Sony HCD-H991AV / MHC-991AV / MHC-G99AV Service Manual ▷ View online
— 83 —
Pin No.
Pin Name
I/O
Function
41
42
43
44
45
46
47
48
49
50
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
76
77
78
79
80
AUB IN
AUB OUT
FOCUS SW
SQ-CLK
SQ-DATA
X-LAT
TEST
VAREF
VA
SS
V
SS
V
DD
SPEC
DESTINATION
DISC SENS
TC RELAY
A-SHUT
B-SHUT
B-HALF
A-HALF
220-A-PLAY
220-B-PLAY
62427 LAT
K-CON-LAT
VOL LAT (AV)
REAR SP RELAY B
FRONT SP RELAY C
POWER ON
CD POWER
PROLOG LAT
MUTE
COM CLK
COM DIN
COM DATA
K CON ON
LIDDED LED
MD/VIDEO
DBFB-HIGH
PWM DUTY
PRO LOGIC
TC A
I
O
O
O
I
O
I
I
–
–
–
I
I
I
O
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
I
O
O
O
O
O
I
O
O
Focus switching signal output.
Subcode Q data read clock output.
Subcode Q data input.
Latch signal output for digital signal processor.
Test land.
Analog reference voltage input.
+5V
Slit sensor of disc table input.
REC/PB select signal output.
PLL latch output.
Not used. (Open)
Latch signal for electrical volume.
Rear speaker relay B Control output.
Front speaker relay C Control output.
Power on signal output.
CD power control signal output.
Latch signal output for dolby pro logic.
Mute signal for AMP.
PLL clock output.
PLL data input.
PLL data output.
Not used. (Open)
Disc No. LED drive signal output. (Not used) (Open)
VIDEO/MD IN mute control signal output.
DBFB switching signal output.
Not used.
Dolby pro logic control output.
Deck A, B select output.
Audio bus in/output. (Not used) (Open)
Ground
Destination detection setting input.
Control signal input from deck.
— 84 —
Pin No.
I/O
Function
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
O
O
O
O
O
O
O
O
O
O
O
O
I
I
O
O
O
O
O
–
NORMAL/HIGH control signal output.
Bias oscillation output.
Mute output.
Dolby ON/OFF signal output.
REC/PB control signal output.
Dolby switching signal output.
Mute signal output for deck.
Capstan motor control signal output.
Trigger motor high/low contorol signal output.
Capstan motor ON/OFF control signal output.
Stereo dection signal from tuner.
Tuned detection signal from tuner.
Latch signal output for tuner.
Not used. (Open)
+5V
NORM
BIAS OFF
REC MUTE
NR OFF
PB
PASS. AMP/DOLBY
LINE MUTE ON
CAP. M-HIGH
A-TRG
B-TRG
TRG LOW
CAP M ON
STEREO
TUNED
ST-CE
DELAY SEL MIC
DELAY ON
DELAY LEVEL A
DELAY LEVEL B
V
DD
Trigger motor control signal output.
Not used. (Connected to ground)
— 87 —
SECTION 7
EXPLODED VIEWS
NOTE:
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
should be anticipated when ordering these items.
• The mechanical parts with no reference number in
the exploded views are not supplied.
• Hardware (# mark) list and accessories and packing
materials are given in the last of this parts list.
• Abbreviation
CND: Canadian model
G:
G:
German model
IT:
Italian model
EA:
Saudi Arabia model
HK:
Hong Kong model
SP:
Singapore model
MY: Malaysia model
AUS: Australian model
AR:
AUS: Australian model
AR:
Argentine model
TH:
Thailand model
IA:
Indonesian model
E2:
Without SW tuner model
E3:
With SW tuner model
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 1
4-979-851-41 PANEL, LOADING (EA, MY, TH)
1
4-980-115-01 PANEL, LOADING (US, CND, AEP, UK, G, IT)
1
4-980-115-11 PANEL, LOADING (E, AUS, SP, HK, IA, AR, PX)
2
3-363-099-01 SCREW (CASE 3 TP2)
3
1-751-086-11 WIRE (FLAT TYPE) (13 CORE)
(US, CND, E2, AUS, AR, TH)
3
1-773-012-11 WIRE (FLAT TYPE) (15 CORE)
(AEP, UK, E3, PX, G, IT, EA, MY, SP, HK, IA)
* 4
A-4303-512-A TCB BOARD (E2, AUS, AR)
* 4
A-4303-506-A TCB BOARD (E3, PX, SP, HK, IA)
* 4
A-4303-510-A TCB BOARD (US, CND)
* 4
A-4303-514-A TCB BOARD (Malaysia product) (AEP)
* 4
A-4303-518-A TCB BOARD (EA, MY)
* 4
A-4303-537-A TCB BOARD (TH)
* 4
A-4303-502-A TCB BOARD (Indonesia product) (AEP, UK)
* 4
A-4303-503-A TCB BOARD (G, IT)
5
1-773-157-11 WIRE (FLAT TYPE) (21 CORE)
6
1-769-977-11 WIRE (FLAT TYPE) (13 CORE)
* 7
4-978-748-01 CASE (Except Indonesia product)
* 7
4-978-748-61 CASE (Indonesia product)
8
1-765-325-11 WIRE (FLAT TYPE) (11 CORE)
9
1-776-442-11 WIRE (FLAT TYPE) (19 CORE)
7-1. CASE SECTION
1
2
3
4
7
#1
#1
#1
CDM38-5BD19
6
9
#1
#1
#1
2
5
8
FRONT PANEL
#1
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
Les composants identifiés par une
marque
marque
! sont critiques pour la
sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
Ne les remplacer que par une piéce
portant le numéro spécifié.
— 88 —
7-2. BACK PANEL SECTION
51
#2
#1
#1
#1
not supplied
#2
#1
#1
60
55
#1
61
CNP1601 (UK)
CNP1601 (US, CND)
CNP1601 (AUS)
58
(EA, SP)
57
CNP1601
(E, IA, TH)
not supplied
56
F1602
F1603
F1604
F1605
F1606
not supplied
58
(HK)
53
53
not supplied
#3
#1
M901
#3
T1601
#3
52
54
#1
58
(E3,
PX, IA)
CNP1601 (EXCEPT US,
CND, E,UK, AUS, IA, TH)
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
Les composants identifiés par une
marque
marque
! sont critiques pour la
sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
Ne les remplacer que par une piéce
portant le numéro spécifié.
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