Sony TRINITRON KV-ES29M90 Service Manual page 70

A BOARD WAVEFORMS
1 2 3 4 5
5.0Vp-p (V) 4.0Vp-p (V) 0.2Vp-p (V) 0.2Vp-p (V) 0.2Vp-p (V)
6 7 8 9 10
5.0Vp-p (V) 5.1Vp-p (H) 2.6Vp-p (H) 2.9Vp-p (H) 2.3Vp-p (H)
11 12
4.8Vp-p (H) 4.9Vp-p (V)
A BOARD IC001 CXP750096-012Q
SPC700 11 CLOCK GENERATOR
A/D CONVERTER
AN0 ~ AN5 6 CPU CORE /SYSTEM CONTROL
6CH
RMC
REMOCON FIFO
RAM RAM
96K/120K BYTES 2496 BYTES
SI
SERIAL INTERFACE
SO
UNIT
SCK
8-BIT TIMER/
2
EC
COUNTER 0
TO 8-BIT TIMER 1
XLC
EXLC 2
PRESCALER/
R
TIME-BASE TIMER
G
ON-SCREEN
B
DISPLAY
I
WATCHDOG TIMER
YS
YM
HSYNC
32kHz
VSYNC
TIMER/COUNTER
HS0 HSYNC COUNTER 0
2
2
I C BUS 8-BIT PWM 8CH
HS1 HSYNC COUNTER 1 INTERFACE UNIT (6CH)
8 (6)
– 85 –
A BOARD IC2603 PQICG2032FZ
V 1
IN
Vo CONTROL ON/OFF
CIRCUIT CIRCUIT
PWM COMP.
+
–
Q
F/F R
S
ERROR AMP.
OVER CURRENT
DETECT CIRCUIT –
+
THERMAL
PROTECTION
CIRCUIT
3
COM
A BOARD IC2604 PQ5EV3
DC IN (V IN) 1
CONTROL
8 PA0 ~ PA7
CIRCUIT
ON/OFF CONTROL (Vc) 5
3
8 PB0 ~ PB7
6 PC0 ~ PC5*
2 PC6 ~ PC7*
A BOARD (Component Side) A BOARD (Conductor Side)
8 PD0 ~ PD7
IC TRANSISTOR IC DIODE
IC001 B-9 Q1201 D-12 IC100 G-10 D300
2 PE0 ~ PE1
IC002 C-8 Q1206 D-13
IC901 I-13 D301
IC003 A-8 Q1209 D-13 IC1203 G-1 D302
PE2 ~ PE3
2
IC1201 E-13 Q1210 D-13 IC1204 B-1 D1205
IC1203 F-13 Q1205 E-13
3 PE4 ~ PE6 IC2600 E-7 D2200
IC1204 B-13 IC2601 F-4 D2201
DIODE
IC1205 F-12 IC2603 F-5
IC2200 E-12 IC2604 F-6
8 PF0 ~ PF7 D1208 E-13
IC2600 E-8
D1209 D-11 TRANSISTOR
IC2601 G-10
IC2603 F-9
Q101 G-11
IC2604 F-8
Q301 D-4
5 PG3 ~ PG6*, PG7
Q313 D-4
Q902 I-13
Q2200 D-3
Q2201 E-4
14-BIT PWM 1CH
Q3300 F-11
– 86 –
PRINTED WIRING BOARDS
A
[MAIN-MICON, TUVIF, AUDIO AMP]
– A Board (Component Side) –
2 V
out
5 ON/OFF
4 O ADJ
VREF
• :Pattern from the side which enables seeing.
• :Pattern from the rear side.
– A Board (Conductor Side) –
2 DC OUT (Vo)
4 V OUT ADJUSTMENT PIN
A-9
B-9
B-6
F-1
E-3
D-3
– 87 – – 88 –