Sony TRINITRON KV-ES34M31 Service Manual page 74

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 MARK LIST
KV-ES34M31 KV-ES34M61 KV-ES34M80 KV-ES34M90
CN1118 20P 20P # #
JR109 # # 0 : CHIP #
LP002 # # PIN, COATING, LEAD #
TU101 BTF-WG442 BTF-WG442 BTF-WG434 BTF-WG442
A BOARD IC001 CXP750096-012Q
SPC700α11 CLOCK GENERATOR
A/D CONVERTER
AN0 ~ AN5 6
CPU CORE /SYSTEM CONTROL
6CH
RMC
REMOCON FIFO
RAM
96K/120K BYTES
SI
SERIAL INTERFACE
SO
UNIT
SCK
8-BIT TIMER/
EC 2
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 INTERFACE UNIT (6CH)
HSYNC COUNTER 1
8 (6)
– 89 –
A BOARD IC2603 PQICG2032FZ
V IN 1
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
RAM
8 PB0 ~ PB7
2496 BYTES
6 PC0 ~ PC5*
2 PC6 ~ PC7*
A BOARD (Component Side) A BOARD (Conductor Side)
8 PD0 ~ PD7
IC TRANSISTOR IC
IC001 B-9 Q1201 D-12 IC100 G-10
2 PE0 ~ PE1
IC002 C-8 Q1206 D-13 IC901 I-13
IC003 A-8 Q1209 D-13 IC1203 G-1
2 PE2 ~ PE3
IC1201 E-13 Q1210 D-13 IC1204 B-1
PE4 ~ PE6 IC1203 F-13 Q1205 E-13 IC2600 E-7
3
IC1204 B-13
IC2601 F-4
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
– –
90
PRINTED WIRING BOARDS
A
[MAIN-MICON, TUVIF, AUDIO AMP]
– A Board (Component Side) –
1
2 V out
A
5 ON/OFF
B
C
– 4 O ADJ
+
D
VREF
E
F
G
• :Pattern from the side which enables seeing.
• :Pattern from the rear side.
– A Board (Conductor Side) –
1
2 DC OUT (Vo)
A
4 V OUT ADJUSTMENT PIN
3
B
C
DIODE
D300 A-9
D301 B-9
D
D302 B-6
D1205 F-1
D2200 E-3
D2201 D-3
E
F
G
2 3 4 5 6 7 8
2 3 4 5 6 7 8
– –
91
9 10 11 12 13
9 10 11 12 13
– –
92