Sony MHC-RG88 (serv.man2) Service Manual ▷ View online
53
MHC-RG88
Pin No.
Pin Name
I/O
Description
87
FRONT-RELAY
O
Relay drive signal output for the front speaker protect “H”: relay on
88
PROTECTOR
I
Protect on/off detection signal input from the speaker protect circuit “L”: protect on
89
A-SHUT
I
Shut off detection signal input from the deck-A side reel pulse detector
90
B-SHUT
I
Shut off detection signal input from the deck-B side reel pulse detector
91
B-HALF
I
Deck-B cassette detection signal input terminal “L”: cassette in, “H”: no cassette
92
MODEL-IN
I
Model setting terminal
93
DEST-IN
I
Destination setting terminal
94
SW-AD-KEY
I
SUBWOOFER ON/OFF and SURROUND SPEAKER MODE key input from the SS-WGV8
(A/D input)
(A/D input)
95
NO-USE
—
Not used
96
AVSS
—
Ground terminal (for analog system)
97
SW-RELAY
O
Relay drive signal output for the sub woofer protect “H”: relay on
98
VREF
I
Reference voltage (+3.3V) input terminal (for analog system)
99
AVCC
—
Power supply terminal (+3.3V) (for analog system)
100
NO-USE
—
Not used
54
MHC-RG88
•
PLACA PAINEL IC601 MB90M407PF-G-119-BND (FLUORESCENT INDICATOR TUBE DRIVER, KEY CONTROL)
Pin No.
Pin Name
I/O
Description
1 to 10
P1 to P10
O
Segment drive signal output to the fluorescent indicator tube
11
VSS-IO
—
Ground terminal (for I/O port)
12 to 22
P11 to P21
O
Segment drive signal output to the fluorescent indicator tube
23
VDD-FIP
—
Power supply terminal (+3.3V) (for fluorescent indicator tube)
24 to 41
P22 to P39
O
Segment drive signal output to the fluorescent indicator tube
42
VSS-IO
—
Ground terminal (for I/O port)
43, 44
P40, P41
O
Segment drive signal output to the fluorescent indicator tube
45 to 47
NO-USE
—
Not used
48
VKK
—
Power supply terminal (–33V) (for fluorescent indicator tube)
49 to 51
MD0 to MD2
I
Setting terminal for the CPU operational mode
52
LED-TAPE
O
LED drive signal output of the TAPE A/B indicator “H”: LED on
53
LED-TUNER
O
LED drive signal output of the TUNER/BAND indicator “H”: LED on
54
LED-MD-VIDEO
O
LED drive signal output of the MD (VIDEO) indicator “H”: LED on
55
LED-CD
O
LED drive signal output of the CD indicator “H”: LED on
56
LED-GAME
O
LED drive signal output of the GAME indicator “H”: LED on
57
LED-DISC1
O
LED drive signal output of the DISC1 indicator “H”: LED on
58
LED-DISC2
O
LED drive signal output of the DISC2 indicator “H”: LED on
59
LED-DISC3
O
LED drive signal output of the DISC3 indicator “H”: LED on
60
I2C-DATA
I/O
Communication data bus with the system controller
61
I2C-CLOCK
I/O
Communication data reading clock signal input or transfer clock signal output with the system
controller
controller
62
AVCC
—
Power supply terminal (+3.3V) (for A/D conversion)
63
AVSS
—
Ground terminal (for A/D conversion)
64 to 66
KEY0 to KEY2
I
Key input terminal (A/D input)
67 to 72
BPF0 to BPF5
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter
73
ALL-BAND
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter
74
LED-REC
O
LED drive signal output of the REC PAUSE/START indicator “H”: LED on
75, 76
NO-USE
—
Not used
77
RESET
I
System reset signal input from the system controller “L”: reset
78
SOFT-TEST
O
Output terminal for the software test
79
VOLUME-B
I
Jog dial pulse input from the rotary encoder (B phase input)
80
VOLUME-A
I
Jog dial pulse input from the rotary encoder (A phase input)
81
VSS-CPU
—
Ground terminal (for CPU)
82
X0
O
System clock output terminal (4 MHz)
83
X1
I
System clock input terminal (4 MHz)
84
VCC-CPU
—
Power supply terminal (+3.3V) (for CPU)
85
NO-USE
—
Not used
86 to 100
1G to 15G
O
Grid drive signal output to the fluorescent indicator tube
55
MHC-RG88
#2
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
painel frontal
#1
C
D
E
B
F
E
F
C
D
A
B
A
4
5
6
10
7
1
9
1
8
7
3
1
2
1
chassis
CDM58E-30BD60C
M891
8-1. PAINEL
SEÇÃO 8
VISTAS EXPLODIDAS
Os componentes identificados
com a marca 0 são críticos para
a segurança. Somente os substitua
peças numericamente identificadas
nesse manual.
com a marca 0 são críticos para
a segurança. Somente os substitua
peças numericamente identificadas
nesse manual.
• Itens com a marca “*” não são mantidos em
estoque por serem raramente solicitados. Evi-
te atrasos antecipando os pedidos para estes
itens.
te atrasos antecipando os pedidos para estes
itens.
• Os acessórios encontram-se no final da lista
de peças elétricas.
NOTAS:
• -XX e -X indicam peças padronizadas que
podem apresentar algumas diferenças da-
quelas originalmente usadas no aparelho.
quelas originalmente usadas no aparelho.
• Indicação de cor nas peças.
Exemplo:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Cor da peça Cor do gabinete
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
3-363-099-41 SCREW (CASE 3 TP2)
2 4-225-038-43 SIDE PANEL (L)
3
3
4-237-760-21 LOADING PANEL
4 4-224-550-62 TOP CASE
5 A-4727-568-A SUB-TRANS BOARD, COMPLETE
5 A-4727-568-A SUB-TRANS BOARD, COMPLETE
6
1-683-542-11 SENSOR BOARD
7
4-225-252-01 CUSHION (FOOT)
8 1-693-573-72 TUNER PACK (FM/AM)
9 4-225-039-43 SIDE PANEL (R)
10 4-239-663-21 BACK PANEL
M891 1-763-488-61 FAN, DC
#1
#1
7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S
#2
7-685-648-79 SCREW +BVTP 3X12 TYPE2 N-S
56
MHC-RG88
8-2. PAINEL FRONTAL
Blindagem tc (4-237-789-01)
69
63
63
63
61
57
60
68
67
66
63
63
63
63
63
64
65
63
70
63
51
52
54
55
56
58
59
53
57
62
fornecido com o
S748
TCM-230AWR41CS
(A-4330-769-A)
72
74
71
LISTA DE PEÇAS DO PAINEL FRONTAL NA PÁGINA SEGUINTE
Click on the first or last page to see other MHC-RG88 (serv.man2) service manuals if exist.