Sony XR-C9100 Service Manual ▷ View online
– 29 –
L-CH
R-CH
TP (DOLBY)
DOLBY LEVEL
ADJ
TAPE SPEED ADJ
RV1
AM AUTO SCAN/
STOP LEVEL ADJ
AM AUTO SCAN/
STOP LEVEL ADJ
RV2
FM AUTO SCAN/
STOP LEVEL ADJ
FM AUTO SCAN/
STOP LEVEL ADJ
RV3
FM STEREO
SEPARATION ADJ
(WIDE)
FM STEREO
SEPARATION ADJ
(WIDE)
RV4
FM STEREO
SEPARATION ADJ
(NARROW)
FM STEREO
SEPARATION ADJ
(NARROW)
TUX10
RV240
(R-CH)
RV230
(L-CH)
DOLBY
LEVEL
ADJ
Adjustment Location : tuner unit (TUX10)
– set lower view –
– set upper view –
– 30 –
6-1. IC PIN DESCRIPTION
• IC600 MB90574PFV-G-134-BND (SYSTEM CONTROL)
• IC600 MB90574PFV-G-134-BND (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
SEKOUT
O
SEEK OUT output
2
AF-SEEK
O
AF SEEK output (Not used in this set.)
3
WIDE
O
WIDE/NARROW select output
4
ST-MONO
I/O
Use a thing both as ST-IND display input and force MONO output.
5
TUNMUTE
O
Tuner mute output
6
FM-ON
O
FM ON output
7
TU-ON
O
Tuner ON output
8
VCC
—
Power supply pin (+5 V)
9
CSV-RST
O
Audio composition IC reset output
10
BUSON
O
Bus ON control output
11
SYSRST
O
System reset output
12
DOORSW
I
Door OPEN/CLOSE detection input
13
LCDSO
O
LCD serial data output
14
LCDCKO
O
LCD serial clock output
15
BEEP
O
BEEP output
16
LCDCE
O
LCD chip enable output
17
UNISI
O
Serial data input
18
UNISO
O
Serial data output
19
UNICKI
I
Serial clock input
20
SD-IN
I
Signal detector input
21
CSV-SO
O
Audio composition serial data output
22
CSV-CKO
O
Audio composition serial clock output
23
CSV-CE
O
Audio composition chip enable output
24
SIRCS
I
Remote commander input
25
PLLSI
I
PLL data input
26
PLLSO
O
PLL data output
27
PLLCKO
O
PLL clock output
28
PLLCE
O
PLL chip enable output
29
ILL-ON
O
Illumination power control output
30
DIMMER
I/O
Dimmer control input/output
31
—
—
Not used in this set.
32
LCDINH
O
LCD blank display control output
33
VSS
—
GND
34
C
—
Power stabilization capacitor pin
35
AD-ON
O
Power control output of A/D conversion.
36, 37
RE-IN0, 1
I
Rotary encoder input 0, 1
38
DVCC
—
D/A converter VREF input
39
DVSS
—
GND of D/A converter.
40
—
—
Not used in this set.
41
LCDANG
O
LCD view angle alignment output
42
AVCC
—
Analog power supply pin (+5 V)
43
AVRH
—
A/D converter VREF+ input
44
AVRL
—
A/D converter VREF– input
45
AVSS
—
Analog GND
46, 47
KEYIN0, 1
I
Key input 0, 1
48
RC-IN0
I
Rotary commander input 0
49
DSTSEL0
I
Destination select input 0 (Fixed at “L” in this set.)
50
DSTSEL1
I
Destination select input 1 (Fixed at “H” in this set.)
51
DSTSEL2
I
Destination select input 2 (Fixed at “L” in this set.) (US model)
Frequency select input (E model)
52
MTP
I
Tuner multi-pass input (Not used in this set.)
SECTION 6
DIAGRAMS
– 31 –
Pin No.
Pin Name
I/O
Pin Description
53
VSM
I
S-Meter voltage detection input
54
VCC
—
Power supply pin (+5 V)
55
RAMBU
I
RAM reset detection input
56
POWSEL
I
Power select initial setting input
57
EQ-SEL
I
Equalizer connection with/without detection initial input
58
TESTIN
I
Test mode setting detection input
59
PACK-IND
O
Door indicator output
60
—
—
Not used in this set.
61, 62
SUB-SW1, 0
O
Simple SUB WOOFER control output 1, 0
63
VSS
—
GND
64
VOLCE
O
Electric volume serial chip enable output
65
MUTE
O
System mute control output
66
VOLSO/SUBSO
O
Main/Sub volume serial data output
67
VOLCKO/SUBCKO
O
Main/Sub volume serial clock output
68
SUBCE
O
Sub volume serial chip enable output
69
FLASH-W
I
Flash write in mode detection input
70
RDSSI
I/O
RDS serial data input/output (Not used in this set.)
71
RDSCKI
O
RDS serial clock output (Not used in this set.)
72
RC-IN1
I
Rotary commander input
73
X1A
—
Low speed oscillation input (32.768 kHz)
74
X0A
—
Low speed oscillation input (32.768 kHz)
75
DAVN
I
RDS IC data taking in detection input (Not used in this set.)
76
KEYACK
I
Key input acknowledge
77
BU-IN
I
Back-up power detection input
78
ILLIN
I
Illumination line detection input
79
TELMUTE
I
Telephone mute detection input
80
NOSESW
I
Front panel detachable detection input
81
ACCIN
I
Accessory power detection input
82 – 85
—
—
Not used in this set.
86
HSTX
I
Connect to power supply pin.
87
MD2
I
Connect to GND.
88, 89
MD0, 1
I
Connect to power supply pin.
90
RSTX
I
Microcomputer reset input
91
VSS
—
GND
92
X0
—
High speed oscillation input (3.68 MHz)
93
X1
—
High speed oscillation input (3.68 MHz)
94
VCC
—
Power supply pin (+5 V)
95
—
—
Not used in this set.
96
—
—
Not used in this set.
97
—
—
Not used in this set.
98
BBE
O
BBE ON/OFF control output
99
LOCNTR-BBE
O
BBE HIGH/LOW boost control output
100
PRCSS-BBE
O
BBE processor signal output
101
—
—
Not used in this set.
102
MTLIN
I
Auto METAL detection input
103
AMSTIN
I
Tape AMS music detection input
104
REEL
I
Tape reel table rotation detection input
105
POS0
I
Tape position detection input 0
106
POS1
I
Tape position detection input 1
107
POS2
I
Tape position detection input 2
108
POS3
I
Tape position detection input 3
109
LM-EJ
O
Tape loading motor control output (Eject direction)
110
LM-LOD
O
Tape loading motor control output (Loading direction)
– 32 –
Pin No.
Pin Name
I/O
Pin Description
111
CM-ON
O
Tape capstan motor control output
112
TAPEON
O
Tape power control output
113
N/R
O
Tape forward/reverse detection output
114
AMSON
O
Tape AMS control output
115
DOLBC
O
Tape DOLBY B/C select control output
116
DOLBY
O
Tape DOLBY control output
117
CSV-NAR
I
Space condition indicate signal input for voice synthesizer IC.
118
LEDON
O
Front panel LED control output
119
VSS
—
GND
120
POWON
O
System power control output
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