3783
R3787
R3783
R3767
C3763
R3765
C3762
C3803
19
18
R101
C308
(Page 43)
(Page 63)
(Page 43)
(Page 63)
Ref. No.
Location
D1001
F-6
D3501
I-7
D3502
I-8
IC101
C-10
IC102
F-9
IC103
F-7
IC104
E-7
(IC105)
D-10
IC106
E-5
(IC107)
G-10
IC201
C-6
(IC301)
F-6
(IC3711)
H-5
(IC3731)
G-5
(IC3751)
G-6
(IC3771)
H-6
(Q101)
F-11
(Q102)
E-10
Q103
G-11
Q3801
H-7
• Semiconductor
Location
( ): SIDE B
Ver. 1.1
New part of EEPROM (IC103) on the DMB15 board cannot be used.
Therefore, if the mounted DMB15 board (A-1167-719-A, etc.) is replaced,
exchange new EEPROM (IC103) with that used before the replacement.
Therefore, if the mounted DMB15 board (A-1167-719-A, etc.) is replaced,
exchange new EEPROM (IC103) with that used before the replacement.
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