Sony RM-916, Руководство по обслуживанию

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1
5.0Vp-p (V)
6
5.0Vp-p (V)
11
4.8Vp-p (H)
2
4.0Vp-p (V)
7
5.1Vp-p (H)
12
4.9Vp-p (V)
3
0.2Vp-p (V)
8
2.6Vp-p (H)
4
0.2Vp-p (V)
9
2.9Vp-p (H)
5
0.2Vp-p (V)
10
2.3Vp-p (H)
A BOARD WAVEFORMS
OVER CURRENT
DETECT CIRCUIT
Vo CONTROL
CIRCUIT
+
–
Q
R
S
F/F
OSSCILA
T
O
R
SOFT ST
AR
T
CIRCUIT
ON/OFF
CIRCUIT
ERROR AMP.
PWM COMP.
THERMAL
PROTECTION
CIRCUIT
1 V IN V out
ON/OFF
O ADJ
COM
VREF
–
+
4
5
3
2
A BOARD IC2603 PQICG2032FZ
AN0 ~ AN5
RMC
6
PA0 ~ PA7 8
PB0 ~ PB7 8
PC0 ~ PC5*
PC6 ~ PC7*
6
2
2
3
PD0 ~ PD7 8
PE0 ~ PE1
PE2 ~ PE3
PE4 ~ PE6
2
PF0 ~ PF7 8
PG3 ~ PG6*, PG7 5
A/D CONVERTER
6CH
SPC700
α
11
CPU CORE
RAM
96K/120K BYTES
PRESCALER/
TIME-BASE TIMER
I 2 C BUS
INTERFACE UNIT
14-BIT PWM 1CH
8-BIT PWM 8CH
(6CH)
8 (6)
32kHz
TIMER/COUNTER
WATCHDOG TIMER
RAM
2496 BYTES
CLOCK GENERATOR
/SYSTEM CONTROL
INTERR
UPT CONTR
OLLER
POR
T A
POR
T B
POR
T C
POR
T D
POR
T E
POR
T F
POR
T G
SERIAL INTERFACE
UNIT
8-BIT TIMER/
COUNTER 0
ON-SCREEN
DISPLAY
HSYNC COUNTER 0
HSYNC COUNTER 1
8-BIT TIMER 1
REMOCON FIFO
SI
SO
SCK
EC
TO
XLC
EXLC
R
G
B
I
YS
YM
HSYNC
VSYNC
HS0
HS1
SD
A0
SD
A1
SCL0 SCL1 PWM
PWM0 ~ PMW7
(PWM0 ~ PMW5)
ADJ
INT0 INT1 INT2 TEX TX EXT
AL
XT
AL
RST V
DD
V
SS
2
2
2
A BOARD IC001 CXP750096-012Q
CONTROL
CIRCUIT
1 DC IN (V IN) DC OUT (Vo)
V OUT ADJUSTMENT PIN ON/OFF CONTROL (Vc) 5 4
3
2
A BOARD IC2604 PQ5EV3
PRINTED WIRING BOARDS
– A Board (Component Side) –
A
[MAIN-MICON, TUVIF, AUDIO AMP]
– A Board (Conductor Side) –
A BOARD (Component Side) A BOARD (Conductor Side)
IC
IC100 G-10
IC901 I-13
IC1203 G-1
IC1204 B-1
IC2600 E-7
IC2601 F-4
IC2603 F-5
IC2604 F-6
TRANSISTOR
Q101 G-11
Q301 D-4
Q313 D-4
Q902 I-13
Q2200 D-3
Q2201 E-4
Q3300 F-11
IC
IC001 B-9
IC002 C-8
IC003 A-8
IC1201 E-13
IC1203 F-13
IC1204 B-13
IC1205 F-12
IC2200 E-12
IC2600 E-8
IC2601 G-10
IC2603 F-9
IC2604 F-8
TRANSISTOR
Q1201 D-12
Q1206 D-13
Q1209 D-13
Q1210 D-13
Q1205 E-13
DIODE
D1208 E-13
D1209 D-11
DIODE
D300 A-9
D301 B-9
D302 B-6
D1205 F-1
D2200 E-3
D2201 D-3
• :Pattern from the side which enables seeing.
• :Pattern from the rear side.