Sony MHC-V5500 / STR-V5500 Service Manual ▷ View online
— 5 —
FL DISPLAY/KEY LED TEST MODE
Press the REPEAT, ENTER/NEXT and SURROUND buttons
simultaneously.
1.
simultaneously.
1.
All FL segments and all LEDs turn on.
2.
To access the microprocessor information, press the P FILE
key. Each pressing of the P FILE key advances the display on
the FL tube in the following sequence.
key. Each pressing of the P FILE key advances the display on
the FL tube in the following sequence.
3. To check the encoder, press the MUSIC key. The following
display appears on the FL tube.
"K
display appears on the FL tube.
"K
0
J
0
V
0"
The number after K indicates the number of times that the key is
pressed. The key which was pressed in the past, is not counted.
The key which is pressed hereafter is counted. Pressing any key
increases the number after K.
pressed. The key which was pressed in the past, is not counted.
The key which is pressed hereafter is counted. Pressing any key
increases the number after K.
The number after J indicates the number of rotations that the JOG
dial is rotated. Turning the JOG dial clockwise increases the number
after J. Turning the JOG dial counter-clockwise decreases the
number after J.
dial is rotated. Turning the JOG dial clockwise increases the number
after J. Turning the JOG dial counter-clockwise decreases the
number after J.
The number after V indicates the number of rotations that the
VOLUME dial is rotated. Turning the VOLUME dial clockwise
increases the number after V. Turning the VOLUME dial counter-
clockwise decreases the number after V.
VOLUME dial is rotated. Turning the VOLUME dial clockwise
increases the number after V. Turning the VOLUME dial counter-
clockwise decreases the number after V.
To exit this mode, perform the "Cold Reset" (reset clearing memory)
as described below.
as described below.
GENERAL TEST MODE
(INCLUDING AMPLIFIER AND TUNER)
(INCLUDING AMPLIFIER AND TUNER)
Press the REPEAT, ENTER/NEXT and CLOCK TIMER SET
buttons simultaneously while the main power is on.
1.
buttons simultaneously while the main power is on.
1.
Sound volume display segment starts blinking.
2.
The tuning enters the PRESET mode.
3.
Rotating the VOLUME control clockwise increases the volume
level to maximum.
Rotating the VOLUME control counter-clockwise decreases
the volume level to minimum.
level to maximum.
Rotating the VOLUME control counter-clockwise decreases
the volume level to minimum.
4.
Pressing the MUSIC key decreases the equalizer curve to
minimum and "EQ CHECK" appears on the display.
Pressing the MOVIE key increases the equalizer curve to
maximum.
Pressing the GAME key makes the equalizer curve flat.
minimum and "EQ CHECK" appears on the display.
Pressing the MOVIE key increases the equalizer curve to
maximum.
Pressing the GAME key makes the equalizer curve flat.
5.
Pressing any of the DBFB, GROOVE or SURROUND key
disappears "EQ CHECK" on the display.
disappears "EQ CHECK" on the display.
To exit this mode, perform the "Cold Reset" (reset clearing memory)
as described below.
as described below.
SECTION 2
TEST MODE
AGING MODE
1.
CD aging mode
To execute the CD aging, set the three discs to the CD tray and
set the function to CD. REPEAT, ENTER/NEXT and LOOP
buttons simultaneously. The CD aging mode starts and the disc
calendar starts blinking.
To execute the CD aging, set the three discs to the CD tray and
set the function to CD. REPEAT, ENTER/NEXT and LOOP
buttons simultaneously. The CD aging mode starts and the disc
calendar starts blinking.
2.
Tape aging mode
To execute the tape aging, set the two tapes to the tape A and B
drives. Set the function to TAPE. Press the REPEAT, ENTER/
NEXT and LOOP buttons simultaneously. Press the A forward
key to start the tape aging mode. "AGING" appears on the
display.
To execute the tape aging, set the two tapes to the tape A and B
drives. Set the function to TAPE. Press the REPEAT, ENTER/
NEXT and LOOP buttons simultaneously. Press the A forward
key to start the tape aging mode. "AGING" appears on the
display.
CD SERVICE MODE
Turn on the main power. Press the REPEAT, ENTER/NEXT and
KARAOKE PON/MPX buttons simultaneously.
VACS toggles between ON and OFF.
KARAOKE PON/MPX buttons simultaneously.
VACS toggles between ON and OFF.
VACS LEVEL DISPLAY
Turn on the main power. Press the EDIT, ENTER/NEXT and
KARAOKE PON/MPX buttons simultaneously.
VACS level appears on the display.
KARAOKE PON/MPX buttons simultaneously.
VACS level appears on the display.
CD SHIP MODE
Turn on the main power. Press the PLAY MODE and POWER
buttons simultaneously.
The main power is turned off and LOCK appears on the display.
buttons simultaneously.
The main power is turned off and LOCK appears on the display.
TUNER STEP CHANGE
Turn on the main power. Set the function to TUNER. Select MW
band from the present tuning.
Turn off the main power. Press the ENTER/NEXT and POWER
buttons simultaneously. The main power is turned on and the
changed step appears on the display.
band from the present tuning.
Turn off the main power. Press the ENTER/NEXT and POWER
buttons simultaneously. The main power is turned on and the
changed step appears on the display.
MD/VIDEO 1 FUNCTION CHANGE
Press the FUNCTION and POWER buttons simultaneously while
the main power is off. When the function is set to VIDEO 1, the
function is changed to MD and MD appears on the display.
When the function is set to MD, the function is changed to VIDEO
1 and VIDEO 1 appears on the display.
the main power is off. When the function is set to VIDEO 1, the
function is changed to MD and MD appears on the display.
When the function is set to MD, the function is changed to VIDEO
1 and VIDEO 1 appears on the display.
COLD RESET (Reset which clears memory.)
Press the REPEAT, ENTER/NEXT and DISPLAY buttons
simultaneously at any time. The system is reset while clearing
memory.
simultaneously at any time. The system is reset while clearing
memory.
HOT RESET
(Reset which does not clear memory.)
(Reset which does not clear memory.)
Press the REPEAT, ENTER/NEXT and TIMER SELECT buttons
simultaneously at any time. The system is reset without clearing
memory.
simultaneously at any time. The system is reset without clearing
memory.
STR microprocessor version number
HCD microprocessor version number
VCD microprocessor version number (VCD model only)
Model name
Destination
3-1. CIRCUIT BOARDS LOCATION
SECTION 3
DIAGRAMS
DIAGRAMS
— 6 —
SEC BOARD
PANEL BOARD
AVIN BOARD
JOG BOARD
VOLUME BOARD
MIC ECHO BOARD
AMP BOARD
MAIN BOARD
ENCAPSULATED COMPONENT
DUMMY BOARD
PRI BOARD
— 23 —
3-7.
IC PIN FUNCTION
• IC501 TMP87CM75F-6608 (DISPLAY CONTROL)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40 to 42
43 to 46
47
48
49
50
51 to 64
65 to 98
99
100
I/O
—
—
O
I
O
O
O
O
I
I
—
O
I
I
O
I
—
I
I
I
I
I
I
I
I
—
I/O
I/O
—
—
—
O
O
O
O
O
O
O
—
I
I
I
—
—
—
O
O
O
—
Description
Not used
POWER SUPPLY FOR VFT DRIVER
Transfer clock output serial data
Serial data input
Serial data output
Chip enable output
Latch output to IC504
H : D542, D543 ON
Stereo signal input
Tuned signal input
Power supply (Ground)
Oscillator connection terminal (8MHz)
Oscillator connection terminal (8MHz)
Reset signal input terminal
Oscillator connection terminal (32.768kHz)
Oscillator connection terminal (32.768kHz)
Not used (Ground)
AC Power supply off
RDS DATA input (European model only)
RDS clock input (European model only)
SIRCS signal input
JOG dial encoder input
Volum encoder input
Volum encoder input
JOG dial encoder input
Not used
12C clock I/O
12C data I/O
Not used
Power supply (5V)
Power supply (Ground)
Latch output to IC105
Latch output to IC2002
Mute output to transistor
L : Mute ON
DBFB level control output
L : DBFB HIGH
Latch output to IC6003
H : Key con ON
L : SP relay ON
Not used
Key data input (A/D converter)
Spectrum analyzer signal input
Input for model select
Power supply for analog (Ground)
Power supply (+5V)
Power supply (Ground)
Grid output to FL501
Segment output to FL501
H : MUTE
L : Signal Receiving
Not used
Pin Name
NC
VG
COM CLK
ST DATA IN
COM DATA
ST CE
LED LAT
POWER ON/OFF
STEREO
TUNED
Vss
X OUT
X IN
RESET
XT OUT
XT IN
GND
BACK UP
RDS DATA
RDS CLK
SIRCS IN
JOG IN B
VOL IN B
VOL IN A
JOG IN A
AUB IN
12C CLK
12C DATA
AUB OUT
V
DD
Vss
EQ LAT
VR LAT
TA MUTE
VIDEO MD
KEY CON LAT
KEY CON ON/OFF
POWER ON/OFF
P LOG RELAY
KEY IN 0 to 2
SPEANA 0 to 3
SUFFIX
VASS
VAREF
V
DD
FL–1G to 14G
FL–P1 to P34
ST MUTE
NC
— 24 —
3-8.
IC BLOCK DIAGRAMS
1
2
3
4
5
6
7
8
OVER LOAD DET
F/F
OFFSET DET
LATCH/
AUTORESET
V
CC
ON
MUTE
AC OFF
DET
V
CC
IC850
µPC1237HA
IC105
M62427FP-A
IC6003 M65847FP
IC6002 M65850P
1
2
3
4
5
6
7
8
ADCONT
DA1CONT
KEY DOWN
KEY UP
DAIINTIN
ADINTOUT
ADINTIN
LPF1
REF
REF
REF
REF
HPF
LPF2
MIX
CLKO/KEY0
SDATA/KEY1
SCK/KEY2
STROBE/KEY3
KEY4
KEY5
REF
GND
VCC
MODE2
MODE1
DAIINTOUT
LPF1IN
LPF1OUT
HPFIN
HPFOUT
LPF2IN
LPF2OUT
MIXIN
MIXOUT
DA2CONT
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
+
–
LOGIC
D/A
RESET
RAM
A/D
CLOCK
GENERATOR
REF
+
–
+
–
+
–
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
1
2
3
4
5
6
7
8
9
10
14
13
12
11
CLOCK
RESET
MO
MI
D1
DO0
DO1
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
+
–
+
–
–
+
–
+
–
+
–
–
+
–
+
–
–
SBAND GRAPHIC EQUALIZER
SBAND GRAPHIC EQUALIZER
U-CON
INTER
FACE
INTER
FACE
+
–
+
–
–
+
–
–
+
–
–
+
–
+
–
+
–
+
–
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
21
22
23
24
64
63
62
61
60
59
58
57
56
55
45
46
47
48
49
50
51
52
53
54
44
43
42
41
25
26
27
28
29
30
31
32
33
34
40
39
38
37
36
35
80
79
78
77
76
75
74
73
72
71
65
66
67
68
69
70
KEY OUT1
NC3
REC 1A
REC 1B
REC 1C
NC4
F1 F1
F1 O1
F1 IN1
F2 F1
F2 O1
F2 IN1
F3 F1
F3 O1
F3 IN1
F4 F1
F4 O1
F4 IN1
F5 F1
F OUT1
VOL OUT1
VOL IN1
BBIN1
BB11
BB12
BBIN2
VOL OUT2
VOL IN2
F OUT2
F5 F2
F4 IN2
F4 O2
F4 F2
F3 IN2
F3 O2
F3 F2
F2 IN2
F2 O2
F2 F2
F1 IN2
F1 O2
F1 F2
NC6
REC 2C
REC 2B
REC 2A
NC7
KEY OUT2
BB22
BUF IN1
BUF OUT1
NC5
AVDD
DGND
LATCH
DATA
CLOCK
DVDD
PORT C
PORT B
PORT A
BUFOUT1
BUFIN1
BB21
KEY IN1
DELAY OUT
DELAY IN
NC2
IN 1B
NC1
IN 1A
AGND
AVSS
IN 2A
NC9
IN 2B
NC8
BPF IN
BPF OUT
KEY IN2
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